[INFO] cloning repository https://github.com/sigpher/rust_book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sigpher/rust_book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigpher%2Frust_book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigpher%2Frust_book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cff653aa41d400fc7d1ec9d976c71a0de290474
[INFO] testing sigpher/rust_book against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigpher%2Frust_book" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sigpher/rust_book on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sigpher/rust_book
[INFO] finished tweaking git repo https://github.com/sigpher/rust_book
[INFO] tweaked toml for git repo https://github.com/sigpher/rust_book written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sigpher/rust_book already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fd1afad02d9cd5d60ccdbf0f0c0941ebf9974b7914f96cb4b8aa6d23c2c6bd1
[INFO] running `Command { std: "docker" "start" "-a" "5fd1afad02d9cd5d60ccdbf0f0c0941ebf9974b7914f96cb4b8aa6d23c2c6bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fd1afad02d9cd5d60ccdbf0f0c0941ebf9974b7914f96cb4b8aa6d23c2c6bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd1afad02d9cd5d60ccdbf0f0c0941ebf9974b7914f96cb4b8aa6d23c2c6bd1", kill_on_drop: false }`
[INFO] [stdout] 5fd1afad02d9cd5d60ccdbf0f0c0941ebf9974b7914f96cb4b8aa6d23c2c6bd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5895638120aa45433851e81e9b524e7adadb372b68e557a069251b8fc853ad4
[INFO] running `Command { std: "docker" "start" "-a" "a5895638120aa45433851e81e9b524e7adadb372b68e557a069251b8fc853ad4", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling ch06 v0.1.0 (/opt/rustwide/workdir/ch06)
[INFO] [stderr]    Compiling ch15 v0.1.0 (/opt/rustwide/workdir/ch15)
[INFO] [stderr]    Compiling ch16 v0.1.0 (/opt/rustwide/workdir/ch16)
[INFO] [stderr]    Compiling ch12 v0.1.0 (/opt/rustwide/workdir/ch12)
[INFO] [stderr]    Compiling ch05 v0.1.0 (/opt/rustwide/workdir/ch05)
[INFO] [stderr]    Compiling ch10 v0.1.0 (/opt/rustwide/workdir/ch10)
[INFO] [stderr]    Compiling demo v0.1.0 (/opt/rustwide/workdir/demo)
[INFO] [stderr]    Compiling ch07 v0.1.0 (/opt/rustwide/workdir/ch07)
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]   --> ch07/src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn deliver_order() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_incorrect_order` is never used
[INFO] [stdout]   --> ch07/src/lib.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn fix_incorrect_order() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]   --> ch07/src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn cook_order() {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color`, `Point`
[INFO] [stdout]  --> ch05/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ch05::{Color, Point, Rectangle, User};
[INFO] [stdout]   |            ^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_spaces`
[INFO] [stdout]   --> ch06/src/main.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn move_player(num_spaces: u8) {}
[INFO] [stdout]    |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_spaces`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch04 v0.1.0 (/opt/rustwide/workdir/ch04)
[INFO] [stderr]    Compiling ch03 v0.1.0 (/opt/rustwide/workdir/ch03)
[INFO] [stdout] warning: unused imports: `reference_cycles::list`, `tracker`
[INFO] [stdout]   --> ch15/src/main.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ch15::{reference_cycles::list, tracker};
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_number` is never used
[INFO] [stdout]   --> ch04/src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn find_number(numbers:&[u8],num:u8)->usize{
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f1`
[INFO] [stdout]   --> ch03/src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let f1 = 2f64;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_f1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch14 v0.1.0 (/opt/rustwide/workdir/ch14)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f2`
[INFO] [stdout]   --> ch03/src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let f2 = 3f32;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_f2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tup`
[INFO] [stdout]   --> ch03/src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let tup = (500, 6.4, true);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_tup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arr`
[INFO] [stdout]   --> ch03/src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let arr = [1, 2, 3, 4, 5, 6];
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_arr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch11 v0.1.0 (/opt/rustwide/workdir/ch11)
[INFO] [stderr]    Compiling ch08 v0.1.0 (/opt/rustwide/workdir/ch08)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> ch11/src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> ch11/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | mod tests {
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch01 v0.1.0 (/opt/rustwide/workdir/ch01)
[INFO] [stderr]    Compiling ch09 v0.1.0 (/opt/rustwide/workdir/ch09)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ch02 v0.1.0 (/opt/rustwide/workdir/ch02)
[INFO] [stderr]    Compiling ch13 v0.1.0 (/opt/rustwide/workdir/ch13)
[INFO] [stdout] warning: unused variable: `unwrap_number`
[INFO] [stdout]   --> ch13/src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let unwrap_number = number.yes_or_else(|| list[random_number]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unwrap_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `width` is never read
[INFO] [stdout]   --> ch13/src/main.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct Rectangle<T> {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 98 |     width: T,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rectangle` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "a5895638120aa45433851e81e9b524e7adadb372b68e557a069251b8fc853ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5895638120aa45433851e81e9b524e7adadb372b68e557a069251b8fc853ad4", kill_on_drop: false }`
[INFO] [stdout] a5895638120aa45433851e81e9b524e7adadb372b68e557a069251b8fc853ad4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d94e00a0a23d06b7a062e70cebc195ce5d81d062010ae8eebd019430f9f5f87
[INFO] running `Command { std: "docker" "start" "-a" "5d94e00a0a23d06b7a062e70cebc195ce5d81d062010ae8eebd019430f9f5f87", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]   --> ch07/src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn deliver_order() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_incorrect_order` is never used
[INFO] [stdout]   --> ch07/src/lib.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn fix_incorrect_order() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]   --> ch07/src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn cook_order() {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch07 v0.1.0 (/opt/rustwide/workdir/ch07)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> ch11/src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> ch11/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | mod tests {
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch05 v0.1.0 (/opt/rustwide/workdir/ch05)
[INFO] [stderr]    Compiling ch10 v0.1.0 (/opt/rustwide/workdir/ch10)
[INFO] [stderr]    Compiling ch12 v0.1.0 (/opt/rustwide/workdir/ch12)
[INFO] [stderr]    Compiling ch15 v0.1.0 (/opt/rustwide/workdir/ch15)
[INFO] [stderr]    Compiling demo v0.1.0 (/opt/rustwide/workdir/demo)
[INFO] [stderr]    Compiling ch06 v0.1.0 (/opt/rustwide/workdir/ch06)
[INFO] [stderr]    Compiling ch16 v0.1.0 (/opt/rustwide/workdir/ch16)
[INFO] [stdout] warning: unused imports: `reference_cycles::list`, `tracker`
[INFO] [stdout]   --> ch15/src/main.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ch15::{reference_cycles::list, tracker};
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color`, `Point`
[INFO] [stdout]  --> ch05/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ch05::{Color, Point, Rectangle, User};
[INFO] [stdout]   |            ^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_spaces`
[INFO] [stdout]   --> ch06/src/main.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn move_player(num_spaces: u8) {}
[INFO] [stdout]    |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_spaces`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch13 v0.1.0 (/opt/rustwide/workdir/ch13)
[INFO] [stderr]    Compiling ch02 v0.1.0 (/opt/rustwide/workdir/ch02)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch03 v0.1.0 (/opt/rustwide/workdir/ch03)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unwrap_number`
[INFO] [stdout]   --> ch13/src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let unwrap_number = number.yes_or_else(|| list[random_number]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unwrap_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f1`
[INFO] [stdout]   --> ch03/src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let f1 = 2f64;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_f1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `width` is never read
[INFO] [stdout]   --> ch13/src/main.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct Rectangle<T> {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 98 |     width: T,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rectangle` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f2`
[INFO] [stdout]   --> ch03/src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let f2 = 3f32;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_f2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tup`
[INFO] [stdout]   --> ch03/src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let tup = (500, 6.4, true);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_tup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arr`
[INFO] [stdout]   --> ch03/src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let arr = [1, 2, 3, 4, 5, 6];
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_arr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch01 v0.1.0 (/opt/rustwide/workdir/ch01)
[INFO] [stderr]    Compiling ch08 v0.1.0 (/opt/rustwide/workdir/ch08)
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch09 v0.1.0 (/opt/rustwide/workdir/ch09)
[INFO] [stderr]    Compiling ch04 v0.1.0 (/opt/rustwide/workdir/ch04)
[INFO] [stderr]    Compiling ch14 v0.1.0 (/opt/rustwide/workdir/ch14)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch11 v0.1.0 (/opt/rustwide/workdir/ch11)
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]   --> ch07/src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn deliver_order() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_incorrect_order` is never used
[INFO] [stdout]   --> ch07/src/lib.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn fix_incorrect_order() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]   --> ch07/src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn cook_order() {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_number` is never used
[INFO] [stdout]   --> ch04/src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn find_number(numbers:&[u8],num:u8)->usize{
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "5d94e00a0a23d06b7a062e70cebc195ce5d81d062010ae8eebd019430f9f5f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d94e00a0a23d06b7a062e70cebc195ce5d81d062010ae8eebd019430f9f5f87", kill_on_drop: false }`
[INFO] [stdout] 5d94e00a0a23d06b7a062e70cebc195ce5d81d062010ae8eebd019430f9f5f87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8dc2d62e313277943f47843a4b9b3f50f917236faabdb875f459fa1cc443c34a
[INFO] running `Command { std: "docker" "start" "-a" "8dc2d62e313277943f47843a4b9b3f50f917236faabdb875f459fa1cc443c34a", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: function `deliver_order` is never used
[INFO] [stderr]   --> ch07/src/lib.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn deliver_order() {}
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `fix_incorrect_order` is never used
[INFO] [stderr]   --> ch07/src/lib.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn fix_incorrect_order() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `cook_order` is never used
[INFO] [stderr]   --> ch07/src/lib.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn cook_order() {}
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ch07` (lib) generated 3 warnings
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> ch11/src/lib.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> ch11/src/lib.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | mod tests {
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ch11` (lib) generated 1 warning (run `cargo fix --lib -p ch11` to apply 1 suggestion)
[INFO] [stderr] warning: unused variable: `num_spaces`
[INFO] [stderr]   --> ch06/src/main.rs:33:20
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn move_player(num_spaces: u8) {}
[INFO] [stderr]    |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_spaces`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ch06` (bin "ch06" test) generated 1 warning (run `cargo fix --bin "ch06" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused imports: `Color`, `Point`
[INFO] [stderr]  --> ch05/src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ch05::{Color, Point, Rectangle, User};
[INFO] [stderr]   |            ^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ch05` (bin "ch05" test) generated 1 warning (run `cargo fix --bin "ch05" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused imports: `reference_cycles::list`, `tracker`
[INFO] [stderr]   --> ch15/src/main.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | use ch15::{reference_cycles::list, tracker};
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ch15` (bin "ch15" test) generated 1 warning (run `cargo fix --bin "ch15" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused variable: `unwrap_number`
[INFO] [stderr]   --> ch13/src/main.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let unwrap_number = number.yes_or_else(|| list[random_number]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unwrap_number`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `width` is never read
[INFO] [stderr]   --> ch13/src/main.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 97 | struct Rectangle<T> {
[INFO] [stderr]    |        --------- field in this struct
[INFO] [stderr] 98 |     width: T,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Rectangle` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ch13` (bin "ch13" test) generated 2 warnings (run `cargo fix --bin "ch13" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `ch07` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: function `find_number` is never used
[INFO] [stderr]   --> ch04/src/main.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn find_number(numbers:&[u8],num:u8)->usize{
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ch04` (bin "ch04" test) generated 1 warning
[INFO] [stderr] warning: unused variable: `f1`
[INFO] [stderr]   --> ch03/src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let f1 = 2f64;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_f1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f2`
[INFO] [stderr]   --> ch03/src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let f2 = 3f32;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_f2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tup`
[INFO] [stderr]   --> ch03/src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let tup = (500, 6.4, true);
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_tup`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arr`
[INFO] [stderr]   --> ch03/src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let arr = [1, 2, 3, 4, 5, 6];
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_arr`
[INFO] [stderr] 
[INFO] [stderr] warning: `ch03` (bin "ch03" test) generated 4 warnings (run `cargo fix --bin "ch03" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch01-968dbe9e7f1e286d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ch02-058e289cae38c6bb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch02-6c6b2fa24e13baad)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch03-82a1bcbfac6a43dd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch04-09f47ab0cde7c8da)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ch05-497995a6ae8a814e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch05-fb0bab820445c93b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ch06-92c885597a13140b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch06-279f67c40d716a2e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ch07-d7de085b7ec6c886)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch07-7dba5583fecdda10)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch08-beb1c881184d070a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch09-f55cf8d5864884da)
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ch10-5548a1db5eb72d51)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch10-fd2d77fda4c4b901)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ch11-e83d31cbf8fc40f6)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::exploration ... ok
[INFO] [stdout] test tests::another ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::another stdout ----
[INFO] [stdout] thread 'tests::another' panicked at ch11/src/lib.rs:23:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 4
[INFO] [stdout]  right: 5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55fcc72196c6 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55fcc72196c6 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55fcc72196c6 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55fcc72196c6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55fcc7242510 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55fcc7242510 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55fcc721712f - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55fcc72194a4 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55fcc72194a4 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55fcc721b217 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55fcc721aefd - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55fcc71eb0f7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55fcc71eb0f7 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55fcc721b836 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55fcc721b836 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55fcc721b582 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55fcc7219bc6 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55fcc721b2e0 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55fcc71b4cc5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55fcc71b500b - core::panicking::assert_failed_inner::hbf94b40c37b92af0
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x55fcc71b5aee - core::panicking::assert_failed::heacdfff90ec7111a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x55fcc71b6780 - ch11::tests::another::h53584b0f1ab4361f
[INFO] [stdout]                                at /opt/rustwide/workdir/ch11/src/lib.rs:23:9
[INFO] [stdout]   22:     0x55fcc71b66e7 - ch11::tests::another::{{closure}}::h4f4999a08698ef9a
[INFO] [stdout]                                at /opt/rustwide/workdir/ch11/src/lib.rs:21:17
[INFO] [stdout]   23:     0x55fcc71b57f6 - core::ops::function::FnOnce::call_once::h61bd769d4ed87885
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55fcc71f09cf - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55fcc71f09cf - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x55fcc71ef751 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x55fcc71ef751 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55fcc71ef751 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55fcc71ef751 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55fcc71ef751 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55fcc71ef751 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x55fcc71ef751 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x55fcc71b6a86 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x55fcc71b6a86 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55fcc71bbae7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55fcc71bbae7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55fcc71bbae7 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55fcc71bbae7 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55fcc71bbae7 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55fcc71bbae7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55fcc71bbae7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55fcc72202e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55fcc72202e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55fcc72202e5 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fdf70786ac3 - <unknown>
[INFO] [stdout]   46:     0x7fdf70817bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::another
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p ch11 --lib`
[INFO] running `Command { std: "docker" "inspect" "8dc2d62e313277943f47843a4b9b3f50f917236faabdb875f459fa1cc443c34a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dc2d62e313277943f47843a4b9b3f50f917236faabdb875f459fa1cc443c34a", kill_on_drop: false }`
[INFO] [stdout] 8dc2d62e313277943f47843a4b9b3f50f917236faabdb875f459fa1cc443c34a
[INFO] testing sigpher/rust_book against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigpher%2Frust_book" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sigpher/rust_book on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sigpher/rust_book
[INFO] finished tweaking git repo https://github.com/sigpher/rust_book
[INFO] tweaked toml for git repo https://github.com/sigpher/rust_book written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sigpher/rust_book already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4183abb0a78f0a56368ec7126c86ea4f4bb643a146aeae06fe7eae7ce04015c1
[INFO] running `Command { std: "docker" "start" "-a" "4183abb0a78f0a56368ec7126c86ea4f4bb643a146aeae06fe7eae7ce04015c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4183abb0a78f0a56368ec7126c86ea4f4bb643a146aeae06fe7eae7ce04015c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4183abb0a78f0a56368ec7126c86ea4f4bb643a146aeae06fe7eae7ce04015c1", kill_on_drop: false }`
[INFO] [stdout] 4183abb0a78f0a56368ec7126c86ea4f4bb643a146aeae06fe7eae7ce04015c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adb7c0a809de34225bb1b0489503f436ea3f702a3a8cf034f35f82ed63e8bf17
[INFO] running `Command { std: "docker" "start" "-a" "adb7c0a809de34225bb1b0489503f436ea3f702a3a8cf034f35f82ed63e8bf17", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling ch07 v0.1.0 (/opt/rustwide/workdir/ch07)
[INFO] [stderr]    Compiling demo v0.1.0 (/opt/rustwide/workdir/demo)
[INFO] [stderr]    Compiling ch12 v0.1.0 (/opt/rustwide/workdir/ch12)
[INFO] [stderr]    Compiling ch16 v0.1.0 (/opt/rustwide/workdir/ch16)
[INFO] [stderr]    Compiling ch15 v0.1.0 (/opt/rustwide/workdir/ch15)
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]   --> ch07/src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn deliver_order() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_incorrect_order` is never used
[INFO] [stdout]   --> ch07/src/lib.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn fix_incorrect_order() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]   --> ch07/src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn cook_order() {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch06 v0.1.0 (/opt/rustwide/workdir/ch06)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch10 v0.1.0 (/opt/rustwide/workdir/ch10)
[INFO] [stderr]    Compiling ch05 v0.1.0 (/opt/rustwide/workdir/ch05)
[INFO] [stdout] warning: unused variable: `num_spaces`
[INFO] [stdout]   --> ch06/src/main.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn move_player(num_spaces: u8) {}
[INFO] [stdout]    |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_spaces`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color`, `Point`
[INFO] [stdout]  --> ch05/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ch05::{Color, Point, Rectangle, User};
[INFO] [stdout]   |            ^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `reference_cycles::list`, `tracker`
[INFO] [stdout]   --> ch15/src/main.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ch15::{reference_cycles::list, tracker};
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch04 v0.1.0 (/opt/rustwide/workdir/ch04)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch14 v0.1.0 (/opt/rustwide/workdir/ch14)
[INFO] [stdout] warning: function `find_number` is never used
[INFO] [stdout]   --> ch04/src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn find_number(numbers:&[u8],num:u8)->usize{
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch01 v0.1.0 (/opt/rustwide/workdir/ch01)
[INFO] [stderr]    Compiling ch03 v0.1.0 (/opt/rustwide/workdir/ch03)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch11 v0.1.0 (/opt/rustwide/workdir/ch11)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> ch11/src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> ch11/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | mod tests {
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch09 v0.1.0 (/opt/rustwide/workdir/ch09)
[INFO] [stderr]    Compiling ch08 v0.1.0 (/opt/rustwide/workdir/ch08)
[INFO] [stdout] warning: unused variable: `f1`
[INFO] [stdout]   --> ch03/src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let f1 = 2f64;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_f1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f2`
[INFO] [stdout]   --> ch03/src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let f2 = 3f32;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_f2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tup`
[INFO] [stdout]   --> ch03/src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let tup = (500, 6.4, true);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_tup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arr`
[INFO] [stdout]   --> ch03/src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let arr = [1, 2, 3, 4, 5, 6];
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_arr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ch13 v0.1.0 (/opt/rustwide/workdir/ch13)
[INFO] [stderr]    Compiling ch02 v0.1.0 (/opt/rustwide/workdir/ch02)
[INFO] [stdout] warning: unused variable: `unwrap_number`
[INFO] [stdout]   --> ch13/src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let unwrap_number = number.yes_or_else(|| list[random_number]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unwrap_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `width` is never read
[INFO] [stdout]   --> ch13/src/main.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct Rectangle<T> {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 98 |     width: T,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rectangle` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "adb7c0a809de34225bb1b0489503f436ea3f702a3a8cf034f35f82ed63e8bf17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adb7c0a809de34225bb1b0489503f436ea3f702a3a8cf034f35f82ed63e8bf17", kill_on_drop: false }`
[INFO] [stdout] adb7c0a809de34225bb1b0489503f436ea3f702a3a8cf034f35f82ed63e8bf17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd42b5a222171d3b77606bc223948d5ff393b15f96e126999d1798ac8ed2c286
[INFO] running `Command { std: "docker" "start" "-a" "bd42b5a222171d3b77606bc223948d5ff393b15f96e126999d1798ac8ed2c286", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]   --> ch07/src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn deliver_order() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_incorrect_order` is never used
[INFO] [stdout]   --> ch07/src/lib.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn fix_incorrect_order() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]   --> ch07/src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn cook_order() {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> ch11/src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> ch11/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | mod tests {
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch10 v0.1.0 (/opt/rustwide/workdir/ch10)
[INFO] [stderr]    Compiling ch06 v0.1.0 (/opt/rustwide/workdir/ch06)
[INFO] [stderr]    Compiling ch15 v0.1.0 (/opt/rustwide/workdir/ch15)
[INFO] [stderr]    Compiling ch12 v0.1.0 (/opt/rustwide/workdir/ch12)
[INFO] [stderr]    Compiling demo v0.1.0 (/opt/rustwide/workdir/demo)
[INFO] [stderr]    Compiling ch05 v0.1.0 (/opt/rustwide/workdir/ch05)
[INFO] [stderr]    Compiling ch16 v0.1.0 (/opt/rustwide/workdir/ch16)
[INFO] [stderr]    Compiling ch07 v0.1.0 (/opt/rustwide/workdir/ch07)
[INFO] [stdout] warning: unused imports: `reference_cycles::list`, `tracker`
[INFO] [stdout]   --> ch15/src/main.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ch15::{reference_cycles::list, tracker};
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_spaces`
[INFO] [stdout]   --> ch06/src/main.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn move_player(num_spaces: u8) {}
[INFO] [stdout]    |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_spaces`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color`, `Point`
[INFO] [stdout]  --> ch05/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ch05::{Color, Point, Rectangle, User};
[INFO] [stdout]   |            ^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch13 v0.1.0 (/opt/rustwide/workdir/ch13)
[INFO] [stderr]    Compiling ch02 v0.1.0 (/opt/rustwide/workdir/ch02)
[INFO] [stdout] warning: unused variable: `unwrap_number`
[INFO] [stdout]   --> ch13/src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let unwrap_number = number.yes_or_else(|| list[random_number]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unwrap_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `width` is never read
[INFO] [stdout]   --> ch13/src/main.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct Rectangle<T> {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 98 |     width: T,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rectangle` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch09 v0.1.0 (/opt/rustwide/workdir/ch09)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch11 v0.1.0 (/opt/rustwide/workdir/ch11)
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]   --> ch07/src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn deliver_order() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_incorrect_order` is never used
[INFO] [stdout]   --> ch07/src/lib.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn fix_incorrect_order() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]   --> ch07/src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn cook_order() {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch14 v0.1.0 (/opt/rustwide/workdir/ch14)
[INFO] [stderr]    Compiling ch01 v0.1.0 (/opt/rustwide/workdir/ch01)
[INFO] [stderr]    Compiling ch03 v0.1.0 (/opt/rustwide/workdir/ch03)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f1`
[INFO] [stdout]   --> ch03/src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let f1 = 2f64;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_f1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch04 v0.1.0 (/opt/rustwide/workdir/ch04)
[INFO] [stdout] warning: unused variable: `f2`
[INFO] [stdout]   --> ch03/src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let f2 = 3f32;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_f2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tup`
[INFO] [stdout]   --> ch03/src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let tup = (500, 6.4, true);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_tup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arr`
[INFO] [stdout]   --> ch03/src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let arr = [1, 2, 3, 4, 5, 6];
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_arr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_number` is never used
[INFO] [stdout]   --> ch04/src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn find_number(numbers:&[u8],num:u8)->usize{
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch08 v0.1.0 (/opt/rustwide/workdir/ch08)
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "bd42b5a222171d3b77606bc223948d5ff393b15f96e126999d1798ac8ed2c286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd42b5a222171d3b77606bc223948d5ff393b15f96e126999d1798ac8ed2c286", kill_on_drop: false }`
[INFO] [stdout] bd42b5a222171d3b77606bc223948d5ff393b15f96e126999d1798ac8ed2c286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a46d6042cbd042b396ef818c45abeb3fad70b0173342eeb8ae34d53afd12e30
[INFO] running `Command { std: "docker" "start" "-a" "4a46d6042cbd042b396ef818c45abeb3fad70b0173342eeb8ae34d53afd12e30", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: function `deliver_order` is never used
[INFO] [stderr]   --> ch07/src/lib.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn deliver_order() {}
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `fix_incorrect_order` is never used
[INFO] [stderr]   --> ch07/src/lib.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn fix_incorrect_order() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `cook_order` is never used
[INFO] [stderr]   --> ch07/src/lib.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn cook_order() {}
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ch07` (lib) generated 3 warnings
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> ch11/src/lib.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> ch11/src/lib.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | mod tests {
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Color`, `Point`
[INFO] [stderr]  --> ch05/src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ch05::{Color, Point, Rectangle, User};
[INFO] [stderr]   |            ^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ch11` (lib) generated 1 warning (run `cargo fix --lib -p ch11` to apply 1 suggestion)
[INFO] [stderr] warning: `ch05` (bin "ch05" test) generated 1 warning (run `cargo fix --bin "ch05" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused imports: `reference_cycles::list`, `tracker`
[INFO] [stderr]   --> ch15/src/main.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | use ch15::{reference_cycles::list, tracker};
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ch15` (bin "ch15" test) generated 1 warning (run `cargo fix --bin "ch15" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused variable: `num_spaces`
[INFO] [stderr]   --> ch06/src/main.rs:33:20
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn move_player(num_spaces: u8) {}
[INFO] [stderr]    |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_spaces`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ch06` (bin "ch06" test) generated 1 warning (run `cargo fix --bin "ch06" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused variable: `unwrap_number`
[INFO] [stderr]   --> ch13/src/main.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let unwrap_number = number.yes_or_else(|| list[random_number]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unwrap_number`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `width` is never read
[INFO] [stderr]   --> ch13/src/main.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 97 | struct Rectangle<T> {
[INFO] [stderr]    |        --------- field in this struct
[INFO] [stderr] 98 |     width: T,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Rectangle` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f1`
[INFO] [stderr]   --> ch03/src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let f1 = 2f64;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_f1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f2`
[INFO] [stderr]   --> ch03/src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let f2 = 3f32;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_f2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tup`
[INFO] [stderr]   --> ch03/src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let tup = (500, 6.4, true);
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_tup`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arr`
[INFO] [stderr]   --> ch03/src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let arr = [1, 2, 3, 4, 5, 6];
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_arr`
[INFO] [stderr] 
[INFO] [stderr] warning: `ch13` (bin "ch13" test) generated 2 warnings (run `cargo fix --bin "ch13" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `ch03` (bin "ch03" test) generated 4 warnings (run `cargo fix --bin "ch03" --tests` to apply 4 suggestions)
[INFO] [stderr] warning: `ch07` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: function `find_number` is never used
[INFO] [stderr]   --> ch04/src/main.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn find_number(numbers:&[u8],num:u8)->usize{
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ch04` (bin "ch04" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch01-46580996fafa355d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ch02-c8d39b3a801daf4b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch02-086e0e6bade73c88)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch03-f93ddeeb81d35922)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch04-b4e1afb01a793305)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ch05-41bb1e4a8802c7d2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch05-3ec27f8190862f32)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ch06-f6d3596868f83c6b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch06-25326d01ad104e81)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ch07-cc220a6b11cb83e3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch07-16d8bef1936f394e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch08-329831b7952ce8af)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch09-b4f2b9c520297700)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ch10-1851222f096bfa64)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch10-2c4b3a3a7a52b6bb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ch11-21ec7d850a389b80)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::exploration ... ok
[INFO] [stdout] test tests::another ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::another stdout ----
[INFO] [stdout] thread 'tests::another' panicked at ch11/src/lib.rs:23:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 4
[INFO] [stdout]  right: 5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55a9e4b25ff6 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55a9e4b25ff6 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55a9e4b25ff6 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55a9e4b25ff6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55a9e4b4ec70 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55a9e4b4ec70 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55a9e4b2384f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x55a9e4b25dd4 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55a9e4b25dd4 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55a9e4b27b47 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x55a9e4b2782d - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55a9e4af7717 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55a9e4af7717 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55a9e4b28166 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55a9e4b28166 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x55a9e4b27eb2 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x55a9e4b264f6 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55a9e4b27c04 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x55a9e4ac1765 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55a9e4ac1aab - core::panicking::assert_failed_inner::h2c4dd574e44796db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x55a9e4ac266e - core::panicking::assert_failed::h5e63bea88bf9bddd
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x55a9e4ac3290 - ch11::tests::another::hc737643d7722d41d
[INFO] [stdout]                                at /opt/rustwide/workdir/ch11/src/lib.rs:23:9
[INFO] [stdout]   22:     0x55a9e4ac31f7 - ch11::tests::another::{{closure}}::h4407713321293978
[INFO] [stdout]                                at /opt/rustwide/workdir/ch11/src/lib.rs:21:17
[INFO] [stdout]   23:     0x55a9e4ac2326 - core::ops::function::FnOnce::call_once::h6bc41d3c0ec093dc
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55a9e4afd30f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55a9e4afd30f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x55a9e4afc131 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x55a9e4afc131 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55a9e4afc131 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x55a9e4afc131 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x55a9e4afc131 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55a9e4afc131 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x55a9e4afc131 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x55a9e4ac3596 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x55a9e4ac3596 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55a9e4ac8557 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55a9e4ac8557 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55a9e4ac8557 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x55a9e4ac8557 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x55a9e4ac8557 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55a9e4ac8557 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55a9e4ac8557 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55a9e4b2c505 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55a9e4b2c505 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55a9e4b2c505 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fd8ddb54ac3 - <unknown>
[INFO] [stdout]   46:     0x7fd8ddbe5bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::another
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p ch11 --lib`
[INFO] running `Command { std: "docker" "inspect" "4a46d6042cbd042b396ef818c45abeb3fad70b0173342eeb8ae34d53afd12e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a46d6042cbd042b396ef818c45abeb3fad70b0173342eeb8ae34d53afd12e30", kill_on_drop: false }`
[INFO] [stdout] 4a46d6042cbd042b396ef818c45abeb3fad70b0173342eeb8ae34d53afd12e30
