[INFO] cloning repository https://github.com/tuanmaianh/rust-exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuanmaianh/rust-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuanmaianh%2Frust-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuanmaianh%2Frust-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a149764b7f4bd193eecd4232c6a2cef9c343abd6
[INFO] testing tuanmaianh/rust-exercises against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuanmaianh%2Frust-exercises" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuanmaianh/rust-exercises on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tuanmaianh/rust-exercises
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/tuanmaianh/rust-exercises
[INFO] tweaked toml for git repo https://github.com/tuanmaianh/rust-exercises written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tuanmaianh/rust-exercises 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" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing tuanmaianh/rust-exercises against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuanmaianh%2Frust-exercises" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuanmaianh/rust-exercises on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tuanmaianh/rust-exercises
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/tuanmaianh/rust-exercises
[INFO] tweaked toml for git repo https://github.com/tuanmaianh/rust-exercises written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tuanmaianh/rust-exercises 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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing tuanmaianh/rust-exercises against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuanmaianh%2Frust-exercises" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuanmaianh/rust-exercises on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tuanmaianh/rust-exercises
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/tuanmaianh/rust-exercises
[INFO] tweaked toml for git repo https://github.com/tuanmaianh/rust-exercises written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tuanmaianh/rust-exercises 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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b35f2ca3ba1c0b4eec7e5765731a74311a385dd7b4569cb86923ca4bd2bacc0b
[INFO] running `Command { std: "docker" "start" "-a" "b35f2ca3ba1c0b4eec7e5765731a74311a385dd7b4569cb86923ca4bd2bacc0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b35f2ca3ba1c0b4eec7e5765731a74311a385dd7b4569cb86923ca4bd2bacc0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b35f2ca3ba1c0b4eec7e5765731a74311a385dd7b4569cb86923ca4bd2bacc0b", kill_on_drop: false }`
[INFO] [stdout] b35f2ca3ba1c0b4eec7e5765731a74311a385dd7b4569cb86923ca4bd2bacc0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57095b885734fd61dc10cf821a138d976976374e45b11d7cd8e270339f1627b5
[INFO] running `Command { std: "docker" "start" "-a" "57095b885734fd61dc10cf821a138d976976374e45b11d7cd8e270339f1627b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling Rust-Bootcamp-2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Rust_Bootcamp_2023` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_bootcamp_2023`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "57095b885734fd61dc10cf821a138d976976374e45b11d7cd8e270339f1627b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57095b885734fd61dc10cf821a138d976976374e45b11d7cd8e270339f1627b5", kill_on_drop: false }`
[INFO] [stdout] 57095b885734fd61dc10cf821a138d976976374e45b11d7cd8e270339f1627b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22f7da070026b86130d70ae47b3bfc94387a51e91da63309e8779b99c0a4c9bd
[INFO] running `Command { std: "docker" "start" "-a" "22f7da070026b86130d70ae47b3bfc94387a51e91da63309e8779b99c0a4c9bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling Rust-Bootcamp-2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Rust_Bootcamp_2023` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_bootcamp_2023`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Rust_Bootcamp_2023` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_bootcamp_2023`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> exercises/basic-of-rust/src/functions.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u2`
[INFO] [stdout]   --> exercises/complex-type/src/structs.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let u2 = User {
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_u2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `moved`
[INFO] [stdout]    --> exercises/complex-type/src/structs.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let moved = &foos[0];
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_moved`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `moved_field`
[INFO] [stdout]    --> exercises/complex-type/src/structs.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let moved_field = &foos[0].str_val;
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_moved_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `integer`
[INFO] [stdout]  --> exercises/generic-type/src/lib.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let integer: Point<i32,i32> = Point { x: 5, y: 10 };
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `float`
[INFO] [stdout]  --> exercises/generic-type/src/lib.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let float: Point<f64,f64> = Point { x: 1.0, y: 4.0 };
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_float`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> exercises/generic-type/src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let p = Point{x: 5, y : "hello".to_string()};
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]   --> exercises/complex-type/src/structs.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | struct User {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exercise4` is never used
[INFO] [stdout]   --> exercises/complex-type/src/structs.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn exercise4() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]    --> exercises/complex-type/src/structs.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct Foo {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exercise5` is never used
[INFO] [stdout]    --> exercises/complex-type/src/structs.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn exercise5() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MessageOne` is never used
[INFO] [stdout]  --> exercises/complex-type/src/enums.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum MessageOne {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `MessageOne` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_message` is never used
[INFO] [stdout]   --> exercises/complex-type/src/enums.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn show_message(msg: MessageOne) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exercise1` is never used
[INFO] [stdout]   --> exercises/complex-type/src/enums.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn exercise1() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exercise1` is never used
[INFO] [stdout]  --> exercises/generic-type/src/lib.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn exercise1() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]   --> exercises/generic-type/src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Point<T,U> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exercise2` is never used
[INFO] [stdout]   --> exercises/generic-type/src/lib.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn exercise2() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Val` is never constructed
[INFO] [stdout]   --> exercises/generic-type/src/lib.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct Val <T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `value` is never used
[INFO] [stdout]   --> exercises/generic-type/src/lib.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Val<f64> {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 36 |     fn value(&self) -> &f64 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `value` is never used
[INFO] [stdout]   --> exercises/generic-type/src/lib.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Val<String> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 42 |     fn value(&self) -> &String {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exercise3` is never used
[INFO] [stdout]   --> exercises/generic-type/src/lib.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn exercise3() {
[INFO] [stdout]    |    ^^^^^^^^^
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "22f7da070026b86130d70ae47b3bfc94387a51e91da63309e8779b99c0a4c9bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f7da070026b86130d70ae47b3bfc94387a51e91da63309e8779b99c0a4c9bd", kill_on_drop: false }`
[INFO] [stdout] 22f7da070026b86130d70ae47b3bfc94387a51e91da63309e8779b99c0a4c9bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6576cd5acf7c451369e89fc88e43ad398cc19289b17aa3d67ae40ce7181d963e
[INFO] running `Command { std: "docker" "start" "-a" "6576cd5acf7c451369e89fc88e43ad398cc19289b17aa3d67ae40ce7181d963e", kill_on_drop: false }`
[INFO] [stderr] warning: crate `Rust_Bootcamp_2023` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_bootcamp_2023`
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `Rust-Bootcamp-2023` (bin "Rust-Bootcamp-2023" test) generated 1 warning
[INFO] [stderr] warning: enum `MessageOne` is never used
[INFO] [stderr]  --> exercises/complex-type/src/enums.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 | enum MessageOne {
[INFO] [stderr]   |      ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `MessageOne` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `show_message` is never used
[INFO] [stderr]   --> exercises/complex-type/src/enums.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn show_message(msg: MessageOne) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `exercise1` is never used
[INFO] [stderr]   --> exercises/complex-type/src/enums.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn exercise1() {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::num`
[INFO] [stderr]  --> exercises/basic-of-rust/src/functions.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::num;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `integer`
[INFO] [stderr]  --> exercises/generic-type/src/lib.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let integer: Point<i32,i32> = Point { x: 5, y: 10 };
[INFO] [stderr]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `float`
[INFO] [stderr]  --> exercises/generic-type/src/lib.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let float: Point<f64,f64> = Point { x: 1.0, y: 4.0 };
[INFO] [stderr]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_float`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> exercises/generic-type/src/lib.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let p = Point{x: 5, y : "hello".to_string()};
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: function `exercise1` is never used
[INFO] [stderr]  --> exercises/generic-type/src/lib.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn exercise1() {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Point` is never constructed
[INFO] [stderr]   --> exercises/generic-type/src/lib.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct Point<T,U> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `exercise2` is never used
[INFO] [stderr]   --> exercises/generic-type/src/lib.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn exercise2() {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Val` is never constructed
[INFO] [stderr]   --> exercises/generic-type/src/lib.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | struct Val <T> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `value` is never used
[INFO] [stderr]   --> exercises/generic-type/src/lib.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | impl Val<f64> {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] 36 |     fn value(&self) -> &f64 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `value` is never used
[INFO] [stderr]   --> exercises/generic-type/src/lib.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | impl Val<String> {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] 42 |     fn value(&self) -> &String {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `exercise3` is never used
[INFO] [stderr]   --> exercises/generic-type/src/lib.rs:48:4
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn exercise3() {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u2`
[INFO] [stderr]   --> exercises/complex-type/src/structs.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let u2 = User {
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_u2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `moved`
[INFO] [stderr]    --> exercises/complex-type/src/structs.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |     let moved = &foos[0];
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_moved`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `moved_field`
[INFO] [stderr]    --> exercises/complex-type/src/structs.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |     let moved_field = &foos[0].str_val;
[INFO] [stderr]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_moved_field`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `User` is never constructed
[INFO] [stderr]   --> exercises/complex-type/src/structs.rs:86:8
[INFO] [stderr]    |
[INFO] [stderr] 86 | struct User {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `exercise4` is never used
[INFO] [stderr]   --> exercises/complex-type/src/structs.rs:92:4
[INFO] [stderr]    |
[INFO] [stderr] 92 | fn exercise4() {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Foo` is never constructed
[INFO] [stderr]    --> exercises/complex-type/src/structs.rs:112:8
[INFO] [stderr]     |
[INFO] [stderr] 112 | struct Foo {
[INFO] [stderr]     |        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `exercise5` is never used
[INFO] [stderr]    --> exercises/complex-type/src/structs.rs:117:4
[INFO] [stderr]     |
[INFO] [stderr] 117 | fn exercise5() {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `Rust-Bootcamp-2023` (test "enums") generated 3 warnings
[INFO] [stderr] warning: `Rust-Bootcamp-2023` (test "functions") generated 1 warning (run `cargo fix --test "functions"` to apply 1 suggestion)
[INFO] [stderr] warning: `Rust-Bootcamp-2023` (test "generic-type") generated 10 warnings
[INFO] [stderr] warning: `Rust-Bootcamp-2023` (bin "Rust-Bootcamp-2023") generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `Rust-Bootcamp-2023` (test "structs") generated 7 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/Rust_Bootcamp_2023-5fa481aba3f2b9e3)
[INFO] [stderr]      Running exercises/basic-of-rust/src/conditions.rs (/opt/rustwide/target/debug/deps/conditions-6f863b5a31129f92)
[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] [stdout] running 13 tests
[INFO] [stdout] test tests::bar_for_fuzz ... ok
[INFO] [stdout] test tests::ten_is_bigger_than_eight ... ok
[INFO] [stdout] test tests::default_to_baz ... ok
[INFO] [stdout] test tests::test_check_number_negative ... ok
[INFO] [stdout] test tests::test_check_number_zero ... ok
[INFO] [stdout] test tests::foo_for_fizz ... ok
[INFO] [stdout] test tests::test_factorial ... ok
[INFO] [stdout] test tests::test_check_number_positive ... ok
[INFO] [stdout] test tests::fortytwo_is_bigger_than_thirtytwo ... ok
[INFO] [stdout] test tests::test_leap_year ... ok
[INFO] [stderr]      Running exercises/complex-type/src/enums.rs (/opt/rustwide/target/debug/deps/enums-c9f5ab8996ae9e56)
[INFO] [stdout] test tests::test_non_prime_number ... ok
[INFO] [stdout] test tests::test_prime_number ... ok
[INFO] [stdout] test tests::test_non_leap_year ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_perform_operation ... ok
[INFO] [stdout] test tests::exercise3_should_work ... ok
[INFO] [stderr]      Running exercises/error-handling/src/lib.rs (/opt/rustwide/target/debug/deps/error_handling-1532b6104088401c)
[INFO] [stdout] test tests::exercise2_should_work ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::exercise1_should_work ... ok
[INFO] [stdout] test tests::exercise3_should_work ... ok
[INFO] [stdout] test tests::exercise2_should_work ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running exercises/basic-of-rust/src/functions.rs (/opt/rustwide/target/debug/deps/functions-4d2d11f6c367edfe)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_sum_even_numbers ... ok
[INFO] [stdout] test tests::sum_should_work ... ok
[INFO] [stdout] test tests::test_sum_100 ... ok
[INFO] [stdout] test tests::test_sum_1 ... ok
[INFO] [stdout] test tests::test_sum_0 ... ok
[INFO] [stdout] test tests::test_calculate_average_empty ... ok
[INFO] [stdout] test tests::test_calculate_average ... ok
[INFO] [stderr]      Running exercises/generic-type/src/lib.rs (/opt/rustwide/target/debug/deps/generic_type-a25f341cacef8b8f)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_reverse_collection_with_numbers ... ok
[INFO] [stdout] test tests::test_contains_value_with_strings ... ok
[INFO] [stdout] test tests::test_find_max_with_empty_collection ... ok
[INFO] [stdout] test tests::test_reverse_collection_with_empty_collection ... ok
[INFO] [stdout] test tests::test_reverse_collection_with_strings ... ok
[INFO] [stdout] test tests::test_contains_value_with_empty_collection ... ok
[INFO] [stdout] test tests::test_contains_value_with_numbers ... ok
[INFO] [stdout] test tests::test_find_max_with_numbers ... ok
[INFO] [stderr]      Running exercises/basic-of-rust/src/strings.rs (/opt/rustwide/target/debug/deps/strings-0879648a00f7a9f8)
[INFO] [stdout] test tests::test_find_max_with_strings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_non_palindrome ... ok
[INFO] [stdout] test tests::exercise2_work ... ok
[INFO] [stdout] test tests::test_palindrome ... ok
[INFO] [stdout] test tests::exercise1_work ... ok
[INFO] [stdout] test tests::test_count_char_occurrences ... ok
[INFO] [stdout] test tests::exercise3_work ... ok
[INFO] [stdout] test tests::test_reverse_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running exercises/complex-type/src/structs.rs (/opt/rustwide/target/debug/deps/structs-7918d61ceb460639)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::calculate_transport_fees ... ok
[INFO] [stdout] test tests::create_international_package ... ok
[INFO] [stdout] test tests::exercise3_should_work ... ok
[INFO] [stdout] test tests::create_local_package ... ok
[INFO] [stdout] test tests::exercise1_should_work ... ok
[INFO] [stdout] test tests::exercise2_should_work ... ok
[INFO] [stdout] test tests::fail_creating_weightless_package - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running exercises/traits/src/lib.rs (/opt/rustwide/target/debug/deps/traits-2c0efa18b292879b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::exercise1_should_work ... ok
[INFO] [stdout] test tests::exercise2_should_work ... ok
[INFO] [stdout] test tests::exercise6_should_work ... ok
[INFO] [stdout] test tests::exercise3_should_work ... ok
[INFO] [stdout] test tests::exercise5_should_work ... ok
[INFO] [stdout] test tests::exercise4_should_work ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6576cd5acf7c451369e89fc88e43ad398cc19289b17aa3d67ae40ce7181d963e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6576cd5acf7c451369e89fc88e43ad398cc19289b17aa3d67ae40ce7181d963e", kill_on_drop: false }`
[INFO] [stdout] 6576cd5acf7c451369e89fc88e43ad398cc19289b17aa3d67ae40ce7181d963e