[INFO] cloning repository https://github.com/shining-mind/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/shining-mind/rust-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshining-mind%2Frust-book", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshining-mind%2Frust-book'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e4972601d7e43e4120fb898dce118f123a29ac90 [INFO] checking shining-mind/rust-book against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshining-mind%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/shining-mind/rust-book on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shining-mind/rust-book [INFO] finished tweaking git repo https://github.com/shining-mind/rust-book [INFO] tweaked toml for git repo https://github.com/shining-mind/rust-book written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/shining-mind/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cfd968ffc59aef24c7d944e735e1c067d2507f336145ddd18328c76e860ca873 [INFO] running `Command { std: "docker" "start" "-a" "cfd968ffc59aef24c7d944e735e1c067d2507f336145ddd18328c76e860ca873", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cfd968ffc59aef24c7d944e735e1c067d2507f336145ddd18328c76e860ca873", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfd968ffc59aef24c7d944e735e1c067d2507f336145ddd18328c76e860ca873", kill_on_drop: false }` [INFO] [stdout] cfd968ffc59aef24c7d944e735e1c067d2507f336145ddd18328c76e860ca873 [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=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ed8601c3b570cffbf39005b33bfb604d64a12d513d0704c5c206876e689e92b3 [INFO] running `Command { std: "docker" "start" "-a" "ed8601c3b570cffbf39005b33bfb604d64a12d513d0704c5c206876e689e92b3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking functions v0.1.0 (/opt/rustwide/workdir/chapter-03/functions) [INFO] [stderr] Checking area-calc v0.1.0 (/opt/rustwide/workdir/chapter-05/area-calc) [INFO] [stderr] Checking restaurant v0.1.0 (/opt/rustwide/workdir/chapter-07/restaurant) [INFO] [stderr] Checking strings v0.1.0 (/opt/rustwide/workdir/chapter-04/strings) [INFO] [stderr] Checking hello-world v0.1.0 (/opt/rustwide/workdir/chapter-01/hello-world) [INFO] [stderr] Checking i-overflows v0.1.0 (/opt/rustwide/workdir/chapter-03/i-overflows) [INFO] [stderr] Checking loops v0.1.0 (/opt/rustwide/workdir/chapter-03/loops) [INFO] [stderr] Checking nth-fib v0.1.0 (/opt/rustwide/workdir/chapter-03/nth-fib) [INFO] [stdout] warning: function `deliver_order` is never used [INFO] [stdout] --> chapter-07/restaurant/src/lib.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn deliver_order() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `seat_at_table` is never used [INFO] [stdout] --> chapter-07/restaurant/src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | fn seat_at_table() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `take_order` is never used [INFO] [stdout] --> chapter-07/restaurant/src/lib.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | fn take_order() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `serve_order` is never used [INFO] [stdout] --> chapter-07/restaurant/src/lib.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | fn serve_order() {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `take_payment` is never used [INFO] [stdout] --> chapter-07/restaurant/src/lib.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | fn take_payment() {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fix_incorrect_order` is never used [INFO] [stdout] --> chapter-07/restaurant/src/lib.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn fix_incorrect_order() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cook_order` is never used [INFO] [stdout] --> chapter-07/restaurant/src/lib.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | fn cook_order() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking variables v0.1.0 (/opt/rustwide/workdir/chapter-03/variables) [INFO] [stdout] warning: function `deliver_order` is never used [INFO] [stdout] --> chapter-07/restaurant/src/lib.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn deliver_order() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking branches v0.1.0 (/opt/rustwide/workdir/chapter-03/branches) [INFO] [stdout] warning: function `seat_at_table` is never used [INFO] [stdout] --> chapter-07/restaurant/src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | fn seat_at_table() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `take_order` is never used [INFO] [stdout] --> chapter-07/restaurant/src/lib.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | fn take_order() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `serve_order` is never used [INFO] [stdout] --> chapter-07/restaurant/src/lib.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | fn serve_order() {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `take_payment` is never used [INFO] [stdout] --> chapter-07/restaurant/src/lib.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | fn take_payment() {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fix_incorrect_order` is never used [INFO] [stdout] --> chapter-07/restaurant/src/lib.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn fix_incorrect_order() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cook_order` is never used [INFO] [stdout] --> chapter-07/restaurant/src/lib.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | fn cook_order() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking backyard v0.1.0 (/opt/rustwide/workdir/chapter-07/backyard) [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking enums v0.1.0 (/opt/rustwide/workdir/chapter-06/enums) [INFO] [stderr] Checking guessing-game v0.1.0 (/opt/rustwide/workdir/chapter-02/guessing-game) [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> chapter-06/enums/src/main.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | V4(u8, u8, u8, u8), [INFO] [stdout] | -- ^^ ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` 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] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 16 | V4((), (), (), ()), [INFO] [stdout] | ~~ ~~ ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> chapter-06/enums/src/main.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 17 | V6(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> chapter-06/enums/src/main.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | V4(u8, u8, u8, u8), [INFO] [stdout] | -- ^^ ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` 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] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 16 | V4((), (), (), ()), [INFO] [stdout] | ~~ ~~ ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> chapter-06/enums/src/main.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 17 | V6(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking convert-temp v0.1.0 (/opt/rustwide/workdir/chapter-03/convert-temp) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.59s [INFO] running `Command { std: "docker" "inspect" "ed8601c3b570cffbf39005b33bfb604d64a12d513d0704c5c206876e689e92b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed8601c3b570cffbf39005b33bfb604d64a12d513d0704c5c206876e689e92b3", kill_on_drop: false }` [INFO] [stdout] ed8601c3b570cffbf39005b33bfb604d64a12d513d0704c5c206876e689e92b3