[INFO] cloning repository https://github.com/CaryWillard/TowerOfHanoi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CaryWillard/TowerOfHanoi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaryWillard%2FTowerOfHanoi", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaryWillard%2FTowerOfHanoi'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b58fc49f22ee80a5bc957191e4b5572a3385e8f6 [INFO] testing CaryWillard/TowerOfHanoi against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaryWillard%2FTowerOfHanoi" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CaryWillard/TowerOfHanoi on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/CaryWillard/TowerOfHanoi [INFO] finished tweaking git repo https://github.com/CaryWillard/TowerOfHanoi [INFO] tweaked toml for git repo https://github.com/CaryWillard/TowerOfHanoi written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/CaryWillard/TowerOfHanoi already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 949cfa0ef8960e0cf94350c0ef2b41f33a44e5661355e3a4929411cf8659435f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "949cfa0ef8960e0cf94350c0ef2b41f33a44e5661355e3a4929411cf8659435f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "949cfa0ef8960e0cf94350c0ef2b41f33a44e5661355e3a4929411cf8659435f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "949cfa0ef8960e0cf94350c0ef2b41f33a44e5661355e3a4929411cf8659435f", kill_on_drop: false }` [INFO] [stdout] 949cfa0ef8960e0cf94350c0ef2b41f33a44e5661355e3a4929411cf8659435f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f689b3346637cbff8252684d2d972d74c38c952a04dfda0339ee5fe9ddf88e34 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f689b3346637cbff8252684d2d972d74c38c952a04dfda0339ee5fe9ddf88e34", kill_on_drop: false }` [INFO] [stderr] Compiling tower_of_hanoi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `ring` [INFO] [stdout] --> src/main.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 83 | ring: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:48:20 [INFO] [stdout] | [INFO] [stdout] 48 | panic!(format!("Cannot move from {:?} to {:?} with state {:?}", mv.from, mv.to, &self.towers)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 48 - panic!(format!("Cannot move from {:?} to {:?} with state {:?}", mv.from, mv.to, &self.towers)); [INFO] [stdout] 48 + panic!("Cannot move from {:?} to {:?} with state {:?}", mv.from, mv.to, &self.towers); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.11s [INFO] running `Command { std: "docker" "inspect" "f689b3346637cbff8252684d2d972d74c38c952a04dfda0339ee5fe9ddf88e34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f689b3346637cbff8252684d2d972d74c38c952a04dfda0339ee5fe9ddf88e34", kill_on_drop: false }` [INFO] [stdout] f689b3346637cbff8252684d2d972d74c38c952a04dfda0339ee5fe9ddf88e34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] efbd0efffc7bea1b08659220034796fa5d0c9c7e37a63980070dd5092d9921d1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "efbd0efffc7bea1b08659220034796fa5d0c9c7e37a63980070dd5092d9921d1", kill_on_drop: false }` [INFO] [stderr] Compiling tower_of_hanoi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:152:23 [INFO] [stdout] | [INFO] [stdout] 152 | fn bench_30_rings(b: &mut Bencher) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ring` [INFO] [stdout] --> src/main.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 83 | ring: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:48:20 [INFO] [stdout] | [INFO] [stdout] 48 | panic!(format!("Cannot move from {:?} to {:?} with state {:?}", mv.from, mv.to, &self.towers)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 48 - panic!(format!("Cannot move from {:?} to {:?} with state {:?}", mv.from, mv.to, &self.towers)); [INFO] [stdout] 48 + panic!("Cannot move from {:?} to {:?} with state {:?}", mv.from, mv.to, &self.towers); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.01s [INFO] running `Command { std: "docker" "inspect" "efbd0efffc7bea1b08659220034796fa5d0c9c7e37a63980070dd5092d9921d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efbd0efffc7bea1b08659220034796fa5d0c9c7e37a63980070dd5092d9921d1", kill_on_drop: false }` [INFO] [stdout] efbd0efffc7bea1b08659220034796fa5d0c9c7e37a63980070dd5092d9921d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2b1fea5fff8f015a92de617a7397a4cd40c76c2316c56cfe8620d0fbbaeb1b53 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2b1fea5fff8f015a92de617a7397a4cd40c76c2316c56cfe8620d0fbbaeb1b53", 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] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/main.rs:152:23 [INFO] [stderr] | [INFO] [stderr] 152 | fn bench_30_rings(b: &mut Bencher) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `ring` [INFO] [stderr] --> src/main.rs:83:5 [INFO] [stderr] | [INFO] [stderr] 83 | ring: usize, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/main.rs:48:20 [INFO] [stderr] | [INFO] [stderr] 48 | panic!(format!("Cannot move from {:?} to {:?} with state {:?}", mv.from, mv.to, &self.towers)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 48 - panic!(format!("Cannot move from {:?} to {:?} with state {:?}", mv.from, mv.to, &self.towers)); [INFO] [stderr] 48 + panic!("Cannot move from {:?} to {:?} with state {:?}", mv.from, mv.to, &self.towers); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `tower_of_hanoi` (bin "tower_of_hanoi" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tower_of_hanoi-23cae48470ac4904) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] error: test failed, to rerun pass '--bin tower_of_hanoi' [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/tower_of_hanoi-23cae48470ac4904` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "2b1fea5fff8f015a92de617a7397a4cd40c76c2316c56cfe8620d0fbbaeb1b53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b1fea5fff8f015a92de617a7397a4cd40c76c2316c56cfe8620d0fbbaeb1b53", kill_on_drop: false }` [INFO] [stdout] 2b1fea5fff8f015a92de617a7397a4cd40c76c2316c56cfe8620d0fbbaeb1b53