[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] building CaryWillard/TowerOfHanoi against try#b755f8b9936d084e0363ce6b393c7e444a37080e for pr-97334-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaryWillard%2FTowerOfHanoi" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CaryWillard/TowerOfHanoi on toolchain b755f8b9936d084e0363ce6b393c7e444a37080e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b755f8b9936d084e0363ce6b393c7e444a37080e" "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-7/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" "+b755f8b9936d084e0363ce6b393c7e444a37080e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+b755f8b9936d084e0363ce6b393c7e444a37080e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b8d0f1c73f5ea6c71b1737b2ffa86c5acfb85c73a21e413a6e1d01e8d0d5981a [INFO] running `Command { std: "docker" "start" "-a" "b8d0f1c73f5ea6c71b1737b2ffa86c5acfb85c73a21e413a6e1d01e8d0d5981a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b8d0f1c73f5ea6c71b1737b2ffa86c5acfb85c73a21e413a6e1d01e8d0d5981a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8d0f1c73f5ea6c71b1737b2ffa86c5acfb85c73a21e413a6e1d01e8d0d5981a", kill_on_drop: false }` [INFO] [stdout] b8d0f1c73f5ea6c71b1737b2ffa86c5acfb85c73a21e413a6e1d01e8d0d5981a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+b755f8b9936d084e0363ce6b393c7e444a37080e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3678a47f710f4faf0d603367c1054f74f903fc47a01b2376a9a90ba9506b84f4 [INFO] running `Command { std: "docker" "start" "-a" "3678a47f710f4faf0d603367c1054f74f903fc47a01b2376a9a90ba9506b84f4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling tower_of_hanoi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `ring` is never read [INFO] [stdout] --> src/main.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 82 | pub struct HanoiMove { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 83 | ring: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] = note: `HanoiMove` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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 1.09s [INFO] running `Command { std: "docker" "inspect" "3678a47f710f4faf0d603367c1054f74f903fc47a01b2376a9a90ba9506b84f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3678a47f710f4faf0d603367c1054f74f903fc47a01b2376a9a90ba9506b84f4", kill_on_drop: false }` [INFO] [stdout] 3678a47f710f4faf0d603367c1054f74f903fc47a01b2376a9a90ba9506b84f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+b755f8b9936d084e0363ce6b393c7e444a37080e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8b875b13492b39ace8efe41fdd4e313c285e48b47dc1eef448c899de320a972 [INFO] running `Command { std: "docker" "start" "-a" "e8b875b13492b39ace8efe41fdd4e313c285e48b47dc1eef448c899de320a972", 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 `ring` is never read [INFO] [stdout] --> src/main.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 82 | pub struct HanoiMove { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 83 | ring: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] = note: `HanoiMove` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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 0.34s [INFO] running `Command { std: "docker" "inspect" "e8b875b13492b39ace8efe41fdd4e313c285e48b47dc1eef448c899de320a972", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8b875b13492b39ace8efe41fdd4e313c285e48b47dc1eef448c899de320a972", kill_on_drop: false }` [INFO] [stdout] e8b875b13492b39ace8efe41fdd4e313c285e48b47dc1eef448c899de320a972