[INFO] cloning repository https://github.com/binocvlar/Rustlang-Towers-of-Hanoi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/binocvlar/Rustlang-Towers-of-Hanoi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinocvlar%2FRustlang-Towers-of-Hanoi", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinocvlar%2FRustlang-Towers-of-Hanoi'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 38c5875230b50b8ed24a7c80217a7481594f9e29 [INFO] testing binocvlar/Rustlang-Towers-of-Hanoi against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinocvlar%2FRustlang-Towers-of-Hanoi" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/binocvlar/Rustlang-Towers-of-Hanoi on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/binocvlar/Rustlang-Towers-of-Hanoi [INFO] finished tweaking git repo https://github.com/binocvlar/Rustlang-Towers-of-Hanoi [INFO] tweaked toml for git repo https://github.com/binocvlar/Rustlang-Towers-of-Hanoi written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/binocvlar/Rustlang-Towers-of-Hanoi already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ecb62a5648e53c11262d8a2ae1cb2fc5b11fd43f42403b55c49a212f7248723c [INFO] running `Command { std: "docker" "start" "-a" "ecb62a5648e53c11262d8a2ae1cb2fc5b11fd43f42403b55c49a212f7248723c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ecb62a5648e53c11262d8a2ae1cb2fc5b11fd43f42403b55c49a212f7248723c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecb62a5648e53c11262d8a2ae1cb2fc5b11fd43f42403b55c49a212f7248723c", kill_on_drop: false }` [INFO] [stdout] ecb62a5648e53c11262d8a2ae1cb2fc5b11fd43f42403b55c49a212f7248723c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad24acfd24550ac569382226400261a2ed97b0da295bfb248c22b916c9f43362 [INFO] running `Command { std: "docker" "start" "-a" "ad24acfd24550ac569382226400261a2ed97b0da295bfb248c22b916c9f43362", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Compiling argparse v0.2.2 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling termion v1.5.2 [INFO] [stderr] Compiling ctrlc v3.1.3 [INFO] [stderr] Compiling towers_of_hanoi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `size` [INFO] [stdout] --> src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | size: u8, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Disc` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `max` [INFO] [stdout] --> src/lib.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | max: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Disc` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `capacity` [INFO] [stdout] --> src/lib.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 71 | capacity: u8, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Peg` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:68:10 [INFO] [stdout] | [INFO] [stdout] 68 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.39s [INFO] running `Command { std: "docker" "inspect" "ad24acfd24550ac569382226400261a2ed97b0da295bfb248c22b916c9f43362", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad24acfd24550ac569382226400261a2ed97b0da295bfb248c22b916c9f43362", kill_on_drop: false }` [INFO] [stdout] ad24acfd24550ac569382226400261a2ed97b0da295bfb248c22b916c9f43362 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 58e4532c91eb8a52ba596971629c394e1ba4cde5969b418e0d84dcac7a5d4c87 [INFO] running `Command { std: "docker" "start" "-a" "58e4532c91eb8a52ba596971629c394e1ba4cde5969b418e0d84dcac7a5d4c87", kill_on_drop: false }` [INFO] [stdout] warning: field is never read: `size` [INFO] [stdout] --> src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | size: u8, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Disc` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `max` [INFO] [stdout] --> src/lib.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | max: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Disc` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `capacity` [INFO] [stdout] --> src/lib.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 71 | capacity: u8, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Peg` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:68:10 [INFO] [stdout] | [INFO] [stdout] 68 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling towers_of_hanoi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `size` [INFO] [stdout] --> src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | size: u8, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Disc` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `max` [INFO] [stdout] --> src/lib.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | max: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Disc` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `capacity` [INFO] [stdout] --> src/lib.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 71 | capacity: u8, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Peg` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:68:10 [INFO] [stdout] | [INFO] [stdout] 68 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.42s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/towers_of_hanoi-38718fbf971734a7) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/towers_of_hanoi-4063fa601831685d) [INFO] running `Command { std: "docker" "inspect" "58e4532c91eb8a52ba596971629c394e1ba4cde5969b418e0d84dcac7a5d4c87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58e4532c91eb8a52ba596971629c394e1ba4cde5969b418e0d84dcac7a5d4c87", kill_on_drop: false }` [INFO] [stdout] 58e4532c91eb8a52ba596971629c394e1ba4cde5969b418e0d84dcac7a5d4c87 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] eb2240502e2d26f57cc283c409072df6b2a3eaf46167054d5d763d20e5810561 [INFO] running `Command { std: "docker" "start" "-a" "eb2240502e2d26f57cc283c409072df6b2a3eaf46167054d5d763d20e5810561", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `size` [INFO] [stderr] --> src/lib.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | size: u8, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Disc` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/lib.rs:40:10 [INFO] [stderr] | [INFO] [stderr] 40 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `max` [INFO] [stderr] --> src/lib.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | max: u8, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Disc` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/lib.rs:40:10 [INFO] [stderr] | [INFO] [stderr] 40 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `capacity` [INFO] [stderr] --> src/lib.rs:71:5 [INFO] [stderr] | [INFO] [stderr] 71 | capacity: u8, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Peg` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/lib.rs:68:10 [INFO] [stderr] | [INFO] [stderr] 68 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `towers_of_hanoi` (lib) generated 3 warnings [INFO] [stderr] warning: `towers_of_hanoi` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/towers_of_hanoi-38718fbf971734a7) [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/towers_of_hanoi-4063fa601831685d) [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] Doc-tests towers_of_hanoi [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] running `Command { std: "docker" "inspect" "eb2240502e2d26f57cc283c409072df6b2a3eaf46167054d5d763d20e5810561", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb2240502e2d26f57cc283c409072df6b2a3eaf46167054d5d763d20e5810561", kill_on_drop: false }` [INFO] [stdout] eb2240502e2d26f57cc283c409072df6b2a3eaf46167054d5d763d20e5810561