[INFO] cloning repository https://github.com/garyemerson/circular_walk [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garyemerson/circular_walk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Fcircular_walk", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Fcircular_walk'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0815ede4471340cf97ed3207bcd4d5b3c09c6e62 [INFO] testing garyemerson/circular_walk 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%2Fgaryemerson%2Fcircular_walk" "/workspace/builds/worker-107/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/garyemerson/circular_walk 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/garyemerson/circular_walk [INFO] finished tweaking git repo https://github.com/garyemerson/circular_walk [INFO] tweaked toml for git repo https://github.com/garyemerson/circular_walk written to /workspace/builds/worker-107/source/Cargo.toml [INFO] crate git repo https://github.com/garyemerson/circular_walk 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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 6e6300a4a789447de175f32a3ffa3f30f27b75441ccdeedcb84e4378623d86cc [INFO] running `Command { std: "docker" "start" "-a" "6e6300a4a789447de175f32a3ffa3f30f27b75441ccdeedcb84e4378623d86cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6e6300a4a789447de175f32a3ffa3f30f27b75441ccdeedcb84e4378623d86cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e6300a4a789447de175f32a3ffa3f30f27b75441ccdeedcb84e4378623d86cc", kill_on_drop: false }` [INFO] [stdout] 6e6300a4a789447de175f32a3ffa3f30f27b75441ccdeedcb84e4378623d86cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] d6cbb3b388ba8bf25d49930805c3d6f002360f48c31ebd7d75b1e33e2018e727 [INFO] running `Command { std: "docker" "start" "-a" "d6cbb3b388ba8bf25d49930805c3d6f002360f48c31ebd7d75b1e33e2018e727", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling circular_walk v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/main.rs:79:35 [INFO] [stdout] | [INFO] [stdout] 79 | Box::new((start..n).chain((0..(end + 1)))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 79 - Box::new((start..n).chain((0..(end + 1)))) [INFO] [stdout] 79 + Box::new((start..n).chain(0..(end + 1))) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:81:18 [INFO] [stdout] | [INFO] [stdout] 81 | Box::new((start..(end + 1))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 81 - Box::new((start..(end + 1))) [INFO] [stdout] 81 + Box::new(start..(end + 1)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:65:63 [INFO] [stdout] | [INFO] [stdout] 65 | fn get_neighbours(node: usize, n: usize, reach: usize) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 65 - fn get_neighbours(node: usize, n: usize, reach: usize) -> Box> { [INFO] [stdout] 65 + fn get_neighbours(node: usize, n: usize, reach: usize) -> Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.48s [INFO] running `Command { std: "docker" "inspect" "d6cbb3b388ba8bf25d49930805c3d6f002360f48c31ebd7d75b1e33e2018e727", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6cbb3b388ba8bf25d49930805c3d6f002360f48c31ebd7d75b1e33e2018e727", kill_on_drop: false }` [INFO] [stdout] d6cbb3b388ba8bf25d49930805c3d6f002360f48c31ebd7d75b1e33e2018e727 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 3bfda92fe8a3ffeb5104873289b1735b6250a90cc57cdaa289e9e70673e50517 [INFO] running `Command { std: "docker" "start" "-a" "3bfda92fe8a3ffeb5104873289b1735b6250a90cc57cdaa289e9e70673e50517", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling circular_walk v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/main.rs:79:35 [INFO] [stdout] | [INFO] [stdout] 79 | Box::new((start..n).chain((0..(end + 1)))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 79 - Box::new((start..n).chain((0..(end + 1)))) [INFO] [stdout] 79 + Box::new((start..n).chain(0..(end + 1))) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:81:18 [INFO] [stdout] | [INFO] [stdout] 81 | Box::new((start..(end + 1))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 81 - Box::new((start..(end + 1))) [INFO] [stdout] 81 + Box::new(start..(end + 1)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:65:63 [INFO] [stdout] | [INFO] [stdout] 65 | fn get_neighbours(node: usize, n: usize, reach: usize) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 65 - fn get_neighbours(node: usize, n: usize, reach: usize) -> Box> { [INFO] [stdout] 65 + fn get_neighbours(node: usize, n: usize, reach: usize) -> Box> { [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 1.12s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/circular_walk-f9271cda19f4cc1a) [INFO] running `Command { std: "docker" "inspect" "3bfda92fe8a3ffeb5104873289b1735b6250a90cc57cdaa289e9e70673e50517", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bfda92fe8a3ffeb5104873289b1735b6250a90cc57cdaa289e9e70673e50517", kill_on_drop: false }` [INFO] [stdout] 3bfda92fe8a3ffeb5104873289b1735b6250a90cc57cdaa289e9e70673e50517 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 3c0a9c208067499f17c048c7dd9e7d5d9ee043163bf807d540f90d7f96d70c36 [INFO] running `Command { std: "docker" "start" "-a" "3c0a9c208067499f17c048c7dd9e7d5d9ee043163bf807d540f90d7f96d70c36", 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: unnecessary parentheses around method argument [INFO] [stderr] --> src/main.rs:79:35 [INFO] [stderr] | [INFO] [stderr] 79 | Box::new((start..n).chain((0..(end + 1)))) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 79 - Box::new((start..n).chain((0..(end + 1)))) [INFO] [stderr] 79 + Box::new((start..n).chain(0..(end + 1))) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/main.rs:81:18 [INFO] [stderr] | [INFO] [stderr] 81 | Box::new((start..(end + 1))) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 81 - Box::new((start..(end + 1))) [INFO] [stderr] 81 + Box::new(start..(end + 1)) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:65:63 [INFO] [stderr] | [INFO] [stderr] 65 | fn get_neighbours(node: usize, n: usize, reach: usize) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 65 - fn get_neighbours(node: usize, n: usize, reach: usize) -> Box> { [INFO] [stderr] 65 + fn get_neighbours(node: usize, n: usize, reach: usize) -> Box> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `circular_walk` (bin "circular_walk" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.32s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/circular_walk-f9271cda19f4cc1a) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test alread_there ... ok [INFO] [stdout] test no_path ... ok [INFO] [stdout] test back_and_forth ... ok [INFO] [stdout] test no_path2 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3c0a9c208067499f17c048c7dd9e7d5d9ee043163bf807d540f90d7f96d70c36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c0a9c208067499f17c048c7dd9e7d5d9ee043163bf807d540f90d7f96d70c36", kill_on_drop: false }` [INFO] [stdout] 3c0a9c208067499f17c048c7dd9e7d5d9ee043163bf807d540f90d7f96d70c36