[INFO] cloning repository https://github.com/jarhill0/rusty_euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jarhill0/rusty_euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjarhill0%2Frusty_euler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjarhill0%2Frusty_euler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f45512de86ad26810dacf1e1d5059bbf6f1826f5
[INFO] testing jarhill0/rusty_euler against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjarhill0%2Frusty_euler" "/workspace/builds/worker-54/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jarhill0/rusty_euler on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jarhill0/rusty_euler
[INFO] finished tweaking git repo https://github.com/jarhill0/rusty_euler
[INFO] tweaked toml for git repo https://github.com/jarhill0/rusty_euler written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate git repo https://github.com/jarhill0/rusty_euler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ff89ff3d40c6390b06d4949936cf6e43fc942fdbc14515c46bad4a41fc203f0
[INFO] running `Command { std: "docker" "start" "-a" "2ff89ff3d40c6390b06d4949936cf6e43fc942fdbc14515c46bad4a41fc203f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ff89ff3d40c6390b06d4949936cf6e43fc942fdbc14515c46bad4a41fc203f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff89ff3d40c6390b06d4949936cf6e43fc942fdbc14515c46bad4a41fc203f0", kill_on_drop: false }`
[INFO] [stdout] 2ff89ff3d40c6390b06d4949936cf6e43fc942fdbc14515c46bad4a41fc203f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ce094e53d8cee1b3bf5d861a8691ddf7cc4f758855bd84fe2431b8efa24368d
[INFO] running `Command { std: "docker" "start" "-a" "6ce094e53d8cee1b3bf5d861a8691ddf7cc4f758855bd84fe2431b8efa24368d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rusty_euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/interface/mod.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 |     F: Fn() -> (u32),
[INFO] [stdout]    |                ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 61 -     F: Fn() -> (u32),
[INFO] [stdout] 61 +     F: Fn() -> u32,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "6ce094e53d8cee1b3bf5d861a8691ddf7cc4f758855bd84fe2431b8efa24368d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ce094e53d8cee1b3bf5d861a8691ddf7cc4f758855bd84fe2431b8efa24368d", kill_on_drop: false }`
[INFO] [stdout] 6ce094e53d8cee1b3bf5d861a8691ddf7cc4f758855bd84fe2431b8efa24368d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e5ca111abafe905d6c4f8a488af9dd267a4b2d6c59751ab48bd786685ab48f6
[INFO] running `Command { std: "docker" "start" "-a" "6e5ca111abafe905d6c4f8a488af9dd267a4b2d6c59751ab48bd786685ab48f6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rusty_euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/interface/mod.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 |     F: Fn() -> (u32),
[INFO] [stdout]    |                ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 61 -     F: Fn() -> (u32),
[INFO] [stdout] 61 +     F: Fn() -> u32,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "6e5ca111abafe905d6c4f8a488af9dd267a4b2d6c59751ab48bd786685ab48f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e5ca111abafe905d6c4f8a488af9dd267a4b2d6c59751ab48bd786685ab48f6", kill_on_drop: false }`
[INFO] [stdout] 6e5ca111abafe905d6c4f8a488af9dd267a4b2d6c59751ab48bd786685ab48f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d50deef9d9ed5a2e981add68caface44e00a3b6bbc7e207c5a263854c9e1d91a
[INFO] running `Command { std: "docker" "start" "-a" "d50deef9d9ed5a2e981add68caface44e00a3b6bbc7e207c5a263854c9e1d91a", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/interface/mod.rs:61:16
[INFO] [stderr]    |
[INFO] [stderr] 61 |     F: Fn() -> (u32),
[INFO] [stderr]    |                ^   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 61 -     F: Fn() -> (u32),
[INFO] [stderr] 61 +     F: Fn() -> u32,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty_euler` (bin "rusty_euler" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusty_euler-d1d32192c402b1b3)
[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" "d50deef9d9ed5a2e981add68caface44e00a3b6bbc7e207c5a263854c9e1d91a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50deef9d9ed5a2e981add68caface44e00a3b6bbc7e207c5a263854c9e1d91a", kill_on_drop: false }`
[INFO] [stdout] d50deef9d9ed5a2e981add68caface44e00a3b6bbc7e207c5a263854c9e1d91a