[INFO] cloning repository https://github.com/MartinHowarth/petals_around_the_rose
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MartinHowarth/petals_around_the_rose" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMartinHowarth%2Fpetals_around_the_rose", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMartinHowarth%2Fpetals_around_the_rose'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07c9f5fe1492656514dcbf1a0e874988007b0364
[INFO] testing MartinHowarth/petals_around_the_rose against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMartinHowarth%2Fpetals_around_the_rose" "/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/MartinHowarth/petals_around_the_rose on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MartinHowarth/petals_around_the_rose
[INFO] finished tweaking git repo https://github.com/MartinHowarth/petals_around_the_rose
[INFO] tweaked toml for git repo https://github.com/MartinHowarth/petals_around_the_rose written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/MartinHowarth/petals_around_the_rose already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7a9fcd5c7449dfedff57b276894a9bc130d5d20ecacebf06703540b3a2d17d4
[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" "f7a9fcd5c7449dfedff57b276894a9bc130d5d20ecacebf06703540b3a2d17d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7a9fcd5c7449dfedff57b276894a9bc130d5d20ecacebf06703540b3a2d17d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a9fcd5c7449dfedff57b276894a9bc130d5d20ecacebf06703540b3a2d17d4", kill_on_drop: false }`
[INFO] [stdout] f7a9fcd5c7449dfedff57b276894a9bc130d5d20ecacebf06703540b3a2d17d4
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e68c666705aceaafef3eb9c3f65d3ed784b3d4611ca8f277aedc2b24a71b3340
[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" "e68c666705aceaafef3eb9c3f65d3ed784b3d4611ca8f277aedc2b24a71b3340", kill_on_drop: false }`
[INFO] [stderr]    Compiling cute v0.3.0
[INFO] [stderr]    Compiling petals_around_the_rose v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     ;
[INFO] [stdout]    |     ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut f: fn(&mut i32) = match die {
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "e68c666705aceaafef3eb9c3f65d3ed784b3d4611ca8f277aedc2b24a71b3340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e68c666705aceaafef3eb9c3f65d3ed784b3d4611ca8f277aedc2b24a71b3340", kill_on_drop: false }`
[INFO] [stdout] e68c666705aceaafef3eb9c3f65d3ed784b3d4611ca8f277aedc2b24a71b3340
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2e314d9cb017b89ae53d9ebdac1ee3b376374e00947e85582e1d3f3a668ccbc
[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" "b2e314d9cb017b89ae53d9ebdac1ee3b376374e00947e85582e1d3f3a668ccbc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling petals_around_the_rose v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     ;
[INFO] [stdout]    |     ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut f: fn(&mut i32) = match die {
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "b2e314d9cb017b89ae53d9ebdac1ee3b376374e00947e85582e1d3f3a668ccbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e314d9cb017b89ae53d9ebdac1ee3b376374e00947e85582e1d3f3a668ccbc", kill_on_drop: false }`
[INFO] [stdout] b2e314d9cb017b89ae53d9ebdac1ee3b376374e00947e85582e1d3f3a668ccbc
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b81db4a3b7e5d89768eb0d26486a988f64ca3ea49540080a1fa545c04bd77fe8
[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" "b81db4a3b7e5d89768eb0d26486a988f64ca3ea49540080a1fa545c04bd77fe8", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/main.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     ;
[INFO] [stderr]    |     ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut f: fn(&mut i32) = match die {
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/petals_around_the_rose-db394de10ddef069
[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" "b81db4a3b7e5d89768eb0d26486a988f64ca3ea49540080a1fa545c04bd77fe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b81db4a3b7e5d89768eb0d26486a988f64ca3ea49540080a1fa545c04bd77fe8", kill_on_drop: false }`
[INFO] [stdout] b81db4a3b7e5d89768eb0d26486a988f64ca3ea49540080a1fa545c04bd77fe8