[INFO] cloning repository https://github.com/florentw/erosion
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/florentw/erosion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflorentw%2Ferosion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflorentw%2Ferosion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 350f1fb30b2bf671277850f9b72330d27248fddd
[INFO] checking florentw/erosion against master#2b443a8d97ff1f26c35e4bcf682bf9a89e8a66d2 for pr-100971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflorentw%2Ferosion" "/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/florentw/erosion on toolchain 2b443a8d97ff1f26c35e4bcf682bf9a89e8a66d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2b443a8d97ff1f26c35e4bcf682bf9a89e8a66d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/florentw/erosion
[INFO] finished tweaking git repo https://github.com/florentw/erosion
[INFO] tweaked toml for git repo https://github.com/florentw/erosion written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/florentw/erosion already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2b443a8d97ff1f26c35e4bcf682bf9a89e8a66d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+2b443a8d97ff1f26c35e4bcf682bf9a89e8a66d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 108e79a7aa0549102ca79c29344d3cc8b860624274674c7f506b55a03668982f
[INFO] running `Command { std: "docker" "start" "-a" "108e79a7aa0549102ca79c29344d3cc8b860624274674c7f506b55a03668982f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "108e79a7aa0549102ca79c29344d3cc8b860624274674c7f506b55a03668982f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "108e79a7aa0549102ca79c29344d3cc8b860624274674c7f506b55a03668982f", kill_on_drop: false }`
[INFO] [stdout] 108e79a7aa0549102ca79c29344d3cc8b860624274674c7f506b55a03668982f
[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=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" "+2b443a8d97ff1f26c35e4bcf682bf9a89e8a66d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11828126fa529aed35f048e755f66ab10e450434f6fdaaafa2fdbff8f8fefd5e
[INFO] running `Command { std: "docker" "start" "-a" "11828126fa529aed35f048e755f66ab10e450434f6fdaaafa2fdbff8f8fefd5e", kill_on_drop: false }`
[INFO] [stderr]     Checking erosion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/throughput/mod.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut running = true;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/throughput/mod.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut running = true;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "11828126fa529aed35f048e755f66ab10e450434f6fdaaafa2fdbff8f8fefd5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11828126fa529aed35f048e755f66ab10e450434f6fdaaafa2fdbff8f8fefd5e", kill_on_drop: false }`
[INFO] [stdout] 11828126fa529aed35f048e755f66ab10e450434f6fdaaafa2fdbff8f8fefd5e