[INFO] cloning repository https://github.com/andygrn/flock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andygrn/flock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandygrn%2Fflock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandygrn%2Fflock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88b50285043c1d832908068be18cf00c0a14d8cd
[INFO] checking andygrn/flock against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandygrn%2Fflock" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andygrn/flock on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andygrn/flock
[INFO] finished tweaking git repo https://github.com/andygrn/flock
[INFO] tweaked toml for git repo https://github.com/andygrn/flock written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/andygrn/flock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 31e3467b01149e3b4000c4ba335eff8b6d234c96235873fd2eae150ede0f75d7
[INFO] running `Command { std: "docker" "start" "-a" "31e3467b01149e3b4000c4ba335eff8b6d234c96235873fd2eae150ede0f75d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31e3467b01149e3b4000c4ba335eff8b6d234c96235873fd2eae150ede0f75d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e3467b01149e3b4000c4ba335eff8b6d234c96235873fd2eae150ede0f75d7", kill_on_drop: false }`
[INFO] [stdout] 31e3467b01149e3b4000c4ba335eff8b6d234c96235873fd2eae150ede0f75d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 003179e78784388928100ada5fcacc220ba2c61a8e5b961ce9442ba87704265d
[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" "003179e78784388928100ada5fcacc220ba2c61a8e5b961ce9442ba87704265d", kill_on_drop: false }`
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking atom v0.3.4
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]     Checking crossbeam v0.3.0
[INFO] [stderr]     Checking tuple_utils v0.2.0
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking arrayvec v0.3.24
[INFO] [stderr]     Checking pulse v0.5.3
[INFO] [stderr]     Checking noise v0.4.1
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking hibitset v0.3.2
[INFO] [stderr]    Compiling shred-derive v0.3.0
[INFO] [stderr]     Checking shred v0.5.0
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]     Checking specs v0.10.0
[INFO] [stderr]     Checking flock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/terminal_renderer.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub char_gen: (fn(f32, f32) -> char),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/terminal_renderer.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |         char_gen: (fn(f32, f32) -> char),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/terminal_renderer.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub char_gen: (fn(f32, f32) -> char),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/terminal_renderer.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |         char_gen: (fn(f32, f32) -> char),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.27s
[INFO] running `Command { std: "docker" "inspect" "003179e78784388928100ada5fcacc220ba2c61a8e5b961ce9442ba87704265d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "003179e78784388928100ada5fcacc220ba2c61a8e5b961ce9442ba87704265d", kill_on_drop: false }`
[INFO] [stdout] 003179e78784388928100ada5fcacc220ba2c61a8e5b961ce9442ba87704265d