[INFO] cloning repository https://github.com/texhnolyze/within
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/texhnolyze/within" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftexhnolyze%2Fwithin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftexhnolyze%2Fwithin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f808f14e431e354808aae17aa5f4d05fb00ae30
[INFO] checking texhnolyze/within against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftexhnolyze%2Fwithin" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/texhnolyze/within on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/texhnolyze/within
[INFO] finished tweaking git repo https://github.com/texhnolyze/within
[INFO] tweaked toml for git repo https://github.com/texhnolyze/within written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/texhnolyze/within already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] add3a34ff3e7dceda5fc500ee7c96b302758d6fbdc6ed5726b28b19e7d495155
[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" "add3a34ff3e7dceda5fc500ee7c96b302758d6fbdc6ed5726b28b19e7d495155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "add3a34ff3e7dceda5fc500ee7c96b302758d6fbdc6ed5726b28b19e7d495155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add3a34ff3e7dceda5fc500ee7c96b302758d6fbdc6ed5726b28b19e7d495155", kill_on_drop: false }`
[INFO] [stdout] add3a34ff3e7dceda5fc500ee7c96b302758d6fbdc6ed5726b28b19e7d495155
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeb643659d8aa5cb24880618354d3dcbab4f863cb5492f1929d89eee58e4551c
[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" "eeb643659d8aa5cb24880618354d3dcbab4f863cb5492f1929d89eee58e4551c", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking within v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/runner.rs:31:74
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn run_command(config: &Config, working_dir: &PathBuf) -> io::Result<(Output)> {
[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/runner.rs:31:74
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn run_command(config: &Config, working_dir: &PathBuf) -> io::Result<(Output)> {
[INFO] [stdout]    |                                                                          ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.05s
[INFO] running `Command { std: "docker" "inspect" "eeb643659d8aa5cb24880618354d3dcbab4f863cb5492f1929d89eee58e4551c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb643659d8aa5cb24880618354d3dcbab4f863cb5492f1929d89eee58e4551c", kill_on_drop: false }`
[INFO] [stdout] eeb643659d8aa5cb24880618354d3dcbab4f863cb5492f1929d89eee58e4551c