[INFO] cloning repository https://github.com/aisamanra/knurling
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aisamanra/knurling" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faisamanra%2Fknurling", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faisamanra%2Fknurling'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe2caffffac1bbc10873555a709b456e34ae0098
[INFO] checking aisamanra/knurling against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faisamanra%2Fknurling" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aisamanra/knurling on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aisamanra/knurling
[INFO] finished tweaking git repo https://github.com/aisamanra/knurling
[INFO] tweaked toml for git repo https://github.com/aisamanra/knurling written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/aisamanra/knurling already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef82c6465860bf5d76585ed52dd4d2c455b6c27f4599e023349959ff8a1a83d9
[INFO] running `Command { std: "docker" "start" "-a" "ef82c6465860bf5d76585ed52dd4d2c455b6c27f4599e023349959ff8a1a83d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef82c6465860bf5d76585ed52dd4d2c455b6c27f4599e023349959ff8a1a83d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef82c6465860bf5d76585ed52dd4d2c455b6c27f4599e023349959ff8a1a83d9", kill_on_drop: false }`
[INFO] [stdout] ef82c6465860bf5d76585ed52dd4d2c455b6c27f4599e023349959ff8a1a83d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bcf23756ca5a01b108d44c3245feb9c65f763e8fdfc4a75b03f048abde36c84
[INFO] running `Command { std: "docker" "start" "-a" "6bcf23756ca5a01b108d44c3245feb9c65f763e8fdfc4a75b03f048abde36c84", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling cairo-rs v0.6.0
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling pango v0.6.0
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling pangocairo v0.7.0
[INFO] [stderr]    Compiling knurling v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling glib-sys v0.8.0
[INFO] [stderr]    Compiling gobject-sys v0.8.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.8.0
[INFO] [stderr]    Compiling pango-sys v0.8.0
[INFO] [stderr]    Compiling x11 v2.18.1
[INFO] [stderr]    Compiling pangocairo-sys v0.9.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking glib v0.7.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking toml v0.5.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/main.rs:51:50
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let window_fds: Vec<i32> = ws.iter_mut().map({ |w| w.get_fd() }).collect();
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/main.rs:51:50
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let window_fds: Vec<i32> = ws.iter_mut().map({ |w| w.get_fd() }).collect();
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` 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 13.19s
[INFO] running `Command { std: "docker" "inspect" "6bcf23756ca5a01b108d44c3245feb9c65f763e8fdfc4a75b03f048abde36c84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bcf23756ca5a01b108d44c3245feb9c65f763e8fdfc4a75b03f048abde36c84", kill_on_drop: false }`
[INFO] [stdout] 6bcf23756ca5a01b108d44c3245feb9c65f763e8fdfc4a75b03f048abde36c84