[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] testing aisamanra/knurling against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faisamanra%2Fknurling" "/workspace/builds/worker-65/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-65/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aisamanra/knurling on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-65/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c33c878f31b9393d9c5c39b5849935f1fe6c5ba1b13fddd3bcc6a34f846469c0
[INFO] running `Command { std: "docker" "start" "-a" "c33c878f31b9393d9c5c39b5849935f1fe6c5ba1b13fddd3bcc6a34f846469c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c33c878f31b9393d9c5c39b5849935f1fe6c5ba1b13fddd3bcc6a34f846469c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c33c878f31b9393d9c5c39b5849935f1fe6c5ba1b13fddd3bcc6a34f846469c0", kill_on_drop: false }`
[INFO] [stdout] c33c878f31b9393d9c5c39b5849935f1fe6c5ba1b13fddd3bcc6a34f846469c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dbe28f9c39cf4fe1d8d3979ff506cbf108984b40f2d9eebabe242749e1a045e
[INFO] running `Command { std: "docker" "start" "-a" "6dbe28f9c39cf4fe1d8d3979ff506cbf108984b40f2d9eebabe242749e1a045e", 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 syn v0.15.29
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling cairo-rs v0.6.0
[INFO] [stderr]    Compiling pango v0.6.0
[INFO] [stderr]    Compiling pangocairo v0.7.0
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling knurling v0.1.0 (/opt/rustwide/workdir)
[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]    Compiling time v0.1.42
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling glib v0.7.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling toml v0.5.1
[INFO] [stderr]    Compiling 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]    |                                                  ^^              ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 51 -     let window_fds: Vec<i32> = ws.iter_mut().map({ |w| w.get_fd() }).collect();
[INFO] [stdout] 51 +     let window_fds: Vec<i32> = ws.iter_mut().map(|w| w.get_fd()).collect();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.99s
[INFO] running `Command { std: "docker" "inspect" "6dbe28f9c39cf4fe1d8d3979ff506cbf108984b40f2d9eebabe242749e1a045e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dbe28f9c39cf4fe1d8d3979ff506cbf108984b40f2d9eebabe242749e1a045e", kill_on_drop: false }`
[INFO] [stdout] 6dbe28f9c39cf4fe1d8d3979ff506cbf108984b40f2d9eebabe242749e1a045e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dea0143c424ef5913af9d62617faece96253248f89d393cc3f92b227713f40c1
[INFO] running `Command { std: "docker" "start" "-a" "dea0143c424ef5913af9d62617faece96253248f89d393cc3f92b227713f40c1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling knurling v0.1.0 (/opt/rustwide/workdir)
[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]    |                                                  ^^              ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 51 -     let window_fds: Vec<i32> = ws.iter_mut().map({ |w| w.get_fd() }).collect();
[INFO] [stdout] 51 +     let window_fds: Vec<i32> = ws.iter_mut().map(|w| w.get_fd()).collect();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.99s
[INFO] running `Command { std: "docker" "inspect" "dea0143c424ef5913af9d62617faece96253248f89d393cc3f92b227713f40c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dea0143c424ef5913af9d62617faece96253248f89d393cc3f92b227713f40c1", kill_on_drop: false }`
[INFO] [stdout] dea0143c424ef5913af9d62617faece96253248f89d393cc3f92b227713f40c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b02b12b542d8b6ecf1d8ef8dbb25c8b948e815331ab90a9baaf74ec32ed45076
[INFO] running `Command { std: "docker" "start" "-a" "b02b12b542d8b6ecf1d8ef8dbb25c8b948e815331ab90a9baaf74ec32ed45076", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> src/main.rs:51:50
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let window_fds: Vec<i32> = ws.iter_mut().map({ |w| w.get_fd() }).collect();
[INFO] [stderr]    |                                                  ^^              ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 51 -     let window_fds: Vec<i32> = ws.iter_mut().map({ |w| w.get_fd() }).collect();
[INFO] [stderr] 51 +     let window_fds: Vec<i32> = ws.iter_mut().map(|w| w.get_fd()).collect();
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `knurling` (bin "knurling" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/knurling-0b2518768cfd7fb9)
[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" "b02b12b542d8b6ecf1d8ef8dbb25c8b948e815331ab90a9baaf74ec32ed45076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02b12b542d8b6ecf1d8ef8dbb25c8b948e815331ab90a9baaf74ec32ed45076", kill_on_drop: false }`
[INFO] [stdout] b02b12b542d8b6ecf1d8ef8dbb25c8b948e815331ab90a9baaf74ec32ed45076