[INFO] cloning repository https://github.com/kcculhwch/lovett
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kcculhwch/lovett" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkcculhwch%2Flovett", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkcculhwch%2Flovett'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f3158a78001588a6f14e10286c6e9892604810d
[INFO] building kcculhwch/lovett against try#9a3ef2cd3ecaae3c6ef59768612837d797602a6d for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkcculhwch%2Flovett" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kcculhwch/lovett on toolchain 9a3ef2cd3ecaae3c6ef59768612837d797602a6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kcculhwch/lovett
[INFO] finished tweaking git repo https://github.com/kcculhwch/lovett
[INFO] tweaked toml for git repo https://github.com/kcculhwch/lovett written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kcculhwch/lovett already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "fetch" "--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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87014d7387b0b11f89b68b0fbcaaae63b60e4a475cccf08e845262b0f614460e
[INFO] running `Command { std: "docker" "start" "-a" "87014d7387b0b11f89b68b0fbcaaae63b60e4a475cccf08e845262b0f614460e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87014d7387b0b11f89b68b0fbcaaae63b60e4a475cccf08e845262b0f614460e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87014d7387b0b11f89b68b0fbcaaae63b60e4a475cccf08e845262b0f614460e", kill_on_drop: false }`
[INFO] [stdout] 87014d7387b0b11f89b68b0fbcaaae63b60e4a475cccf08e845262b0f614460e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3e46e5c9663ff97f514752f0fc62d9e739abe752d0e153cad8b9b19c8cbadd7
[INFO] running `Command { std: "docker" "start" "-a" "b3e46e5c9663ff97f514752f0fc62d9e739abe752d0e153cad8b9b19c8cbadd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling ttf-parser v0.8.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.3
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling xi-unicode v0.2.1
[INFO] [stderr]    Compiling tiff v0.5.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling rppal v0.11.3
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling framebuffer v0.2.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling owned_ttf_parser v0.8.0
[INFO] [stderr]    Compiling ab_glyph v0.2.5
[INFO] [stderr]    Compiling glyph_brush_layout v0.2.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling glyph_brush_draw_cache v0.1.3
[INFO] [stderr]    Compiling image v0.23.9
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling lovett v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/window_viewer/mod.rs:132:23
[INFO] [stdout]     |
[INFO] [stdout] 132 |             Err(_) => (false)
[INFO] [stdout]     |                       ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 132 -             Err(_) => (false)
[INFO] [stdout] 132 +             Err(_) => false
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.78s
[INFO] running `Command { std: "docker" "inspect" "b3e46e5c9663ff97f514752f0fc62d9e739abe752d0e153cad8b9b19c8cbadd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3e46e5c9663ff97f514752f0fc62d9e739abe752d0e153cad8b9b19c8cbadd7", kill_on_drop: false }`
[INFO] [stdout] b3e46e5c9663ff97f514752f0fc62d9e739abe752d0e153cad8b9b19c8cbadd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f416a9d34907c6f56885e5027e112d7e081f6fb8a58bcb2af094d21aa01373fb
[INFO] running `Command { std: "docker" "start" "-a" "f416a9d34907c6f56885e5027e112d7e081f6fb8a58bcb2af094d21aa01373fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling lovett v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/window_viewer/mod.rs:132:23
[INFO] [stdout]     |
[INFO] [stdout] 132 |             Err(_) => (false)
[INFO] [stdout]     |                       ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 132 -             Err(_) => (false)
[INFO] [stdout] 132 +             Err(_) => false
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/window_viewer/mod.rs:132:23
[INFO] [stdout]     |
[INFO] [stdout] 132 |             Err(_) => (false)
[INFO] [stdout]     |                       ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 132 -             Err(_) => (false)
[INFO] [stdout] 132 +             Err(_) => false
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "f416a9d34907c6f56885e5027e112d7e081f6fb8a58bcb2af094d21aa01373fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f416a9d34907c6f56885e5027e112d7e081f6fb8a58bcb2af094d21aa01373fb", kill_on_drop: false }`
[INFO] [stdout] f416a9d34907c6f56885e5027e112d7e081f6fb8a58bcb2af094d21aa01373fb