[INFO] cloning repository https://github.com/Matthew-Maclean/stag
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Matthew-Maclean/stag" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthew-Maclean%2Fstag", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthew-Maclean%2Fstag'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6e93621ba3072c161f460ef7e05cbf50ed0b12a
[INFO] checking Matthew-Maclean/stag against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthew-Maclean%2Fstag" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Matthew-Maclean/stag on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Matthew-Maclean/stag
[INFO] finished tweaking git repo https://github.com/Matthew-Maclean/stag
[INFO] tweaked toml for git repo https://github.com/Matthew-Maclean/stag written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Matthew-Maclean/stag already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v1.0.0
[INFO] [stderr]   Downloaded either v1.3.0
[INFO] [stderr]   Downloaded inflate v0.3.3
[INFO] [stderr]   Downloaded libc v0.2.32
[INFO] [stderr]   Downloaded itertools v0.7.1
[INFO] [stderr]   Downloaded rand v0.3.17
[INFO] [stderr]   Downloaded image v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f4c5341d7b01c748617af4232b8577f8b48f9d5211d267d8b1fe32dc18380e5
[INFO] running `Command { std: "docker" "start" "-a" "2f4c5341d7b01c748617af4232b8577f8b48f9d5211d267d8b1fe32dc18380e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f4c5341d7b01c748617af4232b8577f8b48f9d5211d267d8b1fe32dc18380e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4c5341d7b01c748617af4232b8577f8b48f9d5211d267d8b1fe32dc18380e5", kill_on_drop: false }`
[INFO] [stdout] 2f4c5341d7b01c748617af4232b8577f8b48f9d5211d267d8b1fe32dc18380e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04d740ee00a07354af5b31549b85b9a990299855765715aaafa609e4a858abf5
[INFO] running `Command { std: "docker" "start" "-a" "04d740ee00a07354af5b31549b85b9a990299855765715aaafa609e4a858abf5", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking either v1.3.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking bitflags v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.8
[INFO] [stderr]     Checking inflate v0.3.3
[INFO] [stderr]     Checking itertools v0.7.1
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.17.0
[INFO] [stderr]     Checking stag v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.35s
[INFO] running `Command { std: "docker" "inspect" "04d740ee00a07354af5b31549b85b9a990299855765715aaafa609e4a858abf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04d740ee00a07354af5b31549b85b9a990299855765715aaafa609e4a858abf5", kill_on_drop: false }`
[INFO] [stdout] 04d740ee00a07354af5b31549b85b9a990299855765715aaafa609e4a858abf5