[INFO] cloning repository https://github.com/Unary-Byte-Software/Composition
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Unary-Byte-Software/Composition" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnary-Byte-Software%2FComposition", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnary-Byte-Software%2FComposition'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bd701b41a91cbf74f3d9458d31ed17d4a0ee112
[INFO] checking Unary-Byte-Software/Composition against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnary-Byte-Software%2FComposition" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Unary-Byte-Software/Composition on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Unary-Byte-Software/Composition
[INFO] finished tweaking git repo https://github.com/Unary-Byte-Software/Composition
[INFO] tweaked toml for git repo https://github.com/Unary-Byte-Software/Composition written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Unary-Byte-Software/Composition already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colored v1.9.3
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded nix v0.20.0
[INFO] [stderr]   Downloaded ctrlc v3.1.8
[INFO] [stderr]   Downloaded radix64 v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 516b956e8083b47c84710175de0ade018885898fc4e0fad06921ec1d11b4a508
[INFO] running `Command { std: "docker" "start" "-a" "516b956e8083b47c84710175de0ade018885898fc4e0fad06921ec1d11b4a508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "516b956e8083b47c84710175de0ade018885898fc4e0fad06921ec1d11b4a508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "516b956e8083b47c84710175de0ade018885898fc4e0fad06921ec1d11b4a508", kill_on_drop: false }`
[INFO] [stdout] 516b956e8083b47c84710175de0ade018885898fc4e0fad06921ec1d11b4a508
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89689f7d8ec9c97cc34b495ee2000d7d1efb7b8dad0e34b96eef02bdffcefd47
[INFO] running `Command { std: "docker" "start" "-a" "89689f7d8ec9c97cc34b495ee2000d7d1efb7b8dad0e34b96eef02bdffcefd47", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking once_cell v1.7.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]     Checking radix64 v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking ctrlc v3.1.8
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking composition v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.52s
[INFO] running `Command { std: "docker" "inspect" "89689f7d8ec9c97cc34b495ee2000d7d1efb7b8dad0e34b96eef02bdffcefd47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89689f7d8ec9c97cc34b495ee2000d7d1efb7b8dad0e34b96eef02bdffcefd47", kill_on_drop: false }`
[INFO] [stdout] 89689f7d8ec9c97cc34b495ee2000d7d1efb7b8dad0e34b96eef02bdffcefd47