[INFO] cloning repository https://github.com/bddap/anagram-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bddap/anagram-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbddap%2Fanagram-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbddap%2Fanagram-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3c84d24a08eae564d9d4a0bc73504c5d407ba36
[INFO] checking bddap/anagram-solver against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbddap%2Fanagram-solver" "/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/bddap/anagram-solver on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bddap/anagram-solver
[INFO] finished tweaking git repo https://github.com/bddap/anagram-solver
[INFO] tweaked toml for git repo https://github.com/bddap/anagram-solver written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bddap/anagram-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded reexport-proc-macro v1.0.5
[INFO] [stderr]   Downloaded array-macro v1.0.2
[INFO] [stderr]   Downloaded enum-map-derive v0.4.0
[INFO] [stderr]   Downloaded enum-map v0.4.1
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d65e881f45869be3bf5a3ed3ddd1c9473615860ac6701472661203e98fa2d81
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3d65e881f45869be3bf5a3ed3ddd1c9473615860ac6701472661203e98fa2d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d65e881f45869be3bf5a3ed3ddd1c9473615860ac6701472661203e98fa2d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d65e881f45869be3bf5a3ed3ddd1c9473615860ac6701472661203e98fa2d81", kill_on_drop: false }`
[INFO] [stdout] 3d65e881f45869be3bf5a3ed3ddd1c9473615860ac6701472661203e98fa2d81
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99dac1a79522e962f8d8dfdad45956c89bb9c306efc67c3aeaf67ff27cde5af5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "99dac1a79522e962f8d8dfdad45956c89bb9c306efc67c3aeaf67ff27cde5af5", kill_on_drop: false }`
[INFO] [stderr]     Checking reexport-proc-macro v1.0.5
[INFO] [stderr]     Checking array-macro v1.0.2
[INFO] [stderr]     Checking libflate v0.1.18
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling enum-map-derive v0.4.0
[INFO] [stderr]     Checking enum-map v0.4.1
[INFO] [stderr]     Checking anagram-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.99s
[INFO] running `Command { std: "docker" "inspect" "99dac1a79522e962f8d8dfdad45956c89bb9c306efc67c3aeaf67ff27cde5af5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99dac1a79522e962f8d8dfdad45956c89bb9c306efc67c3aeaf67ff27cde5af5", kill_on_drop: false }`
[INFO] [stdout] 99dac1a79522e962f8d8dfdad45956c89bb9c306efc67c3aeaf67ff27cde5af5