[INFO] cloning repository https://github.com/sts10/rusty-tac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sts10/rusty-tac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Frusty-tac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Frusty-tac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f241313840122334d56c565bfd32686460471fc
[INFO] checking sts10/rusty-tac against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Frusty-tac" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sts10/rusty-tac on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sts10/rusty-tac
[INFO] finished tweaking git repo https://github.com/sts10/rusty-tac
[INFO] tweaked toml for git repo https://github.com/sts10/rusty-tac written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/sts10/rusty-tac already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e28abf983b03527da6dc4c6302804bccf3da1c68e26a1d6d17a6262e3cb6b395
[INFO] running `Command { std: "docker" "start" "-a" "e28abf983b03527da6dc4c6302804bccf3da1c68e26a1d6d17a6262e3cb6b395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e28abf983b03527da6dc4c6302804bccf3da1c68e26a1d6d17a6262e3cb6b395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e28abf983b03527da6dc4c6302804bccf3da1c68e26a1d6d17a6262e3cb6b395", kill_on_drop: false }`
[INFO] [stdout] e28abf983b03527da6dc4c6302804bccf3da1c68e26a1d6d17a6262e3cb6b395
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9aa95e4a09da3ab983919c9d6cc4f509a57eb962c76d09aec3dfd8ce30f26d35
[INFO] running `Command { std: "docker" "start" "-a" "9aa95e4a09da3ab983919c9d6cc4f509a57eb962c76d09aec3dfd8ce30f26d35", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking rusty_tac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "9aa95e4a09da3ab983919c9d6cc4f509a57eb962c76d09aec3dfd8ce30f26d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aa95e4a09da3ab983919c9d6cc4f509a57eb962c76d09aec3dfd8ce30f26d35", kill_on_drop: false }`
[INFO] [stdout] 9aa95e4a09da3ab983919c9d6cc4f509a57eb962c76d09aec3dfd8ce30f26d35