[INFO] cloning repository https://github.com/dxrcy/mcrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dxrcy/mcrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdxrcy%2Fmcrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdxrcy%2Fmcrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef739e5091c5d23d2fc2b7017d19d8a464f3f84c
[INFO] building dxrcy/mcrs against master#f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9 for pr-137044-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdxrcy%2Fmcrs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dxrcy/mcrs on toolchain f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dxrcy/mcrs
[INFO] finished tweaking git repo https://github.com/dxrcy/mcrs
[INFO] tweaked toml for git repo https://github.com/dxrcy/mcrs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dxrcy/mcrs 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" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5af513b39aa1fad4c5dc098ebe7c6a28f39fad080300ef60c1783571c07cef49
[INFO] running `Command { std: "docker" "start" "-a" "5af513b39aa1fad4c5dc098ebe7c6a28f39fad080300ef60c1783571c07cef49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5af513b39aa1fad4c5dc098ebe7c6a28f39fad080300ef60c1783571c07cef49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5af513b39aa1fad4c5dc098ebe7c6a28f39fad080300ef60c1783571c07cef49", kill_on_drop: false }`
[INFO] [stdout] 5af513b39aa1fad4c5dc098ebe7c6a28f39fad080300ef60c1783571c07cef49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc3516fbf5b7bcce25d601432e7ee598c873cfcd61cbdecc09bb124ee34a0539
[INFO] running `Command { std: "docker" "start" "-a" "cc3516fbf5b7bcce25d601432e7ee598c873cfcd61cbdecc09bb124ee34a0539", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcrs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "cc3516fbf5b7bcce25d601432e7ee598c873cfcd61cbdecc09bb124ee34a0539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc3516fbf5b7bcce25d601432e7ee598c873cfcd61cbdecc09bb124ee34a0539", kill_on_drop: false }`
[INFO] [stdout] cc3516fbf5b7bcce25d601432e7ee598c873cfcd61cbdecc09bb124ee34a0539
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4b4f402f62b71f6358dc5e9e2d51265dccecafcc87c24356d7e612aaf5bd8a2
[INFO] running `Command { std: "docker" "start" "-a" "b4b4f402f62b71f6358dc5e9e2d51265dccecafcc87c24356d7e612aaf5bd8a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcrs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "b4b4f402f62b71f6358dc5e9e2d51265dccecafcc87c24356d7e612aaf5bd8a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4b4f402f62b71f6358dc5e9e2d51265dccecafcc87c24356d7e612aaf5bd8a2", kill_on_drop: false }`
[INFO] [stdout] b4b4f402f62b71f6358dc5e9e2d51265dccecafcc87c24356d7e612aaf5bd8a2