[INFO] cloning repository https://github.com/rkartzman/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rkartzman/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frkartzman%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frkartzman%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78f6a77e257db91f3d19ae26000b780686960fc7
[INFO] testing rkartzman/rust against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frkartzman%2Frust" "/workspace/builds/worker-71/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-71/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rkartzman/rust on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rkartzman/rust
[INFO] finished tweaking git repo https://github.com/rkartzman/rust
[INFO] tweaked toml for git repo https://github.com/rkartzman/rust written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] crate git repo https://github.com/rkartzman/rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38c1270de72d0e71c3d2492e9450f1f722b88e7e22bad2706a0069857601c47e
[INFO] running `Command { std: "docker" "start" "-a" "38c1270de72d0e71c3d2492e9450f1f722b88e7e22bad2706a0069857601c47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38c1270de72d0e71c3d2492e9450f1f722b88e7e22bad2706a0069857601c47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38c1270de72d0e71c3d2492e9450f1f722b88e7e22bad2706a0069857601c47e", kill_on_drop: false }`
[INFO] [stdout] 38c1270de72d0e71c3d2492e9450f1f722b88e7e22bad2706a0069857601c47e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9991d6dc15ac0234792470fa179088e36d8fb9cf0c79795facc01e220e531245
[INFO] running `Command { std: "docker" "start" "-a" "9991d6dc15ac0234792470fa179088e36d8fb9cf0c79795facc01e220e531245", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "9991d6dc15ac0234792470fa179088e36d8fb9cf0c79795facc01e220e531245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9991d6dc15ac0234792470fa179088e36d8fb9cf0c79795facc01e220e531245", kill_on_drop: false }`
[INFO] [stdout] 9991d6dc15ac0234792470fa179088e36d8fb9cf0c79795facc01e220e531245
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc3fc8e67502db7e3f7826615757ad9c37d6eeb83da6a3f98fabfd9dce240602
[INFO] running `Command { std: "docker" "start" "-a" "fc3fc8e67502db7e3f7826615757ad9c37d6eeb83da6a3f98fabfd9dce240602", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "fc3fc8e67502db7e3f7826615757ad9c37d6eeb83da6a3f98fabfd9dce240602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc3fc8e67502db7e3f7826615757ad9c37d6eeb83da6a3f98fabfd9dce240602", kill_on_drop: false }`
[INFO] [stdout] fc3fc8e67502db7e3f7826615757ad9c37d6eeb83da6a3f98fabfd9dce240602
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40074f786bfa04a26ff6d1a231f075126a46b2c3fcde7c5a764224aea3328567
[INFO] running `Command { std: "docker" "start" "-a" "40074f786bfa04a26ff6d1a231f075126a46b2c3fcde7c5a764224aea3328567", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust-f40cf054b3fdc52f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "40074f786bfa04a26ff6d1a231f075126a46b2c3fcde7c5a764224aea3328567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40074f786bfa04a26ff6d1a231f075126a46b2c3fcde7c5a764224aea3328567", kill_on_drop: false }`
[INFO] [stdout] 40074f786bfa04a26ff6d1a231f075126a46b2c3fcde7c5a764224aea3328567