[INFO] cloning repository https://github.com/SteveBirtles/rust_for_polyglots
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SteveBirtles/rust_for_polyglots" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSteveBirtles%2Frust_for_polyglots", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSteveBirtles%2Frust_for_polyglots'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dfc720c5b211fb49bc60e106ab8daace0a10d11
[INFO] testing SteveBirtles/rust_for_polyglots against master#0d13f6afeba4935499abe0c9a07426c94492c94e for pr-96025
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSteveBirtles%2Frust_for_polyglots" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SteveBirtles/rust_for_polyglots on toolchain 0d13f6afeba4935499abe0c9a07426c94492c94e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SteveBirtles/rust_for_polyglots
[INFO] finished tweaking git repo https://github.com/SteveBirtles/rust_for_polyglots
[INFO] tweaked toml for git repo https://github.com/SteveBirtles/rust_for_polyglots written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/SteveBirtles/rust_for_polyglots already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f76e45bbb5525cc65e68b0d4151ed34c6ef6fbaaca6e4461e6d06c561bca56ec
[INFO] running `Command { std: "docker" "start" "-a" "f76e45bbb5525cc65e68b0d4151ed34c6ef6fbaaca6e4461e6d06c561bca56ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f76e45bbb5525cc65e68b0d4151ed34c6ef6fbaaca6e4461e6d06c561bca56ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76e45bbb5525cc65e68b0d4151ed34c6ef6fbaaca6e4461e6d06c561bca56ec", kill_on_drop: false }`
[INFO] [stdout] f76e45bbb5525cc65e68b0d4151ed34c6ef6fbaaca6e4461e6d06c561bca56ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e438710f861c82932b6e46c9dc3b9328c28cf90910c818f90f688f48342029d
[INFO] running `Command { std: "docker" "start" "-a" "7e438710f861c82932b6e46c9dc3b9328c28cf90910c818f90f688f48342029d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling rust_for_polyglots v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "7e438710f861c82932b6e46c9dc3b9328c28cf90910c818f90f688f48342029d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e438710f861c82932b6e46c9dc3b9328c28cf90910c818f90f688f48342029d", kill_on_drop: false }`
[INFO] [stdout] 7e438710f861c82932b6e46c9dc3b9328c28cf90910c818f90f688f48342029d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c66a99aa0244e2db390b74a119b8196487d47bbe68d83906ff14b7af335f62e
[INFO] running `Command { std: "docker" "start" "-a" "9c66a99aa0244e2db390b74a119b8196487d47bbe68d83906ff14b7af335f62e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_for_polyglots v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.58s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_for_polyglots-d25377bdfa179326)
[INFO] running `Command { std: "docker" "inspect" "9c66a99aa0244e2db390b74a119b8196487d47bbe68d83906ff14b7af335f62e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c66a99aa0244e2db390b74a119b8196487d47bbe68d83906ff14b7af335f62e", kill_on_drop: false }`
[INFO] [stdout] 9c66a99aa0244e2db390b74a119b8196487d47bbe68d83906ff14b7af335f62e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c6d37884f3593f6a0efb7c492171a2bfbc5b6aa2dc96ab2f2cf7fe89df3b3e2
[INFO] running `Command { std: "docker" "start" "-a" "9c6d37884f3593f6a0efb7c492171a2bfbc5b6aa2dc96ab2f2cf7fe89df3b3e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_for_polyglots-d25377bdfa179326)
[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" "9c6d37884f3593f6a0efb7c492171a2bfbc5b6aa2dc96ab2f2cf7fe89df3b3e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c6d37884f3593f6a0efb7c492171a2bfbc5b6aa2dc96ab2f2cf7fe89df3b3e2", kill_on_drop: false }`
[INFO] [stdout] 9c6d37884f3593f6a0efb7c492171a2bfbc5b6aa2dc96ab2f2cf7fe89df3b3e2