[INFO] cloning repository https://github.com/gregfolker/rust-collections
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gregfolker/rust-collections" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregfolker%2Frust-collections", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregfolker%2Frust-collections'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0902d41e71e13280c2cf3b80fcc577f146626ee4
[INFO] testing gregfolker/rust-collections against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregfolker%2Frust-collections" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gregfolker/rust-collections 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/gregfolker/rust-collections
[INFO] finished tweaking git repo https://github.com/gregfolker/rust-collections
[INFO] tweaked toml for git repo https://github.com/gregfolker/rust-collections written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/gregfolker/rust-collections 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] a50044da1a0e4483b916053b920f16f5c6cbbce365d3f45cc09dbd0be3aaab07
[INFO] running `Command { std: "docker" "start" "-a" "a50044da1a0e4483b916053b920f16f5c6cbbce365d3f45cc09dbd0be3aaab07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a50044da1a0e4483b916053b920f16f5c6cbbce365d3f45cc09dbd0be3aaab07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a50044da1a0e4483b916053b920f16f5c6cbbce365d3f45cc09dbd0be3aaab07", kill_on_drop: false }`
[INFO] [stdout] a50044da1a0e4483b916053b920f16f5c6cbbce365d3f45cc09dbd0be3aaab07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] f8e54f6351c37da77989debc488ebe03bc80169ff79efb03f0001ab03f927241
[INFO] running `Command { std: "docker" "start" "-a" "f8e54f6351c37da77989debc488ebe03bc80169ff79efb03f0001ab03f927241", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.68s
[INFO] running `Command { std: "docker" "inspect" "f8e54f6351c37da77989debc488ebe03bc80169ff79efb03f0001ab03f927241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e54f6351c37da77989debc488ebe03bc80169ff79efb03f0001ab03f927241", kill_on_drop: false }`
[INFO] [stdout] f8e54f6351c37da77989debc488ebe03bc80169ff79efb03f0001ab03f927241
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 06c9b93aa8f27ebe6552d2951a69217baf2e2af65d17db1a48446e1a61859c25
[INFO] running `Command { std: "docker" "start" "-a" "06c9b93aa8f27ebe6552d2951a69217baf2e2af65d17db1a48446e1a61859c25", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "06c9b93aa8f27ebe6552d2951a69217baf2e2af65d17db1a48446e1a61859c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c9b93aa8f27ebe6552d2951a69217baf2e2af65d17db1a48446e1a61859c25", kill_on_drop: false }`
[INFO] [stdout] 06c9b93aa8f27ebe6552d2951a69217baf2e2af65d17db1a48446e1a61859c25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] e3155314131792b692cebeb3bcb21fa74f75d53521fd8a8e35d2b1cdf02d69fb
[INFO] running `Command { std: "docker" "start" "-a" "e3155314131792b692cebeb3bcb21fa74f75d53521fd8a8e35d2b1cdf02d69fb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.39s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_collections-d4504f24297b3e63)
[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" "e3155314131792b692cebeb3bcb21fa74f75d53521fd8a8e35d2b1cdf02d69fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3155314131792b692cebeb3bcb21fa74f75d53521fd8a8e35d2b1cdf02d69fb", kill_on_drop: false }`
[INFO] [stdout] e3155314131792b692cebeb3bcb21fa74f75d53521fd8a8e35d2b1cdf02d69fb