[INFO] cloning repository https://github.com/uloing/rust_collections_sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uloing/rust_collections_sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuloing%2Frust_collections_sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuloing%2Frust_collections_sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2e926a01d315ae71648304804872d1e000d43b9
[INFO] testing uloing/rust_collections_sample against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuloing%2Frust_collections_sample" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uloing/rust_collections_sample on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/uloing/rust_collections_sample
[INFO] finished tweaking git repo https://github.com/uloing/rust_collections_sample
[INFO] tweaked toml for git repo https://github.com/uloing/rust_collections_sample written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/uloing/rust_collections_sample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9fcf6d309c8cf8c1ccbacf0e1bd86b52ffc1d53aa09d76f23c3cd375ee202dd
[INFO] running `Command { std: "docker" "start" "-a" "f9fcf6d309c8cf8c1ccbacf0e1bd86b52ffc1d53aa09d76f23c3cd375ee202dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9fcf6d309c8cf8c1ccbacf0e1bd86b52ffc1d53aa09d76f23c3cd375ee202dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9fcf6d309c8cf8c1ccbacf0e1bd86b52ffc1d53aa09d76f23c3cd375ee202dd", kill_on_drop: false }`
[INFO] [stdout] f9fcf6d309c8cf8c1ccbacf0e1bd86b52ffc1d53aa09d76f23c3cd375ee202dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 343a5eef8f8eeb74313285788cf1312d40b93e7f9f4f5fdd84bb5407ec299fb7
[INFO] running `Command { std: "docker" "start" "-a" "343a5eef8f8eeb74313285788cf1312d40b93e7f9f4f5fdd84bb5407ec299fb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "343a5eef8f8eeb74313285788cf1312d40b93e7f9f4f5fdd84bb5407ec299fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "343a5eef8f8eeb74313285788cf1312d40b93e7f9f4f5fdd84bb5407ec299fb7", kill_on_drop: false }`
[INFO] [stdout] 343a5eef8f8eeb74313285788cf1312d40b93e7f9f4f5fdd84bb5407ec299fb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 530b94851a6cf223ef956a58fbea346474a3a70ee20e5227d773bdb03bd1f5a7
[INFO] running `Command { std: "docker" "start" "-a" "530b94851a6cf223ef956a58fbea346474a3a70ee20e5227d773bdb03bd1f5a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "530b94851a6cf223ef956a58fbea346474a3a70ee20e5227d773bdb03bd1f5a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "530b94851a6cf223ef956a58fbea346474a3a70ee20e5227d773bdb03bd1f5a7", kill_on_drop: false }`
[INFO] [stdout] 530b94851a6cf223ef956a58fbea346474a3a70ee20e5227d773bdb03bd1f5a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c8319636b48ffeb9e63b78964ef36c3edf0a4b367f95c0f777aebe228b12159c
[INFO] running `Command { std: "docker" "start" "-a" "c8319636b48ffeb9e63b78964ef36c3edf0a4b367f95c0f777aebe228b12159c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/collections-fa45a099985a6cd1)
[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" "c8319636b48ffeb9e63b78964ef36c3edf0a4b367f95c0f777aebe228b12159c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8319636b48ffeb9e63b78964ef36c3edf0a4b367f95c0f777aebe228b12159c", kill_on_drop: false }`
[INFO] [stdout] c8319636b48ffeb9e63b78964ef36c3edf0a4b367f95c0f777aebe228b12159c