[INFO] cloning repository https://github.com/nikhilm/rustc-worker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikhilm/rustc-worker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilm%2Frustc-worker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilm%2Frustc-worker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3bf8e4524d39d703f9a86448d22bf9acd246cb6
[INFO] testing nikhilm/rustc-worker against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilm%2Frustc-worker" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nikhilm/rustc-worker on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nikhilm/rustc-worker
[INFO] finished tweaking git repo https://github.com/nikhilm/rustc-worker
[INFO] tweaked toml for git repo https://github.com/nikhilm/rustc-worker written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/nikhilm/rustc-worker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protobuf v2.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fac1f42fbf8a2b5073636515d41703f320c7772e9010e578ce4930c2098a6a7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8fac1f42fbf8a2b5073636515d41703f320c7772e9010e578ce4930c2098a6a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fac1f42fbf8a2b5073636515d41703f320c7772e9010e578ce4930c2098a6a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fac1f42fbf8a2b5073636515d41703f320c7772e9010e578ce4930c2098a6a7", kill_on_drop: false }`
[INFO] [stdout] 8fac1f42fbf8a2b5073636515d41703f320c7772e9010e578ce4930c2098a6a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] afa68f12105beb3f49b4eaf51382e374b04638b9ea81d325bdcd2e7f89ab6ddd
[INFO] running `Command { std: "docker" "start" "-a" "afa68f12105beb3f49b4eaf51382e374b04638b9ea81d325bdcd2e7f89ab6ddd", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.8.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rustc-worker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.90s
[INFO] running `Command { std: "docker" "inspect" "afa68f12105beb3f49b4eaf51382e374b04638b9ea81d325bdcd2e7f89ab6ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa68f12105beb3f49b4eaf51382e374b04638b9ea81d325bdcd2e7f89ab6ddd", kill_on_drop: false }`
[INFO] [stdout] afa68f12105beb3f49b4eaf51382e374b04638b9ea81d325bdcd2e7f89ab6ddd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 527fd8c4e949b66e4981facb9c0666d7a66917805305635497f4e02214f9eb4a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "527fd8c4e949b66e4981facb9c0666d7a66917805305635497f4e02214f9eb4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-worker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "527fd8c4e949b66e4981facb9c0666d7a66917805305635497f4e02214f9eb4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "527fd8c4e949b66e4981facb9c0666d7a66917805305635497f4e02214f9eb4a", kill_on_drop: false }`
[INFO] [stdout] 527fd8c4e949b66e4981facb9c0666d7a66917805305635497f4e02214f9eb4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 551b4d5a2ea0a11a313c008c02bbea5fabb5a87d23f4d27f49b4642c5f2018f2
[INFO] running `Command { std: "docker" "start" "-a" "551b4d5a2ea0a11a313c008c02bbea5fabb5a87d23f4d27f49b4642c5f2018f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustc_worker-7ddc8626996fc281)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_eof ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustc_worker-992b35164b83a93c)
[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] [stderr]    Doc-tests rustc-worker
[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" "551b4d5a2ea0a11a313c008c02bbea5fabb5a87d23f4d27f49b4642c5f2018f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551b4d5a2ea0a11a313c008c02bbea5fabb5a87d23f4d27f49b4642c5f2018f2", kill_on_drop: false }`
[INFO] [stdout] 551b4d5a2ea0a11a313c008c02bbea5fabb5a87d23f4d27f49b4642c5f2018f2