[INFO] fetching crate rbuf 0.1.1...
[INFO] testing rbuf-0.1.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate rbuf 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rbuf 0.1.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rbuf 0.1.1
[INFO] finished tweaking crates.io crate rbuf 0.1.1
[INFO] tweaked toml for crates.io crate rbuf 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f84f6321b96af27886f6e0371bf49c9f9ef14979f7bd39a7058af2f90158efa1
[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" "f84f6321b96af27886f6e0371bf49c9f9ef14979f7bd39a7058af2f90158efa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f84f6321b96af27886f6e0371bf49c9f9ef14979f7bd39a7058af2f90158efa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84f6321b96af27886f6e0371bf49c9f9ef14979f7bd39a7058af2f90158efa1", kill_on_drop: false }`
[INFO] [stdout] f84f6321b96af27886f6e0371bf49c9f9ef14979f7bd39a7058af2f90158efa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 7f53f52abcd7ecd8b813760cde74ad5c1742a5c6fe1fe8dd6a3c112bf10e9c1b
[INFO] running `Command { std: "docker" "start" "-a" "7f53f52abcd7ecd8b813760cde74ad5c1742a5c6fe1fe8dd6a3c112bf10e9c1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbuf v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "7f53f52abcd7ecd8b813760cde74ad5c1742a5c6fe1fe8dd6a3c112bf10e9c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f53f52abcd7ecd8b813760cde74ad5c1742a5c6fe1fe8dd6a3c112bf10e9c1b", kill_on_drop: false }`
[INFO] [stdout] 7f53f52abcd7ecd8b813760cde74ad5c1742a5c6fe1fe8dd6a3c112bf10e9c1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--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] 62061ff3b0f9ea066b359516e99a0e99725f9435a431740752a598e32ede6d49
[INFO] running `Command { std: "docker" "start" "-a" "62061ff3b0f9ea066b359516e99a0e99725f9435a431740752a598e32ede6d49", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbuf v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "62061ff3b0f9ea066b359516e99a0e99725f9435a431740752a598e32ede6d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62061ff3b0f9ea066b359516e99a0e99725f9435a431740752a598e32ede6d49", kill_on_drop: false }`
[INFO] [stdout] 62061ff3b0f9ea066b359516e99a0e99725f9435a431740752a598e32ede6d49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 61c3278f3557b8520514838177fddadaf5a32ecc32be1a382bdb71316a8ac2f8
[INFO] running `Command { std: "docker" "start" "-a" "61c3278f3557b8520514838177fddadaf5a32ecc32be1a382bdb71316a8ac2f8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rbuf-0a9d319f170be538)
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-efb4dd9123f5ceb1)
[INFO] [stdout] test tests::buf_index ... ok
[INFO] [stdout] test tests::front_back ... ok
[INFO] [stdout] test tests::double_ended_iter ... ok
[INFO] [stdout] test tests::iter_next ... ok
[INFO] [stdout] test tests::iter_size_hint ... ok
[INFO] [stdout] test tests::buf_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rbuf
[INFO] [stdout] test ring_buf_macro ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "61c3278f3557b8520514838177fddadaf5a32ecc32be1a382bdb71316a8ac2f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61c3278f3557b8520514838177fddadaf5a32ecc32be1a382bdb71316a8ac2f8", kill_on_drop: false }`
[INFO] [stdout] 61c3278f3557b8520514838177fddadaf5a32ecc32be1a382bdb71316a8ac2f8