[INFO] fetching crate x42ltc 0.0.5...
[INFO] testing x42ltc-0.0.5 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate x42ltc 0.0.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate x42ltc 0.0.5 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 x42ltc 0.0.5
[INFO] finished tweaking crates.io crate x42ltc 0.0.5
[INFO] tweaked toml for crates.io crate x42ltc 0.0.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate x42ltc 0.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9618230703c6ece7bf984d4fa4b4e7c689545f907ac67551757b92ed4bf2fe0d
[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" "9618230703c6ece7bf984d4fa4b4e7c689545f907ac67551757b92ed4bf2fe0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9618230703c6ece7bf984d4fa4b4e7c689545f907ac67551757b92ed4bf2fe0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9618230703c6ece7bf984d4fa4b4e7c689545f907ac67551757b92ed4bf2fe0d", kill_on_drop: false }`
[INFO] [stdout] 9618230703c6ece7bf984d4fa4b4e7c689545f907ac67551757b92ed4bf2fe0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] db9e6dc96576c0d1c7ec09c6c68cdb881fc24b95a42906f6bd3d4dc2fe1460f6
[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" "db9e6dc96576c0d1c7ec09c6c68cdb881fc24b95a42906f6bd3d4dc2fe1460f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling x42ltc-sys v0.0.5
[INFO] [stderr]    Compiling x42ltc v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "db9e6dc96576c0d1c7ec09c6c68cdb881fc24b95a42906f6bd3d4dc2fe1460f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db9e6dc96576c0d1c7ec09c6c68cdb881fc24b95a42906f6bd3d4dc2fe1460f6", kill_on_drop: false }`
[INFO] [stdout] db9e6dc96576c0d1c7ec09c6c68cdb881fc24b95a42906f6bd3d4dc2fe1460f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 217e1fb8dfc56af63356584227cd81b8804301dbed6a3bd225e8654cfd73be88
[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" "217e1fb8dfc56af63356584227cd81b8804301dbed6a3bd225e8654cfd73be88", kill_on_drop: false }`
[INFO] [stderr]    Compiling x42ltc v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "217e1fb8dfc56af63356584227cd81b8804301dbed6a3bd225e8654cfd73be88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "217e1fb8dfc56af63356584227cd81b8804301dbed6a3bd225e8654cfd73be88", kill_on_drop: false }`
[INFO] [stdout] 217e1fb8dfc56af63356584227cd81b8804301dbed6a3bd225e8654cfd73be88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 8d60da2faea3abcdfa5909fa8fbd37bc33f918191af6404438dd73f0480cdc7f
[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" "8d60da2faea3abcdfa5909fa8fbd37bc33f918191af6404438dd73f0480cdc7f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/x42ltc-4670e5efd530a247)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::encoder_reinitialization_fails_if_internal_buffer_is_too_small ... ok
[INFO] [stdout] test tests::encoder_out_of_range_volume_errors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ltcgenerator-298e0e46fb671c80)
[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 x42ltc
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - Encoder::set_buffer_size (line 298) ... ok
[INFO] [stdout] test src/lib.rs - Decoder::new (line 43) ... ok
[INFO] [stdout] test src/lib.rs - Encoder::new (line 77) ... ok
[INFO] [stdout] test src/lib.rs - Encoder::get_buffer_size (line 201) ... ok
[INFO] [stdout] test src/lib.rs - Encoder::set_user_bits (line 344) ... ok
[INFO] [stdout] test src/lib.rs - Encoder::get_buffer (line 166) ... ok
[INFO] [stdout] test src/lib.rs - Encoder::get_user_bits (line 214) ... ok
[INFO] [stdout] test src/lib.rs - Encoder::set_filter (line 326) ... ok
[INFO] [stdout] test src/lib.rs - Encoder::reinitialize (line 251) ... ok
[INFO] [stdout] test src/lib.rs - Encoder::copy_audio_to_buffer (line 142) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8d60da2faea3abcdfa5909fa8fbd37bc33f918191af6404438dd73f0480cdc7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d60da2faea3abcdfa5909fa8fbd37bc33f918191af6404438dd73f0480cdc7f", kill_on_drop: false }`
[INFO] [stdout] 8d60da2faea3abcdfa5909fa8fbd37bc33f918191af6404438dd73f0480cdc7f