[INFO] fetching crate mpsc_requests 0.3.3...
[INFO] testing mpsc_requests-0.3.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mpsc_requests 0.3.3 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate mpsc_requests 0.3.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mpsc_requests 0.3.3
[INFO] finished tweaking crates.io crate mpsc_requests 0.3.3
[INFO] tweaked toml for crates.io crate mpsc_requests 0.3.3 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate crates.io crate mpsc_requests 0.3.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be7140b20d6443ce0f347b844e93f58e62ec97adac4667878323dc561113fa84
[INFO] running `Command { std: "docker" "start" "-a" "be7140b20d6443ce0f347b844e93f58e62ec97adac4667878323dc561113fa84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be7140b20d6443ce0f347b844e93f58e62ec97adac4667878323dc561113fa84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7140b20d6443ce0f347b844e93f58e62ec97adac4667878323dc561113fa84", kill_on_drop: false }`
[INFO] [stdout] be7140b20d6443ce0f347b844e93f58e62ec97adac4667878323dc561113fa84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6589a7e2830db9b238ddeceefb4310ce0eeebd3ea792bdbc1fa5e38a5261f4a1
[INFO] running `Command { std: "docker" "start" "-a" "6589a7e2830db9b238ddeceefb4310ce0eeebd3ea792bdbc1fa5e38a5261f4a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling mpsc_requests v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "6589a7e2830db9b238ddeceefb4310ce0eeebd3ea792bdbc1fa5e38a5261f4a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6589a7e2830db9b238ddeceefb4310ce0eeebd3ea792bdbc1fa5e38a5261f4a1", kill_on_drop: false }`
[INFO] [stdout] 6589a7e2830db9b238ddeceefb4310ce0eeebd3ea792bdbc1fa5e38a5261f4a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b960f8f5cc8f2f5092adfdad51c90835ac5b75a98272859748a647e385a96b75
[INFO] running `Command { std: "docker" "start" "-a" "b960f8f5cc8f2f5092adfdad51c90835ac5b75a98272859748a647e385a96b75", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mpsc_requests v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.02s
[INFO] running `Command { std: "docker" "inspect" "b960f8f5cc8f2f5092adfdad51c90835ac5b75a98272859748a647e385a96b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b960f8f5cc8f2f5092adfdad51c90835ac5b75a98272859748a647e385a96b75", kill_on_drop: false }`
[INFO] [stdout] b960f8f5cc8f2f5092adfdad51c90835ac5b75a98272859748a647e385a96b75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 898494168bd2bb7de5814bee4b334e8810981a2de63ef827e29a6edf4e67622d
[INFO] running `Command { std: "docker" "start" "-a" "898494168bd2bb7de5814bee4b334e8810981a2de63ef827e29a6edf4e67622d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.61s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mpsc_requests-d49aede95b3f6e81)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-c0de401add27035e)
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_clone ... ok
[INFO] [stdout] test tests::test_echo ... ok
[INFO] [stdout] test tests::test_result ... ok
[INFO] [stdout] test tests::test_wordcount ... ok
[INFO] [stdout] test tests::test_multiple_requesters ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mpsc_requests
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "898494168bd2bb7de5814bee4b334e8810981a2de63ef827e29a6edf4e67622d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "898494168bd2bb7de5814bee4b334e8810981a2de63ef827e29a6edf4e67622d", kill_on_drop: false }`
[INFO] [stdout] 898494168bd2bb7de5814bee4b334e8810981a2de63ef827e29a6edf4e67622d