[INFO] fetching crate mp2c 0.1.2...
[INFO] testing mp2c-0.1.2 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate mp2c 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mp2c 0.1.2 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mp2c 0.1.2
[INFO] finished tweaking crates.io crate mp2c 0.1.2
[INFO] tweaked toml for crates.io crate mp2c 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4321ef93c82d9fd17c2c0b7b6586c0b1d775230ca71d71a92c1ef51a21936d0f
[INFO] running `Command { std: "docker" "start" "-a" "4321ef93c82d9fd17c2c0b7b6586c0b1d775230ca71d71a92c1ef51a21936d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4321ef93c82d9fd17c2c0b7b6586c0b1d775230ca71d71a92c1ef51a21936d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4321ef93c82d9fd17c2c0b7b6586c0b1d775230ca71d71a92c1ef51a21936d0f", kill_on_drop: false }`
[INFO] [stdout] 4321ef93c82d9fd17c2c0b7b6586c0b1d775230ca71d71a92c1ef51a21936d0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1831ae1df8fcc0e981ea256fce41394f2255b6ba4f0b1c9f564b531ff04d7ab
[INFO] running `Command { std: "docker" "start" "-a" "d1831ae1df8fcc0e981ea256fce41394f2255b6ba4f0b1c9f564b531ff04d7ab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mp2c v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "d1831ae1df8fcc0e981ea256fce41394f2255b6ba4f0b1c9f564b531ff04d7ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1831ae1df8fcc0e981ea256fce41394f2255b6ba4f0b1c9f564b531ff04d7ab", kill_on_drop: false }`
[INFO] [stdout] d1831ae1df8fcc0e981ea256fce41394f2255b6ba4f0b1c9f564b531ff04d7ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfe75fe8a4f5d4053f35e000edaa9b9d814c5714786249800b44fee246f63d43
[INFO] running `Command { std: "docker" "start" "-a" "dfe75fe8a4f5d4053f35e000edaa9b9d814c5714786249800b44fee246f63d43", kill_on_drop: false }`
[INFO] [stderr]    Compiling mp2c v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "dfe75fe8a4f5d4053f35e000edaa9b9d814c5714786249800b44fee246f63d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe75fe8a4f5d4053f35e000edaa9b9d814c5714786249800b44fee246f63d43", kill_on_drop: false }`
[INFO] [stdout] dfe75fe8a4f5d4053f35e000edaa9b9d814c5714786249800b44fee246f63d43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 841317f88e428e956cdd35a4235c3981f288fe5c1d9ed227ffbc1b47e2727fcf
[INFO] running `Command { std: "docker" "start" "-a" "841317f88e428e956cdd35a4235c3981f288fe5c1d9ed227ffbc1b47e2727fcf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mp2c-f3351304452c2e73)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test asynch::tests::multi_producer ... ok
[INFO] [stderr]    Doc-tests mp2c
[INFO] [stdout] test asynch::tests::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/asynch.rs - asynch::Carousel (line 128) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "841317f88e428e956cdd35a4235c3981f288fe5c1d9ed227ffbc1b47e2727fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "841317f88e428e956cdd35a4235c3981f288fe5c1d9ed227ffbc1b47e2727fcf", kill_on_drop: false }`
[INFO] [stdout] 841317f88e428e956cdd35a4235c3981f288fe5c1d9ed227ffbc1b47e2727fcf