[INFO] fetching crate bchannel 0.0.10...
[INFO] testing bchannel-0.0.10 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate bchannel 0.0.10 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bchannel 0.0.10 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 bchannel 0.0.10
[INFO] finished tweaking crates.io crate bchannel 0.0.10
[INFO] tweaked toml for crates.io crate bchannel 0.0.10 written to /workspace/builds/worker-4/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-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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4562a4443a3bccac6fff0c628643412e0f0fc40e2bc8c12d4b46cb9709dfa30
[INFO] running `Command { std: "docker" "start" "-a" "b4562a4443a3bccac6fff0c628643412e0f0fc40e2bc8c12d4b46cb9709dfa30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4562a4443a3bccac6fff0c628643412e0f0fc40e2bc8c12d4b46cb9709dfa30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4562a4443a3bccac6fff0c628643412e0f0fc40e2bc8c12d4b46cb9709dfa30", kill_on_drop: false }`
[INFO] [stdout] b4562a4443a3bccac6fff0c628643412e0f0fc40e2bc8c12d4b46cb9709dfa30
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c23c6b4755b84915ae3232262acc46b37830acc7cd55359b40b9f85f5d39ba01
[INFO] running `Command { std: "docker" "start" "-a" "c23c6b4755b84915ae3232262acc46b37830acc7cd55359b40b9f85f5d39ba01", kill_on_drop: false }`
[INFO] [stderr]    Compiling bchannel v0.0.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "c23c6b4755b84915ae3232262acc46b37830acc7cd55359b40b9f85f5d39ba01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c23c6b4755b84915ae3232262acc46b37830acc7cd55359b40b9f85f5d39ba01", kill_on_drop: false }`
[INFO] [stdout] c23c6b4755b84915ae3232262acc46b37830acc7cd55359b40b9f85f5d39ba01
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cae0707ec2210db011ebda2bb192ac29f9c19c73b57ae22b5d00bd5dbcdc3c9b
[INFO] running `Command { std: "docker" "start" "-a" "cae0707ec2210db011ebda2bb192ac29f9c19c73b57ae22b5d00bd5dbcdc3c9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling bchannel v0.0.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "cae0707ec2210db011ebda2bb192ac29f9c19c73b57ae22b5d00bd5dbcdc3c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cae0707ec2210db011ebda2bb192ac29f9c19c73b57ae22b5d00bd5dbcdc3c9b", kill_on_drop: false }`
[INFO] [stdout] cae0707ec2210db011ebda2bb192ac29f9c19c73b57ae22b5d00bd5dbcdc3c9b
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ec64443535a1d0b292ec56cb85f3bf39b880115d97f42b903cb611d66fbf360
[INFO] running `Command { std: "docker" "start" "-a" "3ec64443535a1d0b292ec56cb85f3bf39b880115d97f42b903cb611d66fbf360", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bchannel-301c95ebfb7f05b4)
[INFO] [stdout] test test::into_iter ... ok
[INFO] [stderr]    Doc-tests bchannel
[INFO] [stdout] test test::iter_block ... ok
[INFO] [stdout] test test::iter ... ok
[INFO] [stdout] test test::error ... ok
[INFO] [stdout] test test::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 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" "3ec64443535a1d0b292ec56cb85f3bf39b880115d97f42b903cb611d66fbf360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec64443535a1d0b292ec56cb85f3bf39b880115d97f42b903cb611d66fbf360", kill_on_drop: false }`
[INFO] [stdout] 3ec64443535a1d0b292ec56cb85f3bf39b880115d97f42b903cb611d66fbf360