[INFO] fetching crate bchannel 0.0.10...
[INFO] testing bchannel-0.0.10 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate bchannel 0.0.10 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate bchannel 0.0.10 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adc5449590f38bd814cb68b162cd0f915ecc91019b31bf6b58ee3d749785713c
[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" "adc5449590f38bd814cb68b162cd0f915ecc91019b31bf6b58ee3d749785713c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adc5449590f38bd814cb68b162cd0f915ecc91019b31bf6b58ee3d749785713c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc5449590f38bd814cb68b162cd0f915ecc91019b31bf6b58ee3d749785713c", kill_on_drop: false }`
[INFO] [stdout] adc5449590f38bd814cb68b162cd0f915ecc91019b31bf6b58ee3d749785713c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 4dd167b995c34b137dcc5458d190f33e8e95fb87e108afdf8cb4d321f8da71bf
[INFO] running `Command { std: "docker" "start" "-a" "4dd167b995c34b137dcc5458d190f33e8e95fb87e108afdf8cb4d321f8da71bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling bchannel v0.0.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "4dd167b995c34b137dcc5458d190f33e8e95fb87e108afdf8cb4d321f8da71bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd167b995c34b137dcc5458d190f33e8e95fb87e108afdf8cb4d321f8da71bf", kill_on_drop: false }`
[INFO] [stdout] 4dd167b995c34b137dcc5458d190f33e8e95fb87e108afdf8cb4d321f8da71bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] bc0ab01a3231a30b1d9516dde1e9038def0d975b37d103a97e32f536cdf440c5
[INFO] running `Command { std: "docker" "start" "-a" "bc0ab01a3231a30b1d9516dde1e9038def0d975b37d103a97e32f536cdf440c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bchannel v0.0.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.12s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/bchannel-433aa8c0d0a18cf7)
[INFO] running `Command { std: "docker" "inspect" "bc0ab01a3231a30b1d9516dde1e9038def0d975b37d103a97e32f536cdf440c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0ab01a3231a30b1d9516dde1e9038def0d975b37d103a97e32f536cdf440c5", kill_on_drop: false }`
[INFO] [stdout] bc0ab01a3231a30b1d9516dde1e9038def0d975b37d103a97e32f536cdf440c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] acbb48da1c9b84b0e771a6a18a5f8630b569443e4750acc1d3ce49fa97fbbbc3
[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" "acbb48da1c9b84b0e771a6a18a5f8630b569443e4750acc1d3ce49fa97fbbbc3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bchannel-433aa8c0d0a18cf7)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::basic ... ok
[INFO] [stdout] test test::error ... ok
[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] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "acbb48da1c9b84b0e771a6a18a5f8630b569443e4750acc1d3ce49fa97fbbbc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acbb48da1c9b84b0e771a6a18a5f8630b569443e4750acc1d3ce49fa97fbbbc3", kill_on_drop: false }`
[INFO] [stdout] acbb48da1c9b84b0e771a6a18a5f8630b569443e4750acc1d3ce49fa97fbbbc3