[INFO] fetching crate drain-while 0.1.0...
[INFO] testing drain-while-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate drain-while 0.1.0 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate drain-while 0.1.0 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 drain-while 0.1.0
[INFO] finished tweaking crates.io crate drain-while 0.1.0
[INFO] tweaked toml for crates.io crate drain-while 0.1.0 written to /workspace/builds/worker-56/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24fe5c3b3f7b670231e7a0dcc06377e93561a96b3effde6531948ad6e09ade7b
[INFO] running `Command { std: "docker" "start" "-a" "24fe5c3b3f7b670231e7a0dcc06377e93561a96b3effde6531948ad6e09ade7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24fe5c3b3f7b670231e7a0dcc06377e93561a96b3effde6531948ad6e09ade7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24fe5c3b3f7b670231e7a0dcc06377e93561a96b3effde6531948ad6e09ade7b", kill_on_drop: false }`
[INFO] [stdout] 24fe5c3b3f7b670231e7a0dcc06377e93561a96b3effde6531948ad6e09ade7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a10b3853036f155788e57ba222498f8e9f4808b4e58048b5e0197a3a75afe21c
[INFO] running `Command { std: "docker" "start" "-a" "a10b3853036f155788e57ba222498f8e9f4808b4e58048b5e0197a3a75afe21c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling drain-while v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "a10b3853036f155788e57ba222498f8e9f4808b4e58048b5e0197a3a75afe21c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10b3853036f155788e57ba222498f8e9f4808b4e58048b5e0197a3a75afe21c", kill_on_drop: false }`
[INFO] [stdout] a10b3853036f155788e57ba222498f8e9f4808b4e58048b5e0197a3a75afe21c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73c2865798fe026f7f50ee91eebf08f08da9019d4bd0963b96e7960b8685baca
[INFO] running `Command { std: "docker" "start" "-a" "73c2865798fe026f7f50ee91eebf08f08da9019d4bd0963b96e7960b8685baca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling easybench v0.1.4
[INFO] [stderr]    Compiling drain-while v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.89s
[INFO] [stderr]   Executable unittests lib.rs (/opt/rustwide/target/debug/deps/drain_while-de90efa40d46d27c)
[INFO] running `Command { std: "docker" "inspect" "73c2865798fe026f7f50ee91eebf08f08da9019d4bd0963b96e7960b8685baca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c2865798fe026f7f50ee91eebf08f08da9019d4bd0963b96e7960b8685baca", kill_on_drop: false }`
[INFO] [stdout] 73c2865798fe026f7f50ee91eebf08f08da9019d4bd0963b96e7960b8685baca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 820b9406719f0569defcc2050caa3c524795bc5a651218ab66afcbb2466894b8
[INFO] running `Command { std: "docker" "start" "-a" "820b9406719f0569defcc2050caa3c524795bc5a651218ab66afcbb2466894b8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/drain_while-de90efa40d46d27c)
[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 drain_while
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test lib.rs - DrainWhileable::drain_while (line 46) ... ok
[INFO] [stdout] test lib.rs - DrainWhileable::drain_while (line 30) ... ok
[INFO] [stdout] test lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "820b9406719f0569defcc2050caa3c524795bc5a651218ab66afcbb2466894b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "820b9406719f0569defcc2050caa3c524795bc5a651218ab66afcbb2466894b8", kill_on_drop: false }`
[INFO] [stdout] 820b9406719f0569defcc2050caa3c524795bc5a651218ab66afcbb2466894b8