[INFO] fetching crate uell 0.1.0...
[INFO] testing uell-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate uell 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate uell 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uell 0.1.0
[INFO] finished tweaking crates.io crate uell 0.1.0
[INFO] tweaked toml for crates.io crate uell 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck_macros v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19c4b8ae641a88420d8cb6ad091b9e01f5758aab56448ec366814d8268aaddfd
[INFO] running `Command { std: "docker" "start" "-a" "19c4b8ae641a88420d8cb6ad091b9e01f5758aab56448ec366814d8268aaddfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19c4b8ae641a88420d8cb6ad091b9e01f5758aab56448ec366814d8268aaddfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c4b8ae641a88420d8cb6ad091b9e01f5758aab56448ec366814d8268aaddfd", kill_on_drop: false }`
[INFO] [stdout] 19c4b8ae641a88420d8cb6ad091b9e01f5758aab56448ec366814d8268aaddfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac29715854b5a0381426c22cad4df26f384a98f04603283b634f62a79896cf94
[INFO] running `Command { std: "docker" "start" "-a" "ac29715854b5a0381426c22cad4df26f384a98f04603283b634f62a79896cf94", kill_on_drop: false }`
[INFO] [stderr]    Compiling bumpalo v3.9.1
[INFO] [stderr]    Compiling uell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "ac29715854b5a0381426c22cad4df26f384a98f04603283b634f62a79896cf94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac29715854b5a0381426c22cad4df26f384a98f04603283b634f62a79896cf94", kill_on_drop: false }`
[INFO] [stdout] ac29715854b5a0381426c22cad4df26f384a98f04603283b634f62a79896cf94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de25f99f1b542d6e4ea07afc6319d3b72b442093710a0fa63651f954aa19af13
[INFO] running `Command { std: "docker" "start" "-a" "de25f99f1b542d6e4ea07afc6319d3b72b442093710a0fa63651f954aa19af13", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling uell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "de25f99f1b542d6e4ea07afc6319d3b72b442093710a0fa63651f954aa19af13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de25f99f1b542d6e4ea07afc6319d3b72b442093710a0fa63651f954aa19af13", kill_on_drop: false }`
[INFO] [stdout] de25f99f1b542d6e4ea07afc6319d3b72b442093710a0fa63651f954aa19af13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 600effd789189c3c7138eca50fb191757073eefa4454b2de430906c479849d50
[INFO] running `Command { std: "docker" "start" "-a" "600effd789189c3c7138eca50fb191757073eefa4454b2de430906c479849d50", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/uell-3e869428aa604a1e)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::bigger_push ... ok
[INFO] [stdout] test tests::bigger_push_into_iter ... ok
[INFO] [stdout] test tests::chunk_iter ... ok
[INFO] [stdout] test tests::small_push ... ok
[INFO] [stdout] test tests::small_push_into_iter ... ok
[INFO] [stdout] test tests::qc_simple_push_and_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests uell
[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" "600effd789189c3c7138eca50fb191757073eefa4454b2de430906c479849d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "600effd789189c3c7138eca50fb191757073eefa4454b2de430906c479849d50", kill_on_drop: false }`
[INFO] [stdout] 600effd789189c3c7138eca50fb191757073eefa4454b2de430906c479849d50