[INFO] fetching crate sync-slab 0.0.0...
[INFO] testing sync-slab-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate sync-slab 0.0.0 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate sync-slab 0.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sync-slab 0.0.0
[INFO] finished tweaking crates.io crate sync-slab 0.0.0
[INFO] tweaked toml for crates.io crate sync-slab 0.0.0 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46ef7364a70b80dc34279f38d24029631b8388c94bdfbc7083ee2958f50d81bd
[INFO] running `Command { std: "docker" "start" "-a" "46ef7364a70b80dc34279f38d24029631b8388c94bdfbc7083ee2958f50d81bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46ef7364a70b80dc34279f38d24029631b8388c94bdfbc7083ee2958f50d81bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46ef7364a70b80dc34279f38d24029631b8388c94bdfbc7083ee2958f50d81bd", kill_on_drop: false }`
[INFO] [stdout] 46ef7364a70b80dc34279f38d24029631b8388c94bdfbc7083ee2958f50d81bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64f580ac87d436d5b719e6e3b76f14cd6b6a5d31d892b254d5243ee6d38969ca
[INFO] running `Command { std: "docker" "start" "-a" "64f580ac87d436d5b719e6e3b76f14cd6b6a5d31d892b254d5243ee6d38969ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling sync-slab v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "64f580ac87d436d5b719e6e3b76f14cd6b6a5d31d892b254d5243ee6d38969ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f580ac87d436d5b719e6e3b76f14cd6b6a5d31d892b254d5243ee6d38969ca", kill_on_drop: false }`
[INFO] [stdout] 64f580ac87d436d5b719e6e3b76f14cd6b6a5d31d892b254d5243ee6d38969ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 697256e1436ccce4cbe9549e46257ae0d0d1c0e8f654a6b5a11ef36345071483
[INFO] running `Command { std: "docker" "start" "-a" "697256e1436ccce4cbe9549e46257ae0d0d1c0e8f654a6b5a11ef36345071483", kill_on_drop: false }`
[INFO] [stderr]    Compiling sync-slab v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "697256e1436ccce4cbe9549e46257ae0d0d1c0e8f654a6b5a11ef36345071483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "697256e1436ccce4cbe9549e46257ae0d0d1c0e8f654a6b5a11ef36345071483", kill_on_drop: false }`
[INFO] [stdout] 697256e1436ccce4cbe9549e46257ae0d0d1c0e8f654a6b5a11ef36345071483
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3a0752cb96d02cf2fda3e49e16a0a9fa2ac31f943891e58969f3aba09838f12
[INFO] running `Command { std: "docker" "start" "-a" "d3a0752cb96d02cf2fda3e49e16a0a9fa2ac31f943891e58969f3aba09838f12", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sync_slab-d1ae3b0bdf056433)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sync-slab
[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" "d3a0752cb96d02cf2fda3e49e16a0a9fa2ac31f943891e58969f3aba09838f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3a0752cb96d02cf2fda3e49e16a0a9fa2ac31f943891e58969f3aba09838f12", kill_on_drop: false }`
[INFO] [stdout] d3a0752cb96d02cf2fda3e49e16a0a9fa2ac31f943891e58969f3aba09838f12