[INFO] fetching crate sync-slab 0.0.0...
[INFO] testing sync-slab-0.0.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate sync-slab 0.0.0 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate sync-slab 0.0.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-109/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a0c3182bb29ef03b00bb006c6fffc92fb895119fb2b04ff5038b74dd2ddfa46
[INFO] running `Command { std: "docker" "start" "-a" "4a0c3182bb29ef03b00bb006c6fffc92fb895119fb2b04ff5038b74dd2ddfa46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a0c3182bb29ef03b00bb006c6fffc92fb895119fb2b04ff5038b74dd2ddfa46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0c3182bb29ef03b00bb006c6fffc92fb895119fb2b04ff5038b74dd2ddfa46", kill_on_drop: false }`
[INFO] [stdout] 4a0c3182bb29ef03b00bb006c6fffc92fb895119fb2b04ff5038b74dd2ddfa46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25317dfc875ddf66b57b6f8323d3893bbf66c2f8af983e892fa60141411e2e08
[INFO] running `Command { std: "docker" "start" "-a" "25317dfc875ddf66b57b6f8323d3893bbf66c2f8af983e892fa60141411e2e08", kill_on_drop: false }`
[INFO] [stderr]    Compiling sync-slab v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "25317dfc875ddf66b57b6f8323d3893bbf66c2f8af983e892fa60141411e2e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25317dfc875ddf66b57b6f8323d3893bbf66c2f8af983e892fa60141411e2e08", kill_on_drop: false }`
[INFO] [stdout] 25317dfc875ddf66b57b6f8323d3893bbf66c2f8af983e892fa60141411e2e08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a0d49a627d5e80328ed4c9dc4baf1a9081ceb5cb6b0c604061e1798fb4167e4
[INFO] running `Command { std: "docker" "start" "-a" "0a0d49a627d5e80328ed4c9dc4baf1a9081ceb5cb6b0c604061e1798fb4167e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sync-slab v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "0a0d49a627d5e80328ed4c9dc4baf1a9081ceb5cb6b0c604061e1798fb4167e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0d49a627d5e80328ed4c9dc4baf1a9081ceb5cb6b0c604061e1798fb4167e4", kill_on_drop: false }`
[INFO] [stdout] 0a0d49a627d5e80328ed4c9dc4baf1a9081ceb5cb6b0c604061e1798fb4167e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7dbe76523b3163a1784b8b81a246c22472c9ac15de2f7c6e4b16febf02ed511
[INFO] running `Command { std: "docker" "start" "-a" "a7dbe76523b3163a1784b8b81a246c22472c9ac15de2f7c6e4b16febf02ed511", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sync_slab-4aaf9dab8a9084cc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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" "a7dbe76523b3163a1784b8b81a246c22472c9ac15de2f7c6e4b16febf02ed511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7dbe76523b3163a1784b8b81a246c22472c9ac15de2f7c6e4b16febf02ed511", kill_on_drop: false }`
[INFO] [stdout] a7dbe76523b3163a1784b8b81a246c22472c9ac15de2f7c6e4b16febf02ed511