[INFO] fetching crate scoped_cell 0.1.0...
[INFO] testing scoped_cell-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate scoped_cell 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate scoped_cell 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scoped_cell 0.1.0
[INFO] finished tweaking crates.io crate scoped_cell 0.1.0
[INFO] tweaked toml for crates.io crate scoped_cell 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 908f111772a217a755b92404763a5ad3e065296000646fe529ba19ac6a7443fb
[INFO] running `Command { std: "docker" "start" "-a" "908f111772a217a755b92404763a5ad3e065296000646fe529ba19ac6a7443fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "908f111772a217a755b92404763a5ad3e065296000646fe529ba19ac6a7443fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908f111772a217a755b92404763a5ad3e065296000646fe529ba19ac6a7443fb", kill_on_drop: false }`
[INFO] [stdout] 908f111772a217a755b92404763a5ad3e065296000646fe529ba19ac6a7443fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de2d6e30f257bc98bc09bd66448b2719f8544780fdb6359fcf6f0c171ac9532a
[INFO] running `Command { std: "docker" "start" "-a" "de2d6e30f257bc98bc09bd66448b2719f8544780fdb6359fcf6f0c171ac9532a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling scoped_cell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "de2d6e30f257bc98bc09bd66448b2719f8544780fdb6359fcf6f0c171ac9532a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de2d6e30f257bc98bc09bd66448b2719f8544780fdb6359fcf6f0c171ac9532a", kill_on_drop: false }`
[INFO] [stdout] de2d6e30f257bc98bc09bd66448b2719f8544780fdb6359fcf6f0c171ac9532a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f7b06b2012169326c83cae7a3535375ce6c8a1904599b1d5bbce494f131c666
[INFO] running `Command { std: "docker" "start" "-a" "0f7b06b2012169326c83cae7a3535375ce6c8a1904599b1d5bbce494f131c666", kill_on_drop: false }`
[INFO] [stderr]    Compiling scoped_cell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "0f7b06b2012169326c83cae7a3535375ce6c8a1904599b1d5bbce494f131c666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7b06b2012169326c83cae7a3535375ce6c8a1904599b1d5bbce494f131c666", kill_on_drop: false }`
[INFO] [stdout] 0f7b06b2012169326c83cae7a3535375ce6c8a1904599b1d5bbce494f131c666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7da9d28b1daa5e5f5da2e9e6c0fc565da52cfb20d9ef8417672e0f560e4accda
[INFO] running `Command { std: "docker" "start" "-a" "7da9d28b1daa5e5f5da2e9e6c0fc565da52cfb20d9ef8417672e0f560e4accda", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scoped_cell-c087b2c7698fdaa6)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::basic_usage ... ok
[INFO] [stdout] test tests::creation ... ok
[INFO] [stdout] test tests::double_borrow_fails ... ok
[INFO] [stdout] test tests::raw_usage ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scoped_cell
[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" "7da9d28b1daa5e5f5da2e9e6c0fc565da52cfb20d9ef8417672e0f560e4accda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7da9d28b1daa5e5f5da2e9e6c0fc565da52cfb20d9ef8417672e0f560e4accda", kill_on_drop: false }`
[INFO] [stdout] 7da9d28b1daa5e5f5da2e9e6c0fc565da52cfb20d9ef8417672e0f560e4accda