[INFO] fetching crate smallset 0.1.1...
[INFO] testing smallset-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate smallset 0.1.1 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate smallset 0.1.1 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 smallset 0.1.1
[INFO] finished tweaking crates.io crate smallset 0.1.1
[INFO] tweaked toml for crates.io crate smallset 0.1.1 written to /workspace/builds/worker-55/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] dd77314b120dd88740efbd6ebfdced706cc61eb60e39fd9d31f3ec06ec830149
[INFO] running `Command { std: "docker" "start" "-a" "dd77314b120dd88740efbd6ebfdced706cc61eb60e39fd9d31f3ec06ec830149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd77314b120dd88740efbd6ebfdced706cc61eb60e39fd9d31f3ec06ec830149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd77314b120dd88740efbd6ebfdced706cc61eb60e39fd9d31f3ec06ec830149", kill_on_drop: false }`
[INFO] [stdout] dd77314b120dd88740efbd6ebfdced706cc61eb60e39fd9d31f3ec06ec830149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 7615d0ad8f067c179585cddfd82c33debab988432b52876c781106cd46b3244b
[INFO] running `Command { std: "docker" "start" "-a" "7615d0ad8f067c179585cddfd82c33debab988432b52876c781106cd46b3244b", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling smallset v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "7615d0ad8f067c179585cddfd82c33debab988432b52876c781106cd46b3244b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7615d0ad8f067c179585cddfd82c33debab988432b52876c781106cd46b3244b", kill_on_drop: false }`
[INFO] [stdout] 7615d0ad8f067c179585cddfd82c33debab988432b52876c781106cd46b3244b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 1d1de7a2d12b0419b479c552e74fc31e728f87e710dc52dd8211754ba1236cb7
[INFO] running `Command { std: "docker" "start" "-a" "1d1de7a2d12b0419b479c552e74fc31e728f87e710dc52dd8211754ba1236cb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallset v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "1d1de7a2d12b0419b479c552e74fc31e728f87e710dc52dd8211754ba1236cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d1de7a2d12b0419b479c552e74fc31e728f87e710dc52dd8211754ba1236cb7", kill_on_drop: false }`
[INFO] [stdout] 1d1de7a2d12b0419b479c552e74fc31e728f87e710dc52dd8211754ba1236cb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 5397f5a9fbdd38f2d8948d57d7a9855872453c072b6b48d9b54906575f4b3afa
[INFO] running `Command { std: "docker" "start" "-a" "5397f5a9fbdd38f2d8948d57d7a9855872453c072b6b48d9b54906575f4b3afa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/smallset-38bafca7fe3f4c55)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::test_clone ... ok
[INFO] [stdout] test test::test_fromiter ... ok
[INFO] [stdout] test test::test_basic_set ... ok
[INFO] [stdout] test test::test_debug ... ok
[INFO] [stdout] test test::test_remove ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smallset
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - SmallSet (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5397f5a9fbdd38f2d8948d57d7a9855872453c072b6b48d9b54906575f4b3afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5397f5a9fbdd38f2d8948d57d7a9855872453c072b6b48d9b54906575f4b3afa", kill_on_drop: false }`
[INFO] [stdout] 5397f5a9fbdd38f2d8948d57d7a9855872453c072b6b48d9b54906575f4b3afa