[INFO] fetching crate flagset 0.4.2...
[INFO] testing flagset-0.4.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate flagset 0.4.2 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate flagset 0.4.2 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 flagset 0.4.2
[INFO] finished tweaking crates.io crate flagset 0.4.2
[INFO] tweaked toml for crates.io crate flagset 0.4.2 written to /workspace/builds/worker-40/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] ee44f16ca56d2366d94cbf1ff8a360b3d53d5f31f1594db2aaffa8438d0fb589
[INFO] running `Command { std: "docker" "start" "-a" "ee44f16ca56d2366d94cbf1ff8a360b3d53d5f31f1594db2aaffa8438d0fb589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee44f16ca56d2366d94cbf1ff8a360b3d53d5f31f1594db2aaffa8438d0fb589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee44f16ca56d2366d94cbf1ff8a360b3d53d5f31f1594db2aaffa8438d0fb589", kill_on_drop: false }`
[INFO] [stdout] ee44f16ca56d2366d94cbf1ff8a360b3d53d5f31f1594db2aaffa8438d0fb589
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] 66ebbadcb540ef2466bad11bfc74211d16d84840e8858811e0634859192b2cbb
[INFO] running `Command { std: "docker" "start" "-a" "66ebbadcb540ef2466bad11bfc74211d16d84840e8858811e0634859192b2cbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling flagset v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "66ebbadcb540ef2466bad11bfc74211d16d84840e8858811e0634859192b2cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66ebbadcb540ef2466bad11bfc74211d16d84840e8858811e0634859192b2cbb", kill_on_drop: false }`
[INFO] [stdout] 66ebbadcb540ef2466bad11bfc74211d16d84840e8858811e0634859192b2cbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] 7b859af7d8c6a67164ec4549cb141bb64ce388b067feb7f65cd627ba7d7d5e6e
[INFO] running `Command { std: "docker" "start" "-a" "7b859af7d8c6a67164ec4549cb141bb64ce388b067feb7f65cd627ba7d7d5e6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling flagset v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.19s
[INFO] running `Command { std: "docker" "inspect" "7b859af7d8c6a67164ec4549cb141bb64ce388b067feb7f65cd627ba7d7d5e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b859af7d8c6a67164ec4549cb141bb64ce388b067feb7f65cd627ba7d7d5e6e", kill_on_drop: false }`
[INFO] [stdout] 7b859af7d8c6a67164ec4549cb141bb64ce388b067feb7f65cd627ba7d7d5e6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] f8aa265489829fca6d79e5482fbb27ccde8aaa22b5a36249570a252d59c33ec5
[INFO] running `Command { std: "docker" "start" "-a" "f8aa265489829fca6d79e5482fbb27ccde8aaa22b5a36249570a252d59c33ec5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flagset-8d6a472958aefa26)
[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] [stderr]    Doc-tests flagset
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test src/lib.rs - (line 119) ... ok
[INFO] [stdout] test src/lib.rs - (line 105) ... ok
[INFO] [stdout] test src/lib.rs - (line 90) ... ok
[INFO] [stdout] test src/lib.rs - (line 136) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::bits (line 880) ... ok
[INFO] [stdout] test src/lib.rs - (line 58) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::default (line 427) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::bitand_assign (line 516) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::clear (line 996) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::is_empty (line 901) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::full (line 851) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::into_iter (line 352) ... ok
[INFO] [stdout] test src/lib.rs - (line 157) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::bitxor (line 605) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::contains (line 972) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::rem_assign (line 742) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::bitand (line 489) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::from (line 399) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::drain (line 1020) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::new_unchecked (line 823) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::not (line 459) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::is_full (line 925) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::bitor (line 547) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::sub (line 661) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::new (line 767) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::retain (line 1047) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::bitor_assign (line 572) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::bitxor_assign (line 630) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::sub_assign (line 685) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::new_truncated (line 794) ... ok
[INFO] [stdout] test src/lib.rs - InvalidBits (line 254) ... ok
[INFO] [stdout] test src/lib.rs - flags (line 1124) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::rem (line 714) ... ok
[INFO] [stdout] test src/lib.rs - FlagSet<F>::is_disjoint (line 949) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f8aa265489829fca6d79e5482fbb27ccde8aaa22b5a36249570a252d59c33ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8aa265489829fca6d79e5482fbb27ccde8aaa22b5a36249570a252d59c33ec5", kill_on_drop: false }`
[INFO] [stdout] f8aa265489829fca6d79e5482fbb27ccde8aaa22b5a36249570a252d59c33ec5