[INFO] fetching crate sub-batch 0.4.0...
[INFO] testing sub-batch-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate sub-batch 0.4.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate sub-batch 0.4.0 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 sub-batch 0.4.0
[INFO] finished tweaking crates.io crate sub-batch 0.4.0
[INFO] tweaked toml for crates.io crate sub-batch 0.4.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate sub-batch 0.4.0 already has a lockfile, it will not be regenerated
[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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] ad2c8a0fe68d9195fd3a161068e6958b7b667e80ebd1bfc7c704292285090e66
[INFO] running `Command { std: "docker" "start" "-a" "ad2c8a0fe68d9195fd3a161068e6958b7b667e80ebd1bfc7c704292285090e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad2c8a0fe68d9195fd3a161068e6958b7b667e80ebd1bfc7c704292285090e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad2c8a0fe68d9195fd3a161068e6958b7b667e80ebd1bfc7c704292285090e66", kill_on_drop: false }`
[INFO] [stdout] ad2c8a0fe68d9195fd3a161068e6958b7b667e80ebd1bfc7c704292285090e66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 40ebf1c3fbd18ab76b6b9f0f21a95d749f13e1362e8fcc8f3be3cc285317aca4
[INFO] running `Command { std: "docker" "start" "-a" "40ebf1c3fbd18ab76b6b9f0f21a95d749f13e1362e8fcc8f3be3cc285317aca4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling ascii v0.7.1
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling nom v2.1.0
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling intmap v0.7.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling spinning v0.1.0
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling combine v2.5.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling image v0.13.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling crossterm v0.19.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling vobsub v0.2.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling ctrlc v3.1.7
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling subparse v0.6.2
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling futures-executor v0.3.12
[INFO] [stderr]    Compiling futures v0.3.12
[INFO] [stderr]    Compiling interprocess v1.1.0
[INFO] [stderr]    Compiling sub-batch v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.32s
[INFO] running `Command { std: "docker" "inspect" "40ebf1c3fbd18ab76b6b9f0f21a95d749f13e1362e8fcc8f3be3cc285317aca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40ebf1c3fbd18ab76b6b9f0f21a95d749f13e1362e8fcc8f3be3cc285317aca4", kill_on_drop: false }`
[INFO] [stdout] 40ebf1c3fbd18ab76b6b9f0f21a95d749f13e1362e8fcc8f3be3cc285317aca4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 434428eed49079228913da2596462d6e337556eb5410ad67abb77eeffac69267
[INFO] running `Command { std: "docker" "start" "-a" "434428eed49079228913da2596462d6e337556eb5410ad67abb77eeffac69267", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling predicates-tree v1.0.2
[INFO] [stderr]    Compiling predicates v1.0.7
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling assert_cmd v1.0.3
[INFO] [stderr]    Compiling sub-batch v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.29s
[INFO] running `Command { std: "docker" "inspect" "434428eed49079228913da2596462d6e337556eb5410ad67abb77eeffac69267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434428eed49079228913da2596462d6e337556eb5410ad67abb77eeffac69267", kill_on_drop: false }`
[INFO] [stdout] 434428eed49079228913da2596462d6e337556eb5410ad67abb77eeffac69267
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] c98fa429020bf744a6f2de753a9f02e9cae74048c73ae3c4ca8c768b51a30a7a
[INFO] running `Command { std: "docker" "start" "-a" "c98fa429020bf744a6f2de753a9f02e9cae74048c73ae3c4ca8c768b51a30a7a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sub_batch-c9c4a9a3a31c9bb1)
[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" "c98fa429020bf744a6f2de753a9f02e9cae74048c73ae3c4ca8c768b51a30a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c98fa429020bf744a6f2de753a9f02e9cae74048c73ae3c4ca8c768b51a30a7a", kill_on_drop: false }`
[INFO] [stdout] c98fa429020bf744a6f2de753a9f02e9cae74048c73ae3c4ca8c768b51a30a7a