[INFO] fetching crate bubbles 3.1.1...
[INFO] testing bubbles-3.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate bubbles 3.1.1 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate bubbles 3.1.1 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 bubbles 3.1.1
[INFO] finished tweaking crates.io crate bubbles 3.1.1
[INFO] tweaked toml for crates.io crate bubbles 3.1.1 written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] crate crates.io crate bubbles 3.1.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded fsevent v2.0.1
[INFO] [stderr]   Downloaded boxfnonce v0.1.1
[INFO] [stderr]   Downloaded ctrlc v3.1.6
[INFO] [stderr]   Downloaded askama_shared v0.9.1
[INFO] [stderr]   Downloaded daemonize v0.4.1
[INFO] [stderr]   Downloaded integrustio v0.3.4
[INFO] [stderr]   Downloaded inotify v0.8.2
[INFO] [stderr]   Downloaded notify v5.0.0-pre.3
[INFO] [stderr]   Downloaded quickcheck v0.2.27
[INFO] [stderr]   Downloaded whoami v0.9.0
[INFO] [stderr]   Downloaded tiff v0.5.0
[INFO] [stderr]   Downloaded nom v5.1.0
[INFO] [stderr]   Downloaded askama_derive v0.9.0
[INFO] [stderr]   Downloaded askama_escape v0.3.0
[INFO] [stderr]   Downloaded askama v0.9.0
[INFO] [stderr]   Downloaded cryiorust v0.3.0
[INFO] [stderr]   Downloaded reinterpret v0.2.1
[INFO] [stderr]   Downloaded glm v0.2.3
[INFO] [stderr]   Downloaded fsevent-sys v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 118057017e2072d541f3b2b3cfe8dad13c8547d0fc1ff729d333c59275e9df83
[INFO] running `Command { std: "docker" "start" "-a" "118057017e2072d541f3b2b3cfe8dad13c8547d0fc1ff729d333c59275e9df83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "118057017e2072d541f3b2b3cfe8dad13c8547d0fc1ff729d333c59275e9df83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "118057017e2072d541f3b2b3cfe8dad13c8547d0fc1ff729d333c59275e9df83", kill_on_drop: false }`
[INFO] [stdout] 118057017e2072d541f3b2b3cfe8dad13c8547d0fc1ff729d333c59275e9df83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] f9cbd95d25191c7da58527598356819505e2f884f0d20f3456f077167b9edb57
[INFO] running `Command { std: "docker" "start" "-a" "f9cbd95d25191c7da58527598356819505e2f884f0d20f3456f077167b9edb57", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling askama_escape v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling reinterpret v0.2.1
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling boxfnonce v0.1.1
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling whoami v0.9.0
[INFO] [stderr]    Compiling instant v0.1.7
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling tiff v0.5.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling filetime v0.2.7
[INFO] [stderr]    Compiling daemonize v0.4.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling inotify v0.8.2
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.2.27
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling glm v0.2.3
[INFO] [stderr]    Compiling ctrlc v3.1.6
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling notify v5.0.0-pre.3
[INFO] [stderr]    Compiling askama_shared v0.9.1
[INFO] [stderr]    Compiling askama_derive v0.9.0
[INFO] [stderr]    Compiling askama v0.9.0
[INFO] [stderr]    Compiling cryiorust v0.3.0
[INFO] [stderr]    Compiling integrustio v0.3.4
[INFO] [stderr]    Compiling bubbles v3.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.54s
[INFO] running `Command { std: "docker" "inspect" "f9cbd95d25191c7da58527598356819505e2f884f0d20f3456f077167b9edb57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9cbd95d25191c7da58527598356819505e2f884f0d20f3456f077167b9edb57", kill_on_drop: false }`
[INFO] [stdout] f9cbd95d25191c7da58527598356819505e2f884f0d20f3456f077167b9edb57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] bca00155be8baf68aaa0fa8a4b05d6c4a34d4dc2da94e17a013d9a67f20f3377
[INFO] running `Command { std: "docker" "start" "-a" "bca00155be8baf68aaa0fa8a4b05d6c4a34d4dc2da94e17a013d9a67f20f3377", kill_on_drop: false }`
[INFO] [stderr]    Compiling bubbles v3.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "bca00155be8baf68aaa0fa8a4b05d6c4a34d4dc2da94e17a013d9a67f20f3377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca00155be8baf68aaa0fa8a4b05d6c4a34d4dc2da94e17a013d9a67f20f3377", kill_on_drop: false }`
[INFO] [stdout] bca00155be8baf68aaa0fa8a4b05d6c4a34d4dc2da94e17a013d9a67f20f3377
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 57042cce53de45e7b26158057dab7990e96389fb24bcfa695a40dde24d014cb7
[INFO] running `Command { std: "docker" "start" "-a" "57042cce53de45e7b26158057dab7990e96389fb24bcfa695a40dde24d014cb7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bubbles-82d022e5e5520b04)
[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" "57042cce53de45e7b26158057dab7990e96389fb24bcfa695a40dde24d014cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57042cce53de45e7b26158057dab7990e96389fb24bcfa695a40dde24d014cb7", kill_on_drop: false }`
[INFO] [stdout] 57042cce53de45e7b26158057dab7990e96389fb24bcfa695a40dde24d014cb7