[INFO] fetching crate mycelium_lib 0.1.2...
[INFO] checking mycelium_lib-0.1.2 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate mycelium_lib 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mycelium_lib 0.1.2
[INFO] finished tweaking crates.io crate mycelium_lib 0.1.2
[INFO] tweaked toml for crates.io crate mycelium_lib 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mycelium_lib 0.1.2 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 130 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] [stderr]       Adding bytes v0.4.12 (available: v1.11.0)
[INFO] [stderr]       Adding crossbeam-deque v0.7.4 (available: v0.8.6)
[INFO] [stderr]       Adding fern v0.5.9 (available: v0.7.1)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] [stderr]       Adding ron v0.4.2 (available: v0.12.0)
[INFO] [stderr]       Adding socket2 v0.3.19 (available: v0.6.1)
[INFO] [stderr]       Adding tokio v0.1.22 (available: v1.49.0)
[INFO] [stderr]       Adding uuid v0.7.4 (available: v1.19.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayvec v0.4.12
[INFO] [stderr]   Downloaded mycelium_command v0.1.1
[INFO] [stderr]   Downloaded mycelium_index v0.1.1
[INFO] [stderr]   Downloaded ron v0.4.2
[INFO] [stderr]   Downloaded windows-strings v0.5.1
[INFO] [stderr]   Downloaded windows-implement v0.60.2
[INFO] [stderr]   Downloaded windows-interface v0.59.3
[INFO] [stderr]   Downloaded windows-result v0.4.1
[INFO] [stderr]   Downloaded iana-time-zone v0.1.64
[INFO] [stderr]   Downloaded mycelium_experimental v0.1.0
[INFO] [stderr]   Downloaded windows-core v0.62.2
[INFO] [stderr]   Downloaded mycelium_core v0.1.1
[INFO] [stderr]   Downloaded fern v0.5.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89a208b9a0a0c26342b82026e87c74d1cf6c214c50fefd297a16cdb188b296c7
[INFO] running `Command { std: "docker" "start" "-a" "89a208b9a0a0c26342b82026e87c74d1cf6c214c50fefd297a16cdb188b296c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89a208b9a0a0c26342b82026e87c74d1cf6c214c50fefd297a16cdb188b296c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89a208b9a0a0c26342b82026e87c74d1cf6c214c50fefd297a16cdb188b296c7", kill_on_drop: false }`
[INFO] [stdout] 89a208b9a0a0c26342b82026e87c74d1cf6c214c50fefd297a16cdb188b296c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c953ca93f5ce722ed9d09a6ad60196f9cb079f9df91500d8d308bc0c1c2abad1
[INFO] running `Command { std: "docker" "start" "-a" "c953ca93f5ce722ed9d09a6ad60196f9cb079f9df91500d8d308bc0c1c2abad1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling zmij v1.0.12
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ron v0.4.2
[INFO] [stderr]     Checking mycelium_experimental v0.1.0
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]     Checking mycelium_command v0.1.1
[INFO] [stderr]     Checking mycelium_core v0.1.1
[INFO] [stderr]     Checking mycelium_index v0.1.1
[INFO] [stderr]     Checking mycelium_lib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.35s
[INFO] running `Command { std: "docker" "inspect" "c953ca93f5ce722ed9d09a6ad60196f9cb079f9df91500d8d308bc0c1c2abad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c953ca93f5ce722ed9d09a6ad60196f9cb079f9df91500d8d308bc0c1c2abad1", kill_on_drop: false }`
[INFO] [stdout] c953ca93f5ce722ed9d09a6ad60196f9cb079f9df91500d8d308bc0c1c2abad1