[INFO] fetching crate mlc 0.14.3...
[INFO] checking mlc-0.14.3 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate mlc 0.14.3 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate mlc 0.14.3 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mlc 0.14.3
[INFO] finished tweaking crates.io crate mlc 0.14.3
[INFO] tweaked toml for crates.io crate mlc 0.14.3 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate crates.io crate mlc 0.14.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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 smallvec v0.6.13
[INFO] [stderr]   Downloaded tracing v0.1.25
[INFO] [stderr]   Downloaded httpdate v1.0.0
[INFO] [stderr]   Downloaded http-body v0.4.1
[INFO] [stderr]   Downloaded hyper v0.14.7
[INFO] [stderr]   Downloaded ntest_test_cases v0.7.3
[INFO] [stderr]   Downloaded serde_derive v1.0.102
[INFO] [stderr]   Downloaded ntest_timeout v0.7.3
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.11
[INFO] [stderr]   Downloaded ntest v0.7.3
[INFO] [stderr]   Downloaded bumpalo v3.1.2
[INFO] [stderr]   Downloaded h2 v0.3.2
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.3
[INFO] [stderr]   Downloaded web-sys v0.3.41
[INFO] [stderr]   Downloaded wildmatch v2.1.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.9
[INFO] [stderr]   Downloaded reqwest v0.11.3
[INFO] [stderr]   Downloaded cc v1.0.47
[INFO] [stderr]   Downloaded syn v1.0.62
[INFO] [stderr]   Downloaded chrono v0.4.9
[INFO] [stderr]   Downloaded httparse v1.4.0
[INFO] [stderr]   Downloaded serde v1.0.102
[INFO] [stderr]   Downloaded ntest_proc_macro_helper v0.7.3
[INFO] [stderr]   Downloaded vcpkg v0.2.12
[INFO] [stderr]   Downloaded bytes v0.5.3
[INFO] [stderr]   Downloaded openssl-src v111.14.0+1.1.1j
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 537cc279d11efcc177354fc2311b8ca88b5da51accac3425b1998ec3deb4b8c5
[INFO] running `Command { std: "docker" "start" "-a" "537cc279d11efcc177354fc2311b8ca88b5da51accac3425b1998ec3deb4b8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "537cc279d11efcc177354fc2311b8ca88b5da51accac3425b1998ec3deb4b8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537cc279d11efcc177354fc2311b8ca88b5da51accac3425b1998ec3deb4b8c5", kill_on_drop: false }`
[INFO] [stdout] 537cc279d11efcc177354fc2311b8ca88b5da51accac3425b1998ec3deb4b8c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc5ef50b82a5d015622831586fa8cbc91278077169a6c59885d18cb791a3d00e
[INFO] running `Command { std: "docker" "start" "-a" "fc5ef50b82a5d015622831586fa8cbc91278077169a6c59885d18cb791a3d00e", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v0.1.7
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[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking fastrand v1.4.0
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[INFO] [stderr]    Compiling encoding_rs v0.8.20
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[INFO] [stderr]     Checking thread_local v1.0.1
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[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking futures-task v0.3.5
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[INFO] [stderr]    Compiling semver v0.9.0
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[INFO] [stderr]    Compiling openssl-src v111.14.0+1.1.1j
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
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[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling ntest_timeout v0.7.3
[INFO] [stderr]    Compiling ntest_test_cases v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.102
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[INFO] [stderr]     Checking reqwest v0.11.3
[INFO] [stderr]     Checking mlc v0.14.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "fc5ef50b82a5d015622831586fa8cbc91278077169a6c59885d18cb791a3d00e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc5ef50b82a5d015622831586fa8cbc91278077169a6c59885d18cb791a3d00e", kill_on_drop: false }`
[INFO] [stdout] fc5ef50b82a5d015622831586fa8cbc91278077169a6c59885d18cb791a3d00e