[INFO] fetching crate mechtron-host 0.3.6...
[INFO] checking mechtron-host-0.3.6 against master#b1719530f44e3c8ec903f76020a52bd8764d5d10 for pr-108691
[INFO] extracting crate mechtron-host 0.3.6 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mechtron-host 0.3.6 on toolchain b1719530f44e3c8ec903f76020a52bd8764d5d10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1719530f44e3c8ec903f76020a52bd8764d5d10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mechtron-host 0.3.6
[INFO] finished tweaking crates.io crate mechtron-host 0.3.6
[INFO] tweaked toml for crates.io crate mechtron-host 0.3.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+b1719530f44e3c8ec903f76020a52bd8764d5d10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1719530f44e3c8ec903f76020a52bd8764d5d10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cosmic-nom v0.3.6
[INFO] [stderr]   Downloaded validator v0.15.0
[INFO] [stderr]   Downloaded cosmic-macros-primitive v0.3.6
[INFO] [stderr]   Downloaded indent_write v2.2.0
[INFO] [stderr]   Downloaded wasmer-compiler-singlepass v2.3.0
[INFO] [stderr]   Downloaded nom-supreme v0.6.0
[INFO] [stderr]   Downloaded oneshot v0.1.5
[INFO] [stderr]   Downloaded dynasmrt v1.2.3
[INFO] [stderr]   Downloaded cosmic-space v0.3.6
[INFO] [stderr]   Downloaded brownstone v1.1.0
[INFO] [stderr]   Downloaded dynasm v1.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+b1719530f44e3c8ec903f76020a52bd8764d5d10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 665b567c1e12b1b8903505d30051ac1bab2989890ac9d46a75a2e8356b1046a2
[INFO] running `Command { std: "docker" "start" "-a" "665b567c1e12b1b8903505d30051ac1bab2989890ac9d46a75a2e8356b1046a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "665b567c1e12b1b8903505d30051ac1bab2989890ac9d46a75a2e8356b1046a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "665b567c1e12b1b8903505d30051ac1bab2989890ac9d46a75a2e8356b1046a2", kill_on_drop: false }`
[INFO] [stdout] 665b567c1e12b1b8903505d30051ac1bab2989890ac9d46a75a2e8356b1046a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+b1719530f44e3c8ec903f76020a52bd8764d5d10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ae6e8529a6547c40f7117dfc6d2b5a9c602e19f95fff7951d7d18c5fcb24675
[INFO] running `Command { std: "docker" "start" "-a" "6ae6e8529a6547c40f7117dfc6d2b5a9c602e19f95fff7951d7d18c5fcb24675", 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]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling bytecheck v0.6.10
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling rend v0.4.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling target-lexicon v0.12.6
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]    Compiling rkyv v0.7.40
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.10
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling darling_core v0.14.3
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]     Checking ahash v0.7.6
[INFO] [stderr]    Compiling loupe-derive v0.1.3
[INFO] [stderr]    Compiling rkyv_derive v0.7.40
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking wasmparser v0.83.0
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling corosensei v0.1.3
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.82.3
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.82.3
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking enum-iterator v0.7.0
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking region v3.0.0
[INFO] [stderr]     Checking cranelift-entity v0.82.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking regalloc v0.0.34
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking lock_api v0.4.9
[INFO] [stderr]     Checking cranelift-bforest v0.82.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking brownstone v1.1.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking wasm-encoder v0.24.1
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v2.3.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]    Compiling async-trait v0.1.65
[INFO] [stderr]     Checking indent_write v2.2.0
[INFO] [stderr]     Checking nom_locate v4.1.0
[INFO] [stderr]     Checking wast v54.0.1
[INFO] [stderr]     Checking nom-supreme v0.6.0
[INFO] [stderr]    Compiling dynasm v1.2.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking which v4.4.0
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling darling_macro v0.14.3
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking serde_bytes v0.11.9
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking serde_json v1.0.93
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ariadne v0.1.5
[INFO] [stderr]     Checking loupe v0.1.3
[INFO] [stderr]    Compiling darling v0.14.3
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]    Compiling enumset_derive v0.6.1
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking cosmic-nom v0.3.6
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking dashmap v5.4.0
[INFO] [stderr]    Compiling cranelift-codegen v0.82.3
[INFO] [stderr]    Compiling wasmer-derive v2.3.0
[INFO] [stderr]    Compiling cosmic-macros-primitive v0.3.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking convert_case v0.5.0
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]     Checking validator v0.15.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking uuid v1.3.0
[INFO] [stderr]     Checking oneshot v0.1.5
[INFO] [stderr]     Checking enumset v1.0.12
[INFO] [stderr]    Compiling enum-ordinalize v3.1.12
[INFO] [stderr]     Checking wasmer-types v2.3.0
[INFO] [stderr]     Checking wat v1.0.60
[INFO] [stderr]     Checking cosmic-space v0.3.6
[INFO] [stderr]     Checking wasmer-compiler v2.3.0
[INFO] [stderr]     Checking dynasmrt v1.2.3
[INFO] [stderr]     Checking wasmer-artifact v2.3.0
[INFO] [stderr]     Checking wasmer-object v2.3.0
[INFO] [stderr]     Checking wasmer-compiler-singlepass v2.3.0
[INFO] [stderr]     Checking wasmer-vm v2.3.0
[INFO] [stderr]     Checking wasmer-engine-universal-artifact v2.3.0
[INFO] [stderr]     Checking wasmer-engine v2.3.0
[INFO] [stderr]     Checking wasmer-engine-universal v2.3.0
[INFO] [stderr]     Checking wasmer-engine-dylib v2.3.0
[INFO] [stderr]     Checking cranelift-frontend v0.82.3
[INFO] [stderr]     Checking wasmer v2.3.0
[INFO] [stderr]     Checking mechtron-host v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.07s
[INFO] running `Command { std: "docker" "inspect" "6ae6e8529a6547c40f7117dfc6d2b5a9c602e19f95fff7951d7d18c5fcb24675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae6e8529a6547c40f7117dfc6d2b5a9c602e19f95fff7951d7d18c5fcb24675", kill_on_drop: false }`
[INFO] [stdout] 6ae6e8529a6547c40f7117dfc6d2b5a9c602e19f95fff7951d7d18c5fcb24675