[INFO] fetching crate mechtron-host 0.3.6...
[INFO] checking mechtron-host-0.3.6 against try#303604bb848977091b2fdfc36579c25e56c6889c for pr-108691
[INFO] extracting crate mechtron-host 0.3.6 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate mechtron-host 0.3.6 on toolchain 303604bb848977091b2fdfc36579c25e56c6889c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+303604bb848977091b2fdfc36579c25e56c6889c" "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-tc2/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" "+303604bb848977091b2fdfc36579c25e56c6889c" "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" "+303604bb848977091b2fdfc36579c25e56c6889c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+303604bb848977091b2fdfc36579c25e56c6889c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d68587615554bb8b776ebe5c95c8e448190a0d25a01891469f0af73743a4a218
[INFO] running `Command { std: "docker" "start" "-a" "d68587615554bb8b776ebe5c95c8e448190a0d25a01891469f0af73743a4a218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d68587615554bb8b776ebe5c95c8e448190a0d25a01891469f0af73743a4a218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d68587615554bb8b776ebe5c95c8e448190a0d25a01891469f0af73743a4a218", kill_on_drop: false }`
[INFO] [stdout] d68587615554bb8b776ebe5c95c8e448190a0d25a01891469f0af73743a4a218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+303604bb848977091b2fdfc36579c25e56c6889c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a5916675b4c9600a53f425601ca9ad1006fb9b77a062cbc73b5ffc748a9742d
[INFO] running `Command { std: "docker" "start" "-a" "7a5916675b4c9600a53f425601ca9ad1006fb9b77a062cbc73b5ffc748a9742d", kill_on_drop: false }`
[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 fnv v1.0.7
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling bytecheck v0.6.10
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling rend v0.4.0
[INFO] [stderr]    Compiling target-lexicon v0.12.6
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling rkyv v0.7.40
[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]    Compiling darling_core v0.14.3
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[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 seahash v4.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]     Checking wasmparser v0.83.0
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking hashbrown v0.12.3
[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 crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]     Checking enum-iterator v0.7.0
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking region v3.0.0
[INFO] [stderr]     Checking cranelift-entity v0.82.3
[INFO] [stderr]     Checking regalloc v0.0.34
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking lock_api v0.4.9
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking cranelift-bforest v0.82.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]     Checking tracing-core v0.1.30
[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 semver v1.0.16
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking indent_write v2.2.0
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v2.3.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling async-trait v0.1.65
[INFO] [stderr]    Compiling dynasm v1.2.3
[INFO] [stderr]     Checking nom-supreme v0.6.0
[INFO] [stderr]     Checking nom_locate v4.1.0
[INFO] [stderr]     Checking wast v54.0.1
[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]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking serde_bytes v0.11.9
[INFO] [stderr]    Compiling darling_macro v0.14.3
[INFO] [stderr]     Checking serde_json v1.0.93
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking loupe v0.1.3
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking ariadne v0.1.5
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking cosmic-nom v0.3.6
[INFO] [stderr]    Compiling darling v0.14.3
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]    Compiling enumset_derive v0.6.1
[INFO] [stderr]     Checking dashmap v5.4.0
[INFO] [stderr]    Compiling wasmer-derive v2.3.0
[INFO] [stderr]    Compiling cosmic-macros-primitive v0.3.6
[INFO] [stderr]    Compiling enum-ordinalize v3.1.12
[INFO] [stderr]    Compiling cranelift-codegen v0.82.3
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking convert_case v0.5.0
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking uuid v1.3.0
[INFO] [stderr]     Checking validator v0.15.0
[INFO] [stderr]     Checking oneshot v0.1.5
[INFO] [stderr] error: could not compile `tokio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tokio --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.26.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="fs"' --cfg 'feature="full"' --cfg 'feature="io-std"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="num_cpus"' --cfg 'feature="parking_lot"' --cfg 'feature="process"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="socket2"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --cfg 'feature="windows-sys"' -C metadata=8bf3c75d16771e57 -C extra-filename=-8bf3c75d16771e57 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-31a832312555d7bf.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-be02767036c65e73.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-93b5f97d275ca86b.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-beadc74c0e4983eb.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-191820f27a9faac8.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-aeca971c5f587cf7.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-194da388bfcdfa6d.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-8af3f6e19945c1f7.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-750ace6e787a5a9f.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-1f0320a93ed55609.so --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7a5916675b4c9600a53f425601ca9ad1006fb9b77a062cbc73b5ffc748a9742d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a5916675b4c9600a53f425601ca9ad1006fb9b77a062cbc73b5ffc748a9742d", kill_on_drop: false }`
[INFO] [stdout] 7a5916675b4c9600a53f425601ca9ad1006fb9b77a062cbc73b5ffc748a9742d