[INFO] fetching crate khost 0.4.0...
[INFO] testing khost-0.4.0 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate khost 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate khost 0.4.0
[INFO] finished tweaking crates.io crate khost 0.4.0
[INFO] tweaked toml for crates.io crate khost 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate khost 0.4.0 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate khost 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded workflow-http v0.18.0
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[INFO] [stderr]   Downloaded workflow-log v0.18.0
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[INFO] [stderr]   Downloaded value-bag v1.9.0
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[INFO] [stderr]   Downloaded object v0.36.1
[INFO] [stderr]   Downloaded rustix v0.38.34
[INFO] [stderr]   Downloaded serde_json v1.0.120
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[INFO] [stderr]   Downloaded pkg-config v0.3.30
[INFO] [stderr]   Downloaded tempfile v3.10.1
[INFO] [stderr]   Downloaded fastrand v2.1.0
[INFO] [stderr]   Downloaded proc-macro-crate v3.1.0
[INFO] [stderr]   Downloaded syn_derive v0.1.8
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[INFO] [stderr]   Downloaded termion v4.0.2
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[INFO] [stderr]   Downloaded indicatif v0.17.8
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[INFO] [stderr]   Downloaded tinyvec v1.6.1
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[INFO] [stderr]   Downloaded password-hash v0.5.0
[INFO] [stderr]   Downloaded mirai-annotations v1.12.0
[INFO] [stderr]   Downloaded openssl v0.10.64
[INFO] [stderr]   Downloaded parking v2.2.0
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[INFO] [stderr]   Downloaded rustversion v1.0.17
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[INFO] [stderr]   Downloaded workflow-macro-tools v0.18.0
[INFO] [stderr]   Downloaded shared_child v1.0.0
[INFO] [stderr]   Downloaded redox_termios v0.1.3
[INFO] [stderr]   Downloaded whoami v1.5.1
[INFO] [stderr]   Downloaded argon2 v0.5.3
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[INFO] [stderr]   Downloaded glob v0.3.1
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[INFO] [stderr]   Downloaded rlimit v0.10.1
[INFO] [stderr]   Downloaded tokio-macros v2.3.0
[INFO] [stderr]   Downloaded cargo-platform v0.1.8
[INFO] [stderr]   Downloaded rustls-pki-types v1.7.0
[INFO] [stderr]   Downloaded borsh v1.5.1
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[INFO] [stderr]   Downloaded async-std v1.12.0
[INFO] [stderr]   Downloaded workflow-core v0.18.0
[INFO] [stderr]   Downloaded aws-lc-sys v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88e4fe111e373f6a8b26eadd664c4a749dc794a98f6c2424eca3c070e8874fc0
[INFO] running `Command { std: "docker" "start" "-a" "88e4fe111e373f6a8b26eadd664c4a749dc794a98f6c2424eca3c070e8874fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88e4fe111e373f6a8b26eadd664c4a749dc794a98f6c2424eca3c070e8874fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e4fe111e373f6a8b26eadd664c4a749dc794a98f6c2424eca3c070e8874fc0", kill_on_drop: false }`
[INFO] [stdout] 88e4fe111e373f6a8b26eadd664c4a749dc794a98f6c2424eca3c070e8874fc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf187d63c6813598e1db3ff2016aea9ed79f78d7b4a6a401a297a45309690242
[INFO] running `Command { std: "docker" "start" "-a" "cf187d63c6813598e1db3ff2016aea9ed79f78d7b4a6a401a297a45309690242", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling value-bag v1.9.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling bytes v1.6.1
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.93
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling event-listener v5.3.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling event-listener-strategy v0.5.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling camino v1.1.7
[INFO] [stderr]    Compiling wasm-bindgen v0.2.93
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling futures-lite v2.3.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling cc v1.0.104
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling vergen v8.3.2
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling dunce v1.0.4
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling console v0.15.8
[INFO] [stderr]    Compiling borsh v1.5.1
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling http-body v1.0.0
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling piper v0.2.3
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling blocking v1.6.1
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling tinyvec v1.6.1
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d98a5da813da67eb189387b8ccfb73cf481275d8/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.68/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=6edd5eec4897ff23 -C extra-filename=-dbeec4bc730f8f10 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-233542a34ab8b329.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ae4695d8fa8c85c2.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-e192ee94db305c87.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cf187d63c6813598e1db3ff2016aea9ed79f78d7b4a6a401a297a45309690242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf187d63c6813598e1db3ff2016aea9ed79f78d7b4a6a401a297a45309690242", kill_on_drop: false }`
[INFO] [stdout] cf187d63c6813598e1db3ff2016aea9ed79f78d7b4a6a401a297a45309690242