[INFO] fetching crate micron 0.1.0...
[INFO] testing micron-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate micron 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate micron 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate micron 0.1.0
[INFO] tweaked toml for crates.io crate micron 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate micron 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate micron 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6839d623281f12718006286a4af79428ec1713869aa2769cf3ab8a3f41239ac4
[INFO] running `Command { std: "docker" "start" "-a" "6839d623281f12718006286a4af79428ec1713869aa2769cf3ab8a3f41239ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6839d623281f12718006286a4af79428ec1713869aa2769cf3ab8a3f41239ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6839d623281f12718006286a4af79428ec1713869aa2769cf3ab8a3f41239ac4", kill_on_drop: false }`
[INFO] [stdout] 6839d623281f12718006286a4af79428ec1713869aa2769cf3ab8a3f41239ac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60c982810e0d7b8ac8f0235e0386073bb708dc5bab773aad735a6656e1e9d1ec
[INFO] running `Command { std: "docker" "start" "-a" "60c982810e0d7b8ac8f0235e0386073bb708dc5bab773aad735a6656e1e9d1ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.99
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling zerocopy v0.7.34
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling http-body v1.0.0
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling litemap v0.7.3
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling miniz_oxide v0.7.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling http-body-util v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling aligned-vec v0.5.0
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling built v0.7.4
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling v_frame v0.3.8
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling axum-core v0.4.3
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling bytemuck v1.16.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling polyval v0.6.2
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling flate2 v1.0.30
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling av1-grain v0.2.3
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling imgref v1.10.1
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling bitstream-io v2.5.3
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling rust_decimal v1.35.0
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling loop9 v0.1.5
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling dlv-list v0.5.2
[INFO] [stderr]    Compiling regex v1.10.4
[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/c2e32f1c9652b13ed99608599c1e855462f421f3/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=d61847ed8318f4e5 -C extra-filename=-aa04de2187d51948 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-46e7d925fc70f96e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a0057a09c8f21cf9.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.rmeta --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" "60c982810e0d7b8ac8f0235e0386073bb708dc5bab773aad735a6656e1e9d1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c982810e0d7b8ac8f0235e0386073bb708dc5bab773aad735a6656e1e9d1ec", kill_on_drop: false }`
[INFO] [stdout] 60c982810e0d7b8ac8f0235e0386073bb708dc5bab773aad735a6656e1e9d1ec