[INFO] fetching crate transmutation 0.3.1...
[INFO] checking transmutation-0.3.1 against try#349c4bfa6ac87b818f6fd19d4869c0b24790ac6a for pr-152856
[INFO] extracting crate transmutation 0.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate transmutation 0.3.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate transmutation 0.3.1
[INFO] tweaked toml for crates.io crate transmutation 0.3.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate transmutation 0.3.1 on toolchain 349c4bfa6ac87b818f6fd19d4869c0b24790ac6a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate transmutation 0.3.1 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" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88ff86ca7aef23fca5a63fc0f5b5d99f3a5430653aa4f3fd07a6788cfb7c6d4c
[INFO] running `Command { std: "docker" "start" "-a" "88ff86ca7aef23fca5a63fc0f5b5d99f3a5430653aa4f3fd07a6788cfb7c6d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88ff86ca7aef23fca5a63fc0f5b5d99f3a5430653aa4f3fd07a6788cfb7c6d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ff86ca7aef23fca5a63fc0f5b5d99f3a5430653aa4f3fd07a6788cfb7c6d4c", kill_on_drop: false }`
[INFO] [stdout] 88ff86ca7aef23fca5a63fc0f5b5d99f3a5430653aa4f3fd07a6788cfb7c6d4c
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c0f6fe12da0996cb2f6e0ebcdd4034daf25dcce94ef149de6b8cf7c57875006
[INFO] running `Command { std: "docker" "start" "-a" "3c0f6fe12da0996cb2f6e0ebcdd4034daf25dcce94ef149de6b8cf7c57875006", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking flate2 v1.1.4
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking deranged v0.5.4
[INFO] [stderr]    Compiling pest v2.8.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking dtoa v1.0.10
[INFO] [stderr]     Checking zopfli v0.8.2
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking dtoa-short v0.3.5
[INFO] [stderr]    Compiling selectors v0.26.0
[INFO] [stderr]     Checking pxfm v0.1.25
[INFO] [stderr]    Compiling zip v2.4.2
[INFO] [stderr]    Compiling markup5ever v0.14.1
[INFO] [stderr]     Checking rangemap v1.6.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking pom v1.1.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking crc v3.3.0
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling pest_meta v2.8.3
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking servo_arc v0.4.1
[INFO] [stderr]     Checking getopts v0.2.24
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]    Compiling winres v0.1.12
[INFO] [stderr]     Checking doc-comment v0.3.3
[INFO] [stderr]     Checking png v0.18.0
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking deunicode v1.6.2
[INFO] [stderr]    Compiling pulldown-cmark v0.13.0
[INFO] [stderr]    Compiling mockall_derive v0.13.1
[INFO] [stderr]     Checking cfb v0.10.0
[INFO] [stderr]     Checking nom_locate v4.2.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking slug v0.1.6
[INFO] [stderr]     Checking nalgebra v0.32.6
[INFO] [stderr]     Checking lzma-rust2 v0.13.0
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]    Compiling transmutation v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking type1-encoding-parser v0.1.0
[INFO] [stderr]     Checking adobe-cmap-parser v0.4.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking caseless v0.2.2
[INFO] [stderr]     Checking zip v0.6.6
[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/349c4bfa6ac87b818f6fd19d4869c0b24790ac6a/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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="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=d29ac0e5a94e0dd9 -C extra-filename=-470de0eb6726b92a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-369d8852c9a54258.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c6819fc659b84ed7.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b4c15d9166d0a657.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" "3c0f6fe12da0996cb2f6e0ebcdd4034daf25dcce94ef149de6b8cf7c57875006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c0f6fe12da0996cb2f6e0ebcdd4034daf25dcce94ef149de6b8cf7c57875006", kill_on_drop: false }`
[INFO] [stdout] 3c0f6fe12da0996cb2f6e0ebcdd4034daf25dcce94ef149de6b8cf7c57875006