[INFO] fetching crate mythic 0.1.0...
[INFO] testing mythic-0.1.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate mythic 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mythic 0.1.0
[INFO] finished tweaking crates.io crate mythic 0.1.0
[INFO] tweaked toml for crates.io crate mythic 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mythic 0.1.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mythic 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" "+1.100.0-beta.1" "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-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5344f228e88312d45da4b7998dfc8d8c41910162c2a082f3cce9bff71203aabe
[INFO] running `Command { std: "docker" "start" "5344f228e88312d45da4b7998dfc8d8c41910162c2a082f3cce9bff71203aabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5344f228e88312d45da4b7998dfc8d8c41910162c2a082f3cce9bff71203aabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5344f228e88312d45da4b7998dfc8d8c41910162c2a082f3cce9bff71203aabe" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5344f228e88312d45da4b7998dfc8d8c41910162c2a082f3cce9bff71203aabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5344f228e88312d45da4b7998dfc8d8c41910162c2a082f3cce9bff71203aabe" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling cc v1.1.21
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling libloading v0.8.5
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling cpufeatures v0.2.14
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling flate2 v1.0.33
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling fdeflate v0.3.4
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling rayon v1.8.1
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]    Compiling png v0.17.13
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling ff v0.13.0
[INFO] [stderr]    Compiling euclid v0.22.11
[INFO] [stderr]    Compiling byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling unicode-general-category v0.6.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling raw-window-handle v0.5.2
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling wayland-sys v0.31.5
[INFO] [stderr]    Compiling by_address v1.2.1
[INFO] [stderr]    Compiling palette v0.7.6
[INFO] [stderr]    Compiling xml-rs v0.8.22
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling wayland-backend v0.3.7
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling flume v0.11.0
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling unicode-script v0.5.7
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling roxmltree v0.20.0
[INFO] [stderr]    Compiling ttf-parser v0.19.2
[INFO] [stderr]    Compiling fast-srgb8 v1.0.0
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling unicode-bidi-mirroring v0.1.0
[INFO] [stderr]    Compiling unicode-ccc v0.1.2
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling lyon_geom v1.0.5
[INFO] [stderr]    Compiling gif v0.13.1
[INFO] [stderr]    Compiling exr v1.72.0
[INFO] [stderr]    Compiling memmap2 v0.6.2
[INFO] [stderr]    Compiling fontconfig-parser v0.5.7
[INFO] [stderr]    Compiling kurbo v0.9.5
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[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/1.100.0-beta.1-x86_64-unknown-linux-gnu/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,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debug-assertions=off --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="quote"' --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", "quote", "test", "visit", "visit-mut"))' -C metadata=cce41c27beb0ee49 -C extra-filename=-e8a54aefe3be2eec --out-dir /opt/rustwide/target/release/build/syn/e8a54aefe3be2eec/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/proc-macro2/b319d056da4bb129/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/abf07a0aa48cc30a/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/b319d056da4bb129/out/libproc_macro2-b319d056da4bb129.rmeta --extern quote=/opt/rustwide/target/release/build/quote/82bfd4d7c6a929f6/out/libquote-82bfd4d7c6a929f6.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/abf07a0aa48cc30a/out/libunicode_ident-abf07a0aa48cc30a.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5344f228e88312d45da4b7998dfc8d8c41910162c2a082f3cce9bff71203aabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5344f228e88312d45da4b7998dfc8d8c41910162c2a082f3cce9bff71203aabe", kill_on_drop: false }`
[INFO] [stdout] 5344f228e88312d45da4b7998dfc8d8c41910162c2a082f3cce9bff71203aabe
