[INFO] fetching crate release-me 0.1.0...
[INFO] checking release-me-0.1.0 against master#568b11762723b001bfa693d0f21c5dad01d4e813 for pr-149518
[INFO] extracting crate release-me 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate release-me 0.1.0
[INFO] finished tweaking crates.io crate release-me 0.1.0
[INFO] tweaked toml for crates.io crate release-me 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate release-me 0.1.0 on toolchain 568b11762723b001bfa693d0f21c5dad01d4e813
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 232 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.53)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding git2 v0.8.0 (available: v0.20.3)
[INFO] [stderr]       Adding gitmoji-changelog v0.3.1 (available: v0.4.0)
[INFO] [stderr]       Adding reqwest v0.9.24 (available: v0.12.26)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_os v0.1.3
[INFO] [stderr]   Downloaded rand_pcg v0.1.2
[INFO] [stderr]   Downloaded autocfg v0.1.8
[INFO] [stderr]   Downloaded winreg v0.6.2
[INFO] [stderr]   Downloaded try_from v0.3.2
[INFO] [stderr]   Downloaded rand_xorshift v0.1.1
[INFO] [stderr]   Downloaded http-body v0.1.0
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded rand_chacha v0.1.1
[INFO] [stderr]   Downloaded want v0.2.0
[INFO] [stderr]   Downloaded string v0.2.1
[INFO] [stderr]   Downloaded percent-encoding v1.0.1
[INFO] [stderr]   Downloaded tokio-tcp v0.1.4
[INFO] [stderr]   Downloaded tokio-executor v0.1.10
[INFO] [stderr]   Downloaded gitmoji-changelog v0.3.1
[INFO] [stderr]   Downloaded publicsuffix v1.5.6
[INFO] [stderr]   Downloaded futures-cpupool v0.1.8
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.7
[INFO] [stderr]   Downloaded net2 v0.2.39
[INFO] [stderr]   Downloaded base64 v0.10.1
[INFO] [stderr]   Downloaded handlebars v1.1.0
[INFO] [stderr]   Downloaded url v1.7.2
[INFO] [stderr]   Downloaded http v0.1.21
[INFO] [stderr]   Downloaded hyper v0.12.36
[INFO] [stderr]   Downloaded reqwest v0.9.24
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.18
[INFO] [stderr]   Downloaded git2 v0.8.0
[INFO] [stderr]   Downloaded h2 v0.1.26
[INFO] [stderr]   Downloaded cookie v0.12.0
[INFO] [stderr]   Downloaded idna v0.2.3
[INFO] [stderr]   Downloaded tokio v0.1.22
[INFO] [stderr]   Downloaded idna v0.1.5
[INFO] [stderr]   Downloaded bytes v0.4.12
[INFO] [stderr]   Downloaded rand v0.6.5
[INFO] [stderr]   Downloaded lock_api v0.3.4
[INFO] [stderr]   Downloaded parking_lot_core v0.6.3
[INFO] [stderr]   Downloaded tokio-sync v0.1.8
[INFO] [stderr]   Downloaded tokio-reactor v0.1.12
[INFO] [stderr]   Downloaded tokio-io v0.1.13
[INFO] [stderr]   Downloaded rand_jitter v0.1.4
[INFO] [stderr]   Downloaded uuid v0.7.4
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded parking_lot v0.9.0
[INFO] [stderr]   Downloaded libssh2-sys v0.2.23
[INFO] [stderr]   Downloaded tokio-timer v0.2.13
[INFO] [stderr]   Downloaded cookie_store v0.7.0
[INFO] [stderr]   Downloaded tokio-buf v0.1.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded hyper-tls v0.3.2
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.5
[INFO] [stderr]   Downloaded rand_hc v0.1.0
[INFO] [stderr]   Downloaded rand_isaac v0.1.1
[INFO] [stderr]   Downloaded libz-sys v1.1.23
[INFO] [stderr]   Downloaded libgit2-sys v0.7.11
[INFO] [stderr]   Downloaded curl-sys v0.4.84+curl-8.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08b08384ed28918924f364861d8724d47d0833b12a9946860f5147d325603151
[INFO] running `Command { std: "docker" "start" "-a" "08b08384ed28918924f364861d8724d47d0833b12a9946860f5147d325603151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08b08384ed28918924f364861d8724d47d0833b12a9946860f5147d325603151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08b08384ed28918924f364861d8724d47d0833b12a9946860f5147d325603151", kill_on_drop: false }`
[INFO] [stdout] 08b08384ed28918924f364861d8724d47d0833b12a9946860f5147d325603151
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef3fa9debb52b57f283a6088de5d72aa9bec84ae24ccf447ffe99260acb4f171
[INFO] running `Command { std: "docker" "start" "-a" "ef3fa9debb52b57f283a6088de5d72aa9bec84ae24ccf447ffe99260acb4f171", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking tinyvec v1.10.0
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]     Checking litemap v0.8.1
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]    Compiling cc v1.2.49
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]     Checking simd-adler32 v0.3.8
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling pest v2.8.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling libz-sys v1.1.23
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling curl-sys v0.4.84+curl-8.17.0
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking rustc-demangle v0.1.26
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]    Compiling pest_meta v2.8.4
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[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/568b11762723b001bfa693d0f21c5dad01d4e813/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.111/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"' --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=8ef2d010c0ba03f7 -C extra-filename=-8987d1aef18bc000 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1fa2a4182ec7eb61.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-aa5fcb7eb0e8d6c1.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.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" "ef3fa9debb52b57f283a6088de5d72aa9bec84ae24ccf447ffe99260acb4f171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3fa9debb52b57f283a6088de5d72aa9bec84ae24ccf447ffe99260acb4f171", kill_on_drop: false }`
[INFO] [stdout] ef3fa9debb52b57f283a6088de5d72aa9bec84ae24ccf447ffe99260acb4f171