[INFO] fetching crate elmo 0.0.1...
[INFO] checking elmo-0.0.1 against master#42f4793e5a514858221b07ac379029d90353913e for pr-148952
[INFO] extracting crate elmo 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate elmo 0.0.1
[INFO] finished tweaking crates.io crate elmo 0.0.1
[INFO] tweaked toml for crates.io crate elmo 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate elmo 0.0.1 on toolchain 42f4793e5a514858221b07ac379029d90353913e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate elmo 0.0.1 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" "+42f4793e5a514858221b07ac379029d90353913e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f49ebd7d2ae11e035fa7d278ab1e04cb7f9f970e08abb31261c14151e53f5ecd
[INFO] running `Command { std: "docker" "start" "-a" "f49ebd7d2ae11e035fa7d278ab1e04cb7f9f970e08abb31261c14151e53f5ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f49ebd7d2ae11e035fa7d278ab1e04cb7f9f970e08abb31261c14151e53f5ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f49ebd7d2ae11e035fa7d278ab1e04cb7f9f970e08abb31261c14151e53f5ecd", kill_on_drop: false }`
[INFO] [stdout] f49ebd7d2ae11e035fa7d278ab1e04cb7f9f970e08abb31261c14151e53f5ecd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b3c8f76b0a8dca009af7d6909e97d8a0bb62189dd42695d1dc0206ff80053e7
[INFO] running `Command { std: "docker" "start" "-a" "2b3c8f76b0a8dca009af7d6909e97d8a0bb62189dd42695d1dc0206ff80053e7", kill_on_drop: false }`
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[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking nb-connect v1.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking slog-term v2.8.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking cron v0.9.0
[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/42f4793e5a514858221b07ac379029d90353913e/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.80/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"' --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=a12151f2055def65 -C extra-filename=-dbac793adda1fe6f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-af190eefa8a5a4ca.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5cf9b03d964b6d90.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-9a308e948d49b175.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" "2b3c8f76b0a8dca009af7d6909e97d8a0bb62189dd42695d1dc0206ff80053e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3c8f76b0a8dca009af7d6909e97d8a0bb62189dd42695d1dc0206ff80053e7", kill_on_drop: false }`
[INFO] [stdout] 2b3c8f76b0a8dca009af7d6909e97d8a0bb62189dd42695d1dc0206ff80053e7
