[INFO] cloning repository https://github.com/mitsuhiko/logteewoop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mitsuhiko/logteewoop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitsuhiko%2Flogteewoop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitsuhiko%2Flogteewoop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c32ff97c2566da1f75aeebafd6ac53a5fdbea467
[INFO] testing mitsuhiko/logteewoop against try#28eff87d300677d3acc4d7129d31c74bf885cf6d for pr-94775
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitsuhiko%2Flogteewoop" "/workspace/builds/worker-100/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-100/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mitsuhiko/logteewoop on toolchain 28eff87d300677d3acc4d7129d31c74bf885cf6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+28eff87d300677d3acc4d7129d31c74bf885cf6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mitsuhiko/logteewoop
[INFO] finished tweaking git repo https://github.com/mitsuhiko/logteewoop
[INFO] tweaked toml for git repo https://github.com/mitsuhiko/logteewoop written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] crate git repo https://github.com/mitsuhiko/logteewoop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+28eff87d300677d3acc4d7129d31c74bf885cf6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+28eff87d300677d3acc4d7129d31c74bf885cf6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efa6a8b714f44b5f35de9b9d6494de262567f9926038a9eb90263cbea5dfa349
[INFO] running `Command { std: "docker" "start" "-a" "efa6a8b714f44b5f35de9b9d6494de262567f9926038a9eb90263cbea5dfa349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efa6a8b714f44b5f35de9b9d6494de262567f9926038a9eb90263cbea5dfa349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa6a8b714f44b5f35de9b9d6494de262567f9926038a9eb90263cbea5dfa349", kill_on_drop: false }`
[INFO] [stdout] efa6a8b714f44b5f35de9b9d6494de262567f9926038a9eb90263cbea5dfa349
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+28eff87d300677d3acc4d7129d31c74bf885cf6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47f25fb0b75b2e66a1a1e5113b1006eba813512f9f7e6d08cc1e08a80ee00bb8
[INFO] running `Command { std: "docker" "start" "-a" "47f25fb0b75b2e66a1a1e5113b1006eba813512f9f7e6d08cc1e08a80ee00bb8", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Compiling libc v0.2.48
[INFO] [stderr] Compiling cfg-if v0.1.6
[INFO] [stderr] Compiling rand_core v0.4.0
[INFO] [stderr] Compiling autocfg v0.1.2
[INFO] [stderr] Compiling semver-parser v0.7.0
[INFO] [stderr] Compiling lazy_static v1.2.0
[INFO] [stderr] Compiling proc-macro2 v0.4.27
[INFO] [stderr] Compiling void v1.0.2
[INFO] [stderr] Compiling unicode-xid v0.1.0
[INFO] [stderr] Compiling cc v1.0.29
[INFO] [stderr] Compiling byteorder v1.3.1
[INFO] [stderr] Compiling version_check v0.1.5
[INFO] [stderr] Compiling futures v0.1.25
[INFO] [stderr] Compiling scopeguard v0.3.3
[INFO] [stderr] Compiling slab v0.4.2
[INFO] [stderr] Compiling stable_deref_trait v1.1.1
[INFO] [stderr] Compiling encoding_index_tests v0.1.4
[INFO] [stderr] Compiling lazycell v1.2.1
[INFO] [stderr] Compiling arrayvec v0.4.10
[INFO] [stderr] Compiling nodrop v0.1.13
[INFO] [stderr] Compiling matches v0.1.8
[INFO] [stderr] Compiling memoffset v0.2.1
[INFO] [stderr] Compiling failure_derive v0.1.5
[INFO] [stderr] Compiling memchr v2.1.3
[INFO] [stderr] Compiling serde v1.0.87
[INFO] [stderr] Compiling percent-encoding v1.0.1
[INFO] [stderr] Compiling rustc-demangle v0.1.13
[INFO] [stderr] Compiling siphasher v0.2.3
[INFO] [stderr] Compiling linked-hash-map v0.4.2
[INFO] [stderr] Compiling bitflags v1.0.4
[INFO] [stderr] Compiling arc-swap v0.3.7
[INFO] [stderr] Compiling itoa v0.4.3
[INFO] [stderr] Compiling fnv v1.0.6
[INFO] [stderr] Compiling quick-error v1.2.2
[INFO] [stderr] Compiling crc32fast v1.1.2
[INFO] [stderr] Compiling num-traits v0.2.6
[INFO] [stderr] Compiling ryu v0.2.7
[INFO] [stderr] Compiling httparse v1.3.3
[INFO] [stderr] Compiling ucd-util v0.1.3
[INFO] [stderr] Compiling unicode-width v0.1.5
[INFO] [stderr] Compiling untrusted v0.6.2
[INFO] [stderr] Compiling safemem v0.3.0
[INFO] [stderr] Compiling num-integer v0.1.39
[INFO] [stderr] Compiling regex v1.1.0
[INFO] [stderr] Compiling unicode-segmentation v1.2.1
[INFO] [stderr] Compiling strsim v0.7.0
[INFO] [stderr] Compiling dtoa v0.4.3
[INFO] [stderr] Compiling utf8-ranges v1.0.2
[INFO] [stderr] Compiling indexmap v1.0.2
[INFO] [stderr] Compiling string v0.1.3
[INFO] [stderr] Compiling vec_map v0.8.1
[INFO] [stderr] Compiling ansi_term v0.11.0
[INFO] [stderr] Compiling sha1 v0.6.0
[INFO] [stderr] Compiling language-tags v0.2.2
[INFO] [stderr] Compiling log v0.4.6
[INFO] [stderr] Compiling crossbeam-utils v0.6.5
[INFO] [stderr] Compiling thread_local v0.3.6
[INFO] [stderr] Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr] Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr] Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr] Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr] Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr] Compiling semver v0.9.0
[INFO] [stderr] Compiling rand_core v0.3.1
[INFO] [stderr] Compiling rand_jitter v0.1.3
[INFO] [stderr] Compiling unicode-bidi v0.3.4
[INFO] [stderr] Compiling unreachable v1.0.0
[INFO] [stderr] Compiling owning_ref v0.4.0
[INFO] [stderr] Compiling rand_isaac v0.1.1
[INFO] [stderr] Compiling rand_xorshift v0.1.1
[INFO] [stderr] Compiling rand_hc v0.1.0
[INFO] [stderr] Compiling rustc_version v0.2.3
[INFO] [stderr] Compiling smallvec v0.6.8
[INFO] [stderr] Compiling lru-cache v0.1.1
[INFO] [stderr] Compiling regex-syntax v0.6.5
[INFO] [stderr] Compiling textwrap v0.10.0
[INFO] [stderr] Compiling lock_api v0.1.5
[INFO] [stderr] Compiling heck v0.3.1
[INFO] [stderr] Compiling encoding v0.2.33
[INFO] [stderr] Compiling rand_chacha v0.1.1
[INFO] [stderr] Compiling rand v0.6.5
[INFO] [stderr] Compiling backtrace v0.3.13
[INFO] [stderr] Compiling unicase v1.4.2
[INFO] [stderr] Compiling unicase v2.2.0
[INFO] [stderr] Compiling v_escape v0.3.2
[INFO] [stderr] Compiling v_htmlescape v0.3.2
[INFO] [stderr] Compiling actix-web v0.7.18
[INFO] [stderr] Compiling unicode-normalization v0.1.8
[INFO] [stderr] Compiling crossbeam-channel v0.3.8
[INFO] [stderr] Compiling rand_pcg v0.1.1
[INFO] [stderr] Compiling parking_lot_core v0.4.0
[INFO] [stderr] Compiling backtrace-sys v0.1.28
[INFO] [stderr] Compiling brotli-sys v0.3.2
[INFO] [stderr] Compiling ring v0.13.5
[INFO] [stderr] Compiling miniz-sys v0.1.11
[INFO] [stderr] Compiling base64 v0.9.3
[INFO] [stderr] Compiling base64 v0.10.1
[INFO] [stderr] Compiling crossbeam-epoch v0.7.1
[INFO] [stderr] Compiling phf_shared v0.7.24
[INFO] [stderr] Compiling quote v0.6.11
[INFO] [stderr] Compiling tokio-executor v0.1.6
[INFO] [stderr] Compiling tokio-sync v0.1.1
[INFO] [stderr] Compiling tower-service v0.1.0
[INFO] [stderr] Compiling phf v0.7.24
[INFO] [stderr] Compiling rand_os v0.1.2
[INFO] [stderr] Compiling iovec v0.1.2
[INFO] [stderr] Compiling num_cpus v1.9.0
[INFO] [stderr] Compiling net2 v0.2.33
[INFO] [stderr] Compiling rand v0.5.6
[INFO] [stderr] Compiling socket2 v0.3.8
[INFO] [stderr] Compiling hostname v0.1.5
[INFO] [stderr] Compiling signal-hook v0.1.7
[INFO] [stderr] Compiling time v0.1.42
[INFO] [stderr] Compiling atty v0.2.11
[INFO] [stderr] Compiling crossbeam-deque v0.6.3
[INFO] [stderr] Compiling resolv-conf v0.6.2
[INFO] [stderr] Compiling tokio-timer v0.2.10
[INFO] [stderr] Compiling tokio-current-thread v0.1.4
[INFO] [stderr] Compiling syn v0.15.26
[INFO] [stderr] Compiling futures-cpupool v0.1.8
[INFO] [stderr] Compiling flate2 v1.0.6
[INFO] [stderr] Compiling clap v2.32.0
[INFO] [stderr] Compiling bytes v0.4.11
[INFO] [stderr] Compiling mime v0.3.13
[INFO] [stderr] Compiling idna v0.1.5
[INFO] [stderr] Compiling nom v4.2.0
[INFO] [stderr] Compiling aho-corasick v0.6.9
[INFO] [stderr] Compiling mio v0.6.16
[INFO] [stderr] Compiling synstructure v0.10.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr]
[INFO] [stderr] Caused by:
[INFO] [stderr] process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.26/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 -C debuginfo=2 --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"' -C metadata=aa1b5dc38a5166a9 -C extra-filename=-aa1b5dc38a5166a9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d586d2e93f3ede76.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1a69ecb534aa712c.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-17df5e5ca0bb5bda.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "47f25fb0b75b2e66a1a1e5113b1006eba813512f9f7e6d08cc1e08a80ee00bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47f25fb0b75b2e66a1a1e5113b1006eba813512f9f7e6d08cc1e08a80ee00bb8", kill_on_drop: false }`
[INFO] [stdout] 47f25fb0b75b2e66a1a1e5113b1006eba813512f9f7e6d08cc1e08a80ee00bb8