[INFO] cloning repository https://github.com/doc22940/flat.manager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/doc22940/flat.manager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoc22940%2Fflat.manager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoc22940%2Fflat.manager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5252cb3f691d82d74b3ef5eb0276e216f215e461
[INFO] testing doc22940/flat.manager against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoc22940%2Fflat.manager" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/doc22940/flat.manager on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/doc22940/flat.manager
[INFO] finished tweaking git repo https://github.com/doc22940/flat.manager
[INFO] tweaked toml for git repo https://github.com/doc22940/flat.manager written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/doc22940/flat.manager already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05e3b1394b2b515ec7885edc62be232863afc433ea010bffa5aabc635e6d554e
[INFO] running `Command { std: "docker" "start" "-a" "05e3b1394b2b515ec7885edc62be232863afc433ea010bffa5aabc635e6d554e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05e3b1394b2b515ec7885edc62be232863afc433ea010bffa5aabc635e6d554e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e3b1394b2b515ec7885edc62be232863afc433ea010bffa5aabc635e6d554e", kill_on_drop: false }`
[INFO] [stdout] 05e3b1394b2b515ec7885edc62be232863afc433ea010bffa5aabc635e6d554e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50c2c6a178f445663d0fc407dd02e5db5607f4f13453f4113d464edbdbc24b43
[INFO] running `Command { std: "docker" "start" "-a" "50c2c6a178f445663d0fc407dd02e5db5607f4f13453f4113d464edbdbc24b43", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling arc-swap v0.4.3
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling tokio-sync v0.1.7
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling tower-service v0.1.0
[INFO] [stderr]    Compiling actix-web v0.7.19
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling futures-locks v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.11.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling signal-hook-registry v1.1.1
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling filetime v0.2.7
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling unicode-normalization v0.1.9
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling signal-hook v0.1.11
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling flate2 v1.0.12
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling resolv-conf v0.6.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling mio v0.6.19
[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-0.11.11/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="quote"' --cfg 'feature="synom"' --cfg 'feature="unicode-xid"' -C metadata=2baab608a3737a5a -C extra-filename=-2baab608a3737a5a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern quote=/opt/rustwide/target/debug/deps/libquote-b2c35a218d36bb02.rmeta --extern synom=/opt/rustwide/target/debug/deps/libsynom-4b1c9bdcc8c8e2e4.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-cd1c3572c9c6f6da.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" "50c2c6a178f445663d0fc407dd02e5db5607f4f13453f4113d464edbdbc24b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50c2c6a178f445663d0fc407dd02e5db5607f4f13453f4113d464edbdbc24b43", kill_on_drop: false }`
[INFO] [stdout] 50c2c6a178f445663d0fc407dd02e5db5607f4f13453f4113d464edbdbc24b43