[INFO] cloning repository https://github.com/flum1025/twistributer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flum1025/twistributer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflum1025%2Ftwistributer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflum1025%2Ftwistributer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d96f63663981d451ecbcb3190d9ea7fe4b513653
[INFO] checking flum1025/twistributer against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflum1025%2Ftwistributer" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flum1025/twistributer on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flum1025/twistributer
[INFO] finished tweaking git repo https://github.com/flum1025/twistributer
[INFO] tweaked toml for git repo https://github.com/flum1025/twistributer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/flum1025/twistributer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang-nursery/rust-clippy`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mime v0.3.9
[INFO] [stderr]   Downloaded uuid v0.7.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.9
[INFO] [stderr]   Downloaded tokio v0.1.8
[INFO] [stderr]   Downloaded toml v0.4.6
[INFO] [stderr]   Downloaded unicode-normalization v0.1.7
[INFO] [stderr]   Downloaded tokio-executor v0.1.4
[INFO] [stderr]   Downloaded syn v0.15.4
[INFO] [stderr]   Downloaded route-recognizer v0.1.12
[INFO] [stderr]   Downloaded want v0.0.6
[INFO] [stderr]   Downloaded hyper v0.12.10
[INFO] [stderr]   Downloaded lock_api v0.1.3
[INFO] [stderr]   Downloaded serde_derive v1.0.79
[INFO] [stderr]   Downloaded router v0.6.0
[INFO] [stderr]   Downloaded backtrace v0.3.9
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.1
[INFO] [stderr]   Downloaded quote v0.6.8
[INFO] [stderr]   Downloaded pulldown-cmark v0.1.2
[INFO] [stderr]   Downloaded tokio-timer v0.2.6
[INFO] [stderr]   Downloaded humantime v1.1.1
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.3
[INFO] [stderr]   Downloaded security-framework-sys v0.2.1
[INFO] [stderr]   Downloaded logger v0.4.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.36
[INFO] [stderr]   Downloaded native-tls v0.2.1
[INFO] [stderr]   Downloaded mime_guess v1.8.6
[INFO] [stderr]   Downloaded openssl v0.10.12
[INFO] [stderr]   Downloaded h2 v0.1.12
[INFO] [stderr]   Downloaded indexmap v1.0.1
[INFO] [stderr]   Downloaded phf v0.7.23
[INFO] [stderr]   Downloaded utf8-ranges v1.0.1
[INFO] [stderr]   Downloaded getopts v0.2.18
[INFO] [stderr]   Downloaded if_chain v0.1.3
[INFO] [stderr]   Downloaded memchr v2.1.0
[INFO] [stderr]   Downloaded tempfile v3.0.4
[INFO] [stderr]   Downloaded reqwest v0.9.1
[INFO] [stderr]   Downloaded ucd-util v0.1.1
[INFO] [stderr]   Downloaded hyper-tls v0.3.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.1
[INFO] [stderr]   Downloaded quine-mc_cluskey v0.2.4
[INFO] [stderr]   Downloaded security-framework v0.2.1
[INFO] [stderr]   Downloaded serde v1.0.79
[INFO] [stderr]   Downloaded futures v0.1.24
[INFO] [stderr]   Downloaded iron v0.6.0
[INFO] [stderr]   Downloaded regex v1.0.5
[INFO] [stderr]   Downloaded vcpkg v0.2.6
[INFO] [stderr]   Downloaded itertools v0.7.8
[INFO] [stderr]   Downloaded unsafe-any v0.4.2
[INFO] [stderr]   Downloaded yaml-rust v0.4.2
[INFO] [stderr]   Downloaded winapi-util v0.1.1
[INFO] [stderr]   Downloaded phf_generator v0.7.23
[INFO] [stderr]   Downloaded schannel v0.1.13
[INFO] [stderr]   Downloaded backtrace-sys v0.1.24
[INFO] [stderr]   Downloaded fern v0.5.6
[INFO] [stderr]   Downloaded url v1.7.1
[INFO] [stderr]   Downloaded encoding_rs v0.8.6
[INFO] [stderr]   Downloaded dirs v1.0.3
[INFO] [stderr]   Downloaded regex-syntax v0.6.2
[INFO] [stderr]   Downloaded cargo_metadata v0.6.0
[INFO] [stderr]   Downloaded phf_codegen v0.7.23
[INFO] [stderr]   Downloaded crossbeam-epoch v0.5.2
[INFO] [stderr]   Downloaded tokio-tcp v0.1.1
[INFO] [stderr]   Downloaded tokio-udp v0.1.2
[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded ryu v0.2.6
[INFO] [stderr]   Downloaded string v0.1.1
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded rand v0.5.5
[INFO] [stderr]   Downloaded bytes v0.4.10
[INFO] [stderr]   Downloaded tokio-reactor v0.1.5
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.6
[INFO] [stderr]   Downloaded tokio-codec v0.1.0
[INFO] [stderr]   Downloaded log v0.4.5
[INFO] [stderr]   Downloaded tokio-uds v0.2.1
[INFO] [stderr]   Downloaded aho-corasick v0.6.8
[INFO] [stderr]   Downloaded http v0.1.13
[INFO] [stderr]   Downloaded serde_json v1.0.28
[INFO] [stderr]   Downloaded cc v1.0.25
[INFO] [stderr]   Downloaded libflate v0.1.16
[INFO] [stderr]   Downloaded httparse v1.3.2
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.5.0
[INFO] [stderr]   Downloaded tokio-fs v0.1.3
[INFO] [stderr]   Downloaded serde_yaml v0.8.4
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded slab v0.4.1
[INFO] [stderr]   Downloaded linked-hash-map v0.5.1
[INFO] [stderr]   Downloaded tokio-io v0.1.8
[INFO] [stderr]   Downloaded phf_shared v0.7.23
[INFO] [stderr]   Downloaded lazycell v1.2.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.19
[INFO] [stderr]   Downloaded users v0.7.0
[INFO] [stderr]   Downloaded cargo-make v0.14.0
[INFO] [stderr]   Downloaded shell2batch v0.2.0
[INFO] [stderr]   Downloaded ci_info v0.1.19
[INFO] [stderr]   Downloaded run_script v0.1.20
[INFO] [stderr]   Downloaded rust_info v0.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 084606a8a28afc63b62491cf53a143a70b959796566b628501db8f86423d49c7
[INFO] running `Command { std: "docker" "start" "-a" "084606a8a28afc63b62491cf53a143a70b959796566b628501db8f86423d49c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "084606a8a28afc63b62491cf53a143a70b959796566b628501db8f86423d49c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "084606a8a28afc63b62491cf53a143a70b959796566b628501db8f86423d49c7", kill_on_drop: false }`
[INFO] [stdout] 084606a8a28afc63b62491cf53a143a70b959796566b628501db8f86423d49c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e2ff1c0b6e63fc76944e9d580bc18f2bda547b9925c6dcab21f6d64cf084cc1
[INFO] running `Command { std: "docker" "start" "-a" "9e2ff1c0b6e63fc76944e9d580bc18f2bda547b9925c6dcab21f6d64cf084cc1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: failed to create jobserver
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to increase jobserver pipe capacity from 4096 to 8192; jobserver otherwise might deadlock
[INFO] running `Command { std: "docker" "inspect" "9e2ff1c0b6e63fc76944e9d580bc18f2bda547b9925c6dcab21f6d64cf084cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e2ff1c0b6e63fc76944e9d580bc18f2bda547b9925c6dcab21f6d64cf084cc1", kill_on_drop: false }`
[INFO] [stdout] 9e2ff1c0b6e63fc76944e9d580bc18f2bda547b9925c6dcab21f6d64cf084cc1