[INFO] fetching crate twitter_privacy 0.3.0...
[INFO] checking twitter_privacy-0.3.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate twitter_privacy 0.3.0 into /workspace/builds/worker-44/source
[INFO] validating manifest of crates.io crate twitter_privacy 0.3.0 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 crates.io crate twitter_privacy 0.3.0
[INFO] finished tweaking crates.io crate twitter_privacy 0.3.0
[INFO] tweaked toml for crates.io crate twitter_privacy 0.3.0 written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate crates.io crate twitter_privacy 0.3.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-uds v0.2.5
[INFO] [stderr]   Downloaded vcpkg v0.2.6
[INFO] [stderr]   Downloaded schannel v0.1.14
[INFO] [stderr]   Downloaded openssl v0.10.24
[INFO] [stderr]   Downloaded httparse v1.3.3
[INFO] [stderr]   Downloaded rustc-demangle v0.1.13
[INFO] [stderr]   Downloaded synstructure v0.10.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.49
[INFO] [stderr]   Downloaded backtrace-sys v0.1.28
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.5
[INFO] [stderr]   Downloaded mio v0.6.16
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded pretty_env_logger v0.3.1
[INFO] [stderr]   Downloaded sha-1 v0.8.1
[INFO] [stderr]   Downloaded backtrace v0.3.13
[INFO] [stderr]   Downloaded quote v0.6.11
[INFO] [stderr]   Downloaded dotenv v0.14.1
[INFO] [stderr]   Downloaded hmac v0.7.1
[INFO] [stderr]   Downloaded proc-macro2 v0.4.26
[INFO] [stderr]   Downloaded subtle v1.0.0
[INFO] [stderr]   Downloaded serde v1.0.100
[INFO] [stderr]   Downloaded syn v0.15.26
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded ctor v0.1.10
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded remove_dir_all v0.5.1
[INFO] [stderr]   Downloaded serde_json v1.0.40
[INFO] [stderr]   Downloaded tokio-timer v0.2.9
[INFO] [stderr]   Downloaded generic-array v0.12.3
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.3
[INFO] [stderr]   Downloaded egg-mode v0.13.0
[INFO] [stderr]   Downloaded rand_pcg v0.1.1
[INFO] [stderr]   Downloaded quickcheck v0.9.0
[INFO] [stderr]   Downloaded rand_jitter v0.1.1
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded tokio-udp v0.1.3
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded smallvec v0.6.8
[INFO] [stderr]   Downloaded chrono v0.4.6
[INFO] [stderr]   Downloaded rand v0.7.1
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.15
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded humantime v1.2.0
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded unicase v2.2.0
[INFO] [stderr]   Downloaded block-padding v0.1.4
[INFO] [stderr]   Downloaded typenum v1.10.0
[INFO] [stderr]   Downloaded num-traits v0.2.6
[INFO] [stderr]   Downloaded redox_syscall v0.1.51
[INFO] [stderr]   Downloaded wincolor v1.0.1
[INFO] [stderr]   Downloaded termcolor v1.0.4
[INFO] [stderr]   Downloaded tokio-fs v0.1.6
[INFO] [stderr]   Downloaded arrayvec v0.4.10
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.1
[INFO] [stderr]   Downloaded mio-uds v0.6.7
[INFO] [stderr]   Downloaded tokio-codec v0.1.1
[INFO] [stderr]   Downloaded num_cpus v1.9.0
[INFO] [stderr]   Downloaded autocfg v0.1.2
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded rand_os v0.1.2
[INFO] [stderr]   Downloaded bytes v0.4.11
[INFO] [stderr]   Downloaded byteorder v1.3.1
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded tokio-io v0.1.11
[INFO] [stderr]   Downloaded tokio-reactor v0.1.8
[INFO] [stderr]   Downloaded crypto-mac v0.7.0
[INFO] [stderr]   Downloaded cc v1.0.28
[INFO] [stderr]   Downloaded mime v0.3.13
[INFO] [stderr]   Downloaded pkg-config v0.3.14
[INFO] [stderr]   Downloaded serde_derive v1.0.100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] d5410a814dd6e785e81c89be1fdc9694bd1a383de355b95e37552d18dd77c31a
[INFO] running `Command { std: "docker" "start" "-a" "d5410a814dd6e785e81c89be1fdc9694bd1a383de355b95e37552d18dd77c31a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5410a814dd6e785e81c89be1fdc9694bd1a383de355b95e37552d18dd77c31a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5410a814dd6e785e81c89be1fdc9694bd1a383de355b95e37552d18dd77c31a", kill_on_drop: false }`
[INFO] [stdout] d5410a814dd6e785e81c89be1fdc9694bd1a383de355b95e37552d18dd77c31a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 6c6595ed2b4199ea52849c6954e941de370c6b0fdfec1874ef39e9bc9a65a505
[INFO] running `Command { std: "docker" "start" "-a" "6c6595ed2b4199ea52849c6954e941de370c6b0fdfec1874ef39e9bc9a65a505", 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" "6c6595ed2b4199ea52849c6954e941de370c6b0fdfec1874ef39e9bc9a65a505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c6595ed2b4199ea52849c6954e941de370c6b0fdfec1874ef39e9bc9a65a505", kill_on_drop: false }`
[INFO] [stdout] 6c6595ed2b4199ea52849c6954e941de370c6b0fdfec1874ef39e9bc9a65a505