[INFO] cloning repository https://github.com/raohassan4212/my-project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raohassan4212/my-project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraohassan4212%2Fmy-project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraohassan4212%2Fmy-project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df79eaea76e26403acb965cc0b5b7a7fcbc9516c
[INFO] checking raohassan4212/my-project against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraohassan4212%2Fmy-project" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/raohassan4212/my-project 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/raohassan4212/my-project
[INFO] finished tweaking git repo https://github.com/raohassan4212/my-project
[INFO] tweaked toml for git repo https://github.com/raohassan4212/my-project written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/raohassan4212/my-project 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 devise v0.2.0
[INFO] [stderr]   Downloaded devise_codegen v0.2.0
[INFO] [stderr]   Downloaded devise_core v0.2.0
[INFO] [stderr]   Downloaded toml v0.4.10
[INFO] [stderr]   Downloaded glob v0.3.0
[INFO] [stderr]   Downloaded tokio-timer v0.2.13
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.18
[INFO] [stderr]   Downloaded hyper v0.12.35
[INFO] [stderr]   Downloaded publicsuffix v1.5.4
[INFO] [stderr]   Downloaded error-chain v0.12.4
[INFO] [stderr]   Downloaded backtrace v0.3.53
[INFO] [stderr]   Downloaded hyper-tls v0.3.2
[INFO] [stderr]   Downloaded tokio-buf v0.1.1
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded tokio-sync v0.1.8
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded cookie v0.12.0
[INFO] [stderr]   Downloaded object v0.21.1
[INFO] [stderr]   Downloaded flate2 v1.0.18
[INFO] [stderr]   Downloaded aes v0.3.2
[INFO] [stderr]   Downloaded want v0.2.0
[INFO] [stderr]   Downloaded reqwest v0.9.24
[INFO] [stderr]   Downloaded regex-syntax v0.6.20
[INFO] [stderr]   Downloaded rocket v0.4.5
[INFO] [stderr]   Downloaded serde_json v1.0.59
[INFO] [stderr]   Downloaded tokio-io v0.1.13
[INFO] [stderr]   Downloaded synstructure v0.12.4
[INFO] [stderr]   Downloaded cc v1.0.61
[INFO] [stderr]   Downloaded net2 v0.2.35
[INFO] [stderr]   Downloaded block-cipher-trait v0.6.2
[INFO] [stderr]   Downloaded subtle v1.0.0
[INFO] [stderr]   Downloaded encoding_rs v0.8.24
[INFO] [stderr]   Downloaded tokio-tcp v0.1.4
[INFO] [stderr]   Downloaded subtle v2.3.0
[INFO] [stderr]   Downloaded aes-soft v0.3.3
[INFO] [stderr]   Downloaded hkdf v0.8.0
[INFO] [stderr]   Downloaded crypto-mac v0.7.0
[INFO] [stderr]   Downloaded yansi v0.5.0
[INFO] [stderr]   Downloaded sha2 v0.8.2
[INFO] [stderr]   Downloaded hyper v0.10.16
[INFO] [stderr]   Downloaded universal-hash v0.3.0
[INFO] [stderr]   Downloaded polyval v0.3.3
[INFO] [stderr]   Downloaded aes-gcm v0.5.0
[INFO] [stderr]   Downloaded hmac v0.7.1
[INFO] [stderr]   Downloaded pear v0.1.4
[INFO] [stderr]   Downloaded syn v1.0.44
[INFO] [stderr]   Downloaded cookie v0.11.3
[INFO] [stderr]   Downloaded regex v1.4.1
[INFO] [stderr]   Downloaded cookie_store v0.7.0
[INFO] [stderr]   Downloaded http v0.1.21
[INFO] [stderr]   Downloaded http-body v0.1.0
[INFO] [stderr]   Downloaded futures v0.1.30
[INFO] [stderr]   Downloaded hermit-abi v0.1.17
[INFO] [stderr]   Downloaded try_from v0.3.2
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.7
[INFO] [stderr]   Downloaded tokio-reactor v0.1.12
[INFO] [stderr]   Downloaded tokio-executor v0.1.10
[INFO] [stderr]   Downloaded rocket_codegen v0.4.5
[INFO] [stderr]   Downloaded aead v0.2.0
[INFO] [stderr]   Downloaded aesni v0.6.0
[INFO] [stderr]   Downloaded ghash v0.2.3
[INFO] [stderr]   Downloaded zeroize v1.1.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded base64 v0.9.3
[INFO] [stderr]   Downloaded tinyvec v0.3.4
[INFO] [stderr]   Downloaded pear_codegen v0.1.4
[INFO] [stderr]   Downloaded rocket_http v0.4.5
[INFO] [stderr]   Downloaded state v0.4.1
[INFO] [stderr]   Downloaded serde_derive v1.0.117
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] f3710c237397a53e95fc460cb73e35415a778d6666b8ab2436020034f4d9d990
[INFO] running `Command { std: "docker" "start" "-a" "f3710c237397a53e95fc460cb73e35415a778d6666b8ab2436020034f4d9d990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3710c237397a53e95fc460cb73e35415a778d6666b8ab2436020034f4d9d990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3710c237397a53e95fc460cb73e35415a778d6666b8ab2436020034f4d9d990", kill_on_drop: false }`
[INFO] [stdout] f3710c237397a53e95fc460cb73e35415a778d6666b8ab2436020034f4d9d990
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 4abd0a3688c34081350fb12a2bd3a68709c49034f41c5f0823bb85a7750cde34
[INFO] running `Command { std: "docker" "start" "-a" "4abd0a3688c34081350fb12a2bd3a68709c49034f41c5f0823bb85a7750cde34", kill_on_drop: false }`
[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" "4abd0a3688c34081350fb12a2bd3a68709c49034f41c5f0823bb85a7750cde34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4abd0a3688c34081350fb12a2bd3a68709c49034f41c5f0823bb85a7750cde34", kill_on_drop: false }`
[INFO] [stdout] 4abd0a3688c34081350fb12a2bd3a68709c49034f41c5f0823bb85a7750cde34