[INFO] cloning repository https://github.com/jtbarker/rustytwitter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtbarker/rustytwitter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtbarker%2Frustytwitter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtbarker%2Frustytwitter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 209d431c2808ed032fbc4a2227e13889ffeff8ad
[INFO] checking jtbarker/rustytwitter against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtbarker%2Frustytwitter" "/workspace/builds/worker-111/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-111/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/jtbarker/rustytwitter 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/jtbarker/rustytwitter
[INFO] finished tweaking git repo https://github.com/jtbarker/rustytwitter
[INFO] tweaked toml for git repo https://github.com/jtbarker/rustytwitter written to /workspace/builds/worker-111/source/Cargo.toml
[INFO] crate git repo https://github.com/jtbarker/rustytwitter 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-fs v0.1.6
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.51
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.51
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.51
[INFO] [stderr]   Downloaded web-sys v0.3.28
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.51
[INFO] [stderr]   Downloaded security-framework-sys v0.1.16
[INFO] [stderr]   Downloaded scoped-tls v0.1.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.51
[INFO] [stderr]   Downloaded want v0.0.4
[INFO] [stderr]   Downloaded hyper-tls v0.1.4
[INFO] [stderr]   Downloaded openssl-sys v0.9.51
[INFO] [stderr]   Downloaded unicase v2.5.1
[INFO] [stderr]   Downloaded relay v0.1.1
[INFO] [stderr]   Downloaded tempdir v0.3.7
[INFO] [stderr]   Downloaded security-framework v0.1.16
[INFO] [stderr]   Downloaded safemem v0.3.2
[INFO] [stderr]   Downloaded core-foundation v0.2.3
[INFO] [stderr]   Downloaded js-sys v0.3.28
[INFO] [stderr]   Downloaded tokio-core v0.1.17
[INFO] [stderr]   Downloaded tokio-uds v0.2.5
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.51
[INFO] [stderr]   Downloaded try-lock v0.1.0
[INFO] [stderr]   Downloaded native-tls v0.1.5
[INFO] [stderr]   Downloaded hyper v0.11.27
[INFO] [stderr]   Downloaded openssl v0.9.24
[INFO] [stderr]   Downloaded ring v0.16.9
[INFO] [stderr]   Downloaded core-foundation-sys v0.2.3
[INFO] [stderr]   Downloaded tokio-tls v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] 234ad0004117fe91f896bca3458c084a9fef29dae64cba558b5ff1ea1949b37f
[INFO] running `Command { std: "docker" "start" "-a" "234ad0004117fe91f896bca3458c084a9fef29dae64cba558b5ff1ea1949b37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "234ad0004117fe91f896bca3458c084a9fef29dae64cba558b5ff1ea1949b37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "234ad0004117fe91f896bca3458c084a9fef29dae64cba558b5ff1ea1949b37f", kill_on_drop: false }`
[INFO] [stdout] 234ad0004117fe91f896bca3458c084a9fef29dae64cba558b5ff1ea1949b37f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] e59487c64d187f121b74e7daf50399706ae16fe1fa8cdd1fb48481e1ffbb7a31
[INFO] running `Command { std: "docker" "start" "-a" "e59487c64d187f121b74e7daf50399706ae16fe1fa8cdd1fb48481e1ffbb7a31", 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" "e59487c64d187f121b74e7daf50399706ae16fe1fa8cdd1fb48481e1ffbb7a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e59487c64d187f121b74e7daf50399706ae16fe1fa8cdd1fb48481e1ffbb7a31", kill_on_drop: false }`
[INFO] [stdout] e59487c64d187f121b74e7daf50399706ae16fe1fa8cdd1fb48481e1ffbb7a31