[INFO] cloning repository https://github.com/nbrandaleone/rust-controller
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nbrandaleone/rust-controller" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbrandaleone%2Frust-controller", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbrandaleone%2Frust-controller'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 930f9e78fbbd04262e31523ec20243b352e48930
[INFO] checking nbrandaleone/rust-controller against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbrandaleone%2Frust-controller" "/workspace/builds/worker-74/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-74/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nbrandaleone/rust-controller 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/nbrandaleone/rust-controller
[INFO] finished tweaking git repo https://github.com/nbrandaleone/rust-controller
[INFO] tweaked toml for git repo https://github.com/nbrandaleone/rust-controller written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate git repo https://github.com/nbrandaleone/rust-controller 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 hyper-tls v0.4.1
[INFO] [stderr]   Downloaded simple_logger v1.5.0
[INFO] [stderr]   Downloaded security-framework v0.3.4
[INFO] [stderr]   Downloaded indexmap v1.3.1
[INFO] [stderr]   Downloaded h2 v0.2.1
[INFO] [stderr]   Downloaded tokio v0.2.11
[INFO] [stderr]   Downloaded bumpalo v3.1.2
[INFO] [stderr]   Downloaded http v0.2.0
[INFO] [stderr]   Downloaded futures-timer v2.0.2
[INFO] [stderr]   Downloaded openssl v0.10.26
[INFO] [stderr]   Downloaded async-compression v0.2.0
[INFO] [stderr]   Downloaded time v0.2.5
[INFO] [stderr]   Downloaded reqwest v0.10.1
[INFO] [stderr]   Downloaded serde_yaml v0.8.11
[INFO] [stderr]   Downloaded rustversion v1.0.2
[INFO] [stderr]   Downloaded time-macros v0.1.0
[INFO] [stderr]   Downloaded pin-project-internal v0.4.8
[INFO] [stderr]   Downloaded pin-project v0.4.8
[INFO] [stderr]   Downloaded hyper v0.13.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.53
[INFO] [stderr]   Downloaded tokio-tls v0.3.0
[INFO] [stderr]   Downloaded anyhow v1.0.26
[INFO] [stderr]   Downloaded thiserror v1.0.10
[INFO] [stderr]   Downloaded thiserror-impl v1.0.10
[INFO] [stderr]   Downloaded time-macros-impl v0.1.0
[INFO] [stderr]   Downloaded memchr v2.3.0
[INFO] [stderr]   Downloaded tokio-macros v0.2.4
[INFO] [stderr]   Downloaded schannel v0.1.16
[INFO] [stderr]   Downloaded security-framework-sys v0.3.3
[INFO] [stderr]   Downloaded native-tls v0.2.3
[INFO] [stderr]   Downloaded kube v0.24.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] fd04600b835b323261bfcc1152163ff0d2e10aa46afa2f90a286af33c6f418d9
[INFO] running `Command { std: "docker" "start" "-a" "fd04600b835b323261bfcc1152163ff0d2e10aa46afa2f90a286af33c6f418d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd04600b835b323261bfcc1152163ff0d2e10aa46afa2f90a286af33c6f418d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd04600b835b323261bfcc1152163ff0d2e10aa46afa2f90a286af33c6f418d9", kill_on_drop: false }`
[INFO] [stdout] fd04600b835b323261bfcc1152163ff0d2e10aa46afa2f90a286af33c6f418d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 300b8b8130637d81f9365eaa6ad7285a71edd96d844b3e5cc439aa47092f0f44
[INFO] running `Command { std: "docker" "start" "-a" "300b8b8130637d81f9365eaa6ad7285a71edd96d844b3e5cc439aa47092f0f44", 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" "300b8b8130637d81f9365eaa6ad7285a71edd96d844b3e5cc439aa47092f0f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "300b8b8130637d81f9365eaa6ad7285a71edd96d844b3e5cc439aa47092f0f44", kill_on_drop: false }`
[INFO] [stdout] 300b8b8130637d81f9365eaa6ad7285a71edd96d844b3e5cc439aa47092f0f44