[INFO] fetching crate eventstore 1.0.0...
[INFO] checking eventstore-1.0.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate eventstore 1.0.0 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate eventstore 1.0.0 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 eventstore 1.0.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate eventstore 1.0.0
[INFO] tweaked toml for crates.io crate eventstore 1.0.0 written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] crate crates.io crate eventstore 1.0.0 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 http-body v0.4.0
[INFO] [stderr]   Downloaded async-stream-impl v0.3.0
[INFO] [stderr]   Downloaded futures v0.3.12
[INFO] [stderr]   Downloaded futures-executor v0.3.12
[INFO] [stderr]   Downloaded tonic v0.4.0
[INFO] [stderr]   Downloaded futures-core v0.3.12
[INFO] [stderr]   Downloaded async-trait v0.1.42
[INFO] [stderr]   Downloaded futures-channel v0.3.12
[INFO] [stderr]   Downloaded futures-util v0.3.12
[INFO] [stderr]   Downloaded mio v0.7.7
[INFO] [stderr]   Downloaded tracing v0.1.23
[INFO] [stderr]   Downloaded tokio-stream v0.1.3
[INFO] [stderr]   Downloaded h2 v0.3.0
[INFO] [stderr]   Downloaded tokio v1.2.0
[INFO] [stderr]   Downloaded http v0.2.3
[INFO] [stderr]   Downloaded bitvec v0.19.4
[INFO] [stderr]   Downloaded async-stream v0.3.0
[INFO] [stderr]   Downloaded httparse v1.3.5
[INFO] [stderr]   Downloaded pin-project v1.0.5
[INFO] [stderr]   Downloaded futures-io v0.3.12
[INFO] [stderr]   Downloaded futures-sink v0.3.12
[INFO] [stderr]   Downloaded which v4.0.2
[INFO] [stderr]   Downloaded pin-project-internal v1.0.5
[INFO] [stderr]   Downloaded tonic-build v0.4.0
[INFO] [stderr]   Downloaded futures-macro v0.3.12
[INFO] [stderr]   Downloaded tower v0.4.5
[INFO] [stderr]   Downloaded hyper v0.14.4
[INFO] [stderr]   Downloaded tracing-attributes v0.1.12
[INFO] [stderr]   Downloaded tokio-util v0.6.3
[INFO] [stderr]   Downloaded tower-layer v0.3.1
[INFO] [stderr]   Downloaded pin-project-lite v0.2.4
[INFO] [stderr]   Downloaded futures-task v0.3.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] 92d39f746dbcdbc913b4b59b05555e849ddb9ac9123bc0fabec8bf8d0b9dda22
[INFO] running `Command { std: "docker" "start" "-a" "92d39f746dbcdbc913b4b59b05555e849ddb9ac9123bc0fabec8bf8d0b9dda22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92d39f746dbcdbc913b4b59b05555e849ddb9ac9123bc0fabec8bf8d0b9dda22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d39f746dbcdbc913b4b59b05555e849ddb9ac9123bc0fabec8bf8d0b9dda22", kill_on_drop: false }`
[INFO] [stdout] 92d39f746dbcdbc913b4b59b05555e849ddb9ac9123bc0fabec8bf8d0b9dda22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] ffbae6e10c49cb54c603d498aaa0bc85fca1d237646543618bc722ac41753c67
[INFO] running `Command { std: "docker" "start" "-a" "ffbae6e10c49cb54c603d498aaa0bc85fca1d237646543618bc722ac41753c67", 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" "ffbae6e10c49cb54c603d498aaa0bc85fca1d237646543618bc722ac41753c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffbae6e10c49cb54c603d498aaa0bc85fca1d237646543618bc722ac41753c67", kill_on_drop: false }`
[INFO] [stdout] ffbae6e10c49cb54c603d498aaa0bc85fca1d237646543618bc722ac41753c67