[INFO] cloning repository https://github.com/mfranciszkiewicz/golem-resource-storage
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mfranciszkiewicz/golem-resource-storage" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfranciszkiewicz%2Fgolem-resource-storage", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfranciszkiewicz%2Fgolem-resource-storage'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5939a67489edffdac6cf66f2eb37c860da29bdb
[INFO] checking mfranciszkiewicz/golem-resource-storage against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfranciszkiewicz%2Fgolem-resource-storage" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mfranciszkiewicz/golem-resource-storage 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/mfranciszkiewicz/golem-resource-storage
[INFO] finished tweaking git repo https://github.com/mfranciszkiewicz/golem-resource-storage
[INFO] tweaked toml for git repo https://github.com/mfranciszkiewicz/golem-resource-storage written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mfranciszkiewicz/golem-resource-storage 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 serde_derive v1.0.87
[INFO] [stderr]   Downloaded bincode v1.1.2
[INFO] [stderr]   Downloaded bit-vec v0.5.0
[INFO] [stderr]   Downloaded cc v1.0.29
[INFO] [stderr]   Downloaded trust-dns-resolver v0.10.3
[INFO] [stderr]   Downloaded smallvec v0.6.8
[INFO] [stderr]   Downloaded tokio-io v0.1.11
[INFO] [stderr]   Downloaded tokio v0.1.15
[INFO] [stderr]   Downloaded trust-dns-proto v0.6.3
[INFO] [stderr]   Downloaded ipconfig v0.1.9
[INFO] [stderr]   Downloaded trust-dns-proto v0.5.0
[INFO] [stderr]   Downloaded arc-swap v0.3.7
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.11
[INFO] [stderr]   Downloaded tokio-reactor v0.1.8
[INFO] [stderr]   Downloaded serde v1.0.87
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.8
[INFO] [stderr]   Downloaded tokio-executor v0.1.6
[INFO] [stderr]   Downloaded crossbeam v0.6.0
[INFO] [stderr]   Downloaded actix_derive v0.3.2
[INFO] [stderr]   Downloaded uuid v0.7.2
[INFO] [stderr]   Downloaded signal-hook v0.1.7
[INFO] [stderr]   Downloaded streaming-iterator v0.1.4
[INFO] [stderr]   Downloaded actix v0.7.9
[INFO] [stderr]   Downloaded redox_syscall v0.1.43
[INFO] [stderr]   Downloaded serde_bytes v0.10.4
[INFO] [stderr]   Downloaded tokio-sync v0.1.1
[INFO] [stderr]   Downloaded tokio-fs v0.1.5
[INFO] [stderr]   Downloaded ring v0.14.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2991a47d6e9d46e1683f876a78d89d453fa73b4a7c6e2715fd4e9001d161e922
[INFO] running `Command { std: "docker" "start" "-a" "2991a47d6e9d46e1683f876a78d89d453fa73b4a7c6e2715fd4e9001d161e922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2991a47d6e9d46e1683f876a78d89d453fa73b4a7c6e2715fd4e9001d161e922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2991a47d6e9d46e1683f876a78d89d453fa73b4a7c6e2715fd4e9001d161e922", kill_on_drop: false }`
[INFO] [stdout] 2991a47d6e9d46e1683f876a78d89d453fa73b4a7c6e2715fd4e9001d161e922
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a942148147a7fd6be576b6ac61edf93e886a4fe51cc256016161fee24e119a8c
[INFO] running `Command { std: "docker" "start" "-a" "a942148147a7fd6be576b6ac61edf93e886a4fe51cc256016161fee24e119a8c", 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" "a942148147a7fd6be576b6ac61edf93e886a4fe51cc256016161fee24e119a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a942148147a7fd6be576b6ac61edf93e886a4fe51cc256016161fee24e119a8c", kill_on_drop: false }`
[INFO] [stdout] a942148147a7fd6be576b6ac61edf93e886a4fe51cc256016161fee24e119a8c