[INFO] fetching crate pihash 0.5.0...
[INFO] checking pihash-0.5.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate pihash 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pihash 0.5.0 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 pihash 0.5.0
[INFO] finished tweaking crates.io crate pihash 0.5.0
[INFO] tweaked toml for crates.io crate pihash 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate pihash 0.5.0 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 num-iter v0.1.39
[INFO] [stderr]   Downloaded serde_derive v1.0.99
[INFO] [stderr]   Downloaded num-complex v0.2.3
[INFO] [stderr]   Downloaded tiff v0.3.1
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.3
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.15
[INFO] [stderr]   Downloaded docopt v1.1.0
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded regex v1.2.1
[INFO] [stderr]   Downloaded serde v1.0.99
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded rayon v1.1.0
[INFO] [stderr]   Downloaded syn v1.0.3
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded memoffset v0.5.1
[INFO] [stderr]   Downloaded deflate v0.7.20
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded lzw v0.10.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.11
[INFO] [stderr]   Downloaded color_quant v1.0.1
[INFO] [stderr]   Downloaded nodrop v0.1.13
[INFO] [stderr]   Downloaded crossbeam-queue v0.1.2
[INFO] [stderr]   Downloaded num_cpus v1.10.1
[INFO] [stderr]   Downloaded cc v1.0.40
[INFO] [stderr]   Downloaded flate2 v1.0.11
[INFO] [stderr]   Downloaded png v0.15.0
[INFO] [stderr]   Downloaded inflate v0.4.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.1
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded num-bigint v0.2.2
[INFO] [stderr]   Downloaded autocfg v0.1.6
[INFO] [stderr]   Downloaded num-traits v0.2.8
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded num-rational v0.2.2
[INFO] [stderr]   Downloaded gif v0.10.2
[INFO] [stderr]   Downloaded strsim v0.9.2
[INFO] [stderr]   Downloaded num v0.2.0
[INFO] [stderr]   Downloaded miniz-sys v0.1.12
[INFO] [stderr]   Downloaded miniz_oxide v0.3.2
[INFO] [stderr]   Downloaded either v1.5.2
[INFO] [stderr]   Downloaded arrayvec v0.4.11
[INFO] [stderr]   Downloaded scopeguard v1.0.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.2
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.9
[INFO] [stderr]   Downloaded rayon-core v1.5.0
[INFO] [stderr]   Downloaded adler32 v1.0.3
[INFO] [stderr]   Downloaded num-derive v0.2.5
[INFO] [stderr]   Downloaded libc v0.2.62
[INFO] [stderr]   Downloaded dft v0.5.5
[INFO] [stderr]   Downloaded image v0.22.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] bba2041524246d9db3772551c3e5d53a0f88b1228a196c0dd9617305e53eeb90
[INFO] running `Command { std: "docker" "start" "-a" "bba2041524246d9db3772551c3e5d53a0f88b1228a196c0dd9617305e53eeb90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bba2041524246d9db3772551c3e5d53a0f88b1228a196c0dd9617305e53eeb90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bba2041524246d9db3772551c3e5d53a0f88b1228a196c0dd9617305e53eeb90", kill_on_drop: false }`
[INFO] [stdout] bba2041524246d9db3772551c3e5d53a0f88b1228a196c0dd9617305e53eeb90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 63072913d0e7bbfd959ab567f7894cbd593bb52f8b6ec92fc4af6be36fd0b57e
[INFO] running `Command { std: "docker" "start" "-a" "63072913d0e7bbfd959ab567f7894cbd593bb52f8b6ec92fc4af6be36fd0b57e", 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" "63072913d0e7bbfd959ab567f7894cbd593bb52f8b6ec92fc4af6be36fd0b57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63072913d0e7bbfd959ab567f7894cbd593bb52f8b6ec92fc4af6be36fd0b57e", kill_on_drop: false }`
[INFO] [stdout] 63072913d0e7bbfd959ab567f7894cbd593bb52f8b6ec92fc4af6be36fd0b57e