[INFO] cloning repository https://github.com/fakecoinbase/ZcashFoundationslashzebra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fakecoinbase/ZcashFoundationslashzebra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffakecoinbase%2FZcashFoundationslashzebra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffakecoinbase%2FZcashFoundationslashzebra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b3c6e4c6cc9fc125f53a3f798833a66648fefc9
[INFO] checking fakecoinbase/ZcashFoundationslashzebra against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffakecoinbase%2FZcashFoundationslashzebra" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fakecoinbase/ZcashFoundationslashzebra 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/fakecoinbase/ZcashFoundationslashzebra
[INFO] finished tweaking git repo https://github.com/fakecoinbase/ZcashFoundationslashzebra
[INFO] tweaked toml for git repo https://github.com/fakecoinbase/ZcashFoundationslashzebra written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/fakecoinbase/ZcashFoundationslashzebra 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]     Updating git repository `https://github.com/yaahc/abscissa.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bech32 v0.7.2
[INFO] [stderr]   Downloaded displaydoc v0.1.7
[INFO] [stderr]   Downloaded sized-chunks v0.6.2
[INFO] [stderr]   Downloaded metrics-observer-prometheus v0.1.4
[INFO] [stderr]   Downloaded metrics-exporter-log v0.4.0
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded im v15.0.0
[INFO] [stderr]   Downloaded rand_xoshiro v0.4.0
[INFO] [stderr]   Downloaded metrics-exporter-http v0.3.0
[INFO] [stderr]   Downloaded metrics-observer-yaml v0.1.1
[INFO] [stderr]   Downloaded hdrhistogram v6.3.4
[INFO] [stderr]   Downloaded generational-arena v0.2.8
[INFO] [stderr]   Downloaded atomic-shim v0.1.0
[INFO] [stderr]   Downloaded metrics-runtime v0.13.1
[INFO] [stderr]   Downloaded metrics v0.12.1
[INFO] [stderr]   Downloaded color-backtrace v0.4.2
[INFO] [stderr]   Downloaded metrics-core v0.5.2
[INFO] [stderr]   Downloaded metrics-util v0.3.1
[INFO] [stderr]   Downloaded ed25519-zebra v1.0.0
[INFO] [stderr]   Downloaded equihash v0.1.0
[INFO] [stderr]   Downloaded spandoc v0.2.0
[INFO] [stderr]   Downloaded quanta v0.3.2
[INFO] [stderr]   Downloaded canonical-path v2.0.2
[INFO] [stderr]   Downloaded gumdrop v0.7.0
[INFO] [stderr]   Downloaded serde-big-array v0.3.0
[INFO] [stderr]   Downloaded metrics-observer-json v0.1.1
[INFO] [stderr]   Downloaded gumdrop_derive v0.7.0
[INFO] [stderr]   Downloaded bls12_381 v0.1.1
[INFO] [stderr]   Downloaded jubjub v0.3.0
[INFO] [stderr]   Downloaded spandoc-attribute v0.1.0
[INFO] [stderr]   Downloaded sled v0.34.0
[INFO] [stderr]   Downloaded redjubjub v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 39300a9527e1f7dfcedcfdf2bd9939524c6546212a16f1bfb98e92a6f767a8d4
[INFO] running `Command { std: "docker" "start" "-a" "39300a9527e1f7dfcedcfdf2bd9939524c6546212a16f1bfb98e92a6f767a8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39300a9527e1f7dfcedcfdf2bd9939524c6546212a16f1bfb98e92a6f767a8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39300a9527e1f7dfcedcfdf2bd9939524c6546212a16f1bfb98e92a6f767a8d4", kill_on_drop: false }`
[INFO] [stdout] 39300a9527e1f7dfcedcfdf2bd9939524c6546212a16f1bfb98e92a6f767a8d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 98acfac239a866b9bd137cf27a52e056086505dacaf838a0eb43ea150d3e0318
[INFO] running `Command { std: "docker" "start" "-a" "98acfac239a866b9bd137cf27a52e056086505dacaf838a0eb43ea150d3e0318", 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" "98acfac239a866b9bd137cf27a52e056086505dacaf838a0eb43ea150d3e0318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98acfac239a866b9bd137cf27a52e056086505dacaf838a0eb43ea150d3e0318", kill_on_drop: false }`
[INFO] [stdout] 98acfac239a866b9bd137cf27a52e056086505dacaf838a0eb43ea150d3e0318