[INFO] cloning repository https://github.com/fastly/Viceroy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fastly/Viceroy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffastly%2FViceroy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffastly%2FViceroy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8109ad4afb433c7582a6edbb95bc8fb9687ac1b0
[INFO] checking fastly/Viceroy against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffastly%2FViceroy" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fastly/Viceroy on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/fastly/Viceroy
[INFO] finished tweaking git repo https://github.com/fastly/Viceroy
[INFO] tweaked toml for git repo https://github.com/fastly/Viceroy written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/fastly/Viceroy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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 wiggle v0.29.0
[INFO] [stderr]   Downloaded leb128 v0.2.4
[INFO] [stderr]   Downloaded wast v35.0.2
[INFO] [stderr]   Downloaded wiggle-generate v0.29.0
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded wasmparser v0.79.0
[INFO] [stderr]   Downloaded regalloc v0.0.31
[INFO] [stderr]   Downloaded target-lexicon v0.12.0
[INFO] [stderr]   Downloaded rustc_version v0.4.0
[INFO] [stderr]   Downloaded wasmtime-fiber v0.29.0
[INFO] [stderr]   Downloaded wasmtime-obj v0.29.0
[INFO] [stderr]   Downloaded fs-set-times v0.6.0
[INFO] [stderr]   Downloaded maybe-owned v0.3.4
[INFO] [stderr]   Downloaded system-interface v0.8.0
[INFO] [stderr]   Downloaded cap-time-ext v0.16.3
[INFO] [stderr]   Downloaded unsafe-io v0.7.1
[INFO] [stderr]   Downloaded ambient-authority v0.0.1
[INFO] [stderr]   Downloaded fastly-shared v0.3.2
[INFO] [stderr]   Downloaded semver v1.0.3
[INFO] [stderr]   Downloaded zstd-sys v1.6.1+zstd.1.5.0
[INFO] [stderr]   Downloaded cap-std v0.16.3
[INFO] [stderr]   Downloaded structopt-derive v0.4.15
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded cap-fs-ext v0.16.3
[INFO] [stderr]   Downloaded wasmtime-profiling v0.29.0
[INFO] [stderr]   Downloaded tokio v1.8.1
[INFO] [stderr]   Downloaded winx v0.27.0
[INFO] [stderr]   Downloaded cranelift-entity v0.65.0
[INFO] [stderr]   Downloaded psm v0.1.13
[INFO] [stderr]   Downloaded cap-primitives v0.16.3
[INFO] [stderr]   Downloaded structopt v0.3.22
[INFO] [stderr]   Downloaded wasmtime-wasi v0.29.0
[INFO] [stderr]   Downloaded wasmtime-debug v0.29.0
[INFO] [stderr]   Downloaded hyper v0.14.10
[INFO] [stderr]   Downloaded semver v0.10.0
[INFO] [stderr]   Downloaded itertools v0.10.1
[INFO] [stderr]   Downloaded cranelift-frontend v0.76.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.76.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.76.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.29.0
[INFO] [stderr]   Downloaded wast v36.0.0
[INFO] [stderr]   Downloaded mach v0.3.2
[INFO] [stderr]   Downloaded wasmtime v0.29.0
[INFO] [stderr]   Downloaded wat v1.0.38
[INFO] [stderr]   Downloaded cranelift-bforest v0.76.0
[INFO] [stderr]   Downloaded wasmtime-cranelift v0.29.0
[INFO] [stderr]   Downloaded wasmtime-jit v0.29.0
[INFO] [stderr]   Downloaded zstd v0.9.0+zstd.1.5.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.17
[INFO] [stderr]   Downloaded cstr v0.2.8
[INFO] [stderr]   Downloaded scroll v0.10.2
[INFO] [stderr]   Downloaded io-lifetimes v0.2.0
[INFO] [stderr]   Downloaded cranelift-entity v0.76.0
[INFO] [stderr]   Downloaded cap-rand v0.16.3
[INFO] [stderr]   Downloaded errno v0.2.7
[INFO] [stderr]   Downloaded shellexpand v2.1.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.76.0
[INFO] [stderr]   Downloaded wasi-cap-std-sync v0.29.0
[INFO] [stderr]   Downloaded wasmtime-cache v0.29.0
[INFO] [stderr]   Downloaded cranelift-native v0.76.0
[INFO] [stderr]   Downloaded wasi-common v0.29.0
[INFO] [stderr]   Downloaded cpp_demangle v0.3.3
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.76.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.29.0
[INFO] [stderr]   Downloaded wasi-tokio v0.29.0
[INFO] [stderr]   Downloaded directories-next v2.0.0
[INFO] [stderr]   Downloaded file-per-thread-logger v0.1.4
[INFO] [stderr]   Downloaded zstd-safe v4.1.1+zstd.1.5.0
[INFO] [stderr]   Downloaded wiggle-macro v0.29.0
[INFO] [stderr]   Downloaded witx v0.9.1
[INFO] [stderr]   Downloaded posish v0.16.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa5340c3b8f28217b4d84d2f14b2a86d7de7bfc1e92e0c24ff26479deeb54916
[INFO] running `Command { std: "docker" "start" "-a" "fa5340c3b8f28217b4d84d2f14b2a86d7de7bfc1e92e0c24ff26479deeb54916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa5340c3b8f28217b4d84d2f14b2a86d7de7bfc1e92e0c24ff26479deeb54916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa5340c3b8f28217b4d84d2f14b2a86d7de7bfc1e92e0c24ff26479deeb54916", kill_on_drop: false }`
[INFO] [stdout] fa5340c3b8f28217b4d84d2f14b2a86d7de7bfc1e92e0c24ff26479deeb54916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8abf0cee4f290b593a7ad9d268ca15783d12d5903968f532ed74d1b760a1e81
[INFO] running `Command { std: "docker" "start" "-a" "f8abf0cee4f290b593a7ad9d268ca15783d12d5903968f532ed74d1b760a1e81", 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" "f8abf0cee4f290b593a7ad9d268ca15783d12d5903968f532ed74d1b760a1e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8abf0cee4f290b593a7ad9d268ca15783d12d5903968f532ed74d1b760a1e81", kill_on_drop: false }`
[INFO] [stdout] f8abf0cee4f290b593a7ad9d268ca15783d12d5903968f532ed74d1b760a1e81