[INFO] cloning repository https://github.com/malikolivier/rust-structural_impls-internal_compiler_error
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/malikolivier/rust-structural_impls-internal_compiler_error" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalikolivier%2Frust-structural_impls-internal_compiler_error", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalikolivier%2Frust-structural_impls-internal_compiler_error'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e078196ab3e231e11d1bd8f4cd31a7687d12f60c
[INFO] checking malikolivier/rust-structural_impls-internal_compiler_error against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalikolivier%2Frust-structural_impls-internal_compiler_error" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/malikolivier/rust-structural_impls-internal_compiler_error 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] started tweaking git repo https://github.com/malikolivier/rust-structural_impls-internal_compiler_error
[INFO] finished tweaking git repo https://github.com/malikolivier/rust-structural_impls-internal_compiler_error
[INFO] tweaked toml for git repo https://github.com/malikolivier/rust-structural_impls-internal_compiler_error written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/malikolivier/rust-structural_impls-internal_compiler_error 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 string_cache_codegen v0.4.1
[INFO] [stderr]   Downloaded markup5ever v0.3.2
[INFO] [stderr]   Downloaded mac v0.1.1
[INFO] [stderr]   Downloaded tendril v0.3.1
[INFO] [stderr]   Downloaded utf-8 v0.7.4
[INFO] [stderr]   Downloaded html5ever v0.18.0
[INFO] [stderr]   Downloaded debug_unreachable v0.1.1
[INFO] [stderr]   Downloaded vcpkg v0.2.4
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.5
[INFO] [stderr]   Downloaded pkg-config v0.3.12
[INFO] [stderr]   Downloaded mime v0.3.8
[INFO] [stderr]   Downloaded serde_json v1.0.24
[INFO] [stderr]   Downloaded httparse v1.3.2
[INFO] [stderr]   Downloaded bit-vec v0.4.4
[INFO] [stderr]   Downloaded log v0.4.3
[INFO] [stderr]   Downloaded reqwest v0.8.7
[INFO] [stderr]   Downloaded url v1.7.1
[INFO] [stderr]   Downloaded select v0.4.2
[INFO] [stderr]   Downloaded cc v1.0.18
[INFO] [stderr]   Downloaded libflate v0.1.16
[INFO] [stderr]   Downloaded futures v0.1.23
[INFO] [stderr]   Downloaded bytes v0.4.9
[INFO] [stderr]   Downloaded unreachable v0.1.1
[INFO] [stderr]   Downloaded mio v0.6.15
[INFO] [stderr]   Downloaded tokio-fs v0.1.2
[INFO] [stderr]   Downloaded bit-set v0.4.0
[INFO] [stderr]   Downloaded itoa v0.4.2
[INFO] [stderr]   Downloaded schannel v0.1.13
[INFO] [stderr]   Downloaded cfg-if v0.1.4
[INFO] [stderr]   Downloaded openssl-sys v0.9.33
[INFO] [stderr]   Downloaded encoding_rs v0.7.2
[INFO] [stderr]   Downloaded string_cache_shared v0.3.0
[INFO] [stderr]   Downloaded lazy_static v1.0.2
[INFO] [stderr]   Downloaded byteorder v1.2.4
[INFO] [stderr]   Downloaded futf v0.1.4
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.1
[INFO] [stderr]   Downloaded matches v0.1.7
[INFO] [stderr]   Downloaded serde v1.0.70
[INFO] [stderr]   Downloaded string_cache v0.6.2
[INFO] [stderr]   Downloaded precomputed-hash v0.1.1
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 918a7d1a4e50edb026270b1c656869eeb282ccb80b1fb2ff9065be42dfbc833a
[INFO] running `Command { std: "docker" "start" "-a" "918a7d1a4e50edb026270b1c656869eeb282ccb80b1fb2ff9065be42dfbc833a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "918a7d1a4e50edb026270b1c656869eeb282ccb80b1fb2ff9065be42dfbc833a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "918a7d1a4e50edb026270b1c656869eeb282ccb80b1fb2ff9065be42dfbc833a", kill_on_drop: false }`
[INFO] [stdout] 918a7d1a4e50edb026270b1c656869eeb282ccb80b1fb2ff9065be42dfbc833a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 99247b4011e2a439b2f95804e6655e7ad401999aa565e942cc2b932432457b1f
[INFO] running `Command { std: "docker" "start" "-a" "99247b4011e2a439b2f95804e6655e7ad401999aa565e942cc2b932432457b1f", 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" "99247b4011e2a439b2f95804e6655e7ad401999aa565e942cc2b932432457b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99247b4011e2a439b2f95804e6655e7ad401999aa565e942cc2b932432457b1f", kill_on_drop: false }`
[INFO] [stdout] 99247b4011e2a439b2f95804e6655e7ad401999aa565e942cc2b932432457b1f