[INFO] fetching crate kv-log-macro 1.0.7...
[INFO] building kv-log-macro-1.0.7 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate kv-log-macro 1.0.7 into /workspace/builds/worker-70/source
[INFO] validating manifest of crates.io crate kv-log-macro 1.0.7 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kv-log-macro 1.0.7
[INFO] finished tweaking crates.io crate kv-log-macro 1.0.7
[INFO] tweaked toml for crates.io crate kv-log-macro 1.0.7 written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] crate crates.io crate kv-log-macro 1.0.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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 wasm-bindgen-backend v0.2.62
[INFO] [stderr]   Downloaded quote v1.0.4
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.62
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.62
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.62
[INFO] [stderr]   Downloaded regex v1.3.7
[INFO] [stderr]   Downloaded console v0.7.7
[INFO] [stderr]   Downloaded async-log-attributes v1.0.1
[INFO] [stderr]   Downloaded js-sys v0.3.39
[INFO] [stderr]   Downloaded ryu v1.0.4
[INFO] [stderr]   Downloaded termios v0.3.2
[INFO] [stderr]   Downloaded smallvec v1.4.0
[INFO] [stderr]   Downloaded serde_json v1.0.52
[INFO] [stderr]   Downloaded syn v1.0.19
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.62
[INFO] [stderr]   Downloaded web-sys v0.3.39
[INFO] [stderr]   Downloaded proc-macro2 v1.0.12
[INFO] [stderr]   Downloaded async-log v1.1.0
[INFO] [stderr]   Downloaded femme v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] faca538d28b99464c4c0660df418ab19caaaf3b662a55598dd7265830ba2e20c
[INFO] running `Command { std: "docker" "start" "-a" "faca538d28b99464c4c0660df418ab19caaaf3b662a55598dd7265830ba2e20c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faca538d28b99464c4c0660df418ab19caaaf3b662a55598dd7265830ba2e20c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faca538d28b99464c4c0660df418ab19caaaf3b662a55598dd7265830ba2e20c", kill_on_drop: false }`
[INFO] [stdout] faca538d28b99464c4c0660df418ab19caaaf3b662a55598dd7265830ba2e20c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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 -Zprofile-closures" "-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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08f4d64dcbd14ba1406159863411246cd14d15e1463bb6856aec1b40754d48c0
[INFO] running `Command { std: "docker" "start" "-a" "08f4d64dcbd14ba1406159863411246cd14d15e1463bb6856aec1b40754d48c0", 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" "08f4d64dcbd14ba1406159863411246cd14d15e1463bb6856aec1b40754d48c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f4d64dcbd14ba1406159863411246cd14d15e1463bb6856aec1b40754d48c0", kill_on_drop: false }`
[INFO] [stdout] 08f4d64dcbd14ba1406159863411246cd14d15e1463bb6856aec1b40754d48c0