[INFO] fetching crate fsio 0.2.0...
[INFO] building fsio-0.2.0 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate fsio 0.2.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate fsio 0.2.0 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 fsio 0.2.0
[INFO] finished tweaking crates.io crate fsio 0.2.0
[INFO] tweaked toml for crates.io crate fsio 0.2.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate crates.io crate fsio 0.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] af2f45b4e77ee194b037bd2be29e2f39036a00c83e4101f99d5af0372f572abd
[INFO] running `Command { std: "docker" "start" "-a" "af2f45b4e77ee194b037bd2be29e2f39036a00c83e4101f99d5af0372f572abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af2f45b4e77ee194b037bd2be29e2f39036a00c83e4101f99d5af0372f572abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af2f45b4e77ee194b037bd2be29e2f39036a00c83e4101f99d5af0372f572abd", kill_on_drop: false }`
[INFO] [stdout] af2f45b4e77ee194b037bd2be29e2f39036a00c83e4101f99d5af0372f572abd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] c160fe1085d049aaf0f5a6ea98d0fc57b8dcdc984d0817ff59eafe75ef9dfe25
[INFO] running `Command { std: "docker" "start" "-a" "c160fe1085d049aaf0f5a6ea98d0fc57b8dcdc984d0817ff59eafe75ef9dfe25", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fsio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `panic_fmt`
[INFO] [stdout]   --> src/lib.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     panic_fmt,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `safe_packed_borrows` has been renamed to `unaligned_references`
[INFO] [stdout]   --> src/lib.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     safe_packed_borrows,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ help: use the new name: `unaligned_references`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: fsio, (7cd49caf13817524, 92392f6a6237ea93), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: fsio, (cbe7bd8004dc536d, a6a4261d624bfeed), 0, 0
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "c160fe1085d049aaf0f5a6ea98d0fc57b8dcdc984d0817ff59eafe75ef9dfe25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c160fe1085d049aaf0f5a6ea98d0fc57b8dcdc984d0817ff59eafe75ef9dfe25", kill_on_drop: false }`
[INFO] [stdout] c160fe1085d049aaf0f5a6ea98d0fc57b8dcdc984d0817ff59eafe75ef9dfe25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d06da7c9b197adc0f5f0e2a187403891d6998f8e02fc3940f678c08ae7c6a6db
[INFO] running `Command { std: "docker" "start" "-a" "d06da7c9b197adc0f5f0e2a187403891d6998f8e02fc3940f678c08ae7c6a6db", 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" "d06da7c9b197adc0f5f0e2a187403891d6998f8e02fc3940f678c08ae7c6a6db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06da7c9b197adc0f5f0e2a187403891d6998f8e02fc3940f678c08ae7c6a6db", kill_on_drop: false }`
[INFO] [stdout] d06da7c9b197adc0f5f0e2a187403891d6998f8e02fc3940f678c08ae7c6a6db