[INFO] fetching crate prefetch 0.2.0...
[INFO] building prefetch-0.2.0 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate prefetch 0.2.0 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate prefetch 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 prefetch 0.2.0
[INFO] finished tweaking crates.io crate prefetch 0.2.0
[INFO] tweaked toml for crates.io crate prefetch 0.2.0 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] c415046850cc1b290fc37295f91118c307bb1b8215d7ff494c16a08c95e1143a
[INFO] running `Command { std: "docker" "start" "-a" "c415046850cc1b290fc37295f91118c307bb1b8215d7ff494c16a08c95e1143a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c415046850cc1b290fc37295f91118c307bb1b8215d7ff494c16a08c95e1143a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c415046850cc1b290fc37295f91118c307bb1b8215d7ff494c16a08c95e1143a", kill_on_drop: false }`
[INFO] [stdout] c415046850cc1b290fc37295f91118c307bb1b8215d7ff494c16a08c95e1143a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] d7fd109da15f0b567ddcaea5f679b94b63c6c7f417ddaa52f5576077e466d26e
[INFO] running `Command { std: "docker" "start" "-a" "d7fd109da15f0b567ddcaea5f679b94b63c6c7f417ddaa52f5576077e466d26e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prefetch v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "d7fd109da15f0b567ddcaea5f679b94b63c6c7f417ddaa52f5576077e466d26e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7fd109da15f0b567ddcaea5f679b94b63c6c7f417ddaa52f5576077e466d26e", kill_on_drop: false }`
[INFO] [stdout] d7fd109da15f0b567ddcaea5f679b94b63c6c7f417ddaa52f5576077e466d26e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 3bb3c1a2f31810a12e0c72131df2e65f52a4ea926c1ae6f72d912a303c293697
[INFO] running `Command { std: "docker" "start" "-a" "3bb3c1a2f31810a12e0c72131df2e65f52a4ea926c1ae6f72d912a303c293697", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefetch v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] SG_CR_Eslkdjf: prefetch, (3fccaebd659cd4d9, fa1d078c2e3726dd), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: prefetch, (c8c25cc397118a69, b793fc773e8fc951), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: prefetch, (94b70851568ec0ba, cab24cc5b7c53bf1), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: prefetch, (cd3a430a13fad597, faf6e9d5703a6133), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: prefetch, (d69d5c2b2a06de74, a0fe27889a817d71), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: prefetch, (94a3ddf9be4779a7, ca16f9ab5189f7cd), 8, 8
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "3bb3c1a2f31810a12e0c72131df2e65f52a4ea926c1ae6f72d912a303c293697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bb3c1a2f31810a12e0c72131df2e65f52a4ea926c1ae6f72d912a303c293697", kill_on_drop: false }`
[INFO] [stdout] 3bb3c1a2f31810a12e0c72131df2e65f52a4ea926c1ae6f72d912a303c293697