[INFO] fetching crate superluminal-perf 0.4.0...
[INFO] building superluminal-perf-0.4.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate superluminal-perf 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate superluminal-perf 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate superluminal-perf 0.4.0
[INFO] tweaked toml for crates.io crate superluminal-perf 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate superluminal-perf 0.4.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate superluminal-perf 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8beca3a38e71817a362870f4d11e214bd174a061a52ba9d952f2bb4eceb0d59d
[INFO] running `Command { std: "docker" "start" "-a" "8beca3a38e71817a362870f4d11e214bd174a061a52ba9d952f2bb4eceb0d59d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8beca3a38e71817a362870f4d11e214bd174a061a52ba9d952f2bb4eceb0d59d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8beca3a38e71817a362870f4d11e214bd174a061a52ba9d952f2bb4eceb0d59d", kill_on_drop: false }`
[INFO] [stdout] 8beca3a38e71817a362870f4d11e214bd174a061a52ba9d952f2bb4eceb0d59d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6763c198bcddef3b0f8ff8d7e5981689dccb8f758d07037c91ca76aaa503a0c
[INFO] running `Command { std: "docker" "start" "-a" "b6763c198bcddef3b0f8ff8d7e5981689dccb8f758d07037c91ca76aaa503a0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling superluminal-perf v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "b6763c198bcddef3b0f8ff8d7e5981689dccb8f758d07037c91ca76aaa503a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6763c198bcddef3b0f8ff8d7e5981689dccb8f758d07037c91ca76aaa503a0c", kill_on_drop: false }`
[INFO] [stdout] b6763c198bcddef3b0f8ff8d7e5981689dccb8f758d07037c91ca76aaa503a0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1eea8e7378e30e04eb7349e9704957b04e0ab55605ff4606a6fccebc20593ec
[INFO] running `Command { std: "docker" "start" "-a" "c1eea8e7378e30e04eb7349e9704957b04e0ab55605ff4606a6fccebc20593ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling superluminal-perf v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "c1eea8e7378e30e04eb7349e9704957b04e0ab55605ff4606a6fccebc20593ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1eea8e7378e30e04eb7349e9704957b04e0ab55605ff4606a6fccebc20593ec", kill_on_drop: false }`
[INFO] [stdout] c1eea8e7378e30e04eb7349e9704957b04e0ab55605ff4606a6fccebc20593ec