[INFO] fetching crate spare_buffer 0.1.1...
[INFO] building spare_buffer-0.1.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate spare_buffer 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate spare_buffer 0.1.1
[INFO] finished tweaking crates.io crate spare_buffer 0.1.1
[INFO] tweaked toml for crates.io crate spare_buffer 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate spare_buffer 0.1.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate spare_buffer 0.1.1 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3327db140e3272233c1a5644c47c6224973e2597ba6188e90a019b1a27097600
[INFO] running `Command { std: "docker" "start" "-a" "3327db140e3272233c1a5644c47c6224973e2597ba6188e90a019b1a27097600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3327db140e3272233c1a5644c47c6224973e2597ba6188e90a019b1a27097600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3327db140e3272233c1a5644c47c6224973e2597ba6188e90a019b1a27097600", kill_on_drop: false }`
[INFO] [stdout] 3327db140e3272233c1a5644c47c6224973e2597ba6188e90a019b1a27097600
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 011a27f7f68a29b93d619434b78d597e521c5993a3597e953974914e48628bf0
[INFO] running `Command { std: "docker" "start" "-a" "011a27f7f68a29b93d619434b78d597e521c5993a3597e953974914e48628bf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling spare_buffer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "011a27f7f68a29b93d619434b78d597e521c5993a3597e953974914e48628bf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "011a27f7f68a29b93d619434b78d597e521c5993a3597e953974914e48628bf0", kill_on_drop: false }`
[INFO] [stdout] 011a27f7f68a29b93d619434b78d597e521c5993a3597e953974914e48628bf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a47bb9284217b7e5125bc9a213dcaed13a1280243a7b71ac4236eca9cd631d94
[INFO] running `Command { std: "docker" "start" "-a" "a47bb9284217b7e5125bc9a213dcaed13a1280243a7b71ac4236eca9cd631d94", kill_on_drop: false }`
[INFO] [stderr]    Compiling spare_buffer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "a47bb9284217b7e5125bc9a213dcaed13a1280243a7b71ac4236eca9cd631d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47bb9284217b7e5125bc9a213dcaed13a1280243a7b71ac4236eca9cd631d94", kill_on_drop: false }`
[INFO] [stdout] a47bb9284217b7e5125bc9a213dcaed13a1280243a7b71ac4236eca9cd631d94