[INFO] fetching crate blocks 0.0.0...
[INFO] building blocks-0.0.0 against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] extracting crate blocks 0.0.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate blocks 0.0.0 on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blocks 0.0.0
[INFO] finished tweaking crates.io crate blocks 0.0.0
[INFO] tweaked toml for crates.io crate blocks 0.0.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "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" "+222c5724ecc922fe67815f428c19f82c129d9386" "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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fbc0e684f642bb406ed46d9b728e1f431eaedf32300941840f77cc5f58f1838
[INFO] running `Command { std: "docker" "start" "-a" "4fbc0e684f642bb406ed46d9b728e1f431eaedf32300941840f77cc5f58f1838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fbc0e684f642bb406ed46d9b728e1f431eaedf32300941840f77cc5f58f1838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fbc0e684f642bb406ed46d9b728e1f431eaedf32300941840f77cc5f58f1838", kill_on_drop: false }`
[INFO] [stdout] 4fbc0e684f642bb406ed46d9b728e1f431eaedf32300941840f77cc5f58f1838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d20c9bcb84a26130d5d505d34897aa3fb34c534092bdac277ec4824fdf39a4a6
[INFO] running `Command { std: "docker" "start" "-a" "d20c9bcb84a26130d5d505d34897aa3fb34c534092bdac277ec4824fdf39a4a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling blocks v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "d20c9bcb84a26130d5d505d34897aa3fb34c534092bdac277ec4824fdf39a4a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20c9bcb84a26130d5d505d34897aa3fb34c534092bdac277ec4824fdf39a4a6", kill_on_drop: false }`
[INFO] [stdout] d20c9bcb84a26130d5d505d34897aa3fb34c534092bdac277ec4824fdf39a4a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e367aae730320c48906f4b66646d968159f5cfbb130988acd8a3684b1f8369a
[INFO] running `Command { std: "docker" "start" "-a" "9e367aae730320c48906f4b66646d968159f5cfbb130988acd8a3684b1f8369a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling blocks v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/blocks-d1cd9d6e0ce01ee5)
[INFO] running `Command { std: "docker" "inspect" "9e367aae730320c48906f4b66646d968159f5cfbb130988acd8a3684b1f8369a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e367aae730320c48906f4b66646d968159f5cfbb130988acd8a3684b1f8369a", kill_on_drop: false }`
[INFO] [stdout] 9e367aae730320c48906f4b66646d968159f5cfbb130988acd8a3684b1f8369a