[INFO] fetching crate ansi-escapes 0.2.0...
[INFO] building ansi-escapes-0.2.0 against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate ansi-escapes 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate ansi-escapes 0.2.0 on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ansi-escapes 0.2.0
[INFO] finished tweaking crates.io crate ansi-escapes 0.2.0
[INFO] tweaked toml for crates.io crate ansi-escapes 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate ansi-escapes 0.2.0 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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "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
[ERROR] error running command: no output for 300 seconds
[INFO] building ansi-escapes-0.2.0 against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate ansi-escapes 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate ansi-escapes 0.2.0 on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ansi-escapes 0.2.0
[INFO] finished tweaking crates.io crate ansi-escapes 0.2.0
[INFO] tweaked toml for crates.io crate ansi-escapes 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate ansi-escapes 0.2.0 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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f77b6745ab277f4eabc6d1f92888ab02d440b56f4a299b140b2f8e833cf76e9b
[INFO] running `Command { std: "docker" "start" "-a" "f77b6745ab277f4eabc6d1f92888ab02d440b56f4a299b140b2f8e833cf76e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f77b6745ab277f4eabc6d1f92888ab02d440b56f4a299b140b2f8e833cf76e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f77b6745ab277f4eabc6d1f92888ab02d440b56f4a299b140b2f8e833cf76e9b", kill_on_drop: false }`
[INFO] [stdout] f77b6745ab277f4eabc6d1f92888ab02d440b56f4a299b140b2f8e833cf76e9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60a21c98a174c8957d7e324879a08f1ed651b57b5e4e4f03d7d7eb636aa9e527
[INFO] running `Command { std: "docker" "start" "-a" "60a21c98a174c8957d7e324879a08f1ed651b57b5e4e4f03d7d7eb636aa9e527", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi-escapes v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "60a21c98a174c8957d7e324879a08f1ed651b57b5e4e4f03d7d7eb636aa9e527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60a21c98a174c8957d7e324879a08f1ed651b57b5e4e4f03d7d7eb636aa9e527", kill_on_drop: false }`
[INFO] [stdout] 60a21c98a174c8957d7e324879a08f1ed651b57b5e4e4f03d7d7eb636aa9e527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a75e764ed8914dd86533522c3d3dd9f47e7d8a94fcdc82ef94f971d00c559c3a
[INFO] running `Command { std: "docker" "start" "-a" "a75e764ed8914dd86533522c3d3dd9f47e7d8a94fcdc82ef94f971d00c559c3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi-escapes v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "a75e764ed8914dd86533522c3d3dd9f47e7d8a94fcdc82ef94f971d00c559c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a75e764ed8914dd86533522c3d3dd9f47e7d8a94fcdc82ef94f971d00c559c3a", kill_on_drop: false }`
[INFO] [stdout] a75e764ed8914dd86533522c3d3dd9f47e7d8a94fcdc82ef94f971d00c559c3a