[INFO] fetching crate matchgen 0.3.0...
[INFO] building matchgen-0.3.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate matchgen 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate matchgen 0.3.0 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matchgen 0.3.0
[INFO] finished tweaking crates.io crate matchgen 0.3.0
[INFO] tweaked toml for crates.io crate matchgen 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate matchgen 0.3.0 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35ae626d1c83d02e0ba155b79c93f5e25102a813fbdcc05d7a931e8d8a423376
[INFO] running `Command { std: "docker" "start" "-a" "35ae626d1c83d02e0ba155b79c93f5e25102a813fbdcc05d7a931e8d8a423376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35ae626d1c83d02e0ba155b79c93f5e25102a813fbdcc05d7a931e8d8a423376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35ae626d1c83d02e0ba155b79c93f5e25102a813fbdcc05d7a931e8d8a423376", kill_on_drop: false }`
[INFO] [stdout] 35ae626d1c83d02e0ba155b79c93f5e25102a813fbdcc05d7a931e8d8a423376
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03b03291c8f4223fd94a34397020ece0c515b00ed4ae3ee2d799469e77d3d19c
[INFO] running `Command { std: "docker" "start" "-a" "03b03291c8f4223fd94a34397020ece0c515b00ed4ae3ee2d799469e77d3d19c", kill_on_drop: false }`
[INFO] [stderr]    Compiling matchgen v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "03b03291c8f4223fd94a34397020ece0c515b00ed4ae3ee2d799469e77d3d19c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b03291c8f4223fd94a34397020ece0c515b00ed4ae3ee2d799469e77d3d19c", kill_on_drop: false }`
[INFO] [stdout] 03b03291c8f4223fd94a34397020ece0c515b00ed4ae3ee2d799469e77d3d19c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8c6dd55d1b7e22bc7806b2ac6991ffafc43a0418420024761e85ba1b86a9873
[INFO] running `Command { std: "docker" "start" "-a" "c8c6dd55d1b7e22bc7806b2ac6991ffafc43a0418420024761e85ba1b86a9873", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling temp-dir v0.1.11
[INFO] [stderr]    Compiling pretty_assertions v1.3.0
[INFO] [stderr]    Compiling bstr v1.5.0
[INFO] [stderr]    Compiling matchgen v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "c8c6dd55d1b7e22bc7806b2ac6991ffafc43a0418420024761e85ba1b86a9873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c6dd55d1b7e22bc7806b2ac6991ffafc43a0418420024761e85ba1b86a9873", kill_on_drop: false }`
[INFO] [stdout] c8c6dd55d1b7e22bc7806b2ac6991ffafc43a0418420024761e85ba1b86a9873