[INFO] fetching crate mfmt 0.3.9...
[INFO] building mfmt-0.3.9 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate mfmt 0.3.9 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mfmt 0.3.9 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] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate mfmt 0.3.9
[INFO] finished tweaking crates.io crate mfmt 0.3.9
[INFO] tweaked toml for crates.io crate mfmt 0.3.9 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4d3abd714f18dbbba68b60b311cf718b44fa6596ff370b4db81a5ed408dfdda7
[INFO] running `Command { std: "docker" "start" "-a" "4d3abd714f18dbbba68b60b311cf718b44fa6596ff370b4db81a5ed408dfdda7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d3abd714f18dbbba68b60b311cf718b44fa6596ff370b4db81a5ed408dfdda7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3abd714f18dbbba68b60b311cf718b44fa6596ff370b4db81a5ed408dfdda7", kill_on_drop: false }`
[INFO] [stdout] 4d3abd714f18dbbba68b60b311cf718b44fa6596ff370b4db81a5ed408dfdda7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 63f9a3a7d1e3e91518a23d9924422bde7210644e048851ae58d2117d5e199543
[INFO] running `Command { std: "docker" "start" "-a" "63f9a3a7d1e3e91518a23d9924422bde7210644e048851ae58d2117d5e199543", kill_on_drop: false }`
[INFO] [stderr]    Compiling mfmt v0.3.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "63f9a3a7d1e3e91518a23d9924422bde7210644e048851ae58d2117d5e199543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f9a3a7d1e3e91518a23d9924422bde7210644e048851ae58d2117d5e199543", kill_on_drop: false }`
[INFO] [stdout] 63f9a3a7d1e3e91518a23d9924422bde7210644e048851ae58d2117d5e199543
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 46955e83a57e2f33366ce5c390c3e6adbd911139a192fd35203745bcde53b336
[INFO] running `Command { std: "docker" "start" "-a" "46955e83a57e2f33366ce5c390c3e6adbd911139a192fd35203745bcde53b336", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling mfmt v0.3.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "46955e83a57e2f33366ce5c390c3e6adbd911139a192fd35203745bcde53b336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46955e83a57e2f33366ce5c390c3e6adbd911139a192fd35203745bcde53b336", kill_on_drop: false }`
[INFO] [stdout] 46955e83a57e2f33366ce5c390c3e6adbd911139a192fd35203745bcde53b336