[INFO] cloning repository https://github.com/eschalks/git-find-merge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eschalks/git-find-merge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feschalks%2Fgit-find-merge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feschalks%2Fgit-find-merge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19fd2ded48fed42528d1840b5aa1afaaa991ae05
[INFO] building eschalks/git-find-merge against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feschalks%2Fgit-find-merge" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eschalks/git-find-merge 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 git repo https://github.com/eschalks/git-find-merge
[INFO] finished tweaking git repo https://github.com/eschalks/git-find-merge
[INFO] tweaked toml for git repo https://github.com/eschalks/git-find-merge written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/eschalks/git-find-merge 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 17f37f15bd589edda51f95c566bc7f8510830a46383b80c35fc5126d280bd7bc
[INFO] running `Command { std: "docker" "start" "-a" "17f37f15bd589edda51f95c566bc7f8510830a46383b80c35fc5126d280bd7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17f37f15bd589edda51f95c566bc7f8510830a46383b80c35fc5126d280bd7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f37f15bd589edda51f95c566bc7f8510830a46383b80c35fc5126d280bd7bc", kill_on_drop: false }`
[INFO] [stdout] 17f37f15bd589edda51f95c566bc7f8510830a46383b80c35fc5126d280bd7bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1f4b6ee6b5ecfb301fccd870b9ce97b91596d44cc18648f391846a60bfaa1a1e
[INFO] running `Command { std: "docker" "start" "-a" "1f4b6ee6b5ecfb301fccd870b9ce97b91596d44cc18648f391846a60bfaa1a1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling git-find-merge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/main.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |            None => (
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 59 | |              execute_git("show-ref", ["-s", "HEAD"])?
[INFO] [stdout]    | | ____________^________________________________________^
[INFO] [stdout]    | ||____________|
[INFO] [stdout]    |  |
[INFO] [stdout] 60 |  |         )
[INFO] [stdout]    |  |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 58 -         None => (
[INFO] [stdout] 59 -             execute_git("show-ref", ["-s", "HEAD"])?
[INFO] [stdout] 58 +         None => execute_git("show-ref", ["-s", "HEAD"])?
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.44s
[INFO] running `Command { std: "docker" "inspect" "1f4b6ee6b5ecfb301fccd870b9ce97b91596d44cc18648f391846a60bfaa1a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f4b6ee6b5ecfb301fccd870b9ce97b91596d44cc18648f391846a60bfaa1a1e", kill_on_drop: false }`
[INFO] [stdout] 1f4b6ee6b5ecfb301fccd870b9ce97b91596d44cc18648f391846a60bfaa1a1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b9f2209cf7b7f337d9514a839d64211396c0b4df5088b98f863f947239eb8f25
[INFO] running `Command { std: "docker" "start" "-a" "b9f2209cf7b7f337d9514a839d64211396c0b4df5088b98f863f947239eb8f25", kill_on_drop: false }`
[INFO] [stderr]    Compiling git-find-merge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/main.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |            None => (
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 59 | |              execute_git("show-ref", ["-s", "HEAD"])?
[INFO] [stdout]    | | ____________^________________________________________^
[INFO] [stdout]    | ||____________|
[INFO] [stdout]    |  |
[INFO] [stdout] 60 |  |         )
[INFO] [stdout]    |  |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 58 -         None => (
[INFO] [stdout] 59 -             execute_git("show-ref", ["-s", "HEAD"])?
[INFO] [stdout] 58 +         None => execute_git("show-ref", ["-s", "HEAD"])?
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "b9f2209cf7b7f337d9514a839d64211396c0b4df5088b98f863f947239eb8f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f2209cf7b7f337d9514a839d64211396c0b4df5088b98f863f947239eb8f25", kill_on_drop: false }`
[INFO] [stdout] b9f2209cf7b7f337d9514a839d64211396c0b4df5088b98f863f947239eb8f25