[INFO] cloning repository https://github.com/S-Mann/bad-grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/S-Mann/bad-grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FS-Mann%2Fbad-grep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FS-Mann%2Fbad-grep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d9f40048a324c9e46d0c69716a8d9edba4ef825
[INFO] building S-Mann/bad-grep 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%2FS-Mann%2Fbad-grep" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/S-Mann/bad-grep 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/S-Mann/bad-grep
[INFO] finished tweaking git repo https://github.com/S-Mann/bad-grep
[INFO] tweaked toml for git repo https://github.com/S-Mann/bad-grep written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/S-Mann/bad-grep 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c6385cb07b1389b17512ccf767a1bb0f163b773678106ad9774c1e2a5ecff64c
[INFO] running `Command { std: "docker" "start" "-a" "c6385cb07b1389b17512ccf767a1bb0f163b773678106ad9774c1e2a5ecff64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6385cb07b1389b17512ccf767a1bb0f163b773678106ad9774c1e2a5ecff64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6385cb07b1389b17512ccf767a1bb0f163b773678106ad9774c1e2a5ecff64c", kill_on_drop: false }`
[INFO] [stdout] c6385cb07b1389b17512ccf767a1bb0f163b773678106ad9774c1e2a5ecff64c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5a4e9ea044307d9ac146948ccccf432ff8ff4b42d55d1f201fc46cf7f9139848
[INFO] running `Command { std: "docker" "start" "-a" "5a4e9ea044307d9ac146948ccccf432ff8ff4b42d55d1f201fc46cf7f9139848", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling bad-grep v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/app_logic/mod.rs:41:38
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let file_path = filename.as_ref().clone();
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 41 -     let file_path = filename.as_ref().clone();
[INFO] [stdout] 41 +     let file_path = filename.as_ref();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `Command { std: "docker" "inspect" "5a4e9ea044307d9ac146948ccccf432ff8ff4b42d55d1f201fc46cf7f9139848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4e9ea044307d9ac146948ccccf432ff8ff4b42d55d1f201fc46cf7f9139848", kill_on_drop: false }`
[INFO] [stdout] 5a4e9ea044307d9ac146948ccccf432ff8ff4b42d55d1f201fc46cf7f9139848
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1d4e8af4e6711755d49d751c3e478437a4310d24740acf13c093f3a0d6faec0e
[INFO] running `Command { std: "docker" "start" "-a" "1d4e8af4e6711755d49d751c3e478437a4310d24740acf13c093f3a0d6faec0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bad-grep v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/app_logic/mod.rs:41:38
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let file_path = filename.as_ref().clone();
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 41 -     let file_path = filename.as_ref().clone();
[INFO] [stdout] 41 +     let file_path = filename.as_ref();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "1d4e8af4e6711755d49d751c3e478437a4310d24740acf13c093f3a0d6faec0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d4e8af4e6711755d49d751c3e478437a4310d24740acf13c093f3a0d6faec0e", kill_on_drop: false }`
[INFO] [stdout] 1d4e8af4e6711755d49d751c3e478437a4310d24740acf13c093f3a0d6faec0e