[INFO] cloning repository https://github.com/AustinScola/arbsego
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AustinScola/arbsego" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAustinScola%2Farbsego", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAustinScola%2Farbsego'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddefe9dde867483b5c2b35b3e8f0d4e27c9e02a8
[INFO] checking AustinScola/arbsego/ddefe9dde867483b5c2b35b3e8f0d4e27c9e02a8 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAustinScola%2Farbsego" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AustinScola/arbsego on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AustinScola/arbsego
[INFO] finished tweaking git repo https://github.com/AustinScola/arbsego
[INFO] tweaked toml for git repo https://github.com/AustinScola/arbsego written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AustinScola/arbsego 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99fdd3e8c473d81098de28806a13036f0b3e9d6715fee5b6f3b4439b300fdc93
[INFO] running `Command { std: "docker" "start" "-a" "99fdd3e8c473d81098de28806a13036f0b3e9d6715fee5b6f3b4439b300fdc93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99fdd3e8c473d81098de28806a13036f0b3e9d6715fee5b6f3b4439b300fdc93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99fdd3e8c473d81098de28806a13036f0b3e9d6715fee5b6f3b4439b300fdc93", kill_on_drop: false }`
[INFO] [stdout] 99fdd3e8c473d81098de28806a13036f0b3e9d6715fee5b6f3b4439b300fdc93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa489d6e84e1e83b0cc611a20198bc6345f3779c9dff59e7418c7c89bec551d4
[INFO] running `Command { std: "docker" "start" "-a" "aa489d6e84e1e83b0cc611a20198bc6345f3779c9dff59e7418c7c89bec551d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling tree-sitter v0.19.5
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling tree-sitter-bash v0.19.0
[INFO] [stderr]    Compiling tree-sitter-rust v0.19.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]    Compiling test-case v2.0.2
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking arbsego v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Language`
[INFO] [stdout]   --> src/patterns/rust_comment_line_ignore.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     use tree_sitter::{Language, Node, Parser, Tree};
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `file_type` is never used
[INFO] [stdout]  --> src/pattern.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Pattern: Sync {
[INFO] [stdout]   |           ------- method in this trait
[INFO] [stdout] 6 |     fn file_type(&self) -> FileType;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `file_type` is never used
[INFO] [stdout]  --> src/pattern.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Pattern: Sync {
[INFO] [stdout]   |           ------- method in this trait
[INFO] [stdout] 6 |     fn file_type(&self) -> FileType;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.59s
[INFO] running `Command { std: "docker" "inspect" "aa489d6e84e1e83b0cc611a20198bc6345f3779c9dff59e7418c7c89bec551d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa489d6e84e1e83b0cc611a20198bc6345f3779c9dff59e7418c7c89bec551d4", kill_on_drop: false }`
[INFO] [stdout] aa489d6e84e1e83b0cc611a20198bc6345f3779c9dff59e7418c7c89bec551d4