[INFO] cloning repository https://github.com/EdgardoArriagada/zsb-bundler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EdgardoArriagada/zsb-bundler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdgardoArriagada%2Fzsb-bundler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdgardoArriagada%2Fzsb-bundler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 133fa81e62c74f9786e92d755948ce2ff795ea12
[INFO] checking EdgardoArriagada/zsb-bundler/133fa81e62c74f9786e92d755948ce2ff795ea12 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%2FEdgardoArriagada%2Fzsb-bundler" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EdgardoArriagada/zsb-bundler 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/EdgardoArriagada/zsb-bundler
[INFO] finished tweaking git repo https://github.com/EdgardoArriagada/zsb-bundler
[INFO] tweaked toml for git repo https://github.com/EdgardoArriagada/zsb-bundler written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/EdgardoArriagada/zsb-bundler 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e4f5330094ce3fe47bfbe6d49c9e2afabb18e50aff0c8eca969be0b1994482f1
[INFO] running `Command { std: "docker" "start" "-a" "e4f5330094ce3fe47bfbe6d49c9e2afabb18e50aff0c8eca969be0b1994482f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4f5330094ce3fe47bfbe6d49c9e2afabb18e50aff0c8eca969be0b1994482f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4f5330094ce3fe47bfbe6d49c9e2afabb18e50aff0c8eca969be0b1994482f1", kill_on_drop: false }`
[INFO] [stdout] e4f5330094ce3fe47bfbe6d49c9e2afabb18e50aff0c8eca969be0b1994482f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1e91888f005e1b77bf8db4be48c54ecdef127165188a9b877f66e9267289053a
[INFO] running `Command { std: "docker" "start" "-a" "1e91888f005e1b77bf8db4be48c54ecdef127165188a9b877f66e9267289053a", kill_on_drop: false }`
[INFO] [stderr]     Checking zsb-bundler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `ppush2` is never used
[INFO] [stdout]   --> src/bundle_lines.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | trait VecExt<Char> {
[INFO] [stdout]    |       ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn ppush2(&mut self, c1: char, c2: char);
[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: method `ppush2` is never used
[INFO] [stdout]   --> src/bundle_lines.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | trait VecExt<Char> {
[INFO] [stdout]    |       ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn ppush2(&mut self, c1: char, c2: char);
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "1e91888f005e1b77bf8db4be48c54ecdef127165188a9b877f66e9267289053a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e91888f005e1b77bf8db4be48c54ecdef127165188a9b877f66e9267289053a", kill_on_drop: false }`
[INFO] [stdout] 1e91888f005e1b77bf8db4be48c54ecdef127165188a9b877f66e9267289053a