[INFO] cloning repository https://github.com/CPRocker/isotope
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CPRocker/isotope" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCPRocker%2Fisotope", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCPRocker%2Fisotope'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c57dc5ac60052472bab0de55cfe6985e397f1cc4
[INFO] checking CPRocker/isotope/c57dc5ac60052472bab0de55cfe6985e397f1cc4 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%2FCPRocker%2Fisotope" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CPRocker/isotope 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/CPRocker/isotope
[INFO] finished tweaking git repo https://github.com/CPRocker/isotope
[INFO] tweaked toml for git repo https://github.com/CPRocker/isotope written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/CPRocker/isotope 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] [stderr] warning: /workspace/builds/worker-7-tc2/source/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] aaed5ee15fadc01eb87b232206f51c88350c754d3e86fce5ab10e6f13c953718
[INFO] running `Command { std: "docker" "start" "-a" "aaed5ee15fadc01eb87b232206f51c88350c754d3e86fce5ab10e6f13c953718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaed5ee15fadc01eb87b232206f51c88350c754d3e86fce5ab10e6f13c953718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaed5ee15fadc01eb87b232206f51c88350c754d3e86fce5ab10e6f13c953718", kill_on_drop: false }`
[INFO] [stdout] aaed5ee15fadc01eb87b232206f51c88350c754d3e86fce5ab10e6f13c953718
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 14baed54f6af4c4fee0984a30f75d312e842387753677130d5d94f0f07d43262
[INFO] running `Command { std: "docker" "start" "-a" "14baed54f6af4c4fee0984a30f75d312e842387753677130d5d94f0f07d43262", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking isotope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `open_scope` is never used
[INFO] [stdout]   --> src/generator/program.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Program {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn open_scope(&mut self) {}
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `open_scope` is never used
[INFO] [stdout]   --> src/generator/program.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Program {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn open_scope(&mut self) {}
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "14baed54f6af4c4fee0984a30f75d312e842387753677130d5d94f0f07d43262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14baed54f6af4c4fee0984a30f75d312e842387753677130d5d94f0f07d43262", kill_on_drop: false }`
[INFO] [stdout] 14baed54f6af4c4fee0984a30f75d312e842387753677130d5d94f0f07d43262