[INFO] cloning repository https://github.com/cdotrus/koopa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cdotrus/koopa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdotrus%2Fkoopa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdotrus%2Fkoopa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b12fc2c4aac5b8c9bdb3b5970747a53d99905a8e
[INFO] checking cdotrus/koopa against try#c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6 for pr-145463
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdotrus%2Fkoopa" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cdotrus/koopa
[INFO] finished tweaking git repo https://github.com/cdotrus/koopa
[INFO] tweaked toml for git repo https://github.com/cdotrus/koopa written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cdotrus/koopa on toolchain c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cdotrus/koopa 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" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cliproc v2.1.0
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc552062a46178543979fbca1c3ed0d7e6e47a8aecdb5dafc54fbf13b46a145c
[INFO] running `Command { std: "docker" "start" "-a" "fc552062a46178543979fbca1c3ed0d7e6e47a8aecdb5dafc54fbf13b46a145c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc552062a46178543979fbca1c3ed0d7e6e47a8aecdb5dafc54fbf13b46a145c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc552062a46178543979fbca1c3ed0d7e6e47a8aecdb5dafc54fbf13b46a145c", kill_on_drop: false }`
[INFO] [stdout] fc552062a46178543979fbca1c3ed0d7e6e47a8aecdb5dafc54fbf13b46a145c
[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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4601758bf96f01277a9b846f50445f0da948bbba5fcd49196d5f31bea0186e8d
[INFO] running `Command { std: "docker" "start" "-a" "4601758bf96f01277a9b846f50445f0da948bbba5fcd49196d5f31bea0186e8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking winnow v0.6.11
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking cliproc v2.1.0
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking ignore v0.4.22
[INFO] [stderr]     Checking serde_spanned v0.6.6
[INFO] [stderr]     Checking toml_datetime v0.6.6
[INFO] [stderr]     Checking toml_edit v0.22.14
[INFO] [stderr]     Checking toml v0.8.14
[INFO] [stderr]     Checking koopa v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> src/shell.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         state.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let _ = state.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> src/shell.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         state.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let _ = state.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.22s
[INFO] running `Command { std: "docker" "inspect" "4601758bf96f01277a9b846f50445f0da948bbba5fcd49196d5f31bea0186e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4601758bf96f01277a9b846f50445f0da948bbba5fcd49196d5f31bea0186e8d", kill_on_drop: false }`
[INFO] [stdout] 4601758bf96f01277a9b846f50445f0da948bbba5fcd49196d5f31bea0186e8d