[INFO] cloning repository https://github.com/LuisanSuarez/grrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LuisanSuarez/grrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuisanSuarez%2Fgrrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuisanSuarez%2Fgrrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 434707c5a3bc56302092686428c728f05e8b9ba7
[INFO] checking LuisanSuarez/grrs against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuisanSuarez%2Fgrrs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LuisanSuarez/grrs
[INFO] finished tweaking git repo https://github.com/LuisanSuarez/grrs
[INFO] tweaked toml for git repo https://github.com/LuisanSuarez/grrs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LuisanSuarez/grrs on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LuisanSuarez/grrs 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates v2.1.5
[INFO] [stderr]   Downloaded either v1.8.1
[INFO] [stderr]   Downloaded predicates-core v1.0.6
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded termtree v0.4.1
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded doc-comment v0.3.3
[INFO] [stderr]   Downloaded predicates-tree v1.0.9
[INFO] [stderr]   Downloaded fastrand v1.9.0
[INFO] [stderr]   Downloaded globwalk v0.8.1
[INFO] [stderr]   Downloaded instant v0.1.12
[INFO] [stderr]   Downloaded difflib v0.4.0
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded assert_cmd v2.0.11
[INFO] [stderr]   Downloaded globset v0.4.10
[INFO] [stderr]   Downloaded thread_local v1.1.7
[INFO] [stderr]   Downloaded walkdir v2.3.3
[INFO] [stderr]   Downloaded anyhow v1.0.71
[INFO] [stderr]   Downloaded ignore v0.4.20
[INFO] [stderr]   Downloaded serde v1.0.162
[INFO] [stderr]   Downloaded itertools v0.10.5
[INFO] [stderr]   Downloaded assert_fs v1.0.13
[INFO] [stderr]   Downloaded aho-corasick v0.7.20
[INFO] [stderr]   Downloaded aho-corasick v1.0.1
[INFO] [stderr]   Downloaded clap_builder v4.2.5
[INFO] [stderr]   Downloaded clap v4.2.5
[INFO] [stderr]   Downloaded num-traits v0.2.15
[INFO] [stderr]   Downloaded regex v1.8.1
[INFO] [stderr]   Downloaded syn v2.0.15
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded predicates v3.0.3
[INFO] [stderr]   Downloaded tempfile v3.5.0
[INFO] [stderr]   Downloaded regex-syntax v0.7.1
[INFO] [stderr]   Downloaded anstream v0.3.1
[INFO] [stderr]   Downloaded bstr v1.4.0
[INFO] [stderr]   Downloaded rustix v0.37.18
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded float-cmp v0.9.0
[INFO] [stderr]   Downloaded libc v0.2.142
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8576bdcad91eaf3663d62364204e5922b0ce1224a4e62be6bc508d565faa118e
[INFO] running `Command { std: "docker" "start" "-a" "8576bdcad91eaf3663d62364204e5922b0ce1224a4e62be6bc508d565faa118e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8576bdcad91eaf3663d62364204e5922b0ce1224a4e62be6bc508d565faa118e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8576bdcad91eaf3663d62364204e5922b0ce1224a4e62be6bc508d565faa118e", kill_on_drop: false }`
[INFO] [stdout] 8576bdcad91eaf3663d62364204e5922b0ce1224a4e62be6bc508d565faa118e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7b218c225ae5806e45fcf7f27771fc140fef1209bab58b5bd8383d136371d19
[INFO] running `Command { std: "docker" "start" "-a" "e7b218c225ae5806e45fcf7f27771fc140fef1209bab58b5bd8383d136371d19", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling rustix v0.37.18
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking linux-raw-sys v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking clap_lex v0.4.1
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking bstr v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking regex v1.8.1
[INFO] [stderr]     Checking assert_cmd v2.0.11
[INFO] [stderr]     Checking globset v0.4.10
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking tempfile v3.5.0
[INFO] [stderr]     Checking anstream v0.3.1
[INFO] [stderr]     Checking ignore v0.4.20
[INFO] [stderr]     Checking clap_builder v4.2.5
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking assert_fs v1.0.13
[INFO] [stderr]    Compiling clap_derive v4.2.0
[INFO] [stderr]     Checking clap v4.2.5
[INFO] [stderr]     Checking hello-crates-grrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/lib.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |             writeln!(writer, "{}", line);
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 4 |             let _ = writeln!(writer, "{}", line);
[INFO] [stdout]   |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/lib.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |             writeln!(writer, "{}", line);
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 4 |             let _ = writeln!(writer, "{}", line);
[INFO] [stdout]   |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             writeln!(writer, "{}", line);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |             let _ = writeln!(writer, "{}", line);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             writeln!(writer, "{}", line);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |             let _ = writeln!(writer, "{}", line);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.43s
[INFO] running `Command { std: "docker" "inspect" "e7b218c225ae5806e45fcf7f27771fc140fef1209bab58b5bd8383d136371d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b218c225ae5806e45fcf7f27771fc140fef1209bab58b5bd8383d136371d19", kill_on_drop: false }`
[INFO] [stdout] e7b218c225ae5806e45fcf7f27771fc140fef1209bab58b5bd8383d136371d19
