[INFO] cloning repository https://github.com/AndreasHGK/expressions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndreasHGK/expressions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreasHGK%2Fexpressions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreasHGK%2Fexpressions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bfad68226986f5ff9d7d9d4a3a6e8eaeae8010b
[INFO] checking AndreasHGK/expressions against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreasHGK%2Fexpressions" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AndreasHGK/expressions
[INFO] finished tweaking git repo https://github.com/AndreasHGK/expressions
[INFO] tweaked toml for git repo https://github.com/AndreasHGK/expressions written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AndreasHGK/expressions on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AndreasHGK/expressions 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 015416a13dda60f267b765461f39327b3b6edc782763068cc572669725533060
[INFO] running `Command { std: "docker" "start" "-a" "015416a13dda60f267b765461f39327b3b6edc782763068cc572669725533060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "015416a13dda60f267b765461f39327b3b6edc782763068cc572669725533060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "015416a13dda60f267b765461f39327b3b6edc782763068cc572669725533060", kill_on_drop: false }`
[INFO] [stdout] 015416a13dda60f267b765461f39327b3b6edc782763068cc572669725533060
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98141ece18a3f1cc544ee1eacd1850f992ef6867ac94e139bd8b916f624056b9
[INFO] running `Command { std: "docker" "start" "-a" "98141ece18a3f1cc544ee1eacd1850f992ef6867ac94e139bd8b916f624056b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling pest v2.7.3
[INFO] [stderr]    Compiling pest_meta v2.7.3
[INFO] [stderr]    Compiling pest_generator v2.7.3
[INFO] [stderr]    Compiling pest_derive v2.7.3
[INFO] [stderr]     Checking expressions v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of a double negation
[INFO] [stdout]   --> src/lib.rs:36:37
[INFO] [stdout]    |
[INFO] [stdout] 36 |         try_eval!(i32, 1 - -1 + (-----1 * (4 * -3 % -3)) * 10);
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stdout]    = note: use `-= 1` if you meant to decrement the value
[INFO] [stdout]    = note: `#[warn(double_negations)]` on by default
[INFO] [stdout] help: add parentheses for clarity
[INFO] [stdout]    |
[INFO] [stdout] 36 |         try_eval!(i32, 1 - -1 + (----(-1) * (4 * -3 % -3)) * 10);
[INFO] [stdout]    |                                      +  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of a double negation
[INFO] [stdout]   --> src/lib.rs:37:38
[INFO] [stdout]    |
[INFO] [stdout] 37 |         try_eval!(i32, 1 - -1 + ((-----1) * (4 * -3 % -3)) * 10);
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stdout]    = note: use `-= 1` if you meant to decrement the value
[INFO] [stdout] help: add parentheses for clarity
[INFO] [stdout]    |
[INFO] [stdout] 37 |         try_eval!(i32, 1 - -1 + ((----(-1)) * (4 * -3 % -3)) * 10);
[INFO] [stdout]    |                                       +  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of a double negation
[INFO] [stdout]   --> src/lib.rs:38:37
[INFO] [stdout]    |
[INFO] [stdout] 38 |         try_eval!(i32, 1 - -1 + (-----1 * (4 * -3 % -3)) + 10);
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stdout]    = note: use `-= 1` if you meant to decrement the value
[INFO] [stdout] help: add parentheses for clarity
[INFO] [stdout]    |
[INFO] [stdout] 38 |         try_eval!(i32, 1 - -1 + (----(-1) * (4 * -3 % -3)) + 10);
[INFO] [stdout]    |                                      +  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/eval.rs:198:34
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 self.checked_pow(other.try_into().map_err(|_| IntEvalError::Overflow)?)
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 235 | eval_int!(u8);
[INFO] [stdout]     | ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `eval_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/eval.rs:198:34
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 self.checked_pow(other.try_into().map_err(|_| IntEvalError::Overflow)?)
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 236 | eval_int!(u16);
[INFO] [stdout]     | -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `eval_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/eval.rs:198:34
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 self.checked_pow(other.try_into().map_err(|_| IntEvalError::Overflow)?)
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 | eval_int!(u32);
[INFO] [stdout]     | -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `eval_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `expressions` (lib test) due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/eval.rs:198:34
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 self.checked_pow(other.try_into().map_err(|_| IntEvalError::Overflow)?)
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 235 | eval_int!(u8);
[INFO] [stdout]     | ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `eval_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/eval.rs:198:34
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 self.checked_pow(other.try_into().map_err(|_| IntEvalError::Overflow)?)
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 236 | eval_int!(u16);
[INFO] [stdout]     | -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `eval_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/eval.rs:198:34
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 self.checked_pow(other.try_into().map_err(|_| IntEvalError::Overflow)?)
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 | eval_int!(u32);
[INFO] [stdout]     | -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `eval_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `expressions` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "98141ece18a3f1cc544ee1eacd1850f992ef6867ac94e139bd8b916f624056b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98141ece18a3f1cc544ee1eacd1850f992ef6867ac94e139bd8b916f624056b9", kill_on_drop: false }`
[INFO] [stdout] 98141ece18a3f1cc544ee1eacd1850f992ef6867ac94e139bd8b916f624056b9