[INFO] fetching crate expressions 2.0.0... [INFO] checking expressions-2.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate expressions 2.0.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate expressions 2.0.0 [INFO] finished tweaking crates.io crate expressions 2.0.0 [INFO] tweaked toml for crates.io crate expressions 2.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate expressions 2.0.0 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 crates.io crate expressions 2.0.0 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] 527f73055e857e9311765a323bdf0df5d11209cdb083c6c665df6a80594bce66 [INFO] running `Command { std: "docker" "start" "-a" "527f73055e857e9311765a323bdf0df5d11209cdb083c6c665df6a80594bce66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "527f73055e857e9311765a323bdf0df5d11209cdb083c6c665df6a80594bce66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "527f73055e857e9311765a323bdf0df5d11209cdb083c6c665df6a80594bce66", kill_on_drop: false }` [INFO] [stdout] 527f73055e857e9311765a323bdf0df5d11209cdb083c6c665df6a80594bce66 [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] 354b7a1d2823e89219126e3abfd4a04f1167846f358cfcdfa419d97db4c746c2 [INFO] running `Command { std: "docker" "start" "-a" "354b7a1d2823e89219126e3abfd4a04f1167846f358cfcdfa419d97db4c746c2", kill_on_drop: false }` [INFO] [stderr] Compiling thiserror v1.0.48 [INFO] [stderr] Compiling ucd-trie v0.1.6 [INFO] [stderr] Compiling memchr v2.6.3 [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 [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 [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 [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [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 [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 [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] running `Command { std: "docker" "inspect" "354b7a1d2823e89219126e3abfd4a04f1167846f358cfcdfa419d97db4c746c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "354b7a1d2823e89219126e3abfd4a04f1167846f358cfcdfa419d97db4c746c2", kill_on_drop: false }` [INFO] [stdout] 354b7a1d2823e89219126e3abfd4a04f1167846f358cfcdfa419d97db4c746c2