[INFO] fetching crate math-parse 1.0.2...
[INFO] checking math-parse-1.0.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate math-parse 1.0.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate math-parse 1.0.2
[INFO] finished tweaking crates.io crate math-parse 1.0.2
[INFO] tweaked toml for crates.io crate math-parse 1.0.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate math-parse 1.0.2 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate math-parse 1.0.2 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 325dfdc5861e84d9bcd4b5d1fe3f9cb67b00cb52972fd73b0758949a2fc3a1cd
[INFO] running `Command { std: "docker" "start" "-a" "325dfdc5861e84d9bcd4b5d1fe3f9cb67b00cb52972fd73b0758949a2fc3a1cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "325dfdc5861e84d9bcd4b5d1fe3f9cb67b00cb52972fd73b0758949a2fc3a1cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "325dfdc5861e84d9bcd4b5d1fe3f9cb67b00cb52972fd73b0758949a2fc3a1cd", kill_on_drop: false }`
[INFO] [stdout] 325dfdc5861e84d9bcd4b5d1fe3f9cb67b00cb52972fd73b0758949a2fc3a1cd
[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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ee0854baf2dbc5525166da6fb4499283483db33ecfa5896dbbc2183a022da9c
[INFO] running `Command { std: "docker" "start" "-a" "4ee0854baf2dbc5525166da6fb4499283483db33ecfa5896dbbc2183a022da9c", kill_on_drop: false }`
[INFO] [stderr]     Checking math-parse v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of a double negation
[INFO] [stdout]    --> src/lib.rs:558:31
[INFO] [stdout]     |
[INFO] [stdout] 558 |     compute_int("-−-+++-a", ----a);
[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] 558 |     compute_int("-−-+++-a", ---(-a));
[INFO] [stdout]     |                                +  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:498:14
[INFO] [stdout]     |
[INFO] [stdout] 498 | fn name_p(s: &str) -> tokenize::MathValue {
[INFO] [stdout]     |              ^^^^     ------------------- the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 498 | fn name_p(s: &str) -> tokenize::MathValue<'_> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "4ee0854baf2dbc5525166da6fb4499283483db33ecfa5896dbbc2183a022da9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee0854baf2dbc5525166da6fb4499283483db33ecfa5896dbbc2183a022da9c", kill_on_drop: false }`
[INFO] [stdout] 4ee0854baf2dbc5525166da6fb4499283483db33ecfa5896dbbc2183a022da9c