[INFO] fetching crate expressions 2.0.0...
[INFO] checking expressions-2.0.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate expressions 2.0.0 into /workspace/builds/worker-0-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate expressions 2.0.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_meta v2.7.3
[INFO] [stderr]   Downloaded thiserror v1.0.48
[INFO] [stderr]   Downloaded pest_generator v2.7.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.48
[INFO] [stderr]   Downloaded pest_derive v2.7.3
[INFO] [stderr]   Downloaded pest v2.7.3
[INFO] [stderr]   Downloaded libc v0.2.148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 968615f1d9d9a594495d01d9713f70f7e413ffb2ad4a77e44dd412119f44a374
[INFO] running `Command { std: "docker" "start" "-a" "968615f1d9d9a594495d01d9713f70f7e413ffb2ad4a77e44dd412119f44a374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "968615f1d9d9a594495d01d9713f70f7e413ffb2ad4a77e44dd412119f44a374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968615f1d9d9a594495d01d9713f70f7e413ffb2ad4a77e44dd412119f44a374", kill_on_drop: false }`
[INFO] [stdout] 968615f1d9d9a594495d01d9713f70f7e413ffb2ad4a77e44dd412119f44a374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16ca9e4b7f3bf4821bf04ed08a7527004119ce96a3e78893ffe2870b56a6f434
[INFO] running `Command { std: "docker" "start" "-a" "16ca9e4b7f3bf4821bf04ed08a7527004119ce96a3e78893ffe2870b56a6f434", 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.78s
[INFO] running `Command { std: "docker" "inspect" "16ca9e4b7f3bf4821bf04ed08a7527004119ce96a3e78893ffe2870b56a6f434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ca9e4b7f3bf4821bf04ed08a7527004119ce96a3e78893ffe2870b56a6f434", kill_on_drop: false }`
[INFO] [stdout] 16ca9e4b7f3bf4821bf04ed08a7527004119ce96a3e78893ffe2870b56a6f434