[INFO] fetching crate lexington 0.3.0... [INFO] checking lexington-0.3.0 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1 [INFO] extracting crate lexington 0.3.0 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate lexington 0.3.0 [INFO] finished tweaking crates.io crate lexington 0.3.0 [INFO] tweaked toml for crates.io crate lexington 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate lexington 0.3.0 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 54ffe8dc603b4b2b08c68aab83c5ccb9c8bd518c0b00322c34b02785b085c29b [INFO] running `Command { std: "docker" "start" "-a" "54ffe8dc603b4b2b08c68aab83c5ccb9c8bd518c0b00322c34b02785b085c29b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "54ffe8dc603b4b2b08c68aab83c5ccb9c8bd518c0b00322c34b02785b085c29b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54ffe8dc603b4b2b08c68aab83c5ccb9c8bd518c0b00322c34b02785b085c29b", kill_on_drop: false }` [INFO] [stdout] 54ffe8dc603b4b2b08c68aab83c5ccb9c8bd518c0b00322c34b02785b085c29b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a73212bcfd057b4f5ae0657d1e4a08a667bd451b8314ca385343de96231a6308 [INFO] running `Command { std: "docker" "start" "-a" "a73212bcfd057b4f5ae0657d1e4a08a667bd451b8314ca385343de96231a6308", kill_on_drop: false }` [INFO] [stderr] Checking lexington v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Token` [INFO] [stdout] --> tests/lisp.rs:1:49 [INFO] [stdout] | [INFO] [stdout] 1 | use lexington::{Any,Lexer,Match,Matcher,Scanner,Token,Within}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/lisp.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | let mut v = Vec::new(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 111 | check_ok("()",list![]); [INFO] [stdout] | ------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `list` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> tests/lisp.rs:21:40 [INFO] [stdout] | [INFO] [stdout] 21 | fn parse<'a>(input: &'a str) -> Result { [INFO] [stdout] | -- ^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 21 | fn parse<'a>(input: &'a str) -> Result,()> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `LogicalNegation` is never used [INFO] [stdout] --> tests/logic.rs:14:7 [INFO] [stdout] | [INFO] [stdout] 14 | trait LogicalNegation { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `not` is never used [INFO] [stdout] --> tests/logic.rs:173:12 [INFO] [stdout] | [INFO] [stdout] 111 | impl Formula { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 173 | pub fn not(&mut self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `LogicalNot` is never constructed [INFO] [stdout] --> tests/logic.rs:328:5 [INFO] [stdout] | [INFO] [stdout] 319 | enum Kind { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 328 | LogicalNot, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Kind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `Command { std: "docker" "inspect" "a73212bcfd057b4f5ae0657d1e4a08a667bd451b8314ca385343de96231a6308", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a73212bcfd057b4f5ae0657d1e4a08a667bd451b8314ca385343de96231a6308", kill_on_drop: false }` [INFO] [stdout] a73212bcfd057b4f5ae0657d1e4a08a667bd451b8314ca385343de96231a6308