[INFO] fetching crate simple_peg 0.3.0... [INFO] building simple_peg-0.3.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2 [INFO] extracting crate simple_peg 0.3.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate simple_peg 0.3.0 [INFO] finished tweaking crates.io crate simple_peg 0.3.0 [INFO] tweaked toml for crates.io crate simple_peg 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate simple_peg 0.3.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate simple_peg 0.3.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fb56dd0ecd34ab3e10957aa290eadc5bfe5bdd8ccaff5d7ff539f5fe8af3f0f9 [INFO] running `Command { std: "docker" "start" "-a" "fb56dd0ecd34ab3e10957aa290eadc5bfe5bdd8ccaff5d7ff539f5fe8af3f0f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb56dd0ecd34ab3e10957aa290eadc5bfe5bdd8ccaff5d7ff539f5fe8af3f0f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb56dd0ecd34ab3e10957aa290eadc5bfe5bdd8ccaff5d7ff539f5fe8af3f0f9", kill_on_drop: false }` [INFO] [stdout] fb56dd0ecd34ab3e10957aa290eadc5bfe5bdd8ccaff5d7ff539f5fe8af3f0f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ef5034d215a45737069dcbd49f7b13ed5d050dbc70c8e05adbe68be7aa0b5ad [INFO] running `Command { std: "docker" "start" "-a" "8ef5034d215a45737069dcbd49f7b13ed5d050dbc70c8e05adbe68be7aa0b5ad", kill_on_drop: false }` [INFO] [stderr] Compiling simple_peg v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/peg.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/peg.rs:1341:13 [INFO] [stdout] | [INFO] [stdout] 1341 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/peg.rs:1034:13 [INFO] [stdout] | [INFO] [stdout] 1034 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memo` [INFO] [stdout] --> src/utils.rs:144:5 [INFO] [stdout] | [INFO] [stdout] 144 | memo: &'a Memo, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_memo` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/peg.rs:670:13 [INFO] [stdout] | [INFO] [stdout] 670 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/peg.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peg.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peg.rs:670:9 [INFO] [stdout] | [INFO] [stdout] 670 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/peg.rs:714:13 [INFO] [stdout] | [INFO] [stdout] 714 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/peg.rs:1286:13 [INFO] [stdout] | [INFO] [stdout] 1286 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peg.rs:714:9 [INFO] [stdout] | [INFO] [stdout] 714 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peg.rs:205:9 [INFO] [stdout] | [INFO] [stdout] 205 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/peg.rs:1396:13 [INFO] [stdout] | [INFO] [stdout] 1396 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peg.rs:1286:9 [INFO] [stdout] | [INFO] [stdout] 1286 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/peg.rs:1542:13 [INFO] [stdout] | [INFO] [stdout] 1542 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peg.rs:1034:9 [INFO] [stdout] | [INFO] [stdout] 1034 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peg.rs:1341:9 [INFO] [stdout] | [INFO] [stdout] 1341 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peg.rs:1396:9 [INFO] [stdout] | [INFO] [stdout] 1396 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peg.rs:1542:9 [INFO] [stdout] | [INFO] [stdout] 1542 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `Command { std: "docker" "inspect" "8ef5034d215a45737069dcbd49f7b13ed5d050dbc70c8e05adbe68be7aa0b5ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ef5034d215a45737069dcbd49f7b13ed5d050dbc70c8e05adbe68be7aa0b5ad", kill_on_drop: false }` [INFO] [stdout] 8ef5034d215a45737069dcbd49f7b13ed5d050dbc70c8e05adbe68be7aa0b5ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 522cf958ec1f27f2f949fa9369c9b51e83bff015864371dec15a34cf9e0ff901 [INFO] running `Command { std: "docker" "start" "-a" "522cf958ec1f27f2f949fa9369c9b51e83bff015864371dec15a34cf9e0ff901", kill_on_drop: false }` [INFO] [stderr] Compiling simple_peg v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/peg.rs:1396:13 [INFO] [stdout] | [INFO] [stdout] 1396 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/peg.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/peg.rs:670:13 [INFO] [stdout] | [INFO] [stdout] 670 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/peg.rs:714:13 [INFO] [stdout] | [INFO] [stdout] 714 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/peg.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/peg.rs:1542:13 [INFO] [stdout] | [INFO] [stdout] 1542 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memo` [INFO] [stdout] --> src/utils.rs:144:5 [INFO] [stdout] | [INFO] [stdout] 144 | memo: &'a Memo, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_memo` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/peg.rs:1034:13 [INFO] [stdout] | [INFO] [stdout] 1034 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peg.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peg.rs:1396:9 [INFO] [stdout] | [INFO] [stdout] 1396 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peg.rs:1034:9 [INFO] [stdout] | [INFO] [stdout] 1034 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/peg.rs:1286:13 [INFO] [stdout] | [INFO] [stdout] 1286 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peg.rs:670:9 [INFO] [stdout] | [INFO] [stdout] 670 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peg.rs:1286:9 [INFO] [stdout] | [INFO] [stdout] 1286 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> src/peg.rs:1341:13 [INFO] [stdout] | [INFO] [stdout] 1341 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peg.rs:205:9 [INFO] [stdout] | [INFO] [stdout] 205 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peg.rs:1341:9 [INFO] [stdout] | [INFO] [stdout] 1341 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peg.rs:714:9 [INFO] [stdout] | [INFO] [stdout] 714 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peg.rs:1542:9 [INFO] [stdout] | [INFO] [stdout] 1542 | let mut stack: Vec>> = Vec::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s [INFO] running `Command { std: "docker" "inspect" "522cf958ec1f27f2f949fa9369c9b51e83bff015864371dec15a34cf9e0ff901", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "522cf958ec1f27f2f949fa9369c9b51e83bff015864371dec15a34cf9e0ff901", kill_on_drop: false }` [INFO] [stdout] 522cf958ec1f27f2f949fa9369c9b51e83bff015864371dec15a34cf9e0ff901