[INFO] cloning repository https://github.com/phinanix/rust-beavers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phinanix/rust-beavers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphinanix%2Frust-beavers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphinanix%2Frust-beavers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7098ec78f898d07a0f2ed4f82826b97570edb209 [INFO] checking phinanix/rust-beavers against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphinanix%2Frust-beavers" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/phinanix/rust-beavers on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/phinanix/rust-beavers [INFO] finished tweaking git repo https://github.com/phinanix/rust-beavers [INFO] tweaked toml for git repo https://github.com/phinanix/rust-beavers written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/phinanix/rust-beavers 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded defaultmap v0.5.0 [INFO] [stderr] Downloaded errno v0.3.0 [INFO] [stderr] Downloaded tempfile v3.5.0 [INFO] [stderr] Downloaded libm v0.2.6 [INFO] [stderr] Downloaded proptest v1.1.0 [INFO] [stderr] Downloaded rustix v0.37.8 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c04e5b7887bcfc6abb9b2e35d5ad4a5217b1c8376933a92126048354f6205bfc [INFO] running `Command { std: "docker" "start" "-a" "c04e5b7887bcfc6abb9b2e35d5ad4a5217b1c8376933a92126048354f6205bfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c04e5b7887bcfc6abb9b2e35d5ad4a5217b1c8376933a92126048354f6205bfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c04e5b7887bcfc6abb9b2e35d5ad4a5217b1c8376933a92126048354f6205bfc", kill_on_drop: false }` [INFO] [stdout] c04e5b7887bcfc6abb9b2e35d5ad4a5217b1c8376933a92126048354f6205bfc [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8bf10458dec5f94b28d3014a334eb2151de3b89ee16e9afc136813c469f11bb1 [INFO] running `Command { std: "docker" "start" "-a" "8bf10458dec5f94b28d3014a334eb2151de3b89ee16e9afc136813c469f11bb1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.141 [INFO] [stderr] Compiling libm v0.2.6 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Compiling rustix v0.37.8 [INFO] [stderr] Checking linux-raw-sys v0.3.1 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking quick-error v2.0.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking defaultmap v0.5.0 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking num-integer v0.1.45 [INFO] [stderr] Checking num-complex v0.4.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking num-bigint v0.4.4 [INFO] [stderr] Checking num-iter v0.1.43 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-rational v0.4.1 [INFO] [stderr] Checking tempfile v3.5.0 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking proptest v1.1.0 [INFO] [stderr] Checking rust_bbs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `return_position_impl_trait_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(return_position_impl_trait_in_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `return_position_impl_trait_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(return_position_impl_trait_in_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `step` [INFO] [stdout] --> src/simulate.rs:48:31 [INFO] [stdout] | [INFO] [stdout] 48 | FellOffTape(state, dir, step) => return RFellOffTape(state, dir), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_step` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `step` [INFO] [stdout] --> src/simulate.rs:49:26 [INFO] [stdout] | [INFO] [stdout] 49 | Success(state, rs, step) => (state, HashMap::default(), Left(rs)), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_step` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pairs` [INFO] [stdout] --> src/simulate.rs:121:3 [INFO] [stdout] | [INFO] [stdout] 121 | pairs: &[((S, u32), (S, u32))], [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_pairs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mb_rule` [INFO] [stdout] --> src/simulate.rs:480:9 [INFO] [stdout] | [INFO] [stdout] 480 | let mb_rule = detect_rule2(&config_pairs); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mb_rule` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last_phase` [INFO] [stdout] --> src/main.rs:235:11 [INFO] [stdout] | [INFO] [stdout] 235 | let (_, last_phase, last_tape) = &hist[last_record.0]; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_phase` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `step` [INFO] [stdout] --> src/simulate.rs:48:31 [INFO] [stdout] | [INFO] [stdout] 48 | FellOffTape(state, dir, step) => return RFellOffTape(state, dir), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_step` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `step` [INFO] [stdout] --> src/simulate.rs:49:26 [INFO] [stdout] | [INFO] [stdout] 49 | Success(state, rs, step) => (state, HashMap::default(), Left(rs)), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_step` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pairs` [INFO] [stdout] --> src/simulate.rs:121:3 [INFO] [stdout] | [INFO] [stdout] 121 | pairs: &[((S, u32), (S, u32))], [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_pairs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mb_rule` [INFO] [stdout] --> src/simulate.rs:480:9 [INFO] [stdout] | [INFO] [stdout] 480 | let mb_rule = detect_rule2(&config_pairs); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mb_rule` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pairs` [INFO] [stdout] --> src/simulate.rs:788:9 [INFO] [stdout] | [INFO] [stdout] 788 | let pairs = [(3, 7), (3, 7)]; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_pairs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last_phase` [INFO] [stdout] --> src/main.rs:235:11 [INFO] [stdout] | [INFO] [stdout] 235 | let (_, last_phase, last_tape) = &hist[last_record.0]; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_phase` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.86s [INFO] running `Command { std: "docker" "inspect" "8bf10458dec5f94b28d3014a334eb2151de3b89ee16e9afc136813c469f11bb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bf10458dec5f94b28d3014a334eb2151de3b89ee16e9afc136813c469f11bb1", kill_on_drop: false }` [INFO] [stdout] 8bf10458dec5f94b28d3014a334eb2151de3b89ee16e9afc136813c469f11bb1