[INFO] fetching crate muncher 0.7.0... [INFO] testing muncher-0.7.0 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate muncher 0.7.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate muncher 0.7.0 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate muncher 0.7.0 [INFO] finished tweaking crates.io crate muncher 0.7.0 [INFO] tweaked toml for crates.io crate muncher 0.7.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32c492f577f0e821aa5f50cbbb4f183a815b1401733fe5d820f31f8bcd125cf3 [INFO] running `Command { std: "docker" "start" "-a" "32c492f577f0e821aa5f50cbbb4f183a815b1401733fe5d820f31f8bcd125cf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32c492f577f0e821aa5f50cbbb4f183a815b1401733fe5d820f31f8bcd125cf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32c492f577f0e821aa5f50cbbb4f183a815b1401733fe5d820f31f8bcd125cf3", kill_on_drop: false }` [INFO] [stdout] 32c492f577f0e821aa5f50cbbb4f183a815b1401733fe5d820f31f8bcd125cf3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 334baed9008f9e90855632561cf6348bac614ed72aaff816dcf672be8ab77fc6 [INFO] running `Command { std: "docker" "start" "-a" "334baed9008f9e90855632561cf6348bac614ed72aaff816dcf672be8ab77fc6", kill_on_drop: false }` [INFO] [stderr] Compiling muncher v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `input` [INFO] [stdout] --> src/muncher.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | input: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Stack` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/muncher.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pos` [INFO] [stdout] --> src/muncher.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | pos: (usize, usize), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Stack` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/muncher.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "334baed9008f9e90855632561cf6348bac614ed72aaff816dcf672be8ab77fc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "334baed9008f9e90855632561cf6348bac614ed72aaff816dcf672be8ab77fc6", kill_on_drop: false }` [INFO] [stdout] 334baed9008f9e90855632561cf6348bac614ed72aaff816dcf672be8ab77fc6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da267383dca2997f30e0b621ef6b8b08fd2fcb3524e3f5fe53a5c3a7c2f7dc99 [INFO] running `Command { std: "docker" "start" "-a" "da267383dca2997f30e0b621ef6b8b08fd2fcb3524e3f5fe53a5c3a7c2f7dc99", kill_on_drop: false }` [INFO] [stdout] warning: field is never read: `input` [INFO] [stdout] --> src/muncher.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | input: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Stack` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/muncher.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling muncher v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `pos` [INFO] [stdout] --> src/muncher.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | pos: (usize, usize), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Stack` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/muncher.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `input` [INFO] [stdout] --> src/muncher.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | input: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Stack` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/muncher.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pos` [INFO] [stdout] --> src/muncher.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | pos: (usize, usize), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Stack` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/muncher.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.30s [INFO] running `Command { std: "docker" "inspect" "da267383dca2997f30e0b621ef6b8b08fd2fcb3524e3f5fe53a5c3a7c2f7dc99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da267383dca2997f30e0b621ef6b8b08fd2fcb3524e3f5fe53a5c3a7c2f7dc99", kill_on_drop: false }` [INFO] [stdout] da267383dca2997f30e0b621ef6b8b08fd2fcb3524e3f5fe53a5c3a7c2f7dc99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 52cd2e9b764e48f67bd49a70c9d58e54806f9acba45aa1a02e9ccdc930ac51ad [INFO] running `Command { std: "docker" "start" "-a" "52cd2e9b764e48f67bd49a70c9d58e54806f9acba45aa1a02e9ccdc930ac51ad", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `input` [INFO] [stderr] --> src/muncher.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | input: &'a str, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Stack` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/muncher.rs:14:10 [INFO] [stderr] | [INFO] [stderr] 14 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `pos` [INFO] [stderr] --> src/muncher.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | pos: (usize, usize), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Stack` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/muncher.rs:14:10 [INFO] [stderr] | [INFO] [stderr] 14 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `muncher` (lib) generated 2 warnings [INFO] [stderr] warning: `muncher` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/muncher-5c7aee66c31f5204) [INFO] [stdout] [INFO] [stdout] running 18 tests [INFO] [stderr] Doc-tests muncher [INFO] [stdout] test muncher::tests::advance_muncher ... ok [INFO] [stdout] test muncher::tests::eat_eol ... ok [INFO] [stdout] test muncher::tests::peek_count ... ok [INFO] [stdout] test muncher::tests::fork ... ok [INFO] [stdout] test muncher::tests::fork_codepoints ... ok [INFO] [stdout] test muncher::tests::end_eat_while_muncher ... ok [INFO] [stdout] test muncher::tests::peek_muncher ... ok [INFO] [stdout] test muncher::tests::position ... ok [INFO] [stdout] test muncher::tests::seek_muncher ... ok [INFO] [stdout] test muncher::tests::peek_count_codepoints ... ok [INFO] [stdout] test muncher::tests::position_codepoints ... ok [INFO] [stdout] test muncher::tests::stack_code ... ok [INFO] [stdout] test muncher::tests::peek_range_of ... ok [INFO] [stdout] test muncher::tests::bounds_error_this_panics_if_bounds_wrong ... ok [INFO] [stdout] test muncher::tests::seek_muncher_codepoints ... ok [INFO] [stdout] test muncher::tests::stack_fail ... ok [INFO] [stdout] test muncher::tests::stack_math ... ok [INFO] [stdout] test muncher::tests::test_stack_code ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 19 tests [INFO] [stdout] test src/muncher.rs - muncher::Muncher::eat (line 390) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::brace_stack (line 193) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::eat_range_of (line 551) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::new (line 153) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::seek (line 368) ... ok [INFO] [stdout] test src/lib.rs - (line 36) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Stack::eat (line 41) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::cursor_position (line 228) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::eat_until (line 489) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Stack::new (line 27) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::fork (line 172) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Stack::is_matched (line 91) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::peek_until_count (line 311) ... ok [INFO] [stdout] test src/lib.rs - (line 50) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::peek_range_of (line 343) ... ok [INFO] [stdout] test src/lib.rs - (line 7) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::eat_until_count (line 520) ... ok [INFO] [stdout] test src/lib.rs - (line 18) ... ok [INFO] [stdout] test src/muncher.rs - muncher::Muncher::peek_until (line 280) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "52cd2e9b764e48f67bd49a70c9d58e54806f9acba45aa1a02e9ccdc930ac51ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52cd2e9b764e48f67bd49a70c9d58e54806f9acba45aa1a02e9ccdc930ac51ad", kill_on_drop: false }` [INFO] [stdout] 52cd2e9b764e48f67bd49a70c9d58e54806f9acba45aa1a02e9ccdc930ac51ad