[INFO] fetching crate ebnf 0.1.2...
[INFO] testing ebnf-0.1.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate ebnf 0.1.2 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate ebnf 0.1.2 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ebnf 0.1.2
[INFO] finished tweaking crates.io crate ebnf 0.1.2
[INFO] tweaked toml for crates.io crate ebnf 0.1.2 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-width v0.1.6
[INFO] [stderr]   Downloaded html-escape v0.2.11
[INFO] [stderr]   Downloaded parse-hyperlinks v0.23.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 279adfd4e70ecad53bebd848666349b75da49df6a478da391491e4fcda14681e
[INFO] running `Command { std: "docker" "start" "-a" "279adfd4e70ecad53bebd848666349b75da49df6a478da391491e4fcda14681e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "279adfd4e70ecad53bebd848666349b75da49df6a478da391491e4fcda14681e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279adfd4e70ecad53bebd848666349b75da49df6a478da391491e4fcda14681e", kill_on_drop: false }`
[INFO] [stdout] 279adfd4e70ecad53bebd848666349b75da49df6a478da391491e4fcda14681e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a906770c0214d8270a8923a9abb0a8213a82dc888d0dbd3a70b1c170c15550a
[INFO] running `Command { std: "docker" "start" "-a" "0a906770c0214d8270a8923a9abb0a8213a82dc888d0dbd3a70b1c170c15550a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling utf8-width v0.1.6
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling html-escape v0.2.11
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling parse-hyperlinks v0.23.3
[INFO] [stderr]    Compiling ebnf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Grammar`
[INFO] [stdout]   --> src/parser.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Expression, Grammar, Node,
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/parser.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Ok(((s, regex_ext_kind))) => {
[INFO] [stdout]    |            ^                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 88 -         Ok(((s, regex_ext_kind))) => {
[INFO] [stdout] 88 +         Ok((s, regex_ext_kind)) => {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `Command { std: "docker" "inspect" "0a906770c0214d8270a8923a9abb0a8213a82dc888d0dbd3a70b1c170c15550a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a906770c0214d8270a8923a9abb0a8213a82dc888d0dbd3a70b1c170c15550a", kill_on_drop: false }`
[INFO] [stdout] 0a906770c0214d8270a8923a9abb0a8213a82dc888d0dbd3a70b1c170c15550a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 081cdad1d1af5032b696a8e2c5323fcdd3275c91e4c4f34561b83fb0c497091b
[INFO] running `Command { std: "docker" "start" "-a" "081cdad1d1af5032b696a8e2c5323fcdd3275c91e4c4f34561b83fb0c497091b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ebnf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Grammar`
[INFO] [stdout]   --> src/parser.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Expression, Grammar, Node,
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/parser.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Ok(((s, regex_ext_kind))) => {
[INFO] [stdout]    |            ^                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 88 -         Ok(((s, regex_ext_kind))) => {
[INFO] [stdout] 88 +         Ok((s, regex_ext_kind)) => {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Grammar`
[INFO] [stdout]   --> src/parser.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Expression, Grammar, Node,
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/parser.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Ok(((s, regex_ext_kind))) => {
[INFO] [stdout]    |            ^                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 88 -         Ok(((s, regex_ext_kind))) => {
[INFO] [stdout] 88 +         Ok((s, regex_ext_kind)) => {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/parser.rs:221:14
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let (input, vec) = parse_expressions(src).unwrap();
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "081cdad1d1af5032b696a8e2c5323fcdd3275c91e4c4f34561b83fb0c497091b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "081cdad1d1af5032b696a8e2c5323fcdd3275c91e4c4f34561b83fb0c497091b", kill_on_drop: false }`
[INFO] [stdout] 081cdad1d1af5032b696a8e2c5323fcdd3275c91e4c4f34561b83fb0c497091b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77a1f411fb82e5987418e867f799ddda9c4d1db9145b09a2334f32e56b50ba36
[INFO] running `Command { std: "docker" "start" "-a" "77a1f411fb82e5987418e867f799ddda9c4d1db9145b09a2334f32e56b50ba36", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Grammar`
[INFO] [stderr]   --> src/parser.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Expression, Grammar, Node,
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> src/parser.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 |         Ok(((s, regex_ext_kind))) => {
[INFO] [stderr]    |            ^                   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 88 -         Ok(((s, regex_ext_kind))) => {
[INFO] [stderr] 88 +         Ok((s, regex_ext_kind)) => {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/parser.rs:221:14
[INFO] [stderr]     |
[INFO] [stderr] 221 |         let (input, vec) = parse_expressions(src).unwrap();
[INFO] [stderr]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ebnf` (lib) generated 2 warnings
[INFO] [stderr] warning: `ebnf` (lib test) generated 3 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ebnf-a27345d3530bc91a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parser::test::test_parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ebnf
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> /opt/rustwide/workdir/src/parser.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 |         Ok(((s, regex_ext_kind))) => {
[INFO] [stderr]    |            ^                   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 88 -         Ok(((s, regex_ext_kind))) => {
[INFO] [stderr] 88 +         Ok((s, regex_ext_kind)) => {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "77a1f411fb82e5987418e867f799ddda9c4d1db9145b09a2334f32e56b50ba36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a1f411fb82e5987418e867f799ddda9c4d1db9145b09a2334f32e56b50ba36", kill_on_drop: false }`
[INFO] [stdout] 77a1f411fb82e5987418e867f799ddda9c4d1db9145b09a2334f32e56b50ba36