[INFO] fetching crate ebnf 0.1.2...
[INFO] testing ebnf-0.1.2 against beta-2022-04-10 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 beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d00e69f1404ec3138c932a5afa9ddc2e7b0a956ca7215d27f0f8c5c316add9d
[INFO] running `Command { std: "docker" "start" "-a" "4d00e69f1404ec3138c932a5afa9ddc2e7b0a956ca7215d27f0f8c5c316add9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d00e69f1404ec3138c932a5afa9ddc2e7b0a956ca7215d27f0f8c5c316add9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d00e69f1404ec3138c932a5afa9ddc2e7b0a956ca7215d27f0f8c5c316add9d", kill_on_drop: false }`
[INFO] [stdout] 4d00e69f1404ec3138c932a5afa9ddc2e7b0a956ca7215d27f0f8c5c316add9d
[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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3c87ffd442c7862ed963b9b0987ddd40072a30ebf3b7c0b40db4fe9d2299585
[INFO] running `Command { std: "docker" "start" "-a" "d3c87ffd442c7862ed963b9b0987ddd40072a30ebf3b7c0b40db4fe9d2299585", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 4.43s
[INFO] running `Command { std: "docker" "inspect" "d3c87ffd442c7862ed963b9b0987ddd40072a30ebf3b7c0b40db4fe9d2299585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c87ffd442c7862ed963b9b0987ddd40072a30ebf3b7c0b40db4fe9d2299585", kill_on_drop: false }`
[INFO] [stdout] d3c87ffd442c7862ed963b9b0987ddd40072a30ebf3b7c0b40db4fe9d2299585
[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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93ade823d3789bfc42b66eb3d5bcbc7cf60142ae8adc53be11b95aa9f27105d6
[INFO] running `Command { std: "docker" "start" "-a" "93ade823d3789bfc42b66eb3d5bcbc7cf60142ae8adc53be11b95aa9f27105d6", 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 0.57s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/ebnf-3ef4e4aef5d3e75e)
[INFO] running `Command { std: "docker" "inspect" "93ade823d3789bfc42b66eb3d5bcbc7cf60142ae8adc53be11b95aa9f27105d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ade823d3789bfc42b66eb3d5bcbc7cf60142ae8adc53be11b95aa9f27105d6", kill_on_drop: false }`
[INFO] [stdout] 93ade823d3789bfc42b66eb3d5bcbc7cf60142ae8adc53be11b95aa9f27105d6
[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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eaeb5f9e9fe7b4f20cb7608d10bc2458ca7b9fbcc8a0cf4d3c189891bc10022a
[INFO] running `Command { std: "docker" "start" "-a" "eaeb5f9e9fe7b4f20cb7608d10bc2458ca7b9fbcc8a0cf4d3c189891bc10022a", 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 src/lib.rs (/opt/rustwide/target/debug/deps/ebnf-3ef4e4aef5d3e75e)
[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 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eaeb5f9e9fe7b4f20cb7608d10bc2458ca7b9fbcc8a0cf4d3c189891bc10022a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaeb5f9e9fe7b4f20cb7608d10bc2458ca7b9fbcc8a0cf4d3c189891bc10022a", kill_on_drop: false }`
[INFO] [stdout] eaeb5f9e9fe7b4f20cb7608d10bc2458ca7b9fbcc8a0cf4d3c189891bc10022a