[INFO] fetching crate frithu 0.1.0...
[INFO] testing frithu-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate frithu 0.1.0 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate frithu 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate frithu 0.1.0
[INFO] finished tweaking crates.io crate frithu 0.1.0
[INFO] tweaked toml for crates.io crate frithu 0.1.0 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88f6125c6d6ec66ca40631090ee5c1baabc8b44c240ef4071f696a41d344c5f8
[INFO] running `Command { std: "docker" "start" "-a" "88f6125c6d6ec66ca40631090ee5c1baabc8b44c240ef4071f696a41d344c5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88f6125c6d6ec66ca40631090ee5c1baabc8b44c240ef4071f696a41d344c5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f6125c6d6ec66ca40631090ee5c1baabc8b44c240ef4071f696a41d344c5f8", kill_on_drop: false }`
[INFO] [stdout] 88f6125c6d6ec66ca40631090ee5c1baabc8b44c240ef4071f696a41d344c5f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bc11f49bb05deafaf5412b1103992756bcb98e7ab2b4357256f3ae2002ddedb
[INFO] running `Command { std: "docker" "start" "-a" "8bc11f49bb05deafaf5412b1103992756bcb98e7ab2b4357256f3ae2002ddedb", kill_on_drop: false }`
[INFO] [stderr]    Compiling frithu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "8bc11f49bb05deafaf5412b1103992756bcb98e7ab2b4357256f3ae2002ddedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc11f49bb05deafaf5412b1103992756bcb98e7ab2b4357256f3ae2002ddedb", kill_on_drop: false }`
[INFO] [stdout] 8bc11f49bb05deafaf5412b1103992756bcb98e7ab2b4357256f3ae2002ddedb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7715508b8a6107e5ade13196907c7553643b54676eabd4c924531269b8581c75
[INFO] running `Command { std: "docker" "start" "-a" "7715508b8a6107e5ade13196907c7553643b54676eabd4c924531269b8581c75", kill_on_drop: false }`
[INFO] [stderr]    Compiling frithu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser.rs:404:44
[INFO] [stdout]     |
[INFO] [stdout] 404 |         let mut trees = Default::default();;
[INFO] [stdout]     |                                            ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "7715508b8a6107e5ade13196907c7553643b54676eabd4c924531269b8581c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7715508b8a6107e5ade13196907c7553643b54676eabd4c924531269b8581c75", kill_on_drop: false }`
[INFO] [stdout] 7715508b8a6107e5ade13196907c7553643b54676eabd4c924531269b8581c75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 232265654c2724a6b5855c8e3de0874955e456b0f7e0f5dad882ccab7dd0100b
[INFO] running `Command { std: "docker" "start" "-a" "232265654c2724a6b5855c8e3de0874955e456b0f7e0f5dad882ccab7dd0100b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/parser.rs:404:44
[INFO] [stderr]     |
[INFO] [stderr] 404 |         let mut trees = Default::default();;
[INFO] [stderr]     |                                            ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `frithu` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/frithu-d37fbf122eb64f2c)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test grammar::test::nonterminal_symbols_must_have_rules ... ok
[INFO] [stdout] test grammar::test::get_info_for_unknown_symbol_returns_none ... ok
[INFO] [stdout] test grammar::test::symbol_nullable_iff_all_nullable_rule ... ok
[INFO] [stdout] test grammar::test::grammar_needs_start_symbol_defined ... ok
[INFO] [stdout] test grammar::test::symbol_with_empty_rule_is_nullable ... ok
[INFO] [stdout] test grammar::test::symbol_without_empty_rule_is_not_nullable ... ok
[INFO] [stdout] test parser::test::infinitely_ambiguous_grammar ... ok
[INFO] [stdout] test parser::test::ambiguous_grammar ... ok
[INFO] [stdout] test stringcache::test::interning ... ok
[INFO] [stdout] test parser::test::right_recursion_in_linear_space ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/empty_rules.rs (/opt/rustwide/target/debug/deps/empty_rules-0543211cbf04b204)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test complex_empty_string_recogniser ... 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]      Running tests/recogniser.rs (/opt/rustwide/target/debug/deps/recogniser-b2f3d24df930d30c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test reject_invalid_input ... ok
[INFO] [stdout] test reject_incomplete_input ... ok
[INFO] [stdout] test recognise_valid_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests frithu
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "232265654c2724a6b5855c8e3de0874955e456b0f7e0f5dad882ccab7dd0100b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "232265654c2724a6b5855c8e3de0874955e456b0f7e0f5dad882ccab7dd0100b", kill_on_drop: false }`
[INFO] [stdout] 232265654c2724a6b5855c8e3de0874955e456b0f7e0f5dad882ccab7dd0100b