[INFO] fetching crate earlgrey 0.3.0...
[INFO] testing earlgrey-0.3.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate earlgrey 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate earlgrey 0.3.0 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 earlgrey 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate earlgrey 0.3.0
[INFO] tweaked toml for crates.io crate earlgrey 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate earlgrey 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lexers v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 057b8a5c2f2d32c6358c8bba72f2b18590cd89ea98fcd73363093ae3aa0fc974
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "057b8a5c2f2d32c6358c8bba72f2b18590cd89ea98fcd73363093ae3aa0fc974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "057b8a5c2f2d32c6358c8bba72f2b18590cd89ea98fcd73363093ae3aa0fc974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "057b8a5c2f2d32c6358c8bba72f2b18590cd89ea98fcd73363093ae3aa0fc974", kill_on_drop: false }`
[INFO] [stdout] 057b8a5c2f2d32c6358c8bba72f2b18590cd89ea98fcd73363093ae3aa0fc974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 02ddd07038cd5e35a985f5a2d63fc53d44dc55cbe852426bc066c033fe8eb628
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "02ddd07038cd5e35a985f5a2d63fc53d44dc55cbe852426bc066c033fe8eb628", kill_on_drop: false }`
[INFO] [stderr]    Compiling earlgrey v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "02ddd07038cd5e35a985f5a2d63fc53d44dc55cbe852426bc066c033fe8eb628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ddd07038cd5e35a985f5a2d63fc53d44dc55cbe852426bc066c033fe8eb628", kill_on_drop: false }`
[INFO] [stdout] 02ddd07038cd5e35a985f5a2d63fc53d44dc55cbe852426bc066c033fe8eb628
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e10eac3557f11ff3629d1e8fac589831bc21fcc9f05aeb5509e85bbc0a7e688c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e10eac3557f11ff3629d1e8fac589831bc21fcc9f05aeb5509e85bbc0a7e688c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling lexers v0.1.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling rustyline v5.0.6
[INFO] [stderr]    Compiling earlgrey v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> examples/arith.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use std::str::FromStr;;
[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 17.12s
[INFO] running `Command { std: "docker" "inspect" "e10eac3557f11ff3629d1e8fac589831bc21fcc9f05aeb5509e85bbc0a7e688c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10eac3557f11ff3629d1e8fac589831bc21fcc9f05aeb5509e85bbc0a7e688c", kill_on_drop: false }`
[INFO] [stdout] e10eac3557f11ff3629d1e8fac589831bc21fcc9f05aeb5509e85bbc0a7e688c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 420f3816fe69b9a750d914bc7ef34a0bd8b4a1de983d16abbeccc9cef1a6a2ea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "420f3816fe69b9a750d914bc7ef34a0bd8b4a1de983d16abbeccc9cef1a6a2ea", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]  --> examples/arith.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 |     use std::str::FromStr;;
[INFO] [stderr]   |                           ^ help: remove this semicolon
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `earlgrey` (example "arith") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/earlgrey-38a379c3d4dfa1f3)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test grammar::tests::missing_symbol ... ok
[INFO] [stdout] test grammar::tests::symbol_eq ... ok
[INFO] [stdout] test grammar::tests::symbol_extract ... ok
[INFO] [stdout] test items::tests::item_complete ... ok
[INFO] [stdout] test items::tests::item_predict ... ok
[INFO] [stdout] test grammar::tests::symbol_terminal ... ok
[INFO] [stdout] test items::tests::item_merge_sources ... ok
[INFO] [stdout] test grammar::tests::dup_symbol ... ok
[INFO] [stdout] test grammar::tests::build_grammar ... ok
[INFO] [stdout] test grammar::tests::dup_rule ... ok
[INFO] [stdout] test items::tests::item_basics ... ok
[INFO] [stdout] test parser_test::earley_recognizer::right_recurse ... ok
[INFO] [stdout] test parser_test::earley_recognizer::partial_parse ... ok
[INFO] [stdout] test parser_test::left_recurse ... ok
[INFO] [stdout] test parser_test::grammar_ambiguous_epsilon ... ok
[INFO] [stdout] test parser_test::math::math_grammar_test ... ok
[INFO] [stdout] test items::tests::item_scan ... ok
[INFO] [stdout] test parser_test::right_recurse ... ok
[INFO] [stdout] test parser_test::grammar_ambiguous ... ok
[INFO] [stdout] test parser_test::earley_corner_case ... ok
[INFO] [stdout] test parser_test::earley_recognizer::bogus_empty ... ok
[INFO] [stdout] test parser_test::small_math::build_sexpr ... ok
[INFO] [stdout] test parser_test::small_math::build_ast ... ok
[INFO] [stdout] test parser_test::small_math::eval_actions ... ok
[INFO] [stdout] test parser_test::earley_recognizer::left_recurse ... ok
[INFO] [stdout] test parser_test::earley_recognizer::epsilon_variants ... ok
[INFO] [stdout] test parser_test::earley_recognizer::natural_lang ... ok
[INFO] [stdout] test parser_test::earley_recognizer::epsilon_balanced ... ok
[INFO] [stdout] test parser_test::math_ambiguous_catalan ... ok
[INFO] [stderr]    Doc-tests earlgrey
[INFO] [stdout] test parser_test::earley_recognizer::grammar_example ... ok
[INFO] [stdout] test items::tests::item_failed_merge - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[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" "420f3816fe69b9a750d914bc7ef34a0bd8b4a1de983d16abbeccc9cef1a6a2ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "420f3816fe69b9a750d914bc7ef34a0bd8b4a1de983d16abbeccc9cef1a6a2ea", kill_on_drop: false }`
[INFO] [stdout] 420f3816fe69b9a750d914bc7ef34a0bd8b4a1de983d16abbeccc9cef1a6a2ea