[INFO] fetching crate earlgrey 0.3.0...
[INFO] testing earlgrey-0.3.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate earlgrey 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate earlgrey 0.3.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2f542660cc791eb94cbe5499c18c9d42d6cf16f51152fa4831f9f235016b9323
[INFO] running `Command { std: "docker" "start" "-a" "2f542660cc791eb94cbe5499c18c9d42d6cf16f51152fa4831f9f235016b9323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f542660cc791eb94cbe5499c18c9d42d6cf16f51152fa4831f9f235016b9323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f542660cc791eb94cbe5499c18c9d42d6cf16f51152fa4831f9f235016b9323", kill_on_drop: false }`
[INFO] [stdout] 2f542660cc791eb94cbe5499c18c9d42d6cf16f51152fa4831f9f235016b9323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 625f2dc1214eadc3f5bf1f862dfb8435a9482add96cd43171cbaaa199312164a
[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" "625f2dc1214eadc3f5bf1f862dfb8435a9482add96cd43171cbaaa199312164a", kill_on_drop: false }`
[INFO] [stderr]    Compiling earlgrey v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "625f2dc1214eadc3f5bf1f862dfb8435a9482add96cd43171cbaaa199312164a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "625f2dc1214eadc3f5bf1f862dfb8435a9482add96cd43171cbaaa199312164a", kill_on_drop: false }`
[INFO] [stdout] 625f2dc1214eadc3f5bf1f862dfb8435a9482add96cd43171cbaaa199312164a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cd256d139f0c9b8da1e1d2006525274626a08e96247ef5be5ea8d75acecfac14
[INFO] running `Command { std: "docker" "start" "-a" "cd256d139f0c9b8da1e1d2006525274626a08e96247ef5be5ea8d75acecfac14", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling lexers v0.1.2
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling dirs v2.0.2
[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 9.18s
[INFO] running `Command { std: "docker" "inspect" "cd256d139f0c9b8da1e1d2006525274626a08e96247ef5be5ea8d75acecfac14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd256d139f0c9b8da1e1d2006525274626a08e96247ef5be5ea8d75acecfac14", kill_on_drop: false }`
[INFO] [stdout] cd256d139f0c9b8da1e1d2006525274626a08e96247ef5be5ea8d75acecfac14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 090bfdb4e7022819f10af1f4ae0f8ea827464fc8f40b2868a6152aaa6a3e5ab7
[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" "090bfdb4e7022819f10af1f4ae0f8ea827464fc8f40b2868a6152aaa6a3e5ab7", 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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 31 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/earlgrey-c816734e958df0fb)
[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 grammar::tests::symbol_extract ... ok
[INFO] [stdout] test grammar::tests::symbol_terminal ... ok
[INFO] [stdout] test grammar::tests::symbol_eq ... ok
[INFO] [stdout] test items::tests::item_basics ... ok
[INFO] [stdout] test items::tests::item_complete ... ok
[INFO] [stdout] test items::tests::item_predict ... ok
[INFO] [stdout] test grammar::tests::missing_symbol ... ok
[INFO] [stdout] test parser_test::earley_recognizer::bogus_empty ... ok
[INFO] [stdout] test parser_test::earley_recognizer::epsilon_variants ... ok
[INFO] [stdout] test parser_test::earley_recognizer::partial_parse ... ok
[INFO] [stdout] test parser_test::earley_recognizer::left_recurse ... ok
[INFO] [stdout] test parser_test::right_recurse ... ok
[INFO] [stdout] test parser_test::earley_recognizer::right_recurse ... ok
[INFO] [stdout] test parser_test::earley_recognizer::natural_lang ... ok
[INFO] [stdout] test items::tests::item_scan ... ok
[INFO] [stdout] test parser_test::earley_corner_case ... ok
[INFO] [stdout] test items::tests::item_merge_sources ... ok
[INFO] [stdout] test parser_test::grammar_ambiguous ... ok
[INFO] [stdout] test parser_test::small_math::build_ast ... ok
[INFO] [stdout] test parser_test::grammar_ambiguous_epsilon ... ok
[INFO] [stdout] test parser_test::left_recurse ... ok
[INFO] [stdout] test parser_test::earley_recognizer::epsilon_balanced ... ok
[INFO] [stdout] test parser_test::small_math::build_sexpr ... ok
[INFO] [stdout] test parser_test::small_math::eval_actions ... ok
[INFO] [stdout] test parser_test::math::math_grammar_test ... ok
[INFO] [stdout] test items::tests::item_failed_merge - should panic ... ok
[INFO] [stdout] test parser_test::math_ambiguous_catalan ... ok
[INFO] [stdout] test parser_test::earley_recognizer::grammar_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests earlgrey
[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" "090bfdb4e7022819f10af1f4ae0f8ea827464fc8f40b2868a6152aaa6a3e5ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "090bfdb4e7022819f10af1f4ae0f8ea827464fc8f40b2868a6152aaa6a3e5ab7", kill_on_drop: false }`
[INFO] [stdout] 090bfdb4e7022819f10af1f4ae0f8ea827464fc8f40b2868a6152aaa6a3e5ab7