[INFO] fetching crate parce 0.0.1...
[INFO] testing parce-0.0.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate parce 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate parce 0.0.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parce 0.0.1
[INFO] finished tweaking crates.io crate parce 0.0.1
[INFO] tweaked toml for crates.io crate parce 0.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] c04fe3db3b74416d7ac3dfed129bdf001c62dfaffaaec7adf551ed5ad4741df6
[INFO] running `Command { std: "docker" "start" "-a" "c04fe3db3b74416d7ac3dfed129bdf001c62dfaffaaec7adf551ed5ad4741df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c04fe3db3b74416d7ac3dfed129bdf001c62dfaffaaec7adf551ed5ad4741df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04fe3db3b74416d7ac3dfed129bdf001c62dfaffaaec7adf551ed5ad4741df6", kill_on_drop: false }`
[INFO] [stdout] c04fe3db3b74416d7ac3dfed129bdf001c62dfaffaaec7adf551ed5ad4741df6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 285bec2f5760fa1ae84655a9713efb58b3056329b4ff80d0d17296ed3a882f19
[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" "285bec2f5760fa1ae84655a9713efb58b3056329b4ff80d0d17296ed3a882f19", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling check_keyword v0.1.1
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling parce_macros v0.0.1
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]    Compiling parce v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.24s
[INFO] running `Command { std: "docker" "inspect" "285bec2f5760fa1ae84655a9713efb58b3056329b4ff80d0d17296ed3a882f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "285bec2f5760fa1ae84655a9713efb58b3056329b4ff80d0d17296ed3a882f19", kill_on_drop: false }`
[INFO] [stdout] 285bec2f5760fa1ae84655a9713efb58b3056329b4ff80d0d17296ed3a882f19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17e7e9885a1b8c6fb1450cc621afd5b55cf6e567d20d5ea2dcdfae79f5d3b736
[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" "17e7e9885a1b8c6fb1450cc621afd5b55cf6e567d20d5ea2dcdfae79f5d3b736", kill_on_drop: false }`
[INFO] [stderr]    Compiling parce v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lexer.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     #[lexer(OperatorLexer)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the attribute macro `lexer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lexer.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     #[lexer(OperatorLexer)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the attribute macro `lexer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lexer.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     #[lexer(NestingLexer)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the attribute macro `lexer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lexer.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     #[lexer(DotLexer)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the attribute macro `lexer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lexer.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 |     #[lexer(ClassLexer)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the attribute macro `lexer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lexer.rs:223:5
[INFO] [stdout]     |
[INFO] [stdout] 223 |     #[lexer(GreedyLexer)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the attribute macro `lexer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lexer.rs:241:5
[INFO] [stdout]     |
[INFO] [stdout] 241 |     #[lexer(OrLexer)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the attribute macro `lexer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.94s
[INFO] running `Command { std: "docker" "inspect" "17e7e9885a1b8c6fb1450cc621afd5b55cf6e567d20d5ea2dcdfae79f5d3b736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e7e9885a1b8c6fb1450cc621afd5b55cf6e567d20d5ea2dcdfae79f5d3b736", kill_on_drop: false }`
[INFO] [stdout] 17e7e9885a1b8c6fb1450cc621afd5b55cf6e567d20d5ea2dcdfae79f5d3b736
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", 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] 9870bd20d96b61ed2e5bbdf801dda47672982cc7cb670d00f1a78ff7b508308f
[INFO] running `Command { std: "docker" "start" "-a" "9870bd20d96b61ed2e5bbdf801dda47672982cc7cb670d00f1a78ff7b508308f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stdout] running 30 tests
[INFO] [stderr]    --> src/lexer.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     #[lexer(OperatorLexer)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this warning originates in the attribute macro `lexer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/lexer.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     #[lexer(OperatorLexer)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the attribute macro `lexer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/lexer.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     #[lexer(NestingLexer)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the attribute macro `lexer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/lexer.rs:182:5
[INFO] [stderr]     |
[INFO] [stderr] 182 |     #[lexer(DotLexer)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the attribute macro `lexer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/lexer.rs:199:5
[INFO] [stderr]     |
[INFO] [stderr] 199 |     #[lexer(ClassLexer)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the attribute macro `lexer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/lexer.rs:223:5
[INFO] [stderr]     |
[INFO] [stderr] 223 |     #[lexer(GreedyLexer)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the attribute macro `lexer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/lexer.rs:241:5
[INFO] [stderr]     |
[INFO] [stderr] 241 |     #[lexer(OrLexer)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the attribute macro `lexer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `parce` (lib test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/parce-4d30681ddd03280a)
[INFO] [stdout] test lexer::tests::basic_fail ... ok
[INFO] [stdout] test lexer::tests::change_mode ... ok
[INFO] [stdout] test lexer::tests::basic_pass ... ok
[INFO] [stdout] test lexer::tests::empty ... ok
[INFO] [stdout] test lexer::tests::nest_and_sequence ... ok
[INFO] [stdout] test lexer::tests::fragment ... ok
[INFO] [stdout] test lexer::tests::range ... ok
[INFO] [stdout] test lexer::tests::plus ... ok
[INFO] [stdout] test lexer::tests::or ... ok
[INFO] [stdout] test lexer::tests::class ... ok
[INFO] [stdout] test lexer::tests::priority_and_dot ... ok
[INFO] [stdout] test lexer::tests::question ... ok
[INFO] [stdout] test parser::tests::plus ... ok
[INFO] [stdout] test lexer::tests::star ... ok
[INFO] [stdout] test parser::tests::basic ... ok
[INFO] [stdout] test parser::tests::end_behavior ... ok
[INFO] [stdout] test parser::tests::other_rule ... ok
[INFO] [stdout] test parser::tests::dot_and_greedy ... ok
[INFO] [stdout] test lexer::tests::greedy ... ok
[INFO] [stdout] test parser::tests::bare_unnamed_grammar ... ok
[INFO] [stdout] test parser::tests::or ... ok
[INFO] [stdout] test parser::tests::and_nesting ... ok
[INFO] [stdout] test lexer::tests::skip ... ok
[INFO] [stdout] test parser::tests::assigned_grammar ... ok
[INFO] [stdout] test parser::tests::star ... ok
[INFO] [stdout] test parser::tests::or_nesting ... ok
[INFO] [stdout] test parser::tests::range ... ok
[INFO] [stdout] test parser::tests::bare_named_grammar ... ok
[INFO] [stdout] test parser::tests::star_nesting ... ok
[INFO] [stdout] test parser::tests::question ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests parce
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/prelude.rs - prelude::lexer (line 101) ... ok
[INFO] [stdout] test src/prelude.rs - prelude::lexer (line 25) ... ok
[INFO] [stdout] test src/prelude.rs - prelude::lexer (line 86) ... ok
[INFO] [stdout] test src/prelude.rs - prelude::lexer (line 67) ... ok
[INFO] [stdout] test src/prelude.rs - prelude::lexer (line 134) ... ok
[INFO] [stdout] test src/parser/mod.rs - parser::Parseable::last_commands (line 134) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/parser/mod.rs - parser::Parseable::commands (line 93) ... ok
[INFO] [stdout] test src/prelude.rs - prelude::lexer (line 181) ... ok
[INFO] [stdout] test src/parser/mod.rs - parser::Parse (line 29) ... ok
[INFO] [stdout] test src/prelude.rs - prelude::lexer (line 152) ... ok
[INFO] [stdout] test src/prelude.rs - prelude::lexer (line 119) ... ok
[INFO] [stdout] test src/prelude.rs - prelude::lexer (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9870bd20d96b61ed2e5bbdf801dda47672982cc7cb670d00f1a78ff7b508308f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9870bd20d96b61ed2e5bbdf801dda47672982cc7cb670d00f1a78ff7b508308f", kill_on_drop: false }`
[INFO] [stdout] 9870bd20d96b61ed2e5bbdf801dda47672982cc7cb670d00f1a78ff7b508308f