[INFO] fetching crate pclass-parser 0.1.0...
[INFO] testing pclass-parser-0.1.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate pclass-parser 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate pclass-parser 0.1.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pclass-parser 0.1.0
[INFO] finished tweaking crates.io crate pclass-parser 0.1.0
[INFO] tweaked toml for crates.io crate pclass-parser 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate pclass-parser 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da4d97eda226cf05d4c66eede53eccaefa88ba4e47d88c777fb8328ff01519a0
[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" "da4d97eda226cf05d4c66eede53eccaefa88ba4e47d88c777fb8328ff01519a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da4d97eda226cf05d4c66eede53eccaefa88ba4e47d88c777fb8328ff01519a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da4d97eda226cf05d4c66eede53eccaefa88ba4e47d88c777fb8328ff01519a0", kill_on_drop: false }`
[INFO] [stdout] da4d97eda226cf05d4c66eede53eccaefa88ba4e47d88c777fb8328ff01519a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--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] 90192e878ac8a4466bcbd6ebd90fd288ba0a8c2e4891aa1839d29eaf2a83b16e
[INFO] running `Command { std: "docker" "start" "-a" "90192e878ac8a4466bcbd6ebd90fd288ba0a8c2e4891aa1839d29eaf2a83b16e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling pclass-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     parse_class(b"");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.36s
[INFO] running `Command { std: "docker" "inspect" "90192e878ac8a4466bcbd6ebd90fd288ba0a8c2e4891aa1839d29eaf2a83b16e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90192e878ac8a4466bcbd6ebd90fd288ba0a8c2e4891aa1839d29eaf2a83b16e", kill_on_drop: false }`
[INFO] [stdout] 90192e878ac8a4466bcbd6ebd90fd288ba0a8c2e4891aa1839d29eaf2a83b16e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88ad7e57ab1f810438670617363554f62342365644f821233958f59fbf7a02e5
[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" "88ad7e57ab1f810438670617363554f62342365644f821233958f59fbf7a02e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling pclass-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     parse_class(b"");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `Command { std: "docker" "inspect" "88ad7e57ab1f810438670617363554f62342365644f821233958f59fbf7a02e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ad7e57ab1f810438670617363554f62342365644f821233958f59fbf7a02e5", kill_on_drop: false }`
[INFO] [stdout] 88ad7e57ab1f810438670617363554f62342365644f821233958f59fbf7a02e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c85aec3334d6548da765603e54eb8d6f365a3437ee1e71de6e72ea2ca7848cb
[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" "6c85aec3334d6548da765603e54eb8d6f365a3437ee1e71de6e72ea2ca7848cb", kill_on_drop: false }`
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     parse_class(b"");
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pclass_parser-a44fc842b37ea7d1
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test class_parser::signature::tests::field ... ok
[INFO] [stdout] test class_parser::signature::tests::generic1 ... ok
[INFO] [stdout] test class_parser::signature::tests::generic2 ... ok
[INFO] [stdout] test class_parser::signature::tests::generic_method ... ok
[INFO] [stdout] test class_parser::signature::tests::method_array_object ... ok
[INFO] [stdout] test class_parser::signature::tests::method_arg_generic ... ok
[INFO] [stdout] test class_parser::signature::tests::method_primitive ... ok
[INFO] [stdout] test class_parser::signature::tests::t_method_no_arg ... ok
[INFO] [stdout] test class_parser::signature::tests::method_mix ... ok
[INFO] [stdout] test class_parser::tests::it_works ... ok
[INFO] [stdout] test class_parser::signature::tests::t_class_signature ... ok
[INFO] [stdout] test classfile::tests::it_works ... ok
[INFO] [stdout] test class_parser::signature::tests::method_return_generic ... ok
[INFO] [stdout] test classfile::opcode::tests::t_opcode ... ok
[INFO] [stdout] test class_parser::signature::tests::generic_nest1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pclass_parser-b07ecda4a9bce3b9
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pclass-parser
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c85aec3334d6548da765603e54eb8d6f365a3437ee1e71de6e72ea2ca7848cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c85aec3334d6548da765603e54eb8d6f365a3437ee1e71de6e72ea2ca7848cb", kill_on_drop: false }`
[INFO] [stdout] 6c85aec3334d6548da765603e54eb8d6f365a3437ee1e71de6e72ea2ca7848cb