[INFO] fetching crate pclass-parser 0.1.0...
[INFO] testing pclass-parser-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate pclass-parser 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate pclass-parser 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-14/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f3770c95cd4f3dc4b288d933f1cdb6194c5a41e3b8989acd4e8c74ac94d91a3
[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" "2f3770c95cd4f3dc4b288d933f1cdb6194c5a41e3b8989acd4e8c74ac94d91a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f3770c95cd4f3dc4b288d933f1cdb6194c5a41e3b8989acd4e8c74ac94d91a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f3770c95cd4f3dc4b288d933f1cdb6194c5a41e3b8989acd4e8c74ac94d91a3", kill_on_drop: false }`
[INFO] [stdout] 2f3770c95cd4f3dc4b288d933f1cdb6194c5a41e3b8989acd4e8c74ac94d91a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08d594d9fa32d3ccd62da5d81fd96135685dd3226fa10ff03743116ba6c7434b
[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" "08d594d9fa32d3ccd62da5d81fd96135685dd3226fa10ff03743116ba6c7434b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[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 14.13s
[INFO] running `Command { std: "docker" "inspect" "08d594d9fa32d3ccd62da5d81fd96135685dd3226fa10ff03743116ba6c7434b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d594d9fa32d3ccd62da5d81fd96135685dd3226fa10ff03743116ba6c7434b", kill_on_drop: false }`
[INFO] [stdout] 08d594d9fa32d3ccd62da5d81fd96135685dd3226fa10ff03743116ba6c7434b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c65b6ffd87d29a56a25f3907e2ba3a295d6f631024163fa8a11ea42f12bae704
[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" "c65b6ffd87d29a56a25f3907e2ba3a295d6f631024163fa8a11ea42f12bae704", 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 3.08s
[INFO] running `Command { std: "docker" "inspect" "c65b6ffd87d29a56a25f3907e2ba3a295d6f631024163fa8a11ea42f12bae704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c65b6ffd87d29a56a25f3907e2ba3a295d6f631024163fa8a11ea42f12bae704", kill_on_drop: false }`
[INFO] [stdout] c65b6ffd87d29a56a25f3907e2ba3a295d6f631024163fa8a11ea42f12bae704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 076d6fbfdb2c3dc178206be75a6daeaa082e69d15bf5b9ab5aaaa723ea67af16
[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" "076d6fbfdb2c3dc178206be75a6daeaa082e69d15bf5b9ab5aaaa723ea67af16", kill_on_drop: false }`
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stdout] 
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stdout] running 15 tests
[INFO] [stderr]   |
[INFO] [stdout] test class_parser::signature::tests::field ... ok
[INFO] [stderr] 4 |     parse_class(b"");
[INFO] [stdout] test class_parser::signature::tests::generic2 ... ok
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] test class_parser::signature::tests::method_array_object ... ok
[INFO] [stderr]   |
[INFO] [stdout] test class_parser::signature::tests::method_arg_generic ... ok
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] test class_parser::signature::tests::t_method_no_arg ... ok
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] test class_parser::tests::it_works ... ok
[INFO] [stderr] 
[INFO] [stdout] test class_parser::signature::tests::t_class_signature ... ok
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] test classfile::opcode::tests::t_opcode ... ok
[INFO] [stderr] 
[INFO] [stdout] test classfile::tests::it_works ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] test class_parser::signature::tests::generic1 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pclass_parser-a44a37665a2ed71d
[INFO] [stdout] test class_parser::signature::tests::method_primitive ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pclass_parser-dbfc75154ad36f25
[INFO] [stdout] test class_parser::signature::tests::method_mix ... ok
[INFO] [stderr]    Doc-tests pclass-parser
[INFO] [stdout] test class_parser::signature::tests::generic_nest1 ... ok
[INFO] [stdout] test class_parser::signature::tests::method_return_generic ... ok
[INFO] [stdout] test class_parser::signature::tests::generic_method ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "076d6fbfdb2c3dc178206be75a6daeaa082e69d15bf5b9ab5aaaa723ea67af16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "076d6fbfdb2c3dc178206be75a6daeaa082e69d15bf5b9ab5aaaa723ea67af16", kill_on_drop: false }`
[INFO] [stdout] 076d6fbfdb2c3dc178206be75a6daeaa082e69d15bf5b9ab5aaaa723ea67af16