[INFO] fetching crate yanp 0.1.1...
[INFO] testing yanp-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate yanp 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate yanp 0.1.1 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 yanp 0.1.1
[INFO] finished tweaking crates.io crate yanp 0.1.1
[INFO] tweaked toml for crates.io crate yanp 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate yanp 0.1.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] cc44a09dc2b905481deb07e615a024f940d14380ca4fb73114e61a083e2609cc
[INFO] running `Command { std: "docker" "start" "-a" "cc44a09dc2b905481deb07e615a024f940d14380ca4fb73114e61a083e2609cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc44a09dc2b905481deb07e615a024f940d14380ca4fb73114e61a083e2609cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc44a09dc2b905481deb07e615a024f940d14380ca4fb73114e61a083e2609cc", kill_on_drop: false }`
[INFO] [stdout] cc44a09dc2b905481deb07e615a024f940d14380ca4fb73114e61a083e2609cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55c4db10013d35ff1248d9db631acb6e6e641fe05731f33839936cacdc0b3b3f
[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" "55c4db10013d35ff1248d9db631acb6e6e641fe05731f33839936cacdc0b3b3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling nom v5.0.0
[INFO] [stderr]    Compiling yanp v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/parsers/gsa.rs:53:20
[INFO] [stdout]    |
[INFO] [stdout] 53 |         |sentence: (Option<u8>)| -> Result<Option<u8>, NmeaSentenceError> { Ok(sentence) }
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/parsers/hdt.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 |         | sentence: (Option<f32>) | -> Result<HdtData, NmeaSentenceError> {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/parsers/stn.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |         |sentence:(u8) | -> Result<StnData, NmeaSentenceError> {
[INFO] [stdout]    |                   ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.09s
[INFO] running `Command { std: "docker" "inspect" "55c4db10013d35ff1248d9db631acb6e6e641fe05731f33839936cacdc0b3b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c4db10013d35ff1248d9db631acb6e6e641fe05731f33839936cacdc0b3b3f", kill_on_drop: false }`
[INFO] [stdout] 55c4db10013d35ff1248d9db631acb6e6e641fe05731f33839936cacdc0b3b3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a81ca4009c7516dcd2b7a541770c5dfd7a144cbbde224547d2763363ad2b7b9
[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" "0a81ca4009c7516dcd2b7a541770c5dfd7a144cbbde224547d2763363ad2b7b9", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/parsers/gsa.rs:53:20
[INFO] [stdout]    |
[INFO] [stdout] 53 |         |sentence: (Option<u8>)| -> Result<Option<u8>, NmeaSentenceError> { Ok(sentence) }
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling yanp v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/parsers/hdt.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 |         | sentence: (Option<f32>) | -> Result<HdtData, NmeaSentenceError> {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/parsers/stn.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |         |sentence:(u8) | -> Result<StnData, NmeaSentenceError> {
[INFO] [stdout]    |                   ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/parsers/gsa.rs:53:20
[INFO] [stdout]    |
[INFO] [stdout] 53 |         |sentence: (Option<u8>)| -> Result<Option<u8>, NmeaSentenceError> { Ok(sentence) }
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/parsers/hdt.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 |         | sentence: (Option<f32>) | -> Result<HdtData, NmeaSentenceError> {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/parsers/stn.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |         |sentence:(u8) | -> Result<StnData, NmeaSentenceError> {
[INFO] [stdout]    |                   ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `Command { std: "docker" "inspect" "0a81ca4009c7516dcd2b7a541770c5dfd7a144cbbde224547d2763363ad2b7b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a81ca4009c7516dcd2b7a541770c5dfd7a144cbbde224547d2763363ad2b7b9", kill_on_drop: false }`
[INFO] [stdout] 0a81ca4009c7516dcd2b7a541770c5dfd7a144cbbde224547d2763363ad2b7b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5a186e5f32eacae6c709572fd66bb88314a722ebd31ddd04070edb9815e7034
[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" "f5a186e5f32eacae6c709572fd66bb88314a722ebd31ddd04070edb9815e7034", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/parsers/gsa.rs:53:20
[INFO] [stderr]    |
[INFO] [stderr] 53 |         |sentence: (Option<u8>)| -> Result<Option<u8>, NmeaSentenceError> { Ok(sentence) }
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/parsers/hdt.rs:12:21
[INFO] [stderr]    |
[INFO] [stderr] 12 |         | sentence: (Option<f32>) | -> Result<HdtData, NmeaSentenceError> {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/parsers/stn.rs:12:19
[INFO] [stderr]    |
[INFO] [stderr] 12 |         |sentence:(u8) | -> Result<StnData, NmeaSentenceError> {
[INFO] [stderr]    |                   ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/parsers/gsa.rs:53:20
[INFO] [stderr]    |
[INFO] [stderr] 53 |         |sentence: (Option<u8>)| -> Result<Option<u8>, NmeaSentenceError> { Ok(sentence) }
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/parsers/hdt.rs:12:21
[INFO] [stderr]    |
[INFO] [stderr] 12 |         | sentence: (Option<f32>) | -> Result<HdtData, NmeaSentenceError> {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/parsers/stn.rs:12:19
[INFO] [stderr]    |
[INFO] [stderr] 12 |         |sentence:(u8) | -> Result<StnData, NmeaSentenceError> {
[INFO] [stderr]    |                   ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yanp-719a9cabffca6a89
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests yanp
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/parsers/gsa.rs:53:20
[INFO] [stderr]    |
[INFO] [stderr] 53 |         |sentence: (Option<u8>)| -> Result<Option<u8>, NmeaSentenceError> { Ok(sentence) }
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_parens)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/parsers/hdt.rs:12:21
[INFO] [stderr]    |
[INFO] [stderr] 12 |         | sentence: (Option<f32>) | -> Result<HdtData, NmeaSentenceError> {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/parsers/stn.rs:12:19
[INFO] [stderr]    |
[INFO] [stderr] 12 |         |sentence:(u8) | -> Result<StnData, NmeaSentenceError> {
[INFO] [stderr]    |                   ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "f5a186e5f32eacae6c709572fd66bb88314a722ebd31ddd04070edb9815e7034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a186e5f32eacae6c709572fd66bb88314a722ebd31ddd04070edb9815e7034", kill_on_drop: false }`
[INFO] [stdout] f5a186e5f32eacae6c709572fd66bb88314a722ebd31ddd04070edb9815e7034