[INFO] fetching crate checked 0.5.0...
[INFO] testing checked-0.5.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate checked 0.5.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate checked 0.5.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate checked 0.5.0
[INFO] finished tweaking crates.io crate checked 0.5.0
[INFO] tweaked toml for crates.io crate checked 0.5.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa3127451ccd2487313dc6365d6b3a0d7f3664b9420e87c7906ef67c9fd56cf4
[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" "fa3127451ccd2487313dc6365d6b3a0d7f3664b9420e87c7906ef67c9fd56cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa3127451ccd2487313dc6365d6b3a0d7f3664b9420e87c7906ef67c9fd56cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa3127451ccd2487313dc6365d6b3a0d7f3664b9420e87c7906ef67c9fd56cf4", kill_on_drop: false }`
[INFO] [stdout] fa3127451ccd2487313dc6365d6b3a0d7f3664b9420e87c7906ef67c9fd56cf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb7d02b595f0ad4937bea9ee0826b7942754b3d1157ca88e8d058a2e03664586
[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" "eb7d02b595f0ad4937bea9ee0826b7942754b3d1157ca88e8d058a2e03664586", kill_on_drop: false }`
[INFO] [stderr]    Compiling checked v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "eb7d02b595f0ad4937bea9ee0826b7942754b3d1157ca88e8d058a2e03664586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb7d02b595f0ad4937bea9ee0826b7942754b3d1157ca88e8d058a2e03664586", kill_on_drop: false }`
[INFO] [stdout] eb7d02b595f0ad4937bea9ee0826b7942754b3d1157ca88e8d058a2e03664586
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a318f37fe96c90162de31c392aee3f0aed9ef28cf75999cad95c9a679cc362cb
[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" "a318f37fe96c90162de31c392aee3f0aed9ef28cf75999cad95c9a679cc362cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling checked v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tests.rs:100:24
[INFO] [stdout]     |
[INFO] [stdout] 100 | test_binop! (add3 i32: (-2_000_000_000) + (-2_000_000_000) == None);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tests.rs:100:43
[INFO] [stdout]     |
[INFO] [stdout] 100 | test_binop! (add3 i32: (-2_000_000_000) + (-2_000_000_000) == None);
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tests.rs:113:29
[INFO] [stdout]     |
[INFO] [stdout] 113 | test_unop! (neg2 i8: - 5 == (-5));
[INFO] [stdout]     |                             ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tests.rs:114:28
[INFO] [stdout]     |
[INFO] [stdout] 114 | test_unop! (not i8: ! 5 == (-6));
[INFO] [stdout]     |                            ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "a318f37fe96c90162de31c392aee3f0aed9ef28cf75999cad95c9a679cc362cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a318f37fe96c90162de31c392aee3f0aed9ef28cf75999cad95c9a679cc362cb", kill_on_drop: false }`
[INFO] [stdout] a318f37fe96c90162de31c392aee3f0aed9ef28cf75999cad95c9a679cc362cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44663d5978437d6cb09ae5f15482541e48f1929ea56894e86781bf42a46a48b5
[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" "44663d5978437d6cb09ae5f15482541e48f1929ea56894e86781bf42a46a48b5", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:100:24
[INFO] [stderr]     |
[INFO] [stderr] 100 | test_binop! (add3 i32: (-2_000_000_000) + (-2_000_000_000) == None);
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:100:43
[INFO] [stderr]     |
[INFO] [stderr] 100 | test_binop! (add3 i32: (-2_000_000_000) + (-2_000_000_000) == None);
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:113:29
[INFO] [stderr]     |
[INFO] [stderr] 113 | test_unop! (neg2 i8: - 5 == (-5));
[INFO] [stderr]     |                             ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:114:28
[INFO] [stderr]     |
[INFO] [stderr] 114 | test_unop! (not i8: ! 5 == (-6));
[INFO] [stderr]     |                            ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: `checked` (lib test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/checked-750c54e505a58db2)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test tests::add3 ... ok
[INFO] [stdout] test tests::div2 ... ok
[INFO] [stdout] test tests::and ... ok
[INFO] [stdout] test tests::mul1 ... ok
[INFO] [stdout] test tests::mut_ref_option_methods ... ok
[INFO] [stdout] test tests::mul2 ... ok
[INFO] [stdout] test tests::neg1 ... ok
[INFO] [stdout] test tests::from_checked ... ok
[INFO] [stdout] test tests::new_checked ... ok
[INFO] [stdout] test tests::neg2 ... ok
[INFO] [stdout] test tests::neutral_elements ... ok
[INFO] [stdout] test tests::not ... ok
[INFO] [stdout] test tests::or ... ok
[INFO] [stdout] test tests::order ... ok
[INFO] [stdout] test tests::rem ... ok
[INFO] [stdout] test tests::shl ... ok
[INFO] [stdout] test tests::shr ... ok
[INFO] [stdout] test tests::sub ... ok
[INFO] [stdout] test tests::xor ... ok
[INFO] [stdout] test tests::add1 ... ok
[INFO] [stdout] test tests::add2 ... ok
[INFO] [stdout] test tests::consuming_option_methods ... ok
[INFO] [stdout] test tests::div1 ... ok
[INFO] [stdout] test tests::readme_example ... ok
[INFO] [stdout] test tests::ref_option_methods ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests checked
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/lib.rs - (line 56) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/num.rs - num::Checked<T>::new (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.80s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "44663d5978437d6cb09ae5f15482541e48f1929ea56894e86781bf42a46a48b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44663d5978437d6cb09ae5f15482541e48f1929ea56894e86781bf42a46a48b5", kill_on_drop: false }`
[INFO] [stdout] 44663d5978437d6cb09ae5f15482541e48f1929ea56894e86781bf42a46a48b5