[INFO] fetching crate optempty 0.1.11...
[INFO] testing optempty-0.1.11 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate optempty 0.1.11 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate optempty 0.1.11 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optempty 0.1.11
[INFO] finished tweaking crates.io crate optempty 0.1.11
[INFO] tweaked toml for crates.io crate optempty 0.1.11 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf60d76af53daf05c88fc73f12bfba80652f1fc9135429b6f1bcfb5ad0c1deb1
[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" "cf60d76af53daf05c88fc73f12bfba80652f1fc9135429b6f1bcfb5ad0c1deb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf60d76af53daf05c88fc73f12bfba80652f1fc9135429b6f1bcfb5ad0c1deb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf60d76af53daf05c88fc73f12bfba80652f1fc9135429b6f1bcfb5ad0c1deb1", kill_on_drop: false }`
[INFO] [stdout] cf60d76af53daf05c88fc73f12bfba80652f1fc9135429b6f1bcfb5ad0c1deb1
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dc14e66fc29f9cf3d5a89f071d0f9ce932174ae9b84e5077deacc7ce62a590f
[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" "1dc14e66fc29f9cf3d5a89f071d0f9ce932174ae9b84e5077deacc7ce62a590f", kill_on_drop: false }`
[INFO] [stderr]    Compiling optempty v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "1dc14e66fc29f9cf3d5a89f071d0f9ce932174ae9b84e5077deacc7ce62a590f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc14e66fc29f9cf3d5a89f071d0f9ce932174ae9b84e5077deacc7ce62a590f", kill_on_drop: false }`
[INFO] [stdout] 1dc14e66fc29f9cf3d5a89f071d0f9ce932174ae9b84e5077deacc7ce62a590f
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a07bc3eb6056ed47b173fa2159458896d79cae0a9fab7959cadb7b02d32a252
[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" "4a07bc3eb6056ed47b173fa2159458896d79cae0a9fab7959cadb7b02d32a252", kill_on_drop: false }`
[INFO] [stderr]    Compiling optempty v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "4a07bc3eb6056ed47b173fa2159458896d79cae0a9fab7959cadb7b02d32a252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a07bc3eb6056ed47b173fa2159458896d79cae0a9fab7959cadb7b02d32a252", kill_on_drop: false }`
[INFO] [stdout] 4a07bc3eb6056ed47b173fa2159458896d79cae0a9fab7959cadb7b02d32a252
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] d7d67e012bf685d5548aeea73f7cb00bcd9f25b5cba4b7ed3cfc45cf62cf36e9
[INFO] running `Command { std: "docker" "start" "-a" "d7d67e012bf685d5548aeea73f7cb00bcd9f25b5cba4b7ed3cfc45cf62cf36e9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/optempty-da30bfa54fa4b680)
[INFO] [stderr]      Running tests/empty_into.rs (/opt/rustwide/target/debug/deps/empty_into-1ddc9aa93fac3e49)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test binary_heap ... ok
[INFO] [stdout] test linked_list ... ok
[INFO] [stdout] test btree_map ... ok
[INFO] [stdout] test slice ... ok
[INFO] [stdout] test hash_map ... ok
[INFO] [stdout] test vec ... ok
[INFO] [stdout] test vec_deque ... ok
[INFO] [stdout] test string ... ok
[INFO] [stdout] test btree_set ... ok
[INFO] [stdout] test hash_set ... ok
[INFO] [stderr]      Running tests/is_empty.rs (/opt/rustwide/target/debug/deps/is_empty-e4c78f3984d7aafa)
[INFO] [stdout] test str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test linked_list ... ok
[INFO] [stdout] test btree_map ... ok
[INFO] [stdout] test slice ... ok
[INFO] [stdout] test str ... ok
[INFO] [stdout] test string ... ok
[INFO] [stdout] test vec ... ok
[INFO] [stderr]    Doc-tests optempty
[INFO] [stdout] test btree_set ... ok
[INFO] [stdout] test vec_deque ... ok
[INFO] [stdout] test binary_heap ... ok
[INFO] [stdout] test hash_map ... ok
[INFO] [stdout] test hash_set ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test src/empty_into_err.rs - empty_into_err::EmptyIntoErr::empty_into_err (line 20) ... ok
[INFO] [stdout] test src/is_empty/no_std.rs - is_empty::no_std::Option<T>::is_empty (line 64) ... ok
[INFO] [stdout] test src/is_empty/no_std.rs - is_empty::no_std::Result<T,E>::is_empty (line 135) ... ok
[INFO] [stdout] test src/is_empty/no_std.rs - is_empty::no_std::Option<T>::is_empty (line 78) ... ok
[INFO] [stdout] test src/is_empty/no_std.rs - is_empty::no_std::Result<T,E>::is_empty (line 142) ... ok
[INFO] [stdout] test src/is_empty/no_std.rs - is_empty::no_std::Result<T,E>::is_empty (line 128) ... ok
[INFO] [stdout] test src/empty_into_err.rs - empty_into_err::EmptyIntoErr::empty_into_err (line 38) ... ok
[INFO] [stdout] test src/is_empty/no_std.rs - is_empty::no_std::Option<T>::is_empty (line 93) ... ok
[INFO] [stdout] test src/is_empty/no_std.rs - is_empty::no_std::Option<T>::is_empty (line 100) ... ok
[INFO] [stdout] test src/is_empty/no_std.rs - is_empty::no_std::Option<T>::is_empty (line 86) ... ok
[INFO] [stdout] test src/empty_into_none.rs - empty_into_none::EmptyIntoNone::empty_into_none (line 28) ... ok
[INFO] [stdout] test src/empty_into_none.rs - empty_into_none::EmptyIntoNone::empty_into_none (line 37) ... ok
[INFO] [stdout] test src/is_empty/no_std.rs - is_empty::no_std::Option<T>::is_empty (line 108) ... ok
[INFO] [stdout] test src/empty_into_none.rs - empty_into_none::EmptyIntoNone::empty_into_none (line 19) ... ok
[INFO] [stdout] test src/is_empty/no_std.rs - is_empty::no_std::Option<T>::is_empty (line 71) ... ok
[INFO] [stdout] test src/empty_into_err.rs - empty_into_err::EmptyIntoErr::empty_into_err (line 29) ... ok
[INFO] [stdout] test src/is_empty/no_std.rs - is_empty::no_std::Result<T,E>::is_empty (line 172) ... ok
[INFO] [stdout] test src/is_empty/no_std.rs - is_empty::no_std::Result<T,E>::is_empty (line 157) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/is_empty/no_std.rs - is_empty::no_std::Result<T,E>::is_empty (line 150) ... ok
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/is_empty/no_std.rs - is_empty::no_std::Result<T,E>::is_empty (line 164) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 65) ... ok
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] test src/lib.rs - (line 56) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d7d67e012bf685d5548aeea73f7cb00bcd9f25b5cba4b7ed3cfc45cf62cf36e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d67e012bf685d5548aeea73f7cb00bcd9f25b5cba4b7ed3cfc45cf62cf36e9", kill_on_drop: false }`
[INFO] [stdout] d7d67e012bf685d5548aeea73f7cb00bcd9f25b5cba4b7ed3cfc45cf62cf36e9