[INFO] fetching crate optempty 0.1.11...
[INFO] testing optempty-0.1.11 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate optempty 0.1.11 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate optempty 0.1.11 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] efa77614011c5a6a515edabe83ce4cc1a3bc9636ee8d2433b90c267e01b39ecf
[INFO] running `Command { std: "docker" "start" "-a" "efa77614011c5a6a515edabe83ce4cc1a3bc9636ee8d2433b90c267e01b39ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efa77614011c5a6a515edabe83ce4cc1a3bc9636ee8d2433b90c267e01b39ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa77614011c5a6a515edabe83ce4cc1a3bc9636ee8d2433b90c267e01b39ecf", kill_on_drop: false }`
[INFO] [stdout] efa77614011c5a6a515edabe83ce4cc1a3bc9636ee8d2433b90c267e01b39ecf
[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=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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2147f316277cc7ff1ff3608c009359a3e0acde2b0cf550855550e96b83e4fed7
[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" "2147f316277cc7ff1ff3608c009359a3e0acde2b0cf550855550e96b83e4fed7", kill_on_drop: false }`
[INFO] [stderr]    Compiling optempty v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "2147f316277cc7ff1ff3608c009359a3e0acde2b0cf550855550e96b83e4fed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2147f316277cc7ff1ff3608c009359a3e0acde2b0cf550855550e96b83e4fed7", kill_on_drop: false }`
[INFO] [stdout] 2147f316277cc7ff1ff3608c009359a3e0acde2b0cf550855550e96b83e4fed7
[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=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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8363f0b8d8c8d3a618393af9cfce837c23515af75fdfbde006b6d5bd950c257e
[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" "8363f0b8d8c8d3a618393af9cfce837c23515af75fdfbde006b6d5bd950c257e", kill_on_drop: false }`
[INFO] [stderr]    Compiling optempty v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "8363f0b8d8c8d3a618393af9cfce837c23515af75fdfbde006b6d5bd950c257e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8363f0b8d8c8d3a618393af9cfce837c23515af75fdfbde006b6d5bd950c257e", kill_on_drop: false }`
[INFO] [stdout] 8363f0b8d8c8d3a618393af9cfce837c23515af75fdfbde006b6d5bd950c257e
[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=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" "+722e1797249a965b6335aebd65d777f917e498f1" "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] bb3322d23325cca5a3952db29a530f3ce42aeb2a48f67a92c321fda3ea8399cd
[INFO] running `Command { std: "docker" "start" "-a" "bb3322d23325cca5a3952db29a530f3ce42aeb2a48f67a92c321fda3ea8399cd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/optempty-da30bfa54fa4b680)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/empty_into.rs (/opt/rustwide/target/debug/deps/empty_into-1ddc9aa93fac3e49)
[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] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stderr]      Running tests/is_empty.rs (/opt/rustwide/target/debug/deps/is_empty-e4c78f3984d7aafa)
[INFO] [stdout] test hash_set ... ok
[INFO] [stdout] test btree_map ... ok
[INFO] [stdout] test vec_deque ... ok
[INFO] [stdout] test string ... ok
[INFO] [stdout] test binary_heap ... ok
[INFO] [stdout] test vec ... ok
[INFO] [stdout] test hash_map ... ok
[INFO] [stdout] test str ... ok
[INFO] [stdout] test btree_set ... ok
[INFO] [stdout] test slice ... ok
[INFO] [stdout] test linked_list ... 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 11 tests
[INFO] [stdout] test linked_list ... ok
[INFO] [stdout] test hash_map ... ok
[INFO] [stdout] test binary_heap ... ok
[INFO] [stdout] test slice ... ok
[INFO] [stdout] test vec_deque ... ok
[INFO] [stdout] test hash_set ... ok
[INFO] [stdout] test string ... ok
[INFO] [stdout] test str ... ok
[INFO] [stdout] test vec ... ok
[INFO] [stdout] test btree_set ... ok
[INFO] [stderr]    Doc-tests optempty
[INFO] [stdout] test btree_map ... 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/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::Result<T,E>::is_empty (line 128) ... 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/is_empty/no_std.rs - is_empty::no_std::Option<T>::is_empty (line 93) ... ok
[INFO] [stdout] test src/empty_into_none.rs - empty_into_none::EmptyIntoNone::empty_into_none (line 28) ... 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/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 71) ... 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 64) ... 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 78) ... ok
[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 100) ... 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 157) ... 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/is_empty/no_std.rs - is_empty::no_std::Result<T,E>::is_empty (line 150) ... ok
[INFO] [stdout] test src/lib.rs - (line 65) ... 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/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 56) ... ok
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb3322d23325cca5a3952db29a530f3ce42aeb2a48f67a92c321fda3ea8399cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb3322d23325cca5a3952db29a530f3ce42aeb2a48f67a92c321fda3ea8399cd", kill_on_drop: false }`
[INFO] [stdout] bb3322d23325cca5a3952db29a530f3ce42aeb2a48f67a92c321fda3ea8399cd