[INFO] crate optional 0.5.0 is already in cache
[INFO] testing optional-0.5.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate optional 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate optional 0.5.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optional 0.5.0
[INFO] finished tweaking crates.io crate optional 0.5.0
[INFO] tweaked toml for crates.io crate optional 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95437d3393acd8613998ea2635224a0b386de2d0aa6f0cf784d3fc9f244f3b0e
[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" "95437d3393acd8613998ea2635224a0b386de2d0aa6f0cf784d3fc9f244f3b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95437d3393acd8613998ea2635224a0b386de2d0aa6f0cf784d3fc9f244f3b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95437d3393acd8613998ea2635224a0b386de2d0aa6f0cf784d3fc9f244f3b0e", kill_on_drop: false }`
[INFO] [stdout] 95437d3393acd8613998ea2635224a0b386de2d0aa6f0cf784d3fc9f244f3b0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", 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] ca923aff7bf4e24006027674b927ed008e3ed2a5fd80dce3adca7557d18ee0d4
[INFO] running `Command { std: "docker" "start" "-a" "ca923aff7bf4e24006027674b927ed008e3ed2a5fd80dce3adca7557d18ee0d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling optional v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]     --> src/lib.rs:1033:5
[INFO] [stdout]      |
[INFO] [stdout] 1033 |     #[inline]
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]     --> src/lib.rs:1117:5
[INFO] [stdout]      |
[INFO] [stdout] 1117 |     #[inline]
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "ca923aff7bf4e24006027674b927ed008e3ed2a5fd80dce3adca7557d18ee0d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca923aff7bf4e24006027674b927ed008e3ed2a5fd80dce3adca7557d18ee0d4", kill_on_drop: false }`
[INFO] [stdout] ca923aff7bf4e24006027674b927ed008e3ed2a5fd80dce3adca7557d18ee0d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", 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] fa5a1bf6b53b25cfcd8096ae88f4239c3037b9d8beb02b2e5dd0f98801e06923
[INFO] running `Command { std: "docker" "start" "-a" "fa5a1bf6b53b25cfcd8096ae88f4239c3037b9d8beb02b2e5dd0f98801e06923", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]     --> src/lib.rs:1033:5
[INFO] [stdout]      |
[INFO] [stdout] 1033 |     #[inline]
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]     --> src/lib.rs:1117:5
[INFO] [stdout]      |
[INFO] [stdout] 1117 |     #[inline]
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling optional v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]     --> src/lib.rs:1033:5
[INFO] [stdout]      |
[INFO] [stdout] 1033 |     #[inline]
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]     --> src/lib.rs:1117:5
[INFO] [stdout]      |
[INFO] [stdout] 1117 |     #[inline]
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.00s
[INFO] running `Command { std: "docker" "inspect" "fa5a1bf6b53b25cfcd8096ae88f4239c3037b9d8beb02b2e5dd0f98801e06923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa5a1bf6b53b25cfcd8096ae88f4239c3037b9d8beb02b2e5dd0f98801e06923", kill_on_drop: false }`
[INFO] [stdout] fa5a1bf6b53b25cfcd8096ae88f4239c3037b9d8beb02b2e5dd0f98801e06923
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 514488dd8479fe3774039110f4772e20436a710d83309f0ab2ff10ca3c31a11c
[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" "514488dd8479fe3774039110f4772e20436a710d83309f0ab2ff10ca3c31a11c", kill_on_drop: false }`
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]     --> src/lib.rs:1033:5
[INFO] [stderr]      |
[INFO] [stderr] 1033 |     #[inline]
[INFO] [stderr]      |     ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]     --> src/lib.rs:1117:5
[INFO] [stderr]      |
[INFO] [stderr] 1117 |     #[inline]
[INFO] [stderr]      |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]     --> src/lib.rs:1033:5
[INFO] [stderr]      |
[INFO] [stderr] 1033 |     #[inline]
[INFO] [stderr]      |     ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]     --> src/lib.rs:1117:5
[INFO] [stderr]      |
[INFO] [stderr] 1117 |     #[inline]
[INFO] [stderr]      |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/optional-7a9958366f207541
[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] [stderr]      Running /opt/rustwide/target/debug/deps/optbool-81b506ea4cf956ec
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test deref_to_option ... ok
[INFO] [stdout] test into_option_bool ... ok
[INFO] [stdout] test test_bool_map ... ok
[INFO] [stdout] test test_eq_ne ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/optioned-cbedcdc3b06f3482
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test optioned_is_some_or_none ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests optional
[INFO] [stdout] 
[INFO] [stdout] running 61 tests
[INFO] [stdout] test src/lib.rs - OptionBool::is_none (line 245) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::expect (line 270) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::as_slice (line 715) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool (line 799) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::and_then_bool (line 584) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::expect (line 279) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::is_some (line 226) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::and_then (line 559) ... ok
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::and (line 515) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::iter (line 701) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::and_bool (line 534) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::map_or_else (line 451) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::map_bool (line 397) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::map (line 370) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::none (line 213) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::or (line 606) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::map_or (line 429) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::or_else_bool (line 677) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::or_bool (line 626) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::ok_or_else (line 493) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::ok_or (line 474) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::or_else (line 651) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::take_bool (line 755) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::take (line 737) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::unwrap (line 301) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::unwrap (line 310) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::into_option (line 1397) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::unwrap_or (line 322) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::and (line 1684) ... ok
[INFO] [stdout] test src/lib.rs - OptionBool::unwrap_or_else (line 342) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T> (line 1234) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::and_then (line 1710) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::expect (line 1441) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::as_slice (line 1806) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::expect (line 1433) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::into_option (line 1388) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::iter (line 1820) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::map_t (line 1558) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::ok_or (line 1745) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::or (line 1628) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::map (line 1535) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::unpack (line 1482) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::some (line 1349) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::none (line 1368) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::map_or_else (line 1601) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::take (line 1792) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::or_else (line 1659) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::unwrap (line 1462) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::some (line 1355) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::map_or (line 1580) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::ok_or_else (line 1768) ... ok
[INFO] [stdout] test src/lib.rs - some (line 1839) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::unwrap (line 1470) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::unwrap_or (line 1496) ... ok
[INFO] [stdout] test src/lib.rs - some (line 1845) ... ok
[INFO] [stdout] test src/lib.rs - Optioned<T>::unwrap_or_else (line 1514) ... ok
[INFO] [stdout] test src/lib.rs - wrap (line 1871) ... ok
[INFO] [stdout] test src/lib.rs - none (line 1858) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 61 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "514488dd8479fe3774039110f4772e20436a710d83309f0ab2ff10ca3c31a11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "514488dd8479fe3774039110f4772e20436a710d83309f0ab2ff10ca3c31a11c", kill_on_drop: false }`
[INFO] [stdout] 514488dd8479fe3774039110f4772e20436a710d83309f0ab2ff10ca3c31a11c