[INFO] fetching crate empty-option 0.1.1...
[INFO] testing empty-option-0.1.1 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate empty-option 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate empty-option 0.1.1 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate empty-option 0.1.1
[INFO] finished tweaking crates.io crate empty-option 0.1.1
[INFO] tweaked toml for crates.io crate empty-option 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68f290412d6b249029a26fc133ad60ade2cdee2e70995ffee7e25ccf9838da46
[INFO] running `Command { std: "docker" "start" "-a" "68f290412d6b249029a26fc133ad60ade2cdee2e70995ffee7e25ccf9838da46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68f290412d6b249029a26fc133ad60ade2cdee2e70995ffee7e25ccf9838da46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f290412d6b249029a26fc133ad60ade2cdee2e70995ffee7e25ccf9838da46", kill_on_drop: false }`
[INFO] [stdout] 68f290412d6b249029a26fc133ad60ade2cdee2e70995ffee7e25ccf9838da46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c786aefb9125326c66b296b28ccdc660cc02d8372040ed2d14c128f6299d31d9
[INFO] running `Command { std: "docker" "start" "-a" "c786aefb9125326c66b296b28ccdc660cc02d8372040ed2d14c128f6299d31d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling empty-option v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "c786aefb9125326c66b296b28ccdc660cc02d8372040ed2d14c128f6299d31d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c786aefb9125326c66b296b28ccdc660cc02d8372040ed2d14c128f6299d31d9", kill_on_drop: false }`
[INFO] [stdout] c786aefb9125326c66b296b28ccdc660cc02d8372040ed2d14c128f6299d31d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce5d4c1875de46e213075b5b9b5aabbbc1be236a1d4b451e662481f161901bfd
[INFO] running `Command { std: "docker" "start" "-a" "ce5d4c1875de46e213075b5b9b5aabbbc1be236a1d4b451e662481f161901bfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling empty-option v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "ce5d4c1875de46e213075b5b9b5aabbbc1be236a1d4b451e662481f161901bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce5d4c1875de46e213075b5b9b5aabbbc1be236a1d4b451e662481f161901bfd", kill_on_drop: false }`
[INFO] [stdout] ce5d4c1875de46e213075b5b9b5aabbbc1be236a1d4b451e662481f161901bfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 52473805c17904799f3357692931878e769c7b8db8853fe448e4d5c40ca0dfac
[INFO] running `Command { std: "docker" "start" "-a" "52473805c17904799f3357692931878e769c7b8db8853fe448e4d5c40ca0dfac", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/empty_option-ee7e94cefb026dc2)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::mut_and_release ... ok
[INFO] [stdout] test tests::mut_and_keep ... ok
[INFO] [stdout] test tests::catch_and_release ... ok
[INFO] [stdout] test tests::catch_and_keep - should panic ... ok
[INFO] [stdout] test tests::mut_from_none - should panic ... ok
[INFO] [stdout] test tests::catch_from_none - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests empty_option
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - OptionGuard (line 168) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 99) ... FAILED
[INFO] [stdout] test src/lib.rs - OptionGuardMut (line 246) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 46) ... FAILED
[INFO] [stdout] test src/lib.rs - OptionGuardMut (line 213) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - OptionGuardMut (line 230) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - OptionGuard (line 157) ... ok
[INFO] [stdout] test src/lib.rs - OptionGuard (line 135) ... ok
[INFO] [stdout] test src/lib.rs - (line 81) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - OptionGuard (line 168) stdout ----
[INFO] [stdout] error[E0599]: no method named `steal` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/lib.rs:172:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | let (guard, _) = thing.steal();
[INFO] [stdout]   |                        ^^^^^ method not found in `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 99) stdout ----
[INFO] [stdout] error[E0599]: no method named `steal_mut` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/lib.rs:103:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | thing.steal_mut();
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a method `iter_mut` with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | thing.iter_mut();
[INFO] [stdout]   |       ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - OptionGuardMut (line 246) stdout ----
[INFO] [stdout] error[E0599]: no method named `steal_mut` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/lib.rs:250:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | thing.steal_mut();
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a method `iter_mut` with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | thing.iter_mut();
[INFO] [stdout]   |       ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 46) stdout ----
[INFO] [stdout] error[E0599]: no method named `steal` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/lib.rs:50:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | let (guard, _) = thing.steal();
[INFO] [stdout]   |                        ^^^^^ method not found in `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 46)
[INFO] [stdout]     src/lib.rs - (line 99)
[INFO] [stdout]     src/lib.rs - OptionGuard (line 168)
[INFO] [stdout]     src/lib.rs - OptionGuardMut (line 246)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "52473805c17904799f3357692931878e769c7b8db8853fe448e4d5c40ca0dfac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52473805c17904799f3357692931878e769c7b8db8853fe448e4d5c40ca0dfac", kill_on_drop: false }`
[INFO] [stdout] 52473805c17904799f3357692931878e769c7b8db8853fe448e4d5c40ca0dfac
[INFO] testing empty-option-0.1.1 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate empty-option 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate empty-option 0.1.1 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate empty-option 0.1.1
[INFO] finished tweaking crates.io crate empty-option 0.1.1
[INFO] tweaked toml for crates.io crate empty-option 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64c5fede7c6009265452922724cf0fc85d0ec6808b50d7e8644f1eaff7dc8b0f
[INFO] running `Command { std: "docker" "start" "-a" "64c5fede7c6009265452922724cf0fc85d0ec6808b50d7e8644f1eaff7dc8b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64c5fede7c6009265452922724cf0fc85d0ec6808b50d7e8644f1eaff7dc8b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c5fede7c6009265452922724cf0fc85d0ec6808b50d7e8644f1eaff7dc8b0f", kill_on_drop: false }`
[INFO] [stdout] 64c5fede7c6009265452922724cf0fc85d0ec6808b50d7e8644f1eaff7dc8b0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56a3c2cb05d2c6fc5751e8860647eb4f8ef20475a0b74126a2f033c2f0070cc0
[INFO] running `Command { std: "docker" "start" "-a" "56a3c2cb05d2c6fc5751e8860647eb4f8ef20475a0b74126a2f033c2f0070cc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling empty-option v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "56a3c2cb05d2c6fc5751e8860647eb4f8ef20475a0b74126a2f033c2f0070cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56a3c2cb05d2c6fc5751e8860647eb4f8ef20475a0b74126a2f033c2f0070cc0", kill_on_drop: false }`
[INFO] [stdout] 56a3c2cb05d2c6fc5751e8860647eb4f8ef20475a0b74126a2f033c2f0070cc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ce39a62ba047b97df8f6b0d1ad5af1ec49813987bf3d273177e6faaa299c8ea
[INFO] running `Command { std: "docker" "start" "-a" "1ce39a62ba047b97df8f6b0d1ad5af1ec49813987bf3d273177e6faaa299c8ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling empty-option v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "1ce39a62ba047b97df8f6b0d1ad5af1ec49813987bf3d273177e6faaa299c8ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce39a62ba047b97df8f6b0d1ad5af1ec49813987bf3d273177e6faaa299c8ea", kill_on_drop: false }`
[INFO] [stdout] 1ce39a62ba047b97df8f6b0d1ad5af1ec49813987bf3d273177e6faaa299c8ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8fc9ff7692df18bb2acc5b2ac235c2b94deecbc72afa28d4d2443bbc790cf94a
[INFO] running `Command { std: "docker" "start" "-a" "8fc9ff7692df18bb2acc5b2ac235c2b94deecbc72afa28d4d2443bbc790cf94a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/empty_option-ee7e94cefb026dc2)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::mut_and_keep ... ok
[INFO] [stdout] test tests::mut_and_release ... ok
[INFO] [stdout] test tests::catch_and_release ... ok
[INFO] [stdout] test tests::catch_from_none - should panic ... ok
[INFO] [stdout] test tests::catch_and_keep - should panic ... ok
[INFO] [stdout] test tests::mut_from_none - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests empty_option
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - OptionGuardMut (line 246) ... FAILED
[INFO] [stdout] test src/lib.rs - OptionGuard (line 168) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 46) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 99) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] test src/lib.rs - OptionGuardMut (line 213) ... ok
[INFO] [stdout] test src/lib.rs - (line 81) ... ok
[INFO] [stdout] test src/lib.rs - OptionGuard (line 157) ... ok
[INFO] [stdout] test src/lib.rs - OptionGuardMut (line 230) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - OptionGuard (line 135) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - OptionGuardMut (line 246) stdout ----
[INFO] [stdout] error[E0599]: no method named `steal_mut` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/lib.rs:250:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | thing.steal_mut();
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a method `iter_mut` with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | thing.iter_mut();
[INFO] [stdout]   |       ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - OptionGuard (line 168) stdout ----
[INFO] [stdout] error[E0599]: no method named `steal` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/lib.rs:172:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | let (guard, _) = thing.steal();
[INFO] [stdout]   |                        ^^^^^ method not found in `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 46) stdout ----
[INFO] [stdout] error[E0599]: no method named `steal` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/lib.rs:50:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | let (guard, _) = thing.steal();
[INFO] [stdout]   |                        ^^^^^ method not found in `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 99) stdout ----
[INFO] [stdout] error[E0599]: no method named `steal_mut` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/lib.rs:103:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | thing.steal_mut();
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a method `iter_mut` with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | thing.iter_mut();
[INFO] [stdout]   |       ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 46)
[INFO] [stdout]     src/lib.rs - (line 99)
[INFO] [stdout]     src/lib.rs - OptionGuard (line 168)
[INFO] [stdout]     src/lib.rs - OptionGuardMut (line 246)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8fc9ff7692df18bb2acc5b2ac235c2b94deecbc72afa28d4d2443bbc790cf94a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc9ff7692df18bb2acc5b2ac235c2b94deecbc72afa28d4d2443bbc790cf94a", kill_on_drop: false }`
[INFO] [stdout] 8fc9ff7692df18bb2acc5b2ac235c2b94deecbc72afa28d4d2443bbc790cf94a
