[INFO] crate empty-option 0.1.1 is already in cache [INFO] extracting crate empty-option 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/empty-option/0.1.1 [INFO] extracting crate empty-option 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/empty-option/0.1.1 [INFO] validating manifest of empty-option-0.1.1 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of empty-option-0.1.1 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing empty-option-0.1.1 [INFO] finished frobbing empty-option-0.1.1 [INFO] frobbed toml for empty-option-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/empty-option/0.1.1/Cargo.toml [INFO] started frobbing empty-option-0.1.1 [INFO] finished frobbing empty-option-0.1.1 [INFO] frobbed toml for empty-option-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/empty-option/0.1.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing empty-option-0.1.1 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/empty-option/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] c714b53baaa752dfc78fcf6a0668667d76933eb07cc188601e4acf1dcef2c35f [INFO] running `"docker" "start" "-a" "c714b53baaa752dfc78fcf6a0668667d76933eb07cc188601e4acf1dcef2c35f"` [INFO] [stderr] Compiling empty-option v0.1.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `"docker" "inspect" "c714b53baaa752dfc78fcf6a0668667d76933eb07cc188601e4acf1dcef2c35f"` [INFO] running `"docker" "rm" "-f" "c714b53baaa752dfc78fcf6a0668667d76933eb07cc188601e4acf1dcef2c35f"` [INFO] [stdout] c714b53baaa752dfc78fcf6a0668667d76933eb07cc188601e4acf1dcef2c35f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/empty-option/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 02d350fe53dc2555299656d1cbad3a1bd6c46ac149ae9aaf629158a992e22924 [INFO] running `"docker" "start" "-a" "02d350fe53dc2555299656d1cbad3a1bd6c46ac149ae9aaf629158a992e22924"` [INFO] [stderr] Compiling empty-option v0.1.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `"docker" "inspect" "02d350fe53dc2555299656d1cbad3a1bd6c46ac149ae9aaf629158a992e22924"` [INFO] running `"docker" "rm" "-f" "02d350fe53dc2555299656d1cbad3a1bd6c46ac149ae9aaf629158a992e22924"` [INFO] [stdout] 02d350fe53dc2555299656d1cbad3a1bd6c46ac149ae9aaf629158a992e22924 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/empty-option/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 92dfbbed4015a15c4458b4ac951592f8bf3be1f0f2758984e988d2720c9da492 [INFO] running `"docker" "start" "-a" "92dfbbed4015a15c4458b4ac951592f8bf3be1f0f2758984e988d2720c9da492"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/empty_option-ffa23c475f519ef6 [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::mut_from_none ... ok [INFO] [stdout] test tests::catch_from_none ... ok [INFO] [stdout] test tests::catch_and_keep ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests empty-option [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test src/lib.rs - (line 99) ... FAILED [INFO] [stdout] test src/lib.rs - OptionGuard (line 157) ... ok [INFO] [stdout] test src/lib.rs - (line 46) ... FAILED [INFO] [stdout] test src/lib.rs - (line 34) ... ok [INFO] [stdout] test src/lib.rs - (line 63) ... ok [INFO] [stdout] test src/lib.rs - OptionGuard (line 168) ... FAILED [INFO] [stdout] test src/lib.rs - OptionGuard (line 135) ... ok [INFO] [stdout] test src/lib.rs - (line 11) ... ok [INFO] [stdout] test src/lib.rs - OptionGuardMut (line 246) ... FAILED [INFO] [stdout] test src/lib.rs - (line 81) ... ok [INFO] [stdout] test src/lib.rs - OptionGuardMut (line 213) ... ok [INFO] [stdout] test src/lib.rs - OptionGuardMut (line 230) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 99) stdout ---- [INFO] [stdout] error[E0599]: no method named `steal_mut` found for type `std::option::Option` in the current scope [INFO] [stdout] --> src/lib.rs:103:7 [INFO] [stdout] | [INFO] [stdout] 6 | thing.steal_mut(); [INFO] [stdout] | ^^^^^^^^^ help: there is a method with a similar name: `iter_mut` [INFO] [stdout] [INFO] [stdout] error: aborting due to 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 type `std::option::Option<_>` in the current scope [INFO] [stdout] --> src/lib.rs:50:24 [INFO] [stdout] | [INFO] [stdout] 6 | let (guard, _) = thing.steal(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] error: aborting due to 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 type `std::option::Option<_>` in the current scope [INFO] [stdout] --> src/lib.rs:172:24 [INFO] [stdout] | [INFO] [stdout] 6 | let (guard, _) = thing.steal(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] error: aborting due to 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 type `std::option::Option` in the current scope [INFO] [stdout] --> src/lib.rs:250:7 [INFO] [stdout] | [INFO] [stdout] 6 | thing.steal_mut(); [INFO] [stdout] | ^^^^^^^^^ help: there is a method with a similar name: `iter_mut` [INFO] [stdout] [INFO] [stdout] error: aborting due to 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 [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "92dfbbed4015a15c4458b4ac951592f8bf3be1f0f2758984e988d2720c9da492"` [INFO] running `"docker" "rm" "-f" "92dfbbed4015a15c4458b4ac951592f8bf3be1f0f2758984e988d2720c9da492"` [INFO] [stdout] 92dfbbed4015a15c4458b4ac951592f8bf3be1f0f2758984e988d2720c9da492