[INFO] fetching crate empty-option 0.1.1... [INFO] testing empty-option-0.1.1 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate empty-option 0.1.1 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate empty-option 0.1.1 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f12f26212a9b08827426c75df39773d14c8cd1f4300911d571e56315e5792711 [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" "f12f26212a9b08827426c75df39773d14c8cd1f4300911d571e56315e5792711", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f12f26212a9b08827426c75df39773d14c8cd1f4300911d571e56315e5792711", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f12f26212a9b08827426c75df39773d14c8cd1f4300911d571e56315e5792711", kill_on_drop: false }` [INFO] [stdout] f12f26212a9b08827426c75df39773d14c8cd1f4300911d571e56315e5792711 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 831046a5e4086c5cef76fa0c5bc1d7274099620fd942772b95d2763eaf978747 [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" "831046a5e4086c5cef76fa0c5bc1d7274099620fd942772b95d2763eaf978747", kill_on_drop: false }` [INFO] [stderr] Compiling empty-option v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `Command { std: "docker" "inspect" "831046a5e4086c5cef76fa0c5bc1d7274099620fd942772b95d2763eaf978747", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "831046a5e4086c5cef76fa0c5bc1d7274099620fd942772b95d2763eaf978747", kill_on_drop: false }` [INFO] [stdout] 831046a5e4086c5cef76fa0c5bc1d7274099620fd942772b95d2763eaf978747 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 13aeb7365c6024e9e913087c208bd3ef6d5653fedcc3c3b99084c6b407182cf5 [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" "13aeb7365c6024e9e913087c208bd3ef6d5653fedcc3c3b99084c6b407182cf5", kill_on_drop: false }` [INFO] [stderr] Compiling empty-option v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.46s [INFO] running `Command { std: "docker" "inspect" "13aeb7365c6024e9e913087c208bd3ef6d5653fedcc3c3b99084c6b407182cf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13aeb7365c6024e9e913087c208bd3ef6d5653fedcc3c3b99084c6b407182cf5", kill_on_drop: false }` [INFO] [stdout] 13aeb7365c6024e9e913087c208bd3ef6d5653fedcc3c3b99084c6b407182cf5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d0ae2a39515641fbbf70a2a4c747532df2da0f5949329ae6b698f35ad806098e [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" "d0ae2a39515641fbbf70a2a4c747532df2da0f5949329ae6b698f35ad806098e", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/empty_option-e8987211e73e383c [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] [stderr] Doc-tests empty-option [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; finished in 0.05s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test src/lib.rs - OptionGuard (line 168) ... 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 - (line 63) ... ok [INFO] [stdout] test src/lib.rs - (line 99) ... FAILED [INFO] [stdout] test src/lib.rs - (line 34) ... ok [INFO] [stdout] test src/lib.rs - OptionGuard (line 135) ... ok [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 - OptionGuard (line 157) ... ok [INFO] [stdout] test src/lib.rs - (line 81) ... 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 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] | ^^^^^^^^^ help: there is an associated function 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 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 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] | ^^^^^^^^^ help: there is an associated function 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; finished in 3.39s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "d0ae2a39515641fbbf70a2a4c747532df2da0f5949329ae6b698f35ad806098e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0ae2a39515641fbbf70a2a4c747532df2da0f5949329ae6b698f35ad806098e", kill_on_drop: false }` [INFO] [stdout] d0ae2a39515641fbbf70a2a4c747532df2da0f5949329ae6b698f35ad806098e