[INFO] fetching crate unwrap_none 0.1.1... [INFO] testing unwrap_none-0.1.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate unwrap_none 0.1.1 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate unwrap_none 0.1.1 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate unwrap_none 0.1.1 [INFO] finished tweaking crates.io crate unwrap_none 0.1.1 [INFO] tweaked toml for crates.io crate unwrap_none 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cc31078130157fd681bcd7bd164443822486bae64b4361daa79cde3c83d71915 [INFO] running `Command { std: "docker" "start" "-a" "cc31078130157fd681bcd7bd164443822486bae64b4361daa79cde3c83d71915", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc31078130157fd681bcd7bd164443822486bae64b4361daa79cde3c83d71915", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc31078130157fd681bcd7bd164443822486bae64b4361daa79cde3c83d71915", kill_on_drop: false }` [INFO] [stdout] cc31078130157fd681bcd7bd164443822486bae64b4361daa79cde3c83d71915 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ddcbe0b6abd988992cd007daa91e0a29a8b4376de443ac9df4138e9905576c53 [INFO] running `Command { std: "docker" "start" "-a" "ddcbe0b6abd988992cd007daa91e0a29a8b4376de443ac9df4138e9905576c53", kill_on_drop: false }` [INFO] [stderr] Compiling unwrap_none v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "ddcbe0b6abd988992cd007daa91e0a29a8b4376de443ac9df4138e9905576c53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddcbe0b6abd988992cd007daa91e0a29a8b4376de443ac9df4138e9905576c53", kill_on_drop: false }` [INFO] [stdout] ddcbe0b6abd988992cd007daa91e0a29a8b4376de443ac9df4138e9905576c53 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e8a088489d08e0a51b040f9c094da182354e2f9789c0fe8d67ebe1c095357db [INFO] running `Command { std: "docker" "start" "-a" "2e8a088489d08e0a51b040f9c094da182354e2f9789c0fe8d67ebe1c095357db", kill_on_drop: false }` [INFO] [stderr] Compiling unwrap_none v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.61s [INFO] running `Command { std: "docker" "inspect" "2e8a088489d08e0a51b040f9c094da182354e2f9789c0fe8d67ebe1c095357db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e8a088489d08e0a51b040f9c094da182354e2f9789c0fe8d67ebe1c095357db", kill_on_drop: false }` [INFO] [stdout] 2e8a088489d08e0a51b040f9c094da182354e2f9789c0fe8d67ebe1c095357db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cb77b63bd5d296a1ee8d8f82991e7579b40b2373a750e5cfd43a9bb80e9dfc7a [INFO] running `Command { std: "docker" "start" "-a" "cb77b63bd5d296a1ee8d8f82991e7579b40b2373a750e5cfd43a9bb80e9dfc7a", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/unwrap_none-4e3e452aab84d2b6) [INFO] [stdout] [INFO] [stderr] Doc-tests unwrap_none [INFO] [stdout] running 0 tests [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 4 tests [INFO] [stdout] test src/lib.rs - UnwrapNone::unwrap_none (line 50) ... FAILED [INFO] [stdout] test src/lib.rs - UnwrapNone::expect_none (line 26) ... FAILED [INFO] [stdout] test src/lib.rs - UnwrapNone::expect_none (line 15) ... FAILED [INFO] [stdout] test src/lib.rs - UnwrapNone::unwrap_none (line 61) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - UnwrapNone::unwrap_none (line 50) stdout ---- [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:49:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(option_unwrap_none)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `unwrap_none` found for enum `Option` in the current scope [INFO] [stdout] --> src/lib.rs:57:30 [INFO] [stdout] | [INFO] [stdout] 10 | squares.insert(i, i * i).unwrap_none(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/workdir/src/lib.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn unwrap_none(self); [INFO] [stdout] | ----------- the method is available for `Option<{integer}>` here [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] | [INFO] [stdout] 5 | use crate::unwrap_none::UnwrapNone; [INFO] [stdout] | [INFO] [stdout] help: there is an associated function with a similar name [INFO] [stdout] | [INFO] [stdout] 10 | squares.insert(i, i * i).unwrap_or(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599. [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - UnwrapNone::expect_none (line 26) stdout ---- [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:26:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(option_expect_none)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `expect_none` found for enum `Option` in the current scope [INFO] [stdout] --> src/lib.rs:34:28 [INFO] [stdout] | [INFO] [stdout] 10 | sqrts.insert(i * i, i).expect_none("duplicate key"); [INFO] [stdout] | ^^^^^^^^^^^ method not found in `Option<{integer}>` [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599. [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - UnwrapNone::expect_none (line 15) stdout ---- [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(option_expect_none)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `expect_none` found for enum `Option` in the current scope [INFO] [stdout] --> src/lib.rs:22:30 [INFO] [stdout] | [INFO] [stdout] 9 | squares.insert(i, i * i).expect_none("duplicate key"); [INFO] [stdout] | ^^^^^^^^^^^ method not found in `Option<{integer}>` [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599. [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - UnwrapNone::unwrap_none (line 61) stdout ---- [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:60:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(option_unwrap_none)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `unwrap_none` found for enum `Option` in the current scope [INFO] [stdout] --> src/lib.rs:69:28 [INFO] [stdout] | [INFO] [stdout] 11 | sqrts.insert(i * i, i).unwrap_none(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/workdir/src/lib.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn unwrap_none(self); [INFO] [stdout] | ----------- the method is available for `Option<{integer}>` here [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] | [INFO] [stdout] 5 | use crate::unwrap_none::UnwrapNone; [INFO] [stdout] | [INFO] [stdout] help: there is an associated function with a similar name [INFO] [stdout] | [INFO] [stdout] 11 | sqrts.insert(i * i, i).unwrap_or(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599. [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - UnwrapNone::expect_none (line 15) [INFO] [stdout] src/lib.rs - UnwrapNone::expect_none (line 26) [INFO] [stdout] src/lib.rs - UnwrapNone::unwrap_none (line 50) [INFO] [stdout] src/lib.rs - UnwrapNone::unwrap_none (line 61) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "cb77b63bd5d296a1ee8d8f82991e7579b40b2373a750e5cfd43a9bb80e9dfc7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb77b63bd5d296a1ee8d8f82991e7579b40b2373a750e5cfd43a9bb80e9dfc7a", kill_on_drop: false }` [INFO] [stdout] cb77b63bd5d296a1ee8d8f82991e7579b40b2373a750e5cfd43a9bb80e9dfc7a