[INFO] fetching crate idiom-solitaire 0.1.0... [INFO] checking idiom-solitaire-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate idiom-solitaire 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate idiom-solitaire 0.1.0 [INFO] finished tweaking crates.io crate idiom-solitaire 0.1.0 [INFO] tweaked toml for crates.io crate idiom-solitaire 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate idiom-solitaire 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 45 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.9.0 (available: v0.14.0) [INFO] [stderr] Adding pathfinding v2.2.3 (available: v4.14.0) [INFO] [stderr] Adding pinyin v0.8.0 (available: v0.10.0) [INFO] [stderr] Adding rand v0.7.3 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b204a66395a15f92748cc5bd5372bf050998ad4d52ce6c0cb85ca4c0dd709034 [INFO] running `Command { std: "docker" "start" "-a" "b204a66395a15f92748cc5bd5372bf050998ad4d52ce6c0cb85ca4c0dd709034", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b204a66395a15f92748cc5bd5372bf050998ad4d52ce6c0cb85ca4c0dd709034", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b204a66395a15f92748cc5bd5372bf050998ad4d52ce6c0cb85ca4c0dd709034", kill_on_drop: false }` [INFO] [stdout] b204a66395a15f92748cc5bd5372bf050998ad4d52ce6c0cb85ca4c0dd709034 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 50b115cdc315b78e9c11574fe4b7270650deab27b61f66aeffd200a5ff46f54f [INFO] running `Command { std: "docker" "start" "-a" "50b115cdc315b78e9c11574fe4b7270650deab27b61f66aeffd200a5ff46f54f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Compiling pinyin v0.8.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking csv-core v0.1.12 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking fixedbitset v0.4.2 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking integer-sqrt v0.1.5 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_pcg v0.2.1 [INFO] [stderr] Checking pathfinding v2.2.3 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking csv v1.3.1 [INFO] [stderr] Checking idiom-solitaire v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option` [INFO] [stdout] --> src/errors.rs:23:24 [INFO] [stdout] | [INFO] [stdout] 23 | impl From for Error { [INFO] [stdout] | ^^^^^^^^^ not found in `std::option` [INFO] [stdout] | [INFO] [stdout] help: there is an enum variant `crate::Error::NoneError`; try using the variant's enum [INFO] [stdout] | [INFO] [stdout] 23 - impl From for Error { [INFO] [stdout] 23 + impl From for Error { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option` [INFO] [stdout] --> src/errors.rs:24:29 [INFO] [stdout] | [INFO] [stdout] 24 | fn from(_: std::option::NoneError) -> Self { [INFO] [stdout] | ^^^^^^^^^ not found in `std::option` [INFO] [stdout] | [INFO] [stdout] help: there is an enum variant `crate::Error::NoneError`; try using the variant's enum [INFO] [stdout] | [INFO] [stdout] 24 - fn from(_: std::option::NoneError) -> Self { [INFO] [stdout] 24 + fn from(_: crate::Error) -> Self { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option` [INFO] [stdout] --> src/errors.rs:23:24 [INFO] [stdout] | [INFO] [stdout] 23 | impl From for Error { [INFO] [stdout] | ^^^^^^^^^ not found in `std::option` [INFO] [stdout] | [INFO] [stdout] help: there is an enum variant `crate::Error::NoneError`; try using the variant's enum [INFO] [stdout] | [INFO] [stdout] 23 - impl From for Error { [INFO] [stdout] 23 + impl From for Error { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option` [INFO] [stdout] --> src/errors.rs:24:29 [INFO] [stdout] | [INFO] [stdout] 24 | fn from(_: std::option::NoneError) -> Self { [INFO] [stdout] | ^^^^^^^^^ not found in `std::option` [INFO] [stdout] | [INFO] [stdout] help: there is an enum variant `crate::Error::NoneError`; try using the variant's enum [INFO] [stdout] | [INFO] [stdout] 24 - fn from(_: std::option::NoneError) -> Self { [INFO] [stdout] 24 + fn from(_: crate::Error) -> Self { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: feature `try_trait` has been renamed to `try_trait_v2` [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(try_trait)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: feature `try_trait` has been renamed to `try_trait_v2` [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(try_trait)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result` [INFO] [stdout] --> src/solver/mod.rs:96:55 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn solve_random(&mut self, input: &str) -> Result { [INFO] [stdout] | ------------------------------------------------------------ this function returns a `Result` [INFO] [stdout] ... [INFO] [stdout] 96 | let i = (0..s.len()).choose(&mut self.rng)?; [INFO] [stdout] | ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result` [INFO] [stdout] --> src/solver/mod.rs:96:55 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn solve_random(&mut self, input: &str) -> Result { [INFO] [stdout] | ------------------------------------------------------------ this function returns a `Result` [INFO] [stdout] ... [INFO] [stdout] 96 | let i = (0..s.len()).choose(&mut self.rng)?; [INFO] [stdout] | ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result` [INFO] [stdout] --> src/solver/mod.rs:104:43 [INFO] [stdout] | [INFO] [stdout] 102 | pub fn solve_target(&mut self, input: &str, target: &str) -> Result> { [INFO] [stdout] | ------------------------------------------------------------------------------- this function returns a `Result` [INFO] [stdout] 103 | let first = Idiom::from(input); [INFO] [stdout] 104 | let target = target.chars().next()?; [INFO] [stdout] | ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result, errors::Error>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result` [INFO] [stdout] --> src/solver/mod.rs:107:54 [INFO] [stdout] | [INFO] [stdout] 102 | pub fn solve_target(&mut self, input: &str, target: &str) -> Result> { [INFO] [stdout] | ------------------------------------------------------------------------------- this function returns a `Result` [INFO] [stdout] ... [INFO] [stdout] 107 | SolitaireMode::Tone => target.to_pinyin()?.with_tone().to_string(), [INFO] [stdout] | ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result, errors::Error>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result` [INFO] [stdout] --> src/solver/mod.rs:104:43 [INFO] [stdout] | [INFO] [stdout] 102 | pub fn solve_target(&mut self, input: &str, target: &str) -> Result> { [INFO] [stdout] | ------------------------------------------------------------------------------- this function returns a `Result` [INFO] [stdout] 103 | let first = Idiom::from(input); [INFO] [stdout] 104 | let target = target.chars().next()?; [INFO] [stdout] | ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result, errors::Error>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result` [INFO] [stdout] --> src/solver/mod.rs:107:54 [INFO] [stdout] | [INFO] [stdout] 102 | pub fn solve_target(&mut self, input: &str, target: &str) -> Result> { [INFO] [stdout] | ------------------------------------------------------------------------------- this function returns a `Result` [INFO] [stdout] ... [INFO] [stdout] 107 | SolitaireMode::Tone => target.to_pinyin()?.with_tone().to_string(), [INFO] [stdout] | ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result, errors::Error>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result` [INFO] [stdout] --> src/solver/mod.rs:108:55 [INFO] [stdout] | [INFO] [stdout] 102 | pub fn solve_target(&mut self, input: &str, target: &str) -> Result> { [INFO] [stdout] | ------------------------------------------------------------------------------- this function returns a `Result` [INFO] [stdout] ... [INFO] [stdout] 108 | SolitaireMode::Sound => target.to_pinyin()?.plain().to_string(), [INFO] [stdout] | ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result, errors::Error>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result` [INFO] [stdout] --> src/solver/mod.rs:108:55 [INFO] [stdout] | [INFO] [stdout] 102 | pub fn solve_target(&mut self, input: &str, target: &str) -> Result> { [INFO] [stdout] | ------------------------------------------------------------------------------- this function returns a `Result` [INFO] [stdout] ... [INFO] [stdout] 108 | SolitaireMode::Sound => target.to_pinyin()?.plain().to_string(), [INFO] [stdout] | ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result, errors::Error>` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `idiom-solitaire` (lib test) due to 9 previous errors [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result` [INFO] [stdout] --> src/solver/mod.rs:110:95 [INFO] [stdout] | [INFO] [stdout] 102 | pub fn solve_target(&mut self, input: &str, target: &str) -> Result> { [INFO] [stdout] | ------------------------------------------------------------------------------- this function returns a `Result` [INFO] [stdout] ... [INFO] [stdout] 110 | let result = bfs(&first, |p| self.successors(p), |p| self.get_key(&p.idiom) == target)?; [INFO] [stdout] | ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result, errors::Error>` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result` [INFO] [stdout] --> src/solver/mod.rs:110:95 [INFO] [stdout] | [INFO] [stdout] 102 | pub fn solve_target(&mut self, input: &str, target: &str) -> Result> { [INFO] [stdout] | ------------------------------------------------------------------------------- this function returns a `Result` [INFO] [stdout] ... [INFO] [stdout] 110 | let result = bfs(&first, |p| self.successors(p), |p| self.get_key(&p.idiom) == target)?; [INFO] [stdout] | ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result, errors::Error>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result` [INFO] [stdout] --> src/solver/mod.rs:133:57 [INFO] [stdout] | [INFO] [stdout] 114 | pub fn solve_greedy(&mut self, input: &str) -> Result { [INFO] [stdout] | ------------------------------------------------------------ this function returns a `Result` [INFO] [stdout] ... [INFO] [stdout] 133 | let s = self.state.get_mut(&self.get_key(input))?; [INFO] [stdout] | ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result` [INFO] [stdout] --> src/solver/mod.rs:133:57 [INFO] [stdout] | [INFO] [stdout] 114 | pub fn solve_greedy(&mut self, input: &str) -> Result { [INFO] [stdout] | ------------------------------------------------------------ this function returns a `Result` [INFO] [stdout] ... [INFO] [stdout] 133 | let s = self.state.get_mut(&self.get_key(input))?; [INFO] [stdout] | ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0412, E0635. [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0412, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `idiom-solitaire` (lib) due to 9 previous errors [INFO] running `Command { std: "docker" "inspect" "50b115cdc315b78e9c11574fe4b7270650deab27b61f66aeffd200a5ff46f54f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50b115cdc315b78e9c11574fe4b7270650deab27b61f66aeffd200a5ff46f54f", kill_on_drop: false }` [INFO] [stdout] 50b115cdc315b78e9c11574fe4b7270650deab27b61f66aeffd200a5ff46f54f