[INFO] fetching crate idiom-solitaire 0.1.0... [INFO] checking idiom-solitaire-0.1.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] extracting crate idiom-solitaire 0.1.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate idiom-solitaire 0.1.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pinyin v0.8.0 [INFO] [stderr] Downloaded pathfinding v2.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ca85f3314e6c461629dcef41a709637a526228d6a92a085ea80c1b29533d6512 [INFO] running `Command { std: "docker" "start" "-a" "ca85f3314e6c461629dcef41a709637a526228d6a92a085ea80c1b29533d6512", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca85f3314e6c461629dcef41a709637a526228d6a92a085ea80c1b29533d6512", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca85f3314e6c461629dcef41a709637a526228d6a92a085ea80c1b29533d6512", kill_on_drop: false }` [INFO] [stdout] ca85f3314e6c461629dcef41a709637a526228d6a92a085ea80c1b29533d6512 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e1267d3e2f038e85a4b810a70d12588b749f4bca749530a77543f6b125169bf7 [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" "e1267d3e2f038e85a4b810a70d12588b749f4bca749530a77543f6b125169bf7", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo. [INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously. [INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html [INFO] [stderr] When building the following dependencies, the given features will no longer be used: [INFO] [stderr] [INFO] [stderr] syn v1.0.75 (as host dependency): full, visit [INFO] [stderr] [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling pinyin v0.8.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking fixedbitset v0.4.0 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_pcg v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking integer-sqrt v0.1.5 [INFO] [stderr] Checking pathfinding v2.2.1 [INFO] [stderr] Compiling serde_derive v1.0.128 [INFO] [stderr] Checking serde v1.0.128 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking idiom-solitaire v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [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] | ~~~~~~~~~~~~ [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(_: crate::Error) -> Self { [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] 92 | | if let Some(s) = self.state.get_mut(&self.get_key(input)) { [INFO] [stdout] 93 | | if s.is_empty() { [INFO] [stdout] 94 | | return Err(SolitaireNotFound); [INFO] [stdout] 95 | | } [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] 99 | | Err(SolitaireNotFound) [INFO] [stdout] 100 | | } [INFO] [stdout] | |_____- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::result::Result` [INFO] [stdout] note: required by `from_residual` [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] 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] 105 | | let target = match self.mode { [INFO] [stdout] ... | [INFO] [stdout] 111 | | Ok(result) [INFO] [stdout] 112 | | } [INFO] [stdout] | |_____- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::result::Result, errors::Error>` [INFO] [stdout] note: required by `from_residual` [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] 103 | | let first = Idiom::from(input); [INFO] [stdout] 104 | | let target = target.chars().next()?; [INFO] [stdout] 105 | | let target = match self.mode { [INFO] [stdout] 106 | | SolitaireMode::Character => target.to_string(), [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] 111 | | Ok(result) [INFO] [stdout] 112 | | } [INFO] [stdout] | |_____- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::result::Result, errors::Error>` [INFO] [stdout] note: required by `from_residual` [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] 103 | | let first = Idiom::from(input); [INFO] [stdout] 104 | | let target = target.chars().next()?; [INFO] [stdout] 105 | | let target = match self.mode { [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] 111 | | Ok(result) [INFO] [stdout] 112 | | } [INFO] [stdout] | |_____- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::result::Result, errors::Error>` [INFO] [stdout] note: required by `from_residual` [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:110:95 [INFO] [stdout] | [INFO] [stdout] 102 | / pub fn solve_target(&mut self, input: &str, target: &str) -> Result> { [INFO] [stdout] 103 | | let first = Idiom::from(input); [INFO] [stdout] 104 | | let target = target.chars().next()?; [INFO] [stdout] 105 | | let target = match self.mode { [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] 111 | | Ok(result) [INFO] [stdout] 112 | | } [INFO] [stdout] | |_____- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::result::Result, errors::Error>` [INFO] [stdout] note: required by `from_residual` [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] 115 | | let s = match self.state.get(&self.get_key(input)) { [INFO] [stdout] 116 | | Some(s) => s, [INFO] [stdout] 117 | | None => return Err(SolitaireNotFound), [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] 134 | | return Ok(s.swap_remove(max)); [INFO] [stdout] 135 | | } [INFO] [stdout] | |_____- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::result::Result` [INFO] [stdout] note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0412. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `idiom-solitaire` due to 9 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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] | ~~~~~~~~~~~~ [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(_: crate::Error) -> Self { [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] 92 | | if let Some(s) = self.state.get_mut(&self.get_key(input)) { [INFO] [stdout] 93 | | if s.is_empty() { [INFO] [stdout] 94 | | return Err(SolitaireNotFound); [INFO] [stdout] 95 | | } [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] 99 | | Err(SolitaireNotFound) [INFO] [stdout] 100 | | } [INFO] [stdout] | |_____- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::result::Result` [INFO] [stdout] note: required by `from_residual` [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] 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] 105 | | let target = match self.mode { [INFO] [stdout] ... | [INFO] [stdout] 111 | | Ok(result) [INFO] [stdout] 112 | | } [INFO] [stdout] | |_____- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::result::Result, errors::Error>` [INFO] [stdout] note: required by `from_residual` [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] 103 | | let first = Idiom::from(input); [INFO] [stdout] 104 | | let target = target.chars().next()?; [INFO] [stdout] 105 | | let target = match self.mode { [INFO] [stdout] 106 | | SolitaireMode::Character => target.to_string(), [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] 111 | | Ok(result) [INFO] [stdout] 112 | | } [INFO] [stdout] | |_____- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::result::Result, errors::Error>` [INFO] [stdout] note: required by `from_residual` [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] 103 | | let first = Idiom::from(input); [INFO] [stdout] 104 | | let target = target.chars().next()?; [INFO] [stdout] 105 | | let target = match self.mode { [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] 111 | | Ok(result) [INFO] [stdout] 112 | | } [INFO] [stdout] | |_____- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::result::Result, errors::Error>` [INFO] [stdout] note: required by `from_residual` [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:110:95 [INFO] [stdout] | [INFO] [stdout] 102 | / pub fn solve_target(&mut self, input: &str, target: &str) -> Result> { [INFO] [stdout] 103 | | let first = Idiom::from(input); [INFO] [stdout] 104 | | let target = target.chars().next()?; [INFO] [stdout] 105 | | let target = match self.mode { [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] 111 | | Ok(result) [INFO] [stdout] 112 | | } [INFO] [stdout] | |_____- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::result::Result, errors::Error>` [INFO] [stdout] note: required by `from_residual` [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] 115 | | let s = match self.state.get(&self.get_key(input)) { [INFO] [stdout] 116 | | Some(s) => s, [INFO] [stdout] 117 | | None => return Err(SolitaireNotFound), [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] 134 | | return Ok(s.swap_remove(max)); [INFO] [stdout] 135 | | } [INFO] [stdout] | |_____- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::result::Result` [INFO] [stdout] note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0412. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] [stderr] error: failed to migrate to next edition [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "e1267d3e2f038e85a4b810a70d12588b749f4bca749530a77543f6b125169bf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1267d3e2f038e85a4b810a70d12588b749f4bca749530a77543f6b125169bf7", kill_on_drop: false }` [INFO] [stdout] e1267d3e2f038e85a4b810a70d12588b749f4bca749530a77543f6b125169bf7