[INFO] crate ferru 0.4.0 is already in cache [INFO] extracting crate ferru 0.4.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/ferru/0.4.0 [INFO] extracting crate ferru 0.4.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/ferru/0.4.0 [INFO] validating manifest of ferru-0.4.0 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ferru-0.4.0 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ferru-0.4.0 [INFO] finished frobbing ferru-0.4.0 [INFO] frobbed toml for ferru-0.4.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/ferru/0.4.0/Cargo.toml [INFO] started frobbing ferru-0.4.0 [INFO] finished frobbing ferru-0.4.0 [INFO] frobbed toml for ferru-0.4.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/ferru/0.4.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking ferru-0.4.0 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/ferru/0.4.0:/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=forbid" "-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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] deedcce4486b969b5f6ea8c99892820ad15cfe18d7d45c972915555321a7ff59 [INFO] running `"docker" "start" "-a" "deedcce4486b969b5f6ea8c99892820ad15cfe18d7d45c972915555321a7ff59"` [INFO] [stderr] Checking mustache v0.7.0 [INFO] [stderr] Checking ferru v0.4.0 (/opt/crater/workdir) [INFO] [stderr] error[E0432]: unresolved import `parser::yaml_rust` [INFO] [stderr] --> src/parser/mod.rs:59:17 [INFO] [stderr] | [INFO] [stderr] 59 | use parser::yaml_rust::Yaml; [INFO] [stderr] | ^^^^^^^^^ could not find `yaml_rust` in `parser` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:108:32 [INFO] [stderr] | [INFO] [stderr] 108 | fn cause(&self) -> Option<&StdError> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/error.rs:41:32 [INFO] [stderr] | [INFO] [stderr] 41 | fn cause(&self) -> Option<&StdError> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/error.rs:110:40 [INFO] [stderr] | [INFO] [stderr] 110 | Error::IoError(ref e) => e.cause(), [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/error.rs:111:46 [INFO] [stderr] | [INFO] [stderr] 111 | Error::MustacheError(ref e) => e.cause(), [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/error.rs:112:44 [INFO] [stderr] | [INFO] [stderr] 112 | Error::ParserError(ref e) => e.cause(), [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/error.rs:113:49 [INFO] [stderr] | [INFO] [stderr] 113 | Error::StripPrefixError(ref e) => e.cause(), [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:108:32 [INFO] [stderr] | [INFO] [stderr] 108 | fn cause(&self) -> Option<&StdError> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser/error.rs:41:32 [INFO] [stderr] | [INFO] [stderr] 41 | fn cause(&self) -> Option<&StdError> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stderr] [INFO] [stderr] error[E0599]: no variant or associated item named `InvalidHeaderFormat` found for type `parser::error::Error` in the current scope [INFO] [stderr] --> src/parser/mod.rs:65:24 [INFO] [stderr] | [INFO] [stderr] 65 | Err(Error::InvalidHeaderFormat("a".to_owned())) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ variant or associated item not found in `parser::error::Error` [INFO] [stderr] | [INFO] [stderr] ::: src/parser/error.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | pub enum Error { [INFO] [stderr] | -------------- variant or associated item `InvalidHeaderFormat` not found here [INFO] [stderr] [INFO] [stderr] error[E0599]: no variant or associated item named `InvalidHeaderFormat` found for type `parser::error::Error` in the current scope [INFO] [stderr] --> src/parser/mod.rs:69:24 [INFO] [stderr] | [INFO] [stderr] 69 | Err(Error::InvalidHeaderFormat("a ".to_owned())) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ variant or associated item not found in `parser::error::Error` [INFO] [stderr] | [INFO] [stderr] ::: src/parser/error.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | pub enum Error { [INFO] [stderr] | -------------- variant or associated item `InvalidHeaderFormat` not found here [INFO] [stderr] [INFO] [stderr] error[E0599]: no variant or associated item named `InvalidHeaderKey` found for type `parser::error::Error` in the current scope [INFO] [stderr] --> src/parser/mod.rs:73:24 [INFO] [stderr] | [INFO] [stderr] 73 | Err(Error::InvalidHeaderKey(Yaml::Null)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ variant or associated item not found in `parser::error::Error` [INFO] [stderr] | [INFO] [stderr] ::: src/parser/error.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | pub enum Error { [INFO] [stderr] | -------------- variant or associated item `InvalidHeaderKey` not found here [INFO] [stderr] [INFO] [stderr] error[E0599]: no variant or associated item named `InvalidHeaderKey` found for type `parser::error::Error` in the current scope [INFO] [stderr] --> src/parser/mod.rs:77:24 [INFO] [stderr] | [INFO] [stderr] 77 | Err(Error::InvalidHeaderKey(Yaml::Null)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ variant or associated item not found in `parser::error::Error` [INFO] [stderr] | [INFO] [stderr] ::: src/parser/error.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | pub enum Error { [INFO] [stderr] | -------------- variant or associated item `InvalidHeaderKey` not found here [INFO] [stderr] [INFO] [stderr] error[E0599]: no variant or associated item named `InvalidHeaderFormat` found for type `parser::error::Error` in the current scope [INFO] [stderr] --> src/parser/mod.rs:81:24 [INFO] [stderr] | [INFO] [stderr] 81 | Err(Error::InvalidHeaderFormat("title:sometitle".to_owned())) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ variant or associated item not found in `parser::error::Error` [INFO] [stderr] | [INFO] [stderr] ::: src/parser/error.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | pub enum Error { [INFO] [stderr] | -------------- variant or associated item `InvalidHeaderFormat` not found here [INFO] [stderr] [INFO] [stderr] error[E0599]: no variant or associated item named `InvalidHeaderKey` found for type `parser::error::Error` in the current scope [INFO] [stderr] --> src/parser/mod.rs:85:24 [INFO] [stderr] | [INFO] [stderr] 85 | Err(Error::InvalidHeaderKey(Yaml::Integer(1234))) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ variant or associated item not found in `parser::error::Error` [INFO] [stderr] | [INFO] [stderr] ::: src/parser/error.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | pub enum Error { [INFO] [stderr] | -------------- variant or associated item `InvalidHeaderKey` not found here [INFO] [stderr] [INFO] [stderr] error[E0599]: no variant or associated item named `InvalidHeaderValue` found for type `parser::error::Error` in the current scope [INFO] [stderr] --> src/parser/mod.rs:93:24 [INFO] [stderr] | [INFO] [stderr] 93 | Err(Error::InvalidHeaderValue(Yaml::Null)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ variant or associated item not found in `parser::error::Error` [INFO] [stderr] | [INFO] [stderr] ::: src/parser/error.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | pub enum Error { [INFO] [stderr] | -------------- variant or associated item `InvalidHeaderValue` not found here [INFO] [stderr] [INFO] [stderr] error[E0599]: no variant or associated item named `InvalidHeaderValue` found for type `parser::error::Error` in the current scope [INFO] [stderr] --> src/parser/mod.rs:97:24 [INFO] [stderr] | [INFO] [stderr] 97 | Err(Error::InvalidHeaderValue(Yaml::Null)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ variant or associated item not found in `parser::error::Error` [INFO] [stderr] | [INFO] [stderr] ::: src/parser/error.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | pub enum Error { [INFO] [stderr] | -------------- variant or associated item `InvalidHeaderValue` not found here [INFO] [stderr] [INFO] [stderr] error[E0599]: no variant or associated item named `InvalidHeaderValue` found for type `parser::error::Error` in the current scope [INFO] [stderr] --> src/parser/mod.rs:101:24 [INFO] [stderr] | [INFO] [stderr] 101 | Err(Error::InvalidHeaderValue(Yaml::Integer(1234))) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ variant or associated item not found in `parser::error::Error` [INFO] [stderr] | [INFO] [stderr] ::: src/parser/error.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | pub enum Error { [INFO] [stderr] | -------------- variant or associated item `InvalidHeaderValue` not found here [INFO] [stderr] [INFO] [stderr] error[E0277]: can't compare `std::result::Result, parser::error::Error>` with `std::result::Result, _>` [INFO] [stderr] --> src/parser/mod.rs:114:9 [INFO] [stderr] | [INFO] [stderr] 114 | assert_eq!(&parse_header("title: sometitle\ndate: 2014-01-01"), &map); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `std::result::Result, parser::error::Error> == std::result::Result, _>` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::cmp::PartialEq, _>>` is not implemented for `std::result::Result, parser::error::Error>` [INFO] [stderr] = note: required because of the requirements on the impl of `std::cmp::PartialEq<&std::result::Result, _>>` for `&std::result::Result, parser::error::Error>` [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0277]: can't compare `std::result::Result, parser::error::Error>` with `std::result::Result, _>` [INFO] [stderr] --> src/parser/mod.rs:115:9 [INFO] [stderr] | [INFO] [stderr] 115 | assert_eq!(&parse_header("title: sometitle\ndate: 2014-01-01\n"), &map); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `std::result::Result, parser::error::Error> == std::result::Result, _>` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::cmp::PartialEq, _>>` is not implemented for `std::result::Result, parser::error::Error>` [INFO] [stderr] = note: required because of the requirements on the impl of `std::cmp::PartialEq<&std::result::Result, _>>` for `&std::result::Result, parser::error::Error>` [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/parser/mod.rs:120:57 [INFO] [stderr] | [INFO] [stderr] 120 | assert_eq!(parse_document(""), Ok(Document::new(HashMap::new(), ""))); [INFO] [stderr] | ^^^^^^^^^^^^^^ expected struct `std::collections::BTreeMap`, found struct `std::collections::HashMap` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::collections::BTreeMap` [INFO] [stderr] found type `std::collections::HashMap<_, _>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/parser/mod.rs:125:62 [INFO] [stderr] | [INFO] [stderr] 125 | assert_eq!(parse_document("---\n"), Ok(Document::new(HashMap::new(), ""))); [INFO] [stderr] | ^^^^^^^^^^^^^^ expected struct `std::collections::BTreeMap`, found struct `std::collections::HashMap` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::collections::BTreeMap` [INFO] [stderr] found type `std::collections::HashMap<_, _>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/parser/mod.rs:126:64 [INFO] [stderr] | [INFO] [stderr] 126 | assert_eq!(parse_document("\n---\n"), Ok(Document::new(HashMap::new(), ""))); [INFO] [stderr] | ^^^^^^^^^^^^^^ expected struct `std::collections::BTreeMap`, found struct `std::collections::HashMap` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::collections::BTreeMap` [INFO] [stderr] found type `std::collections::HashMap<_, _>` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/error.rs:110:40 [INFO] [stderr] | [INFO] [stderr] 110 | Error::IoError(ref e) => e.cause(), [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/error.rs:111:46 [INFO] [stderr] | [INFO] [stderr] 111 | Error::MustacheError(ref e) => e.cause(), [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/error.rs:112:44 [INFO] [stderr] | [INFO] [stderr] 112 | Error::ParserError(ref e) => e.cause(), [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/error.rs:113:49 [INFO] [stderr] | [INFO] [stderr] 113 | Error::StripPrefixError(ref e) => e.cause(), [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/parser/mod.rs:127:63 [INFO] [stderr] | [INFO] [stderr] 127 | assert_eq!(parse_document(" ---\n"), Ok(Document::new(HashMap::new(), ""))); [INFO] [stderr] | ^^^^^^^^^^^^^^ expected struct `std::collections::BTreeMap`, found struct `std::collections::HashMap` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::collections::BTreeMap` [INFO] [stderr] found type `std::collections::HashMap<_, _>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/parser/mod.rs:132:81 [INFO] [stderr] | [INFO] [stderr] 132 | assert_eq!(parse_document("---\nsome random content"), Ok(Document::new(HashMap::new(), "some random content"))); [INFO] [stderr] | ^^^^^^^^^^^^^^ expected struct `std::collections::BTreeMap`, found struct `std::collections::HashMap` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::collections::BTreeMap` [INFO] [stderr] found type `std::collections::HashMap<_, _>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/parser/mod.rs:133:83 [INFO] [stderr] | [INFO] [stderr] 133 | assert_eq!(parse_document("\n---\nsome random content"), Ok(Document::new(HashMap::new(), "some random content"))); [INFO] [stderr] | ^^^^^^^^^^^^^^ expected struct `std::collections::BTreeMap`, found struct `std::collections::HashMap` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::collections::BTreeMap` [INFO] [stderr] found type `std::collections::HashMap<_, _>` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/parser/error.rs:43:43 [INFO] [stderr] | [INFO] [stderr] 43 | Error::SerdeError(ref e) => e.cause(), [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/parser/mod.rs:134:82 [INFO] [stderr] | [INFO] [stderr] 134 | assert_eq!(parse_document(" ---\nsome random content"), Ok(Document::new(HashMap::new(), "some random content"))); [INFO] [stderr] | ^^^^^^^^^^^^^^ expected struct `std::collections::BTreeMap`, found struct `std::collections::HashMap` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::collections::BTreeMap` [INFO] [stderr] found type `std::collections::HashMap<_, _>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/parser/mod.rs:145:79 [INFO] [stderr] | [INFO] [stderr] 145 | assert_eq!(parse_document("title: my title\n---\n"), Ok(Document::new(header, ""))); [INFO] [stderr] | ^^^^^^ expected struct `std::collections::BTreeMap`, found struct `std::collections::HashMap` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::collections::BTreeMap` [INFO] [stderr] found type `std::collections::HashMap` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/parser/mod.rs:159:34 [INFO] [stderr] | [INFO] [stderr] 159 | let post = Document::new(header, "this is a post.\nwith multiple lines!"); [INFO] [stderr] | ^^^^^^ expected struct `std::collections::BTreeMap`, found struct `std::collections::HashMap` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::collections::BTreeMap` [INFO] [stderr] found type `std::collections::HashMap` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/parser/error.rs:43:43 [INFO] [stderr] | [INFO] [stderr] 43 | Error::SerdeError(ref e) => e.cause(), [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 21 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0277, E0308, E0432, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: Could not compile `ferru`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "deedcce4486b969b5f6ea8c99892820ad15cfe18d7d45c972915555321a7ff59"` [INFO] running `"docker" "rm" "-f" "deedcce4486b969b5f6ea8c99892820ad15cfe18d7d45c972915555321a7ff59"` [INFO] [stdout] deedcce4486b969b5f6ea8c99892820ad15cfe18d7d45c972915555321a7ff59