[INFO] crate ferru 0.4.0 is already in cache
[INFO] checking ferru-0.4.0 against beta-2019-10-27 for pr-65897
[INFO] extracting crate ferru 0.4.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate ferru 0.4.0 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ferru 0.4.0
[INFO] finished tweaking crates.io crate ferru 0.4.0
[INFO] tweaked toml for crates.io crate ferru 0.4.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c41e35c6732654f3e633016cd8aec5b28cd6218e99a21e91d26495f39b184d12
[INFO] running `"docker" "start" "-a" "c41e35c6732654f3e633016cd8aec5b28cd6218e99a21e91d26495f39b184d12"`
[INFO] [stderr]     Checking mustache v0.7.0
[INFO] [stderr]     Checking ferru v0.4.0 (/opt/rustwide/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] 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<std::collections::BTreeMap<std::string::String, std::string::String>, parser::error::Error>` with `std::result::Result<std::collections::HashMap<std::string::String, std::string::String>, _>`
[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<std::collections::BTreeMap<std::string::String, std::string::String>, parser::error::Error> == std::result::Result<std::collections::HashMap<std::string::String, std::string::String>, _>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::cmp::PartialEq<std::result::Result<std::collections::HashMap<std::string::String, std::string::String>, _>>` is not implemented for `std::result::Result<std::collections::BTreeMap<std::string::String, std::string::String>, parser::error::Error>`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::cmp::PartialEq<&std::result::Result<std::collections::HashMap<std::string::String, std::string::String>, _>>` for `&std::result::Result<std::collections::BTreeMap<std::string::String, std::string::String>, 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<std::collections::BTreeMap<std::string::String, std::string::String>, parser::error::Error>` with `std::result::Result<std::collections::HashMap<std::string::String, std::string::String>, _>`
[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<std::collections::BTreeMap<std::string::String, std::string::String>, parser::error::Error> == std::result::Result<std::collections::HashMap<std::string::String, std::string::String>, _>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::cmp::PartialEq<std::result::Result<std::collections::HashMap<std::string::String, std::string::String>, _>>` is not implemented for `std::result::Result<std::collections::BTreeMap<std::string::String, std::string::String>, parser::error::Error>`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::cmp::PartialEq<&std::result::Result<std::collections::HashMap<std::string::String, std::string::String>, _>>` for `&std::result::Result<std::collections::BTreeMap<std::string::String, std::string::String>, 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<std::string::String, std::string::String>`
[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<std::string::String, std::string::String>`
[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<std::string::String, std::string::String>`
[INFO] [stderr]                found type `std::collections::HashMap<_, _>`
[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<std::string::String, std::string::String>`
[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<std::string::String, std::string::String>`
[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<std::string::String, std::string::String>`
[INFO] [stderr]                found type `std::collections::HashMap<_, _>`
[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<std::string::String, std::string::String>`
[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<std::string::String, std::string::String>`
[INFO] [stderr]                found type `std::collections::HashMap<std::string::String, std::string::String>`
[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<std::string::String, std::string::String>`
[INFO] [stderr]                found type `std::collections::HashMap<std::string::String, std::string::String>`
[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" "c41e35c6732654f3e633016cd8aec5b28cd6218e99a21e91d26495f39b184d12"`
[INFO] running `"docker" "rm" "-f" "c41e35c6732654f3e633016cd8aec5b28cd6218e99a21e91d26495f39b184d12"`
[INFO] [stdout] c41e35c6732654f3e633016cd8aec5b28cd6218e99a21e91d26495f39b184d12