[INFO] updating cached repository kespindler/playlog-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kespindler/playlog-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kespindler/playlog-rs" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/kespindler/playlog-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/kespindler/playlog-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kespindler/playlog-rs" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/kespindler/playlog-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/kespindler/playlog-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a1a5755b472baa14f9632f268544eb13f6714ed1
[INFO] sha for GitHub repo kespindler/playlog-rs: a1a5755b472baa14f9632f268544eb13f6714ed1
[INFO] validating manifest of kespindler/playlog-rs on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kespindler/playlog-rs on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kespindler/playlog-rs
[INFO] finished frobbing kespindler/playlog-rs
[INFO] frobbed toml for kespindler/playlog-rs written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/kespindler/playlog-rs/Cargo.toml
[INFO] started frobbing kespindler/playlog-rs
[INFO] finished frobbing kespindler/playlog-rs
[INFO] frobbed toml for kespindler/playlog-rs written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/kespindler/playlog-rs/Cargo.toml
[INFO] crate kespindler/playlog-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kespindler/playlog-rs against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-4/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/kespindler/playlog-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 208e3cc548a71502be9bf01c6cac782b74fb33d05b52e4825242b250b796f00b
[INFO] running `"docker" "start" "-a" "208e3cc548a71502be9bf01c6cac782b74fb33d05b52e4825242b250b796f00b"`
[INFO] [stderr]     Checking chrono v0.4.4
[INFO] [stderr]     Checking playlog v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/json_handler.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     /// Copied from slog-rs/bunyan
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 18 |     let mut buf = vec!(0u8; 256);
[INFO] [stderr]    |     ----------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/lib.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | /     /// This is a stand-in for now,
[INFO] [stderr] 21 | |     /// but this should be controlled similar to env_logger,
[INFO] [stderr] 22 | |     /// or maybe support other methods for logging control.
[INFO] [stderr]    | |___________________________________________________________^
[INFO] [stderr] 23 |       // TODO implement
[INFO] [stderr] 24 |       Level::Info
[INFO] [stderr]    |       ----------- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/lib.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | /     /// This is a stand-in for now, but
[INFO] [stderr] 37 | |     /// eventually we'd have methods to register handlers
[INFO] [stderr] 38 | |     /// for any particular name.
[INFO] [stderr]    | |________________________________^
[INFO] [stderr] 39 |       // TODO implement
[INFO] [stderr] 40 | /     let v = vec!{
[INFO] [stderr] 41 | |         DEFAULT_HANDLER,
[INFO] [stderr] 42 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/json_handler.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     /// Copied from slog-rs/bunyan
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 18 |     let mut buf = vec!(0u8; 256);
[INFO] [stderr]    |     ----------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/lib.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | /     /// This is a stand-in for now,
[INFO] [stderr] 21 | |     /// but this should be controlled similar to env_logger,
[INFO] [stderr] 22 | |     /// or maybe support other methods for logging control.
[INFO] [stderr]    | |___________________________________________________________^
[INFO] [stderr] 23 |       // TODO implement
[INFO] [stderr] 24 |       Level::Info
[INFO] [stderr]    |       ----------- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/lib.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | /     /// This is a stand-in for now, but
[INFO] [stderr] 37 | |     /// eventually we'd have methods to register handlers
[INFO] [stderr] 38 | |     /// for any particular name.
[INFO] [stderr]    | |________________________________^
[INFO] [stderr] 39 |       // TODO implement
[INFO] [stderr] 40 | /     let v = vec!{
[INFO] [stderr] 41 | |         DEFAULT_HANDLER,
[INFO] [stderr] 42 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | / macro_rules! log {
[INFO] [stderr] 65 | |     ( $name:expr, $level:expr, $message:expr, $args:expr ) => {
[INFO] [stderr] 66 | |         {
[INFO] [stderr] 67 | |             if __get_log_level($name) >= $level {
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |     };
[INFO] [stderr] 80 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/lib.rs:19:20
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn __get_log_level(name: &str) -> Level {
[INFO] [stderr]    |                    ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/lib.rs:35:23
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn __get_log_handlers(name: &str) -> Vec<impl Handler> {
[INFO] [stderr]    |                       ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/map.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `JsonHandler`
[INFO] [stderr]   --> src/json_handler.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct JsonHandler {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DEFAULT_HANDLER`
[INFO] [stderr]   --> src/lib.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | / const DEFAULT_HANDLER: JsonHandler = JsonHandler{
[INFO] [stderr] 29 | |     /// Stand-in for now. We do want a sane default, but
[INFO] [stderr] 30 | |     /// Json is probably not that sane default.
[INFO] [stderr] 31 | |     pretty_print: true
[INFO] [stderr] 32 | | };
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/json_handler.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         stdout().write(s.as_bytes());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/lib.rs:19:20
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn __get_log_level(name: &str) -> Level {
[INFO] [stderr]    |                    ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/lib.rs:35:23
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn __get_log_handlers(name: &str) -> Vec<impl Handler> {
[INFO] [stderr]    |                       ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]   --> src/map.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     #[macro_use]
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_attributes)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/json_handler.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         stdout().write(s.as_bytes());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]    --> src/lib.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     #[macro_use]
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `"docker" "inspect" "208e3cc548a71502be9bf01c6cac782b74fb33d05b52e4825242b250b796f00b"`
[INFO] running `"docker" "rm" "-f" "208e3cc548a71502be9bf01c6cac782b74fb33d05b52e4825242b250b796f00b"`
[INFO] [stdout] 208e3cc548a71502be9bf01c6cac782b74fb33d05b52e4825242b250b796f00b