[INFO] updating cached repository bungcip/rust-placebot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bungcip/rust-placebot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bungcip/rust-placebot" "work/ex/beta-1.38-1/sources/1.37.0/gh/bungcip/rust-placebot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bungcip/rust-placebot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bungcip/rust-placebot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bungcip/rust-placebot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bungcip/rust-placebot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d909cd5b476cb412ea0905296bda94d8092cbbe2
[INFO] sha for GitHub repo bungcip/rust-placebot: d909cd5b476cb412ea0905296bda94d8092cbbe2
[INFO] validating manifest of bungcip/rust-placebot on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bungcip/rust-placebot on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bungcip/rust-placebot
[INFO] finished frobbing bungcip/rust-placebot
[INFO] frobbed toml for bungcip/rust-placebot written to work/ex/beta-1.38-1/sources/1.37.0/gh/bungcip/rust-placebot/Cargo.toml
[INFO] started frobbing bungcip/rust-placebot
[INFO] finished frobbing bungcip/rust-placebot
[INFO] frobbed toml for bungcip/rust-placebot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bungcip/rust-placebot/Cargo.toml
[INFO] crate bungcip/rust-placebot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bungcip/rust-placebot against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bungcip/rust-placebot:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a5aea7c786b08b22a5677c24587a9b91219751a006acc02718b70dbe2c5ecde0
[INFO] running `"docker" "start" "-a" "a5aea7c786b08b22a5677c24587a9b91219751a006acc02718b70dbe2c5ecde0"`
[INFO] [stderr]    Compiling openssl v0.9.10
[INFO] [stderr]    Compiling lazy_static v0.2.6
[INFO] [stderr]    Compiling serde v0.9.12
[INFO] [stderr]    Compiling openssl-sys v0.9.10
[INFO] [stderr]    Compiling libflate v0.1.4
[INFO] [stderr]    Compiling bmp v0.2.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling hyper v0.10.5
[INFO] [stderr]    Compiling serde_derive v0.9.12
[INFO] [stderr]    Compiling native-tls v0.1.2
[INFO] [stderr]    Compiling hyper-native-tls v0.2.2
[INFO] [stderr]    Compiling serde_urlencoded v0.4.2
[INFO] [stderr]    Compiling serde_json v0.9.9
[INFO] [stderr]    Compiling toml v0.3.2
[INFO] [stderr]    Compiling reqwest v0.5.0
[INFO] [stderr]    Compiling rust-placebot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:355:17
[INFO] [stderr]     |
[INFO] [stderr] 355 |                 /// sleep 1000 ms
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 356 |                 let duration = std::time::Duration::from_millis(1000);
[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/main.rs:378:25
[INFO] [stderr]     |
[INFO] [stderr] 378 |                         /// continue for next job, not need to login again
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 379 |                         std::thread::sleep(Duration::from_millis(1000));
[INFO] [stderr]     |                         ----------------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:395:9
[INFO] [stderr]     |
[INFO] [stderr] 395 |         /// wait 
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr] 396 |         let wait_seconds = wait_seconds as u64;
[INFO] [stderr]     |         --------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:437:5
[INFO] [stderr]     |
[INFO] [stderr] 437 |       /// get target data
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 438 | /     let target = match load_target() {
[INFO] [stderr] 439 | |         Ok(target) => target,
[INFO] [stderr] 440 | |         Err(why) => {
[INFO] [stderr] 441 | |             println!("cannot open target.toml: {}", why.description());
[INFO] [stderr] 442 | |             return
[INFO] [stderr] 443 | |         }
[INFO] [stderr] 444 | |     };
[INFO] [stderr]     | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(box_syntax)]
[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/main.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 | /     error_chain! { 
[INFO] [stderr] 57 | |         // Automatic conversions between this error chain and other
[INFO] [stderr] 58 | |         // error chains. In this case, it will e.g. generate an
[INFO] [stderr] 59 | |         // `ErrorKind` variant called `Another` which in turn contains
[INFO] [stderr] ...  |
[INFO] [stderr] 90 | |         }        
[INFO] [stderr] 91 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning 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] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 | /     error_chain! { 
[INFO] [stderr] 57 | |         // Automatic conversions between this error chain and other
[INFO] [stderr] 58 | |         // error chains. In this case, it will e.g. generate an
[INFO] [stderr] 59 | |         // `ErrorKind` variant called `Another` which in turn contains
[INFO] [stderr] ...  |
[INFO] [stderr] 90 | |         }        
[INFO] [stderr] 91 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning 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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `rust-placebot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a5aea7c786b08b22a5677c24587a9b91219751a006acc02718b70dbe2c5ecde0"`
[INFO] running `"docker" "rm" "-f" "a5aea7c786b08b22a5677c24587a9b91219751a006acc02718b70dbe2c5ecde0"`
[INFO] [stdout] a5aea7c786b08b22a5677c24587a9b91219751a006acc02718b70dbe2c5ecde0