[INFO] updating cached repository whytheplatypus/musicbox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/whytheplatypus/musicbox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/whytheplatypus/musicbox" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/whytheplatypus/musicbox"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/whytheplatypus/musicbox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/whytheplatypus/musicbox" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/whytheplatypus/musicbox"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/whytheplatypus/musicbox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 49252eb4f1d8ed72d6d28d30beec56428ba0cdbf
[INFO] sha for GitHub repo whytheplatypus/musicbox: 49252eb4f1d8ed72d6d28d30beec56428ba0cdbf
[INFO] validating manifest of whytheplatypus/musicbox on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of whytheplatypus/musicbox on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing whytheplatypus/musicbox
[INFO] finished frobbing whytheplatypus/musicbox
[INFO] frobbed toml for whytheplatypus/musicbox written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/whytheplatypus/musicbox/Cargo.toml
[INFO] started frobbing whytheplatypus/musicbox
[INFO] finished frobbing whytheplatypus/musicbox
[INFO] frobbed toml for whytheplatypus/musicbox written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/whytheplatypus/musicbox/Cargo.toml
[INFO] crate whytheplatypus/musicbox already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking whytheplatypus/musicbox against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/whytheplatypus/musicbox:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f8f8c0dfef2ed0d5b8b4730de0894cedcd4084702c001f03857b62313274fd09
[INFO] running `"docker" "start" "-a" "f8f8c0dfef2ed0d5b8b4730de0894cedcd4084702c001f03857b62313274fd09"`
[INFO] [stderr]    Compiling librespot-protocol v0.1.0 (https://github.com/plietar/librespot#8971d3aa)
[INFO] [stderr]     Checking protobuf v1.4.2
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking error-chain v0.9.0
[INFO] [stderr]     Checking multimap v0.3.0
[INFO] [stderr]     Checking linear-map v1.2.0
[INFO] [stderr]     Checking getopts v0.2.15
[INFO] [stderr]    Compiling syntex_pos v0.58.1
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:33
[INFO] [stderr]      |
[INFO] [stderr] 978  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 982  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1033 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1034 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]      = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking alsa v0.0.1 (https://github.com/plietar/rust-alsa#8c63543f)
[INFO] [stderr]    Compiling rust-crypto v0.2.36 (https://github.com/awmath/rust-crypto.git?branch=avx2#394c2472)
[INFO] [stderr]    Compiling ogg-sys v0.0.9
[INFO] [stderr]    Compiling vorbis-sys v0.0.8
[INFO] [stderr]    Compiling vorbis-encoder v0.1.4
[INFO] [stderr]    Compiling vorbisfile-sys v0.0.8
[INFO] [stderr]     Checking shannon v0.2.0
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking dns-parser v0.3.2 (https://github.com/plietar/dns-parser#1d3e5a55)
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking rpassword v0.3.1
[INFO] [stderr]    Compiling syntex_errors v0.58.1
[INFO] [stderr]    Compiling vergen v0.1.1
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking mio-uds v0.6.4
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking tokio-signal v0.1.2
[INFO] [stderr]     Checking mdns v0.2.0 (https://github.com/plietar/rust-mdns#c0fc7350)
[INFO] [stderr]    Compiling syntex_syntax v0.58.1
[INFO] [stderr]     Checking hyper v0.11.6
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking vorbis v0.1.0
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]    Compiling syntex v0.58.1
[INFO] [stderr]    Compiling aster v0.41.0
[INFO] [stderr]    Compiling protobuf_macros v0.6.0 (https://github.com/plietar/rust-protobuf-macros#f186dc5a)
[INFO] [stderr]    Compiling librespot-core v0.1.0 (https://github.com/plietar/librespot#8971d3aa)
[INFO] [stderr]    Compiling librespot v0.1.0 (https://github.com/plietar/librespot#8971d3aa)
[INFO] [stderr]     Checking librespot-audio v0.1.0 (https://github.com/plietar/librespot#8971d3aa)
[INFO] [stderr]     Checking librespot-metadata v0.1.0 (https://github.com/plietar/librespot#8971d3aa)
[INFO] [stderr]     Checking musicbox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Track`
[INFO] [stderr]   --> src/main.rs:15:37
[INFO] [stderr]    |
[INFO] [stderr] 15 | use librespot::metadata::{Metadata, Track}; //Unused
[INFO] [stderr]    |                                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Metadata`
[INFO] [stderr]   --> src/main.rs:15:27
[INFO] [stderr]    |
[INFO] [stderr] 15 | use librespot::metadata::{Metadata, Track}; //Unused
[INFO] [stderr]    |                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |             Ok(n) => {
[INFO] [stderr]    |                ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Track`
[INFO] [stderr]   --> src/main.rs:15:37
[INFO] [stderr]    |
[INFO] [stderr] 15 | use librespot::metadata::{Metadata, Track}; //Unused
[INFO] [stderr]    |                                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Metadata`
[INFO] [stderr]   --> src/main.rs:15:27
[INFO] [stderr]    |
[INFO] [stderr] 15 | use librespot::metadata::{Metadata, Track}; //Unused
[INFO] [stderr]    |                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |             Ok(n) => {
[INFO] [stderr]    |                ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `"docker" "inspect" "f8f8c0dfef2ed0d5b8b4730de0894cedcd4084702c001f03857b62313274fd09"`
[INFO] running `"docker" "rm" "-f" "f8f8c0dfef2ed0d5b8b4730de0894cedcd4084702c001f03857b62313274fd09"`
[INFO] [stdout] f8f8c0dfef2ed0d5b8b4730de0894cedcd4084702c001f03857b62313274fd09