[INFO] updating cached repository xeals/subs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/xeals/subs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/xeals/subs" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/xeals/subs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/xeals/subs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xeals/subs" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/xeals/subs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/xeals/subs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 83b279cffd54da4d8feef9e8318ec89a86ce30fe
[INFO] sha for GitHub repo xeals/subs: 83b279cffd54da4d8feef9e8318ec89a86ce30fe
[INFO] validating manifest of xeals/subs on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of xeals/subs on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing xeals/subs
[INFO] removed path dependency sunk from xeals/subs
[INFO] finished frobbing xeals/subs
[INFO] frobbed toml for xeals/subs written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/xeals/subs/Cargo.toml
[INFO] started frobbing xeals/subs
[INFO] removed path dependency sunk from xeals/subs
[INFO] finished frobbing xeals/subs
[INFO] frobbed toml for xeals/subs written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/xeals/subs/Cargo.toml
[INFO] crate xeals/subs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/xeals/subs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking xeals/subs against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-4/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/xeals/subs:/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 97138eb3b4b3e1f8e07c407dfe82a37cafb4c2be351558af900dbcdd4b9068d9
[INFO] running `"docker" "start" "-a" "97138eb3b4b3e1f8e07c407dfe82a37cafb4c2be351558af900dbcdd4b9068d9"`
[INFO] [stderr] warning: dependency (sunk) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling gstreamer v0.10.2
[INFO] [stderr]     Checking muldiv v0.1.1
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling glib-sys v0.5.0
[INFO] [stderr]    Compiling gobject-sys v0.5.0
[INFO] [stderr]    Compiling gstreamer-sys v0.4.0
[INFO] [stderr]     Checking fern v0.5.8
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking tokio v0.1.20
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.1.3
[INFO] [stderr]    Compiling configure_derive v0.1.1
[INFO] [stderr]     Checking hyper v0.12.29
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking glib v0.4.1
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking structopt v0.1.7
[INFO] [stderr]     Checking ctrlc v3.1.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr] warning[E0596]: cannot borrow `**func` as mutable, as it is behind a `*const` pointer
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gstreamer-0.10.2/src/iterator.rs:439:8
[INFO] [stderr]     |
[INFO] [stderr] 435 |     let func = func as *const &mut (FnMut(T) -> bool);
[INFO] [stderr]     |         ---- help: consider changing this to be a mutable pointer: `*mut &mut dyn std::ops::FnMut(T) -> bool`
[INFO] [stderr] ...
[INFO] [stderr] 439 |     if (*func)(value) {
[INFO] [stderr]     |        ^^^^^^^ `func` is a `*const` pointer, so the data it refers to cannot be borrowed as mutable
[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] warning[E0596]: cannot borrow `**func` as mutable, as it is behind a `*const` pointer
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gstreamer-0.10.2/src/iterator.rs:455:5
[INFO] [stderr]     |
[INFO] [stderr] 451 |     let func = func as *const &mut (FnMut(T));
[INFO] [stderr]     |         ---- help: consider changing this to be a mutable pointer: `*mut &mut dyn std::ops::FnMut(T)`
[INFO] [stderr] ...
[INFO] [stderr] 455 |     (*func)(value);
[INFO] [stderr]     |     ^^^^^^^ `func` is a `*const` pointer, so the data it refers to cannot be borrowed as mutable
[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] warning[E0596]: cannot borrow `**func` as mutable, as it is behind a `*const` pointer
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gstreamer-0.10.2/src/iterator.rs:473:11
[INFO] [stderr]     |
[INFO] [stderr] 467 |     let func = func as *const &mut (FnMut(U, T) -> Result<U, U>);
[INFO] [stderr]     |         ---- help: consider changing this to be a mutable pointer: `*mut &mut dyn std::ops::FnMut(U, T) -> std::result::Result<U, U>`
[INFO] [stderr] ...
[INFO] [stderr] 473 |     match (*func)(accum.take().unwrap(), value) {
[INFO] [stderr]     |           ^^^^^^^ `func` is a `*const` pointer, so the data it refers to cannot be borrowed as mutable
[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]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking erased-serde v0.3.9
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking configure v0.1.1
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.17
[INFO] [stderr]     Checking sunk v0.1.2
[INFO] [stderr]     Checking subs v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Genre`
[INFO] [stderr]  --> src/daemon.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 | use sunk::{Client, Genre};
[INFO] [stderr]   |                    ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error::Error`
[INFO] [stderr]   --> src/player.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use error::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Genre`
[INFO] [stderr]  --> src/daemon.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 | use sunk::{Client, Genre};
[INFO] [stderr]   |                    ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error::Error`
[INFO] [stderr]   --> src/player.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use error::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/subcmd.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn load(name: String) -> Result { unimplemented!() }
[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: `number`
[INFO] [stderr]   --> src/subcmd.rs:93:19
[INFO] [stderr]    |
[INFO] [stderr] 93 | pub fn ls_artists(number: usize) -> Result {
[INFO] [stderr]    |                   ^^^^^^ help: consider prefixing with an underscore: `_number`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/player.rs:201:21
[INFO] [stderr]     |
[INFO] [stderr] 201 |                 let state = pipe.get_state(gst::CLOCK_TIME_NONE).1;
[INFO] [stderr]     |                     ^^^^^ help: consider prefixing with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/subcmd.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn load(name: String) -> Result { unimplemented!() }
[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: `number`
[INFO] [stderr]   --> src/subcmd.rs:93:19
[INFO] [stderr]    |
[INFO] [stderr] 93 | pub fn ls_artists(number: usize) -> Result {
[INFO] [stderr]    |                   ^^^^^^ help: consider prefixing with an underscore: `_number`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/player.rs:201:21
[INFO] [stderr]     |
[INFO] [stderr] 201 |                 let state = pipe.get_state(gst::CLOCK_TIME_NONE).1;
[INFO] [stderr]     |                     ^^^^^ help: consider prefixing with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cache_file`
[INFO] [stderr]   --> src/daemon.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     cache_file: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_next`
[INFO] [stderr]   --> src/queue.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn has_next(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cache_file`
[INFO] [stderr]   --> src/daemon.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     cache_file: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_next`
[INFO] [stderr]   --> src/queue.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn has_next(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `"docker" "inspect" "97138eb3b4b3e1f8e07c407dfe82a37cafb4c2be351558af900dbcdd4b9068d9"`
[INFO] running `"docker" "rm" "-f" "97138eb3b4b3e1f8e07c407dfe82a37cafb4c2be351558af900dbcdd4b9068d9"`
[INFO] [stdout] 97138eb3b4b3e1f8e07c407dfe82a37cafb4c2be351558af900dbcdd4b9068d9