[INFO] updating cached repository logannc/valence
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/logannc/valence
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/logannc/valence" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/logannc/valence"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/logannc/valence'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/logannc/valence" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/logannc/valence"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/logannc/valence'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25508413302813b1624d80dff886ce3c0b257ab5
[INFO] sha for GitHub repo logannc/valence: 25508413302813b1624d80dff886ce3c0b257ab5
[INFO] validating manifest of logannc/valence on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of logannc/valence on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing logannc/valence
[INFO] finished frobbing logannc/valence
[INFO] frobbed toml for logannc/valence written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/logannc/valence/Cargo.toml
[INFO] started frobbing logannc/valence
[INFO] finished frobbing logannc/valence
[INFO] frobbed toml for logannc/valence written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/logannc/valence/Cargo.toml
[INFO] crate logannc/valence already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking logannc/valence against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/logannc/valence:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 835f9e04e8a958cee0a48d8baf6cdf089b4e0deff26a39434c905514c2552abd
[INFO] running `"docker" "start" "-a" "835f9e04e8a958cee0a48d8baf6cdf089b4e0deff26a39434c905514c2552abd"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking valence v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/client.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             Ok(())
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/network.rs:144:13
[INFO] [stderr]     |
[INFO] [stderr] 144 |             Ok(())
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/client.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             Ok(())
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/network.rs:144:13
[INFO] [stderr]     |
[INFO] [stderr] 144 |             Ok(())
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/network.rs:87:35
[INFO] [stderr]    |
[INFO] [stderr] 87 |                     .filter(|(&k, v)| k != ID)
[INFO] [stderr]    |                                   ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/network.rs:111:29
[INFO] [stderr]     |
[INFO] [stderr] 111 |         ClientMessage::Join(name) => Ok(()), // Ignore this misbehaving message.
[INFO] [stderr]     |                             ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/network.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |         Err(err) => Err(Error::from(ErrorKind::InvalidData)),
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/network.rs:87:35
[INFO] [stderr]    |
[INFO] [stderr] 87 |                     .filter(|(&k, v)| k != ID)
[INFO] [stderr]    |                                   ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/network.rs:111:29
[INFO] [stderr]     |
[INFO] [stderr] 111 |         ClientMessage::Join(name) => Ok(()), // Ignore this misbehaving message.
[INFO] [stderr]     |                             ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/network.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |         Err(err) => Err(Error::from(ErrorKind::InvalidData)),
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/client.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 std::io::stdin().read_line(&mut buf);
[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 `std::result::Result` that must be used
[INFO] [stderr]   --> src/network.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         peer.writer.start_send(serialized_msg.clone());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/network.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         peer.writer.poll_complete();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ID` should have a snake case name
[INFO] [stderr]   --> src/network.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 let ID = Uuid::new_v4();
[INFO] [stderr]    |                     ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ID` should have a snake case name
[INFO] [stderr]   --> src/network.rs:77:46
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn handle_client_message(msg: ClientMessage, ID: Uuid, peers: &mut Peers) -> Result<(), Error> {
[INFO] [stderr]    |                                              ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ID` should have a snake case name
[INFO] [stderr]    --> src/network.rs:115:34
[INFO] [stderr]     |
[INFO] [stderr] 115 | fn handle_frame(frame: BytesMut, ID: Uuid, mut peers: Peers) -> Result<(), Error> {
[INFO] [stderr]     |                                  ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/network.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |         peer.writer.poll_complete();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ID` should have a snake case name
[INFO] [stderr]    --> src/network.rs:126:22
[INFO] [stderr]     |
[INFO] [stderr] 126 | fn handle_disconnect(ID: Uuid, mut peers: Peers) -> Result<(), Error> {
[INFO] [stderr]     |                      ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/network.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         peer.writer.poll_complete();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ID` should have a snake case name
[INFO] [stderr]    --> src/network.rs:137:10
[INFO] [stderr]     |
[INFO] [stderr] 137 |     let (ID, framed_reader) = input;
[INFO] [stderr]     |          ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/client.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 std::io::stdin().read_line(&mut buf);
[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 `std::result::Result` that must be used
[INFO] [stderr]   --> src/network.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         peer.writer.start_send(serialized_msg.clone());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/network.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         peer.writer.poll_complete();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ID` should have a snake case name
[INFO] [stderr]   --> src/network.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 let ID = Uuid::new_v4();
[INFO] [stderr]    |                     ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ID` should have a snake case name
[INFO] [stderr]   --> src/network.rs:77:46
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn handle_client_message(msg: ClientMessage, ID: Uuid, peers: &mut Peers) -> Result<(), Error> {
[INFO] [stderr]    |                                              ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ID` should have a snake case name
[INFO] [stderr]    --> src/network.rs:115:34
[INFO] [stderr]     |
[INFO] [stderr] 115 | fn handle_frame(frame: BytesMut, ID: Uuid, mut peers: Peers) -> Result<(), Error> {
[INFO] [stderr]     |                                  ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/network.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |         peer.writer.poll_complete();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ID` should have a snake case name
[INFO] [stderr]    --> src/network.rs:126:22
[INFO] [stderr]     |
[INFO] [stderr] 126 | fn handle_disconnect(ID: Uuid, mut peers: Peers) -> Result<(), Error> {
[INFO] [stderr]     |                      ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/network.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         peer.writer.poll_complete();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ID` should have a snake case name
[INFO] [stderr]    --> src/network.rs:137:10
[INFO] [stderr]     |
[INFO] [stderr] 137 |     let (ID, framed_reader) = input;
[INFO] [stderr]     |          ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `"docker" "inspect" "835f9e04e8a958cee0a48d8baf6cdf089b4e0deff26a39434c905514c2552abd"`
[INFO] running `"docker" "rm" "-f" "835f9e04e8a958cee0a48d8baf6cdf089b4e0deff26a39434c905514c2552abd"`
[INFO] [stdout] 835f9e04e8a958cee0a48d8baf6cdf089b4e0deff26a39434c905514c2552abd