[INFO] updating cached repository sirkibsirkib/mc_dummy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sirkibsirkib/mc_dummy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sirkibsirkib/mc_dummy" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sirkibsirkib/mc_dummy"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sirkibsirkib/mc_dummy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sirkibsirkib/mc_dummy" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sirkibsirkib/mc_dummy"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sirkibsirkib/mc_dummy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 482714e31f7071909367e56c7fe5600b272a8aa3
[INFO] sha for GitHub repo sirkibsirkib/mc_dummy: 482714e31f7071909367e56c7fe5600b272a8aa3
[INFO] validating manifest of sirkibsirkib/mc_dummy on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sirkibsirkib/mc_dummy on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sirkibsirkib/mc_dummy
[INFO] finished frobbing sirkibsirkib/mc_dummy
[INFO] frobbed toml for sirkibsirkib/mc_dummy written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sirkibsirkib/mc_dummy/Cargo.toml
[INFO] started frobbing sirkibsirkib/mc_dummy
[INFO] finished frobbing sirkibsirkib/mc_dummy
[INFO] frobbed toml for sirkibsirkib/mc_dummy written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sirkibsirkib/mc_dummy/Cargo.toml
[INFO] crate sirkibsirkib/mc_dummy has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sirkibsirkib/mc_dummy against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sirkibsirkib/mc_dummy:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] d1ae3da83e96a4ebd417e9a2d156df488f118fab410686e6ebf1ba75188889ff
[INFO] running `"docker" "start" "-a" "d1ae3da83e96a4ebd417e9a2d156df488f118fab410686e6ebf1ba75188889ff"`
[INFO] [stderr]    Compiling mc_dummy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `WritePlusPlus`
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     WritePlusPlus,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Position`
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     Position,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Clientward`
[INFO] [stderr]   --> src/mc_channel.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum Clientward {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Status`
[INFO] [stderr]   --> src/mc_channel.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Login, Status,
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CommandsOnly`
[INFO] [stderr]   --> src/mc_channel.rs:48:11
[INFO] [stderr]    |
[INFO] [stderr] 48 |     Enabled, CommandsOnly, Hidden
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hidden`
[INFO] [stderr]   --> src/mc_channel.rs:48:25
[INFO] [stderr]    |
[INFO] [stderr] 48 |     Enabled, CommandsOnly, Hidden
[INFO] [stderr]    |                            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]   --> src/mc_channel.rs:51:2
[INFO] [stderr]    |
[INFO] [stderr] 51 |     Left, Right,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `PayloadReader`
[INFO] [stderr]   --> src/main.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | type PayloadReader<'a> = BufReader<&'a [u8]>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_rel`
[INFO] [stderr]    --> src/main.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn move_rel(&mut self, x: f64, y: f64, z: f64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/mc_channel.rs:220:6
[INFO] [stderr]     |
[INFO] [stderr] 220 |         self.write_f64::<BigEndian>(x);
[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/mc_channel.rs:224:6
[INFO] [stderr]     |
[INFO] [stderr] 224 |         self.write_f32::<BigEndian>(x);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `"docker" "inspect" "d1ae3da83e96a4ebd417e9a2d156df488f118fab410686e6ebf1ba75188889ff"`
[INFO] running `"docker" "rm" "-f" "d1ae3da83e96a4ebd417e9a2d156df488f118fab410686e6ebf1ba75188889ff"`
[INFO] [stdout] d1ae3da83e96a4ebd417e9a2d156df488f118fab410686e6ebf1ba75188889ff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sirkibsirkib/mc_dummy:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 56a5e76252a39f6c6675264935b0a885bb31abc3d8696ac0869af500926f7a21
[INFO] running `"docker" "start" "-a" "56a5e76252a39f6c6675264935b0a885bb31abc3d8696ac0869af500926f7a21"`
[INFO] [stderr]    Compiling mc_dummy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `WritePlusPlus`
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     WritePlusPlus,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Position`
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     Position,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Clientward`
[INFO] [stderr]   --> src/mc_channel.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum Clientward {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Status`
[INFO] [stderr]   --> src/mc_channel.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Login, Status,
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CommandsOnly`
[INFO] [stderr]   --> src/mc_channel.rs:48:11
[INFO] [stderr]    |
[INFO] [stderr] 48 |     Enabled, CommandsOnly, Hidden
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hidden`
[INFO] [stderr]   --> src/mc_channel.rs:48:25
[INFO] [stderr]    |
[INFO] [stderr] 48 |     Enabled, CommandsOnly, Hidden
[INFO] [stderr]    |                            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]   --> src/mc_channel.rs:51:2
[INFO] [stderr]    |
[INFO] [stderr] 51 |     Left, Right,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `PayloadReader`
[INFO] [stderr]   --> src/main.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | type PayloadReader<'a> = BufReader<&'a [u8]>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_rel`
[INFO] [stderr]    --> src/main.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn move_rel(&mut self, x: f64, y: f64, z: f64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/mc_channel.rs:220:6
[INFO] [stderr]     |
[INFO] [stderr] 220 |         self.write_f64::<BigEndian>(x);
[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/mc_channel.rs:224:6
[INFO] [stderr]     |
[INFO] [stderr] 224 |         self.write_f32::<BigEndian>(x);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "56a5e76252a39f6c6675264935b0a885bb31abc3d8696ac0869af500926f7a21"`
[INFO] running `"docker" "rm" "-f" "56a5e76252a39f6c6675264935b0a885bb31abc3d8696ac0869af500926f7a21"`
[INFO] [stdout] 56a5e76252a39f6c6675264935b0a885bb31abc3d8696ac0869af500926f7a21
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sirkibsirkib/mc_dummy:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 2b7d20073c3f77ce2182db3fb1cb1f8a76c21dbcde4f3e1069536d2e3b6be4e8
[INFO] running `"docker" "start" "-a" "2b7d20073c3f77ce2182db3fb1cb1f8a76c21dbcde4f3e1069536d2e3b6be4e8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mc_dummy-13500b2b5a211b38
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2b7d20073c3f77ce2182db3fb1cb1f8a76c21dbcde4f3e1069536d2e3b6be4e8"`
[INFO] running `"docker" "rm" "-f" "2b7d20073c3f77ce2182db3fb1cb1f8a76c21dbcde4f3e1069536d2e3b6be4e8"`
[INFO] [stdout] 2b7d20073c3f77ce2182db3fb1cb1f8a76c21dbcde4f3e1069536d2e3b6be4e8