[INFO] cloning repository https://github.com/ExcaliburZero/dqmj1_save_editor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ExcaliburZero/dqmj1_save_editor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExcaliburZero%2Fdqmj1_save_editor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExcaliburZero%2Fdqmj1_save_editor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 013b80f746842a084a82c62199feaf1ad474b111
[INFO] checking ExcaliburZero/dqmj1_save_editor against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExcaliburZero%2Fdqmj1_save_editor" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ExcaliburZero/dqmj1_save_editor
[INFO] finished tweaking git repo https://github.com/ExcaliburZero/dqmj1_save_editor
[INFO] tweaked toml for git repo https://github.com/ExcaliburZero/dqmj1_save_editor written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ExcaliburZero/dqmj1_save_editor on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ExcaliburZero/dqmj1_save_editor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4584283a31e1c8711a51a383b0623602a99562893a8b14639337057b51433f74
[INFO] running `Command { std: "docker" "start" "-a" "4584283a31e1c8711a51a383b0623602a99562893a8b14639337057b51433f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4584283a31e1c8711a51a383b0623602a99562893a8b14639337057b51433f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4584283a31e1c8711a51a383b0623602a99562893a8b14639337057b51433f74", kill_on_drop: false }`
[INFO] [stdout] 4584283a31e1c8711a51a383b0623602a99562893a8b14639337057b51433f74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82ad1543d88f4a75d77c2114f263b60c6da551e633c8e0530775cca119e6413a
[INFO] running `Command { std: "docker" "start" "-a" "82ad1543d88f4a75d77c2114f263b60c6da551e633c8e0530775cca119e6413a", kill_on_drop: false }`
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[INFO] [stderr]     Checking dqmj1_save_editor v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/data_fields/monster.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Monster {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Monster` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DataValue, ValueReadFailureReason>
[INFO] [stdout]   --> src/data_fields/data_field_monster.rs:36:87
[INFO] [stdout]    |
[INFO] [stdout] 36 |       fn read(&self, raw_save_data: &[u8]) -> Result<DataValue, ValueReadFailureReason> {
[INFO] [stdout]    |  _______________________________________________________________________________________^
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |         Ok(DataValue::Monster(monster))
[INFO] [stdout] 47 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DataValue, ValueReadFailureReason>
[INFO] [stdout]   --> src/data_fields/data_field_monster.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Ok(DataValue::Monster(monster))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DataValue, ValueReadFailureReason>
[INFO] [stdout]   --> src/data_fields/data_field_u32.rs:17:87
[INFO] [stdout]    |
[INFO] [stdout] 17 |       fn read(&self, raw_save_data: &[u8]) -> Result<DataValue, ValueReadFailureReason> {
[INFO] [stdout]    |  _______________________________________________________________________________________^
[INFO] [stdout] 18 | |         Ok(DataValue::U32(u32::from_le_bytes(
[INFO] [stdout] 19 | |             self.location.read(raw_save_data).try_into().unwrap(),
[INFO] [stdout] 20 | |         )))
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DataValue, ValueReadFailureReason>
[INFO] [stdout]   --> src/data_fields/data_field_u32.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | /         Ok(DataValue::U32(u32::from_le_bytes(
[INFO] [stdout] 19 | |             self.location.read(raw_save_data).try_into().unwrap(),
[INFO] [stdout] 20 | |         )))
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DataValue, ValueReadFailureReason>
[INFO] [stdout]   --> src/save_data_manager.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | /         self.fields
[INFO] [stdout] 43 | |             .get(name)
[INFO] [stdout] 44 | |             .unwrap()
[INFO] [stdout] 45 | |             .as_ref()
[INFO] [stdout] 46 | |             .read(&self.raw.raw)
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DataValue, ValueReadFailureReason>
[INFO] [stdout]   --> src/save_data_manager.rs:61:40
[INFO] [stdout]    |
[INFO] [stdout] 61 |             println!("{:}: {:?}", key, value.as_ref().read(&self.raw.raw));
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/data_fields/monster.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Monster {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Monster` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DataValue, ValueReadFailureReason>
[INFO] [stdout]   --> src/data_fields/data_field_monster.rs:36:87
[INFO] [stdout]    |
[INFO] [stdout] 36 |       fn read(&self, raw_save_data: &[u8]) -> Result<DataValue, ValueReadFailureReason> {
[INFO] [stdout]    |  _______________________________________________________________________________________^
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |         Ok(DataValue::Monster(monster))
[INFO] [stdout] 47 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DataValue, ValueReadFailureReason>
[INFO] [stdout]   --> src/data_fields/data_field_monster.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Ok(DataValue::Monster(monster))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DataValue, ValueReadFailureReason>
[INFO] [stdout]   --> src/data_fields/data_field_u32.rs:17:87
[INFO] [stdout]    |
[INFO] [stdout] 17 |       fn read(&self, raw_save_data: &[u8]) -> Result<DataValue, ValueReadFailureReason> {
[INFO] [stdout]    |  _______________________________________________________________________________________^
[INFO] [stdout] 18 | |         Ok(DataValue::U32(u32::from_le_bytes(
[INFO] [stdout] 19 | |             self.location.read(raw_save_data).try_into().unwrap(),
[INFO] [stdout] 20 | |         )))
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DataValue, ValueReadFailureReason>
[INFO] [stdout]   --> src/data_fields/data_field_u32.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | /         Ok(DataValue::U32(u32::from_le_bytes(
[INFO] [stdout] 19 | |             self.location.read(raw_save_data).try_into().unwrap(),
[INFO] [stdout] 20 | |         )))
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DataValue, ValueReadFailureReason>
[INFO] [stdout]   --> src/save_data_manager.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | /         self.fields
[INFO] [stdout] 43 | |             .get(name)
[INFO] [stdout] 44 | |             .unwrap()
[INFO] [stdout] 45 | |             .as_ref()
[INFO] [stdout] 46 | |             .read(&self.raw.raw)
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DataValue, ValueReadFailureReason>
[INFO] [stdout]   --> src/save_data_manager.rs:61:40
[INFO] [stdout]    |
[INFO] [stdout] 61 |             println!("{:}: {:?}", key, value.as_ref().read(&self.raw.raw));
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dqmj1_save_editor` (lib test) due to 6 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `dqmj1_save_editor` (lib) due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "82ad1543d88f4a75d77c2114f263b60c6da551e633c8e0530775cca119e6413a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ad1543d88f4a75d77c2114f263b60c6da551e633c8e0530775cca119e6413a", kill_on_drop: false }`
[INFO] [stdout] 82ad1543d88f4a75d77c2114f263b60c6da551e633c8e0530775cca119e6413a
