[INFO] cloning repository https://github.com/nviennot/stm32-emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nviennot/stm32-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnviennot%2Fstm32-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnviennot%2Fstm32-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6622f2ce5047910a401ca958b7f6e91a0000f1b6
[INFO] checking nviennot/stm32-emulator 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%2Fnviennot%2Fstm32-emulator" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nviennot/stm32-emulator
[INFO] finished tweaking git repo https://github.com/nviennot/stm32-emulator
[INFO] tweaked toml for git repo https://github.com/nviennot/stm32-emulator written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nviennot/stm32-emulator 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/nviennot/stm32-emulator 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 }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fb95d2842d7a28e3a957d93b922ec2b46f9a92201b7850bb06d29e9f6e3ef2e9
[INFO] running `Command { std: "docker" "start" "-a" "fb95d2842d7a28e3a957d93b922ec2b46f9a92201b7850bb06d29e9f6e3ef2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb95d2842d7a28e3a957d93b922ec2b46f9a92201b7850bb06d29e9f6e3ef2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb95d2842d7a28e3a957d93b922ec2b46f9a92201b7850bb06d29e9f6e3ef2e9", kill_on_drop: false }`
[INFO] [stdout] fb95d2842d7a28e3a957d93b922ec2b46f9a92201b7850bb06d29e9f6e3ef2e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f88202f37f9b7eda3adb4b0834435447ea44cfd688f56419817f064293173975
[INFO] running `Command { std: "docker" "start" "-a" "f88202f37f9b7eda3adb4b0834435447ea44cfd688f56419817f064293173975", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling capstone-sys v0.15.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling unicorn-engine v2.0.0
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking roxmltree v0.14.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling stm32-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking clap-num v1.0.0
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]     Checking svd-rs v0.13.1
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking svd-parser v0.13.1
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]     Checking num_enum v0.5.7
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking capstone v0.11.0
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/ext_devices/touchscreen.rs:91:61
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     (Operation::MeasureX, Some(true), _) => (MAX - v),
[INFO] [stdout]    |                                                             ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 91 -                     (Operation::MeasureX, Some(true), _) => (MAX - v),
[INFO] [stdout] 91 +                     (Operation::MeasureX, Some(true), _) => MAX - v,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/ext_devices/touchscreen.rs:92:61
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     (Operation::MeasureY, _, Some(true)) => (MAX - v),
[INFO] [stdout]    |                                                             ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 92 -                     (Operation::MeasureY, _, Some(true)) => (MAX - v),
[INFO] [stdout] 92 +                     (Operation::MeasureY, _, Some(true)) => MAX - v,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/ext_devices/touchscreen.rs:91:61
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     (Operation::MeasureX, Some(true), _) => (MAX - v),
[INFO] [stdout]    |                                                             ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 91 -                     (Operation::MeasureX, Some(true), _) => (MAX - v),
[INFO] [stdout] 91 +                     (Operation::MeasureX, Some(true), _) => MAX - v,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/ext_devices/touchscreen.rs:92:61
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     (Operation::MeasureY, _, Some(true)) => (MAX - v),
[INFO] [stdout]    |                                                             ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 92 -                     (Operation::MeasureY, _, Some(true)) => (MAX - v),
[INFO] [stdout] 92 +                     (Operation::MeasureY, _, Some(true)) => MAX - v,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/peripherals/dma.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     Reg(u32),
[INFO] [stdout]     |     --- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 205 -     Reg(u32),
[INFO] [stdout] 205 +     Reg(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FsmcDevice` is never used
[INFO] [stdout]   --> src/peripherals/fsmc.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub trait FsmcDevice {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/peripherals/sw_spi.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct SoftwareSpi {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 24 |     pub config: SoftwareSpiConfig,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ext_devices/lcd.rs:161:14
[INFO] [stdout]     |
[INFO] [stdout] 161 | struct Reply(VecDeque<u8>);
[INFO] [stdout]     |        ----- ^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Reply` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// Config file
[INFO] [stdout] 30 | |     config: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32-emulator` (bin "stm32-emulator" test) due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/peripherals/dma.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     Reg(u32),
[INFO] [stdout]     |     --- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 205 -     Reg(u32),
[INFO] [stdout] 205 +     Reg(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FsmcDevice` is never used
[INFO] [stdout]   --> src/peripherals/fsmc.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub trait FsmcDevice {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/peripherals/sw_spi.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct SoftwareSpi {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 24 |     pub config: SoftwareSpiConfig,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ext_devices/lcd.rs:161:14
[INFO] [stdout]     |
[INFO] [stdout] 161 | struct Reply(VecDeque<u8>);
[INFO] [stdout]     |        ----- ^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Reply` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// Config file
[INFO] [stdout] 30 | |     config: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32-emulator` (bin "stm32-emulator") due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f88202f37f9b7eda3adb4b0834435447ea44cfd688f56419817f064293173975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f88202f37f9b7eda3adb4b0834435447ea44cfd688f56419817f064293173975", kill_on_drop: false }`
[INFO] [stdout] f88202f37f9b7eda3adb4b0834435447ea44cfd688f56419817f064293173975
