[INFO] fetching crate gtld 0.1.6... [INFO] checking gtld-0.1.6 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate gtld 0.1.6 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate gtld 0.1.6 [INFO] finished tweaking crates.io crate gtld 0.1.6 [INFO] tweaked toml for crates.io crate gtld 0.1.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate gtld 0.1.6 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 crates.io crate gtld 0.1.6 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4e4d39d904d885b6dd1b7569b4703d33306e8bf2f339e708138e5cbe272082ba [INFO] running `Command { std: "docker" "start" "-a" "4e4d39d904d885b6dd1b7569b4703d33306e8bf2f339e708138e5cbe272082ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e4d39d904d885b6dd1b7569b4703d33306e8bf2f339e708138e5cbe272082ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e4d39d904d885b6dd1b7569b4703d33306e8bf2f339e708138e5cbe272082ba", kill_on_drop: false }` [INFO] [stdout] 4e4d39d904d885b6dd1b7569b4703d33306e8bf2f339e708138e5cbe272082ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7455024b2390ab2bbf5984337bc01818b6318fc19f0c573465d03aea94f121d7 [INFO] running `Command { std: "docker" "start" "-a" "7455024b2390ab2bbf5984337bc01818b6318fc19f0c573465d03aea94f121d7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.97 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling thiserror v2.0.14 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling anyhow v1.0.99 [INFO] [stderr] Checking crc32fast v1.5.0 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.105 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking getrandom v0.3.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking console v0.15.11 [INFO] [stderr] Checking tempfile v3.20.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking libudev v0.3.0 [INFO] [stderr] Compiling thiserror-impl v2.0.14 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking dialoguer v0.11.0 [INFO] [stderr] Checking unescaper v0.1.6 [INFO] [stderr] Checking serialport v4.7.2 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking gtld v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `IoSlice` [INFO] [stdout] --> src/main.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{IoSlice, Read, Write}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::exit` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::process::exit; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::anyhow` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use anyhow::anyhow; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `IoSlice` [INFO] [stdout] --> src/main.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{IoSlice, Read, Write}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::exit` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::process::exit; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::anyhow` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use anyhow::anyhow; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | let mut port = select_port().expect("failed to select port"); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | let mut port = serialport::new(&port_name, 115_200) [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | let mut port = select_port().expect("failed to select port"); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | let mut port = serialport::new(&port_name, 115_200) [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `BADAPPLE` is never used [INFO] [stdout] --> src/main.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | static BADAPPLE: &[u8] = include_bytes!("badapple.gtr"); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `CUBICLE` is never used [INFO] [stdout] --> src/main.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | static CUBICLE: &[u8] = include_bytes!("cubicle.gtr"); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | Load { file: Option }, [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 [INFO] [stdout] --> src/main.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | FwUpdate { file: Option }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `BADAPPLE` is never used [INFO] [stdout] --> src/main.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | static BADAPPLE: &[u8] = include_bytes!("badapple.gtr"); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `CUBICLE` is never used [INFO] [stdout] --> src/main.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | static CUBICLE: &[u8] = include_bytes!("cubicle.gtr"); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | Load { file: Option }, [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 [INFO] [stdout] --> src/main.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | FwUpdate { file: Option }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `gtld` (bin "gtld") due to 2 previous errors; 8 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `gtld` (bin "gtld" test) due to 2 previous errors; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "7455024b2390ab2bbf5984337bc01818b6318fc19f0c573465d03aea94f121d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7455024b2390ab2bbf5984337bc01818b6318fc19f0c573465d03aea94f121d7", kill_on_drop: false }` [INFO] [stdout] 7455024b2390ab2bbf5984337bc01818b6318fc19f0c573465d03aea94f121d7