[INFO] cloning repository https://github.com/awd123/lsdjtool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/awd123/lsdjtool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawd123%2Flsdjtool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawd123%2Flsdjtool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75f6e8af6ddebbed630644fa5601d8b116cb4817
[INFO] checking awd123/lsdjtool 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%2Fawd123%2Flsdjtool" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/awd123/lsdjtool
[INFO] finished tweaking git repo https://github.com/awd123/lsdjtool
[INFO] tweaked toml for git repo https://github.com/awd123/lsdjtool written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/awd123/lsdjtool 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/awd123/lsdjtool 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 900c0b432cf9de3d14dce521929d3037712d7a947a1a9ecbe8e639b4ebc60b49
[INFO] running `Command { std: "docker" "start" "-a" "900c0b432cf9de3d14dce521929d3037712d7a947a1a9ecbe8e639b4ebc60b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "900c0b432cf9de3d14dce521929d3037712d7a947a1a9ecbe8e639b4ebc60b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900c0b432cf9de3d14dce521929d3037712d7a947a1a9ecbe8e639b4ebc60b49", kill_on_drop: false }`
[INFO] [stdout] 900c0b432cf9de3d14dce521929d3037712d7a947a1a9ecbe8e639b4ebc60b49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1bf092a2c75b85a1aa56200346e5705912f557b82239ce858c780fff54dcdaa9
[INFO] running `Command { std: "docker" "start" "-a" "1bf092a2c75b85a1aa56200346e5705912f557b82239ce858c780fff54dcdaa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking lsdjtool v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `position` is never read
[INFO] [stdout]   --> src/lsdj/compression.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct LsdjBlock {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 57 |     pub position: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LsdjBlock` has a derived impl for the trait `Clone`, but this is 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] warning: method `decompress` is never used
[INFO] [stdout]   --> src/lsdj/compression.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl LsdjBlock {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn decompress(&self, dest: &mut LsdjSram) -> Result<u8, &'static str> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decompress_to` is never used
[INFO] [stdout]    --> src/lsdj/compression.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub trait LsdjBlockExt<T> {
[INFO] [stdout]     |           ------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 159 |     fn decompress_to(&self, dest: &mut LsdjSram, start_index: usize) -> Result<u8, &'static str>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lsdjtool` (bin "lsdjtool") due to 1 previous error; 3 warnings emitted
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | /     /// Title for imported song (at most eight characters, uppercase alphanumeric ASCII plus space
[INFO] [stdout] 35 | |     /// (0x20),
[INFO] [stdout] 36 | |     /// lowercase 'x' represents the lightning bolt character). Defaults to
[INFO] [stdout] 37 | |     /// SONGNAME.
[INFO] [stdout] 38 | |     #[structopt(short, long, value_name("TITLE"), requires("import-from"))]
[INFO] [stdout] 39 | |     title: Option<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] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `position` is never read
[INFO] [stdout]   --> src/lsdj/compression.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct LsdjBlock {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 57 |     pub position: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LsdjBlock` has a derived impl for the trait `Clone`, but this is 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<String, Infallible>
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | /     /// Title for imported song (at most eight characters, uppercase alphanumeric ASCII plus space
[INFO] [stdout] 35 | |     /// (0x20),
[INFO] [stdout] 36 | |     /// lowercase 'x' represents the lightning bolt character). Defaults to
[INFO] [stdout] 37 | |     /// SONGNAME.
[INFO] [stdout] 38 | |     #[structopt(short, long, value_name("TITLE"), requires("import-from"))]
[INFO] [stdout] 39 | |     title: Option<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 `lsdjtool` (bin "lsdjtool" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1bf092a2c75b85a1aa56200346e5705912f557b82239ce858c780fff54dcdaa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf092a2c75b85a1aa56200346e5705912f557b82239ce858c780fff54dcdaa9", kill_on_drop: false }`
[INFO] [stdout] 1bf092a2c75b85a1aa56200346e5705912f557b82239ce858c780fff54dcdaa9
