[INFO] fetching crate tinybmp 0.6.0...
[INFO] checking tinybmp-0.6.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate tinybmp 0.6.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tinybmp 0.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tinybmp 0.6.0
[INFO] tweaked toml for crates.io crate tinybmp 0.6.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tinybmp 0.6.0 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 tinybmp 0.6.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9a4d07253ac55d76d96f4f9cb0881c661f1b4a061b67ec079ee04923e704c244
[INFO] running `Command { std: "docker" "start" "-a" "9a4d07253ac55d76d96f4f9cb0881c661f1b4a061b67ec079ee04923e704c244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a4d07253ac55d76d96f4f9cb0881c661f1b4a061b67ec079ee04923e704c244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a4d07253ac55d76d96f4f9cb0881c661f1b4a061b67ec079ee04923e704c244", kill_on_drop: false }`
[INFO] [stdout] 9a4d07253ac55d76d96f4f9cb0881c661f1b4a061b67ec079ee04923e704c244
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5a454697710f12215d783c3a5cf488057f5e90470e75e74de58bf1825df09c3a
[INFO] running `Command { std: "docker" "start" "-a" "5a454697710f12215d783c3a5cf488057f5e90470e75e74de58bf1825df09c3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking plotters-backend v0.3.6
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking micromath v2.1.0
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking plotters-svg v0.3.6
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.16.0
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking embedded-graphics-core v0.4.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking plotters v0.3.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking embedded-graphics v0.8.1
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tinybmp v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stdout] warning: field `header_type` is never read
[INFO] [stdout]   --> src/header/dib_header.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct DibHeader {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub header_type: HeaderType,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DibHeader` has a derived impl for the trait `Debug`, 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] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ouroboros_macro v0.15.6
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking ouroboros v0.15.6
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking embedded-graphics-simulator v0.5.0
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> examples/display.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     bmp_file: PathBuf,
[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 `tinybmp` (example "display") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `header_type` is never read
[INFO] [stdout]   --> src/header/dib_header.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct DibHeader {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub header_type: HeaderType,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DibHeader` has a derived impl for the trait `Debug`, 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] running `Command { std: "docker" "inspect" "5a454697710f12215d783c3a5cf488057f5e90470e75e74de58bf1825df09c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a454697710f12215d783c3a5cf488057f5e90470e75e74de58bf1825df09c3a", kill_on_drop: false }`
[INFO] [stdout] 5a454697710f12215d783c3a5cf488057f5e90470e75e74de58bf1825df09c3a
