[INFO] cloning repository https://github.com/yvt/img2ctext
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yvt/img2ctext" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyvt%2Fimg2ctext", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyvt%2Fimg2ctext'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 454a6231f7f9aa25267a66f5ad2928121a1f4823
[INFO] checking yvt/img2ctext 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%2Fyvt%2Fimg2ctext" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/yvt/img2ctext
[INFO] finished tweaking git repo https://github.com/yvt/img2ctext
[INFO] tweaked toml for git repo https://github.com/yvt/img2ctext written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yvt/img2ctext 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/yvt/img2ctext 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] [stderr]     Blocking waiting for file lock on package cache
[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] 8a18c5e34d72e3ea3a5876c7b488028bfc5e2982887d090a749dc40bd8736d2c
[INFO] running `Command { std: "docker" "start" "-a" "8a18c5e34d72e3ea3a5876c7b488028bfc5e2982887d090a749dc40bd8736d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a18c5e34d72e3ea3a5876c7b488028bfc5e2982887d090a749dc40bd8736d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a18c5e34d72e3ea3a5876c7b488028bfc5e2982887d090a749dc40bd8736d2c", kill_on_drop: false }`
[INFO] [stdout] 8a18c5e34d72e3ea3a5876c7b488028bfc5e2982887d090a749dc40bd8736d2c
[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] bfb62303789cce5d2398ff4f334a1fea6d656bc71e5b24213b0f5844cbddd6a8
[INFO] running `Command { std: "docker" "start" "-a" "bfb62303789cce5d2398ff4f334a1fea6d656bc71e5b24213b0f5844cbddd6a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.8
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling rug v1.16.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking weezl v0.1.6
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking clap_lex v0.2.3
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking rgb v0.8.33
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking fn-formats v0.0.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking indexmap v1.9.1
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking ndarray v0.15.4
[INFO] [stderr]    Compiling rgb_derivation v0.2.0
[INFO] [stderr]     Checking image v0.24.2
[INFO] [stderr]    Compiling img2text v0.1.1
[INFO] [stderr]    Compiling libwebp-sys v0.4.2
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]     Checking webp v0.2.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling clap_derive v3.2.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]    Compiling zerocopy-derive v0.3.1
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking zerocopy v0.6.1
[INFO] [stderr]     Checking clap v3.2.6
[INFO] [stderr]    Compiling srgb v0.3.1
[INFO] [stderr]     Checking img2ctext v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     image_path: PathBuf,
[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<usize, Infallible>
[INFO] [stdout]    --> src/main.rs:373:9
[INFO] [stdout]     |
[INFO] [stdout] 373 |         output_dims[0].checked_mul(cell_dims[0])?.try_into().ok()?,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/main.rs:374:9
[INFO] [stdout]     |
[INFO] [stdout] 374 |         output_dims[1].checked_mul(cell_dims[1])?.try_into().ok()?,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `img2ctext` (bin "img2ctext") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     image_path: PathBuf,
[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<usize, Infallible>
[INFO] [stdout]    --> src/main.rs:373:9
[INFO] [stdout]     |
[INFO] [stdout] 373 |         output_dims[0].checked_mul(cell_dims[0])?.try_into().ok()?,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/main.rs:374:9
[INFO] [stdout]     |
[INFO] [stdout] 374 |         output_dims[1].checked_mul(cell_dims[1])?.try_into().ok()?,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `img2ctext` (bin "img2ctext" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "bfb62303789cce5d2398ff4f334a1fea6d656bc71e5b24213b0f5844cbddd6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb62303789cce5d2398ff4f334a1fea6d656bc71e5b24213b0f5844cbddd6a8", kill_on_drop: false }`
[INFO] [stdout] bfb62303789cce5d2398ff4f334a1fea6d656bc71e5b24213b0f5844cbddd6a8