[INFO] fetching crate img2text 0.2.0...
[INFO] checking img2text-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate img2text 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate img2text 0.2.0
[INFO] finished tweaking crates.io crate img2text 0.2.0
[INFO] tweaked toml for crates.io crate img2text 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate img2text 0.2.0 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 img2text 0.2.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 86e1f3c59063d1a38e68c385a84a9e128028363cb81176c23404f4d294ebff71
[INFO] running `Command { std: "docker" "start" "-a" "86e1f3c59063d1a38e68c385a84a9e128028363cb81176c23404f4d294ebff71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86e1f3c59063d1a38e68c385a84a9e128028363cb81176c23404f4d294ebff71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e1f3c59063d1a38e68c385a84a9e128028363cb81176c23404f4d294ebff71", kill_on_drop: false }`
[INFO] [stdout] 86e1f3c59063d1a38e68c385a84a9e128028363cb81176c23404f4d294ebff71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6c1b549edc40f0c1e16abcbb72561ce4cdaacc823c939b960b6decb0708b80e6
[INFO] running `Command { std: "docker" "start" "-a" "6c1b549edc40f0c1e16abcbb72561ce4cdaacc823c939b960b6decb0708b80e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking deflate v1.0.0
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[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking weezl v0.1.6
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
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[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.5
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking clap_lex v0.2.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking indexmap v1.9.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling img2text v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/int.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub trait BinInteger:
[INFO] [stdout]    |           ---------- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn ones(range: ops::Range<u32>) -> Self;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 26 |
[INFO] [stdout] 27 |     fn ones_truncated(range: ops::Range<u32>) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn trailing_zeros(&self) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn leading_zeros(&self) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn count_ones(&self) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn bit_scan_forward(&self, start: u32) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn extract_u32(&self, range: ops::Range<u32>) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn set_bit(&mut self, i: u32);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn clear_bit(&mut self, i: u32);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     fn checked_ceil_fix(self, fp: u32) -> Option<Self>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn one_digits(&self) -> Self::OneDigits;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BinUInteger` is never used
[INFO] [stdout]   --> src/int.rs:66:11
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub trait BinUInteger: BinInteger {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking simba v0.7.1
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking image v0.24.2
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.6
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]     Checking clap v3.2.6
[INFO] [stderr]     Checking nalgebra v0.30.1
[INFO] [stderr]     Checking imageproc v0.23.0
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/int.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub trait BinInteger:
[INFO] [stdout]    |           ---------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn trailing_zeros(&self) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn leading_zeros(&self) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn count_ones(&self) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn bit_scan_forward(&self, start: u32) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn extract_u32(&self, range: ops::Range<u32>) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn get_bit(&self, i: u32) -> bool;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn set_bit(&mut self, i: u32);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn clear_bit(&mut self, i: u32);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     fn checked_ceil_fix(self, fp: u32) -> Option<Self>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn one_digits(&self) -> Self::OneDigits;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BinUInteger` is never used
[INFO] [stdout]   --> src/int.rs:66:11
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub trait BinUInteger: BinInteger {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lib.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 | /         output_dims[0]
[INFO] [stdout] 213 | |             .checked_mul(mask_dims[0] - mask_overlap[0])?
[INFO] [stdout] 214 | |             .checked_add(mask_overlap[0])?
[INFO] [stdout] 215 | |             .try_into()
[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/lib.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 | /         output_dims[1]
[INFO] [stdout] 218 | |             .checked_mul(mask_dims[1] - mask_overlap[1])?
[INFO] [stdout] 219 | |             .checked_add(mask_overlap[1])?
[INFO] [stdout] 220 | |             .try_into()
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/int.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub trait BinInteger:
[INFO] [stdout]    |           ---------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn trailing_zeros(&self) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn leading_zeros(&self) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn count_ones(&self) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn bit_scan_forward(&self, start: u32) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn extract_u32(&self, range: ops::Range<u32>) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn get_bit(&self, i: u32) -> bool;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn set_bit(&mut self, i: u32);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn clear_bit(&mut self, i: u32);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     fn checked_ceil_fix(self, fp: u32) -> Option<Self>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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<usize, Infallible>
[INFO] [stdout]    --> src/lib.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 | /         output_dims[0]
[INFO] [stdout] 213 | |             .checked_mul(mask_dims[0] - mask_overlap[0])?
[INFO] [stdout] 214 | |             .checked_add(mask_overlap[0])?
[INFO] [stdout] 215 | |             .try_into()
[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/lib.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 | /         output_dims[1]
[INFO] [stdout] 218 | |             .checked_mul(mask_dims[1] - mask_overlap[1])?
[INFO] [stdout] 219 | |             .checked_add(mask_overlap[1])?
[INFO] [stdout] 220 | |             .try_into()
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `img2text` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `img2text` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6c1b549edc40f0c1e16abcbb72561ce4cdaacc823c939b960b6decb0708b80e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1b549edc40f0c1e16abcbb72561ce4cdaacc823c939b960b6decb0708b80e6", kill_on_drop: false }`
[INFO] [stdout] 6c1b549edc40f0c1e16abcbb72561ce4cdaacc823c939b960b6decb0708b80e6
