[INFO] fetching crate fax 0.2.6...
[INFO] testing fax-0.2.6 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate fax 0.2.6 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate fax 0.2.6
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fax 0.2.6
[INFO] tweaked toml for crates.io crate fax 0.2.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fax 0.2.6 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fax 0.2.6 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14781738432d622cf5dbee046022a96b463dcfaf4088b4c4c97bdb406170951d
[INFO] running `Command { std: "docker" "start" "-a" "14781738432d622cf5dbee046022a96b463dcfaf4088b4c4c97bdb406170951d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14781738432d622cf5dbee046022a96b463dcfaf4088b4c4c97bdb406170951d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14781738432d622cf5dbee046022a96b463dcfaf4088b4c4c97bdb406170951d", kill_on_drop: false }`
[INFO] [stdout] 14781738432d622cf5dbee046022a96b463dcfaf4088b4c4c97bdb406170951d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d93e913ef3c4f3cb68f6bd4fc5202e8144f6228023aed568d4394172acc3895
[INFO] running `Command { std: "docker" "start" "-a" "2d93e913ef3c4f3cb68f6bd4fc5202e8144f6228023aed568d4394172acc3895", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling fax_derive v0.2.0
[INFO] [stderr]    Compiling fax v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read};
[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: `std::iter::Map`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Bytes` and `self`
[INFO] [stdout]  --> src/decoder.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Bytes, Read};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EDFB_HALF`
[INFO] [stdout]  --> src/decoder.rs:5:45
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::maps::{Mode, black, white, mode, EDFB_HALF, EOL};
[INFO] [stdout]   |                                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/lib.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/decoder.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Bytes, Read};
[INFO] [stdout]   |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/decoder.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |     for y in 0 .. height.unwrap_or(u16::MAX) {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xxx`
[INFO] [stdout]    --> src/decoder.rs:226:25
[INFO] [stdout]     |
[INFO] [stdout] 226 |                     let xxx = self.reader.peek(3).ok_or(DecodeError::Invalid)?;
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_xxx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/maps.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 reader.consume(len);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 let _ = reader.consume(len);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/maps.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 reader.consume(len);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 let _ = reader.consume(len);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/maps.rs:27:25
[INFO] [stdout]    |
[INFO] [stdout] 27 |                         reader.consume(len);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |                         let _ = reader.consume(len);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/maps.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |                         reader.consume(width);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |                         let _ = reader.consume(width);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/decoder.rs:228:21
[INFO] [stdout]     |
[INFO] [stdout] 228 |                     self.reader.consume(3);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 228 |                     let _ = self.reader.consume(3);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/decoder.rs:252:17
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn line(&self) -> Line {
[INFO] [stdout]     |                 ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn line(&self) -> Line<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.98s
[INFO] running `Command { std: "docker" "inspect" "2d93e913ef3c4f3cb68f6bd4fc5202e8144f6228023aed568d4394172acc3895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d93e913ef3c4f3cb68f6bd4fc5202e8144f6228023aed568d4394172acc3895", kill_on_drop: false }`
[INFO] [stdout] 2d93e913ef3c4f3cb68f6bd4fc5202e8144f6228023aed568d4394172acc3895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 399f8173b8232bc90c4f0a8f6043f8332caa992c096ee5e51387c3d9f0962ac4
[INFO] running `Command { std: "docker" "start" "-a" "399f8173b8232bc90c4f0a8f6043f8332caa992c096ee5e51387c3d9f0962ac4", kill_on_drop: false }`
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read};
[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: `std::iter::Map`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Bytes` and `self`
[INFO] [stdout]  --> src/decoder.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Bytes, Read};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EDFB_HALF`
[INFO] [stdout]  --> src/decoder.rs:5:45
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::maps::{Mode, black, white, mode, EDFB_HALF, EOL};
[INFO] [stdout]   |                                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/lib.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/decoder.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Bytes, Read};
[INFO] [stdout]   |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/decoder.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |     for y in 0 .. height.unwrap_or(u16::MAX) {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xxx`
[INFO] [stdout]    --> src/decoder.rs:226:25
[INFO] [stdout]     |
[INFO] [stdout] 226 |                     let xxx = self.reader.peek(3).ok_or(DecodeError::Invalid)?;
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_xxx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/maps.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 reader.consume(len);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 let _ = reader.consume(len);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/maps.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 reader.consume(len);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 let _ = reader.consume(len);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/maps.rs:27:25
[INFO] [stdout]    |
[INFO] [stdout] 27 |                         reader.consume(len);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |                         let _ = reader.consume(len);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/maps.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |                         reader.consume(width);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |                         let _ = reader.consume(width);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/decoder.rs:228:21
[INFO] [stdout]     |
[INFO] [stdout] 228 |                     self.reader.consume(3);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 228 |                     let _ = self.reader.consume(3);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/decoder.rs:252:17
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn line(&self) -> Line {
[INFO] [stdout]     |                 ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn line(&self) -> Line<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling flate2 v1.0.34
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr]    Compiling fax v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]  --> tests/check.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::{self, File};
[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: `File`
[INFO] [stdout]  --> examples/check.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::{self, File};
[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 imports: `BitWriter`, `Bits`, `Color`, `VecWriter`, and `decoder::pels`
[INFO] [stdout]  --> examples/fax2tiff.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use fax::{VecWriter, decoder, decoder::pels, BitWriter, Bits, Color};
[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: `std::io::Write`
[INFO] [stdout]  --> examples/fax2tiff.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]  --> examples/fax2tiff.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::{self, File};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> tests/check.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transitions`
[INFO] [stdout]   --> examples/fax2tiff.rs:14:61
[INFO] [stdout]    |
[INFO] [stdout] 14 |     decoder::decode_g4(data.iter().cloned(), width, None,  |transitions| {
[INFO] [stdout]    |                                                             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transitions`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ByteReader`
[INFO] [stdout]  --> examples/pbm2fax.rs:1:47
[INFO] [stdout]   |
[INFO] [stdout] 1 | use fax::{encoder::Encoder, slice_bits, tiff, ByteReader, Color, VecWriter};
[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: `convert::Infallible`
[INFO] [stdout]  --> examples/validate.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{convert::Infallible, fs};
[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: `std::io::Write`
[INFO] [stdout]  --> examples/check.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/validate.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         self.reader.consume(bits.len);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let _ = self.reader.consume(bits.len);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read};
[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: `std::iter::Map`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Bytes` and `self`
[INFO] [stdout]  --> src/decoder.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Bytes, Read};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EDFB_HALF`
[INFO] [stdout]  --> src/decoder.rs:5:45
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::maps::{Mode, black, white, mode, EDFB_HALF, EOL};
[INFO] [stdout]   |                                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/check.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut buf = vec![0; w as usize * h as usize];
[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: unused variable: `h`
[INFO] [stdout]   --> examples/check.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let h: u16 = h.parse().unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> examples/check.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut buf = vec![0; w as usize * h as usize];
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/lib.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/decoder.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Bytes, Read};
[INFO] [stdout]   |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/decoder.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |     for y in 0 .. height.unwrap_or(u16::MAX) {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xxx`
[INFO] [stdout]    --> src/decoder.rs:226:25
[INFO] [stdout]     |
[INFO] [stdout] 226 |                     let xxx = self.reader.peek(3).ok_or(DecodeError::Invalid)?;
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_xxx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/maps.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 reader.consume(len);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 let _ = reader.consume(len);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/maps.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 reader.consume(len);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 let _ = reader.consume(len);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/maps.rs:27:25
[INFO] [stdout]    |
[INFO] [stdout] 27 |                         reader.consume(len);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |                         let _ = reader.consume(len);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/maps.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |                         reader.consume(width);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |                         let _ = reader.consume(width);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/decoder.rs:228:21
[INFO] [stdout]     |
[INFO] [stdout] 228 |                     self.reader.consume(3);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 228 |                     let _ = self.reader.consume(3);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/decoder.rs:252:17
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn line(&self) -> Line {
[INFO] [stdout]     |                 ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn line(&self) -> Line<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `Command { std: "docker" "inspect" "399f8173b8232bc90c4f0a8f6043f8332caa992c096ee5e51387c3d9f0962ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "399f8173b8232bc90c4f0a8f6043f8332caa992c096ee5e51387c3d9f0962ac4", kill_on_drop: false }`
[INFO] [stdout] 399f8173b8232bc90c4f0a8f6043f8332caa992c096ee5e51387c3d9f0962ac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc11f3539cdeab28e125f1b73de8d078db2c4fcfe429128ace0da7b1834e44d4
[INFO] running `Command { std: "docker" "start" "-a" "fc11f3539cdeab28e125f1b73de8d078db2c4fcfe429128ace0da7b1834e44d4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/lib.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::Map`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::iter::Map;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Bytes` and `self`
[INFO] [stderr]  --> src/decoder.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Bytes, Read};
[INFO] [stderr]   |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `EDFB_HALF`
[INFO] [stderr]  --> src/decoder.rs:5:45
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::maps::{Mode, black, white, mode, EDFB_HALF, EOL};
[INFO] [stderr]   |                                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/lib.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/decoder.rs:2:28
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Bytes, Read};
[INFO] [stderr]   |                            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/decoder.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |     for y in 0 .. height.unwrap_or(u16::MAX) {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `xxx`
[INFO] [stderr]    --> src/decoder.rs:226:25
[INFO] [stderr]     |
[INFO] [stderr] 226 |                     let xxx = self.reader.peek(3).ok_or(DecodeError::Invalid)?;
[INFO] [stderr]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_xxx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/maps.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 |                 reader.consume(len);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 13 |                 let _ = reader.consume(len);
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/maps.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |                 reader.consume(len);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 19 |                 let _ = reader.consume(len);
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/maps.rs:27:25
[INFO] [stderr]    |
[INFO] [stderr] 27 |                         reader.consume(len);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 27 |                         let _ = reader.consume(len);
[INFO] [stderr]    |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/maps.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 |                         reader.consume(width);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 31 |                         let _ = reader.consume(width);
[INFO] [stderr]    |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/decoder.rs:228:21
[INFO] [stderr]     |
[INFO] [stderr] 228 |                     self.reader.consume(3);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 228 |                     let _ = self.reader.consume(3);
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/decoder.rs:252:17
[INFO] [stderr]     |
[INFO] [stderr] 252 |     pub fn line(&self) -> Line {
[INFO] [stderr]     |                 ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 252 |     pub fn line(&self) -> Line<'_> {
[INFO] [stderr]     |                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `fax` (lib) generated 14 warnings (run `cargo fix --lib -p fax` to apply 7 suggestions)
[INFO] [stderr] warning: unused import: `convert::Infallible`
[INFO] [stderr]  --> examples/validate.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{convert::Infallible, fs};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/validate.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |         self.reader.consume(bits.len);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let _ = self.reader.consume(bits.len);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> examples/check.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::{self, File};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> examples/check.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/check.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let mut buf = vec![0; w as usize * h as usize];
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> examples/check.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let h: u16 = h.parse().unwrap();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> examples/check.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let mut buf = vec![0; w as usize * h as usize];
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteReader`
[INFO] [stderr]  --> examples/pbm2fax.rs:1:47
[INFO] [stderr]   |
[INFO] [stderr] 1 | use fax::{encoder::Encoder, slice_bits, tiff, ByteReader, Color, VecWriter};
[INFO] [stderr]   |                                               ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BitWriter`, `Bits`, `Color`, `VecWriter`, and `decoder::pels`
[INFO] [stderr]  --> examples/fax2tiff.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use fax::{VecWriter, decoder, decoder::pels, BitWriter, Bits, Color};
[INFO] [stderr]   |           ^^^^^^^^^           ^^^^^^^^^^^^^  ^^^^^^^^^  ^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> examples/fax2tiff.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> examples/fax2tiff.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs::{self, File};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `transitions`
[INFO] [stderr]   --> examples/fax2tiff.rs:14:61
[INFO] [stderr]    |
[INFO] [stderr] 14 |     decoder::decode_g4(data.iter().cloned(), width, None,  |transitions| {
[INFO] [stderr]    |                                                             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transitions`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> tests/check.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fs::{self, File};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> tests/check.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fax` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr] warning: `fax` (example "validate") generated 2 warnings (run `cargo fix --example "validate" -p fax` to apply 1 suggestion)
[INFO] [stderr] warning: `fax` (example "check") generated 5 warnings (run `cargo fix --example "check" -p fax` to apply 4 suggestions)
[INFO] [stderr] warning: `fax` (example "pbm2fax") generated 1 warning (run `cargo fix --example "pbm2fax" -p fax` to apply 1 suggestion)
[INFO] [stderr] warning: `fax` (example "fax2tiff") generated 4 warnings (run `cargo fix --example "fax2tiff" -p fax` to apply 4 suggestions)
[INFO] [stderr] warning: `fax` (test "check") generated 2 warnings (run `cargo fix --test "check" -p fax` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fax-201e71a11290c07f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_bits ... ok
[INFO] [stderr]      Running tests/check.rs (/opt/rustwide/target/debug/deps/check-da7c25e719e57667)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--test check`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- main stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (27) panicked at tests/check.rs:16:35:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a8ba94f5ea2 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a8ba94f5ea2 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a8ba94f5ea2 - std::sys::backtrace::_print_fmt::h255777b7ec902439
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5a8ba94f5ea2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8a1ac49fcd7ee8ce
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5a8ba950731f - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5a8ba950731f - core::fmt::write::hbdcc0ec4f1bab1db
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5a8ba94c2d73 - std::io::default_write_fmt::h2580ece0d4b58e51
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a8ba94c2d73 - std::io::Write::write_fmt::hac9e42858f273b87
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5a8ba94ceea2 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5a8ba94d3e7f - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5a8ba94d3d11 - std::panicking::default_hook::h9d66b9642014ce48
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5a8ba9487f7e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c698701e444e564
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5a8ba9487f7e - test::test_main_with_exit_callback::{{closure}}::ha1c98e7b69c4defb
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5a8ba94d448f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc4f222a8a57c637a
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5a8ba94d448f - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5a8ba94d42ea - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5a8ba94cefd9 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5a8ba94b6f0d - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5a8ba950eda0 - core::panicking::panic_fmt::h774fb860369a0f7b
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5a8ba950e396 - core::result::unwrap_failed::h72ee8fcbf1bf8ff9
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x5a8ba9464671 - core::result::Result<T,E>::unwrap::hd3e7256485e0c8c0
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5a8ba9464671 - check::main::h5998f091ed1b5594
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/check.rs:16:35
[INFO] [stdout]   22:     0x5a8ba9465027 - check::main::{{closure}}::h9ba555874f0a5579
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/check.rs:11:10
[INFO] [stdout]   23:     0x5a8ba9461f16 - core::ops::function::FnOnce::call_once::hf3b045e845d8a34d
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5a8ba9487dcb - core::ops::function::FnOnce::call_once::h4f6eabe90cccb47d
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5a8ba9487dcb - test::__rust_begin_short_backtrace::h94208530f2b4c8c7
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5a8ba949bddd - test::run_test_in_process::{{closure}}::hbdc6a45a78c46404
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5a8ba949bddd - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7f9d8efc7eedd165
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5a8ba949bddd - std::panicking::catch_unwind::do_call::he5edbaf126c13b99
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x5a8ba949bddd - std::panicking::catch_unwind::h3d6a8652eceeabce
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5a8ba949bddd - std::panic::catch_unwind::hbef0c501dd7bb498
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5a8ba949bddd - test::run_test_in_process::h400008a46a5006a0
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5a8ba949bddd - test::run_test::{{closure}}::h9a131655b31d9427
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5a8ba9475324 - test::run_test::{{closure}}::he4a7177c216308c0
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5a8ba9475324 - std::sys::backtrace::__rust_begin_short_backtrace::hd3980e9c55d6c539
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5a8ba9478c5a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h18552df67c7aa9b8
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x5a8ba9478c5a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3d7b285234641a08
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5a8ba9478c5a - std::panicking::catch_unwind::do_call::h5a2b5cf36528a5b2
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5a8ba9478c5a - std::panicking::catch_unwind::h7e8b531bbda77d20
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5a8ba9478c5a - std::panic::catch_unwind::hf9bbb2040b4f1e6c
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5a8ba9478c5a - std::thread::Builder::spawn_unchecked_::{{closure}}::h600f92cf68549574
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x5a8ba9478c5a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb6607307df8a1847
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5a8ba94ca3df - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6891ad53a5ed6f52
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x5a8ba94ca3df - std::sys::thread::unix::Thread::new::thread_start::h7f3e77fa86df70af
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x7eb871347aa4 - <unknown>
[INFO] [stdout]   45:     0x7eb8713d4a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     main
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc11f3539cdeab28e125f1b73de8d078db2c4fcfe429128ace0da7b1834e44d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc11f3539cdeab28e125f1b73de8d078db2c4fcfe429128ace0da7b1834e44d4", kill_on_drop: false }`
[INFO] [stdout] fc11f3539cdeab28e125f1b73de8d078db2c4fcfe429128ace0da7b1834e44d4
