[INFO] fetching crate fax 0.2.0...
[INFO] testing fax-0.2.0 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate fax 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate fax 0.2.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fax 0.2.0
[INFO] finished tweaking crates.io crate fax 0.2.0
[INFO] tweaked toml for crates.io crate fax 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate fax 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fax_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 251ef56209ac8450aab9df4867996ead0b0d40685b4cb1d16167a64250ee9bfa
[INFO] running `Command { std: "docker" "start" "-a" "251ef56209ac8450aab9df4867996ead0b0d40685b4cb1d16167a64250ee9bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "251ef56209ac8450aab9df4867996ead0b0d40685b4cb1d16167a64250ee9bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "251ef56209ac8450aab9df4867996ead0b0d40685b4cb1d16167a64250ee9bfa", kill_on_drop: false }`
[INFO] [stdout] 251ef56209ac8450aab9df4867996ead0b0d40685b4cb1d16167a64250ee9bfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b2f01e7de3a5ded9fa6c59da2e19bf51054d64e5cb1fba21611268a05c44623
[INFO] running `Command { std: "docker" "start" "-a" "7b2f01e7de3a5ded9fa6c59da2e19bf51054d64e5cb1fba21611268a05c44623", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling fax_derive v0.1.0
[INFO] [stderr]    Compiling fax v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Empty` is never constructed
[INFO] [stdout]  --> src/maps.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Entry<T: Copy + 'static> {
[INFO] [stdout]   |      ----- variant in this enum
[INFO] [stdout] 5 |     Empty,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.00s
[INFO] running `Command { std: "docker" "inspect" "7b2f01e7de3a5ded9fa6c59da2e19bf51054d64e5cb1fba21611268a05c44623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b2f01e7de3a5ded9fa6c59da2e19bf51054d64e5cb1fba21611268a05c44623", kill_on_drop: false }`
[INFO] [stdout] 7b2f01e7de3a5ded9fa6c59da2e19bf51054d64e5cb1fba21611268a05c44623
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2859867c776450cb2aedff0fdc8a65b6362420190190ad148347fee1728e0def
[INFO] running `Command { std: "docker" "start" "-a" "2859867c776450cb2aedff0fdc8a65b6362420190190ad148347fee1728e0def", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fax v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Empty` is never constructed
[INFO] [stdout]  --> src/maps.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Entry<T: Copy + 'static> {
[INFO] [stdout]   |      ----- variant in this enum
[INFO] [stdout] 5 |     Empty,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 4 arguments but 3 arguments were supplied
[INFO] [stdout]   --> examples/fax2pbm.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |       decoder::decode_g4(data.iter().cloned(), width, |transitions| {
[INFO] [stdout]    |  _____^^^^^^^^^^^^^^^^^^______________________________-
[INFO] [stdout] 15 | |         for c in pels(transitions, width) {
[INFO] [stdout] 16 | |             let bit = match c {
[INFO] [stdout] 17 | |                 Color::Black => Bits { data: 1, len: 1 },
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |         height += 1;
[INFO] [stdout] 24 | |     });
[INFO] [stdout]    | |_____- an argument of type `Option<u16>` is missing
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/decoder.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn decode_g4(input: impl Iterator<Item=u8>, width: u16, height: Option<u16>, mut line_cb: impl FnMut(&[u16])) -> Option<()> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 14 ~     decoder::decode_g4(data.iter().cloned(), width, /* Option<u16> */, |transitions| {
[INFO] [stdout] 15 +         for c in pels(transitions, width) {
[INFO] [stdout] 16 +             let bit = match c {
[INFO] [stdout] 17 +                 Color::Black => Bits { data: 1, len: 1 },
[INFO] [stdout] 18 +                 Color::White => Bits { data: 0, len: 1 }
[INFO] [stdout] 19 +             };
[INFO] [stdout] 20 +             writer.write(bit);
[INFO] [stdout] 21 +         }
[INFO] [stdout] 22 +         writer.pad();
[INFO] [stdout] 23 +         height += 1;
[INFO] [stdout] 24 ~     });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fax` (example "fax2pbm") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variant `Empty` is never constructed
[INFO] [stdout]  --> src/maps.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Entry<T: Copy + 'static> {
[INFO] [stdout]   |      ----- variant in this enum
[INFO] [stdout] 5 |     Empty,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2859867c776450cb2aedff0fdc8a65b6362420190190ad148347fee1728e0def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2859867c776450cb2aedff0fdc8a65b6362420190190ad148347fee1728e0def", kill_on_drop: false }`
[INFO] [stdout] 2859867c776450cb2aedff0fdc8a65b6362420190190ad148347fee1728e0def
