[INFO] cloning repository https://github.com/ayoy/font2bytes-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayoy/font2bytes-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayoy%2Ffont2bytes-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayoy%2Ffont2bytes-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 575b960417c2d2337313d63a29c2831a1dbc64d2
[INFO] checking ayoy/font2bytes-rust 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%2Fayoy%2Ffont2bytes-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ayoy/font2bytes-rust
[INFO] finished tweaking git repo https://github.com/ayoy/font2bytes-rust
[INFO] tweaked toml for git repo https://github.com/ayoy/font2bytes-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ayoy/font2bytes-rust 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/ayoy/font2bytes-rust 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ea4b4cbe4044a912c3921457512eb0481f1cdf797b268dd1c7076b6af9335f14
[INFO] running `Command { std: "docker" "start" "-a" "ea4b4cbe4044a912c3921457512eb0481f1cdf797b268dd1c7076b6af9335f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea4b4cbe4044a912c3921457512eb0481f1cdf797b268dd1c7076b6af9335f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea4b4cbe4044a912c3921457512eb0481f1cdf797b268dd1c7076b6af9335f14", kill_on_drop: false }`
[INFO] [stdout] ea4b4cbe4044a912c3921457512eb0481f1cdf797b268dd1c7076b6af9335f14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f40ef5459504693a9e959cace1821af4c7d3376e73835f64031ab255be179513
[INFO] running `Command { std: "docker" "start" "-a" "f40ef5459504693a9e959cace1821af4c7d3376e73835f64031ab255be179513", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking png v0.15.1
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.4
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]     Checking structopt v0.3.4
[INFO] [stderr]     Checking font2bytes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/config.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     /// Path to the output file (stdout if not present)
[INFO] [stdout] 51 | |     #[structopt(short = "o", long = "output")]
[INFO] [stdout] 52 | |     pub output_file_path: Option<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<PathBuf, Infallible>
[INFO] [stdout]   --> src/config.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | /     /// Path to the input image file
[INFO] [stdout] 55 | |     #[structopt(name = "path-to-image")]
[INFO] [stdout] 56 | |     pub input_file_path: PathBuf,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:179:65
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn new(row: &'a [u8], color_type: png::ColorType) -> Result<ImageRowIterator, ImageLoadingError> {
[INFO] [stdout]     |                  -- the lifetime is named here                  ^^^^^^^^^^^^^^^^ the same lifetime is hidden 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn new(row: &'a [u8], color_type: png::ColorType) -> Result<ImageRowIterator<'a>, ImageLoadingError> {
[INFO] [stdout]     |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `font2bytes` (bin "font2bytes" test) due to 2 previous errors; 1 warning emitted
[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/config.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     /// Path to the output file (stdout if not present)
[INFO] [stdout] 51 | |     #[structopt(short = "o", long = "output")]
[INFO] [stdout] 52 | |     pub output_file_path: Option<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<PathBuf, Infallible>
[INFO] [stdout]   --> src/config.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | /     /// Path to the input image file
[INFO] [stdout] 55 | |     #[structopt(name = "path-to-image")]
[INFO] [stdout] 56 | |     pub input_file_path: PathBuf,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/image.rs:179:65
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn new(row: &'a [u8], color_type: png::ColorType) -> Result<ImageRowIterator, ImageLoadingError> {
[INFO] [stdout]     |                  -- the lifetime is named here                  ^^^^^^^^^^^^^^^^ the same lifetime is hidden 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn new(row: &'a [u8], color_type: png::ColorType) -> Result<ImageRowIterator<'a>, ImageLoadingError> {
[INFO] [stdout]     |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `font2bytes` (bin "font2bytes") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f40ef5459504693a9e959cace1821af4c7d3376e73835f64031ab255be179513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40ef5459504693a9e959cace1821af4c7d3376e73835f64031ab255be179513", kill_on_drop: false }`
[INFO] [stdout] f40ef5459504693a9e959cace1821af4c7d3376e73835f64031ab255be179513
