[INFO] cloning repository https://github.com/motherofdaemons/pngme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/motherofdaemons/pngme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmotherofdaemons%2Fpngme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmotherofdaemons%2Fpngme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dcc89e1008318695b22ae14c92cebb2b8c3b8d43
[INFO] checking motherofdaemons/pngme 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%2Fmotherofdaemons%2Fpngme" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/motherofdaemons/pngme
[INFO] finished tweaking git repo https://github.com/motherofdaemons/pngme
[INFO] tweaked toml for git repo https://github.com/motherofdaemons/pngme written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/motherofdaemons/pngme 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/motherofdaemons/pngme 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] 6996a45464012104f4d1a4ed95c1ab55514314872b4725ce3d21acd2725df7f0
[INFO] running `Command { std: "docker" "start" "-a" "6996a45464012104f4d1a4ed95c1ab55514314872b4725ce3d21acd2725df7f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6996a45464012104f4d1a4ed95c1ab55514314872b4725ce3d21acd2725df7f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6996a45464012104f4d1a4ed95c1ab55514314872b4725ce3d21acd2725df7f0", kill_on_drop: false }`
[INFO] [stdout] 6996a45464012104f4d1a4ed95c1ab55514314872b4725ce3d21acd2725df7f0
[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] 4d750eee97cbb61a933aaf16196fd4c74fad348687e8b9e0da0076459aecabf3
[INFO] running `Command { std: "docker" "start" "-a" "4d750eee97cbb61a933aaf16196fd4c74fad348687e8b9e0da0076459aecabf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking textwrap v0.15.1
[INFO] [stderr]     Checking crc-catalog v2.1.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking crc v3.0.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]     Checking clap v3.2.22
[INFO] [stderr]     Checking pngme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/args.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub input_file_path: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub chunk_type: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub message: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/args.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub output_file_path: Option<PathBuf>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/args.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub input_file_path: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub chunk_type: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/args.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub input_file_path: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub chunk_type: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/args.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub input_file_path: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pngme` (bin "pngme") due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: method `data` is never used
[INFO] [stdout]    --> src/chunk.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout]  87 | impl Chunk {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 111 |     fn data(&self) -> &[u8] {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pngme` (bin "pngme" test) due to 9 previous errors; 1 warning emitted
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::path::PathBuf, Infallible>
[INFO] [stdout]   --> src/args.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub input_file_path: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub chunk_type: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub message: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::path::PathBuf, Infallible>
[INFO] [stdout]   --> src/args.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub output_file_path: Option<PathBuf>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::path::PathBuf, Infallible>
[INFO] [stdout]   --> src/args.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub input_file_path: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub chunk_type: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::path::PathBuf, Infallible>
[INFO] [stdout]   --> src/args.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub input_file_path: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub chunk_type: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::path::PathBuf, Infallible>
[INFO] [stdout]   --> src/args.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub input_file_path: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d750eee97cbb61a933aaf16196fd4c74fad348687e8b9e0da0076459aecabf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d750eee97cbb61a933aaf16196fd4c74fad348687e8b9e0da0076459aecabf3", kill_on_drop: false }`
[INFO] [stdout] 4d750eee97cbb61a933aaf16196fd4c74fad348687e8b9e0da0076459aecabf3
