[INFO] cloning repository https://github.com/expenses/ktx2-tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/expenses/ktx2-tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexpenses%2Fktx2-tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexpenses%2Fktx2-tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02b3f7c7d944562e74517e8ce3204d6f07edbd94
[INFO] checking expenses/ktx2-tools 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%2Fexpenses%2Fktx2-tools" "/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/expenses/ktx2-tools
[INFO] finished tweaking git repo https://github.com/expenses/ktx2-tools
[INFO] tweaked toml for git repo https://github.com/expenses/ktx2-tools written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/expenses/ktx2-tools 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/expenses/ktx2-tools 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 23126e6ce45368b44e0ea0ae9224d413a2301df4fc0f8cf42499d105ce52dfd4
[INFO] running `Command { std: "docker" "start" "-a" "23126e6ce45368b44e0ea0ae9224d413a2301df4fc0f8cf42499d105ce52dfd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23126e6ce45368b44e0ea0ae9224d413a2301df4fc0f8cf42499d105ce52dfd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23126e6ce45368b44e0ea0ae9224d413a2301df4fc0f8cf42499d105ce52dfd4", kill_on_drop: false }`
[INFO] [stdout] 23126e6ce45368b44e0ea0ae9224d413a2301df4fc0f8cf42499d105ce52dfd4
[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] 48832deb4479a2976b672357a38f4fde48e5faa21b3f179ac5114e55f01b592e
[INFO] running `Command { std: "docker" "start" "-a" "48832deb4479a2976b672357a38f4fde48e5faa21b3f179ac5114e55f01b592e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking bytemuck v1.22.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking ktx2 v0.4.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking flate2 v1.1.1
[INFO] [stderr]     Checking exr v1.73.0
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking ispc_rt v2.0.2
[INFO] [stderr]    Compiling intel_tex_2 v0.2.2
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling basis-universal-sys v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.2
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking ddsfile v0.5.2
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]     Checking zstd v0.13.3
[INFO] [stderr]     Checking basis-universal v0.3.1
[INFO] [stderr]     Checking ktx2-tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> src/ktx2-bc6h-compress.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     input: 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/ktx2-bc6h-compress.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     output: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/ktx2-bc6h-compress.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     #[structopt(long)]
[INFO] [stdout] 14 | |     sphere_harmonics_file: Option<PathBuf>,
[INFO] [stdout]    | |__________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> src/compress-bc7.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     input: 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/compress-bc7.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     output: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> src/ktx2-info.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     filename: 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/compress-bc7.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     input: PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ktx2-tools` (bin "compress-bc7") due to 2 previous errors
[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/compress-bc7.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     output: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ktx2-tools` (bin "ktx2-bc6h-compress" test) due to 3 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> src/ktx2-info.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     filename: PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ktx2-tools` (bin "compress-bc7" test) due to 2 previous errors
[INFO] [stderr] error: could not compile `ktx2-tools` (bin "ktx2-info") due to 1 previous error
[INFO] [stderr] error: could not compile `ktx2-tools` (bin "ktx2-info" test) due to 1 previous error
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> src/ktx2-bc6h-compress.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     input: 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/ktx2-bc6h-compress.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     output: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/ktx2-bc6h-compress.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     #[structopt(long)]
[INFO] [stdout] 14 | |     sphere_harmonics_file: Option<PathBuf>,
[INFO] [stdout]    | |__________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ktx2-tools` (bin "ktx2-bc6h-compress") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "48832deb4479a2976b672357a38f4fde48e5faa21b3f179ac5114e55f01b592e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48832deb4479a2976b672357a38f4fde48e5faa21b3f179ac5114e55f01b592e", kill_on_drop: false }`
[INFO] [stdout] 48832deb4479a2976b672357a38f4fde48e5faa21b3f179ac5114e55f01b592e