[INFO] cloning repository https://github.com/luksab/qoi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luksab/qoi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluksab%2Fqoi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluksab%2Fqoi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7de7bb08df533df24c76b809ccbfb0f29919de6
[INFO] checking luksab/qoi against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluksab%2Fqoi" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/luksab/qoi
[INFO] finished tweaking git repo https://github.com/luksab/qoi
[INFO] tweaked toml for git repo https://github.com/luksab/qoi written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luksab/qoi on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/luksab/qoi 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 767d19d5b43dc0f3ad0da962f401dabfb8f7eeb06c63e966573bcb456be921f3
[INFO] running `Command { std: "docker" "start" "-a" "767d19d5b43dc0f3ad0da962f401dabfb8f7eeb06c63e966573bcb456be921f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "767d19d5b43dc0f3ad0da962f401dabfb8f7eeb06c63e966573bcb456be921f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "767d19d5b43dc0f3ad0da962f401dabfb8f7eeb06c63e966573bcb456be921f3", kill_on_drop: false }`
[INFO] [stdout] 767d19d5b43dc0f3ad0da962f401dabfb8f7eeb06c63e966573bcb456be921f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10111cf64b2f8be713d816573289f4ee9f626e38f041db0fac9aaa6ac85fa676
[INFO] running `Command { std: "docker" "start" "-a" "10111cf64b2f8be713d816573289f4ee9f626e38f041db0fac9aaa6ac85fa676", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking qoi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `mixed_integer_ops` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(mixed_integer_ops)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `mixed_integer_ops` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(mixed_integer_ops)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_tag` and `get_encoding` are never used
[INFO] [stdout]    --> src/structs.rs:168:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | impl OpRGBA {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 168 |     fn get_tag(&self) -> u8 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     pub fn get_encoding(&self) -> [u8; 5] {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:78:31
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let dr = unsafe { std::mem::transmute::<_, i8>(pixel.r.wrapping_sub(previous.r)) };
[INFO] [stdout]    |                               ----------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: replace this with: `u8::cast_signed`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:79:31
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let dg = unsafe { std::mem::transmute::<_, i8>(pixel.g.wrapping_sub(previous.g)) };
[INFO] [stdout]    |                               ----------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: replace this with: `u8::cast_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:80:31
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let db = unsafe { std::mem::transmute::<_, i8>(pixel.b.wrapping_sub(previous.b)) };
[INFO] [stdout]    |                               ----------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: replace this with: `u8::cast_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_tag` and `get_encoding` are never used
[INFO] [stdout]    --> src/structs.rs:168:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | impl OpRGBA {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 168 |     fn get_tag(&self) -> u8 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     pub fn get_encoding(&self) -> [u8; 5] {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:78:31
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let dr = unsafe { std::mem::transmute::<_, i8>(pixel.r.wrapping_sub(previous.r)) };
[INFO] [stdout]    |                               ----------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: replace this with: `u8::cast_signed`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:79:31
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let dg = unsafe { std::mem::transmute::<_, i8>(pixel.g.wrapping_sub(previous.g)) };
[INFO] [stdout]    |                               ----------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: replace this with: `u8::cast_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:80:31
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let db = unsafe { std::mem::transmute::<_, i8>(pixel.b.wrapping_sub(previous.b)) };
[INFO] [stdout]    |                               ----------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: replace this with: `u8::cast_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.86s
[INFO] running `Command { std: "docker" "inspect" "10111cf64b2f8be713d816573289f4ee9f626e38f041db0fac9aaa6ac85fa676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10111cf64b2f8be713d816573289f4ee9f626e38f041db0fac9aaa6ac85fa676", kill_on_drop: false }`
[INFO] [stdout] 10111cf64b2f8be713d816573289f4ee9f626e38f041db0fac9aaa6ac85fa676
