[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] testing luksab/qoi against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluksab%2Fqoi" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luksab/qoi on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-11/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-11/source/Cargo.toml
[INFO] crate git repo https://github.com/luksab/qoi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.17
[INFO] [stderr]   Downloaded getrandom v0.2.6
[INFO] [stderr]   Downloaded libc v0.2.121
[INFO] [stderr]   Downloaded syn v1.0.90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 306f5a77ba109e6f6d073ba653d26e71f8bb5629fbd882cd938c9b2a5cb6f004
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "306f5a77ba109e6f6d073ba653d26e71f8bb5629fbd882cd938c9b2a5cb6f004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "306f5a77ba109e6f6d073ba653d26e71f8bb5629fbd882cd938c9b2a5cb6f004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "306f5a77ba109e6f6d073ba653d26e71f8bb5629fbd882cd938c9b2a5cb6f004", kill_on_drop: false }`
[INFO] [stdout] 306f5a77ba109e6f6d073ba653d26e71f8bb5629fbd882cd938c9b2a5cb6f004
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 86f5f98df4c8c3f7bbcde0eb2e03ca12bf5d22a1daa89ae48c2b26e2224c693b
[INFO] running `Command { std: "docker" "start" "-a" "86f5f98df4c8c3f7bbcde0eb2e03ca12bf5d22a1daa89ae48c2b26e2224c693b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling deflate v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling png v0.17.5
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling qoi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get_tag`
[INFO] [stdout]    --> src/structs.rs:168:8
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn get_tag(&self) -> u8 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_encoding`
[INFO] [stdout]    --> src/structs.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn get_encoding(&self) -> [u8; 5] {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(mixed_integer_ops)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qoi` due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "86f5f98df4c8c3f7bbcde0eb2e03ca12bf5d22a1daa89ae48c2b26e2224c693b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f5f98df4c8c3f7bbcde0eb2e03ca12bf5d22a1daa89ae48c2b26e2224c693b", kill_on_drop: false }`
[INFO] [stdout] 86f5f98df4c8c3f7bbcde0eb2e03ca12bf5d22a1daa89ae48c2b26e2224c693b