[INFO] cloning repository https://github.com/mgattozzi/oxidizing-the-technical-interview
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mgattozzi/oxidizing-the-technical-interview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Foxidizing-the-technical-interview", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Foxidizing-the-technical-interview'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b536ec33119b316c2527476541def377c63b14b4
[INFO] building mgattozzi/oxidizing-the-technical-interview against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Foxidizing-the-technical-interview" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mgattozzi/oxidizing-the-technical-interview on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/mgattozzi/oxidizing-the-technical-interview
[INFO] finished tweaking git repo https://github.com/mgattozzi/oxidizing-the-technical-interview
[INFO] tweaked toml for git repo https://github.com/mgattozzi/oxidizing-the-technical-interview written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mgattozzi/oxidizing-the-technical-interview already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", 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] 7ee1e0f933d1df1753ad45bb947b0a3a9a1603bb9e3ff0f62be5c15edd06f690
[INFO] running `Command { std: "docker" "start" "-a" "7ee1e0f933d1df1753ad45bb947b0a3a9a1603bb9e3ff0f62be5c15edd06f690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ee1e0f933d1df1753ad45bb947b0a3a9a1603bb9e3ff0f62be5c15edd06f690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee1e0f933d1df1753ad45bb947b0a3a9a1603bb9e3ff0f62be5c15edd06f690", kill_on_drop: false }`
[INFO] [stdout] 7ee1e0f933d1df1753ad45bb947b0a3a9a1603bb9e3ff0f62be5c15edd06f690
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2308362e59b6e34af846452ca821f617ee29841029c3bc668d394ccc20f7a3a
[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" "d2308362e59b6e34af846452ca821f617ee29841029c3bc668d394ccc20f7a3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling oxidizing-the-interview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(optin_builtin_traits)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]   --> src/main.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | auto trait Freeze {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout]    = help: add `#![feature(auto_traits)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attribute should be applied to a macro
[INFO] [stdout]    --> src/main.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |       #[allow_internal_unstable(const_fn_union)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 132 | /     const fn len(&self) -> usize {
[INFO] [stdout] 133 | |         unsafe { Repr { rust: self }.raw.len }
[INFO] [stdout] 134 | |     }
[INFO] [stdout]     | |_____- not a macro
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oxidizing-the-interview`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d2308362e59b6e34af846452ca821f617ee29841029c3bc668d394ccc20f7a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2308362e59b6e34af846452ca821f617ee29841029c3bc668d394ccc20f7a3a", kill_on_drop: false }`
[INFO] [stdout] d2308362e59b6e34af846452ca821f617ee29841029c3bc668d394ccc20f7a3a
