[INFO] cloning repository https://github.com/ianwjhalliday/adventofcode2016 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ianwjhalliday/adventofcode2016" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianwjhalliday%2Fadventofcode2016", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianwjhalliday%2Fadventofcode2016'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 64f5eba08305881ac73caa2f566756292b0ed2e5 [INFO] documenting ianwjhalliday/adventofcode2016 against 1.75.0 for beta-1.76-rustdoc-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianwjhalliday%2Fadventofcode2016" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ianwjhalliday/adventofcode2016 on toolchain 1.75.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ianwjhalliday/adventofcode2016 [INFO] finished tweaking git repo https://github.com/ianwjhalliday/adventofcode2016 [INFO] tweaked toml for git repo https://github.com/ianwjhalliday/adventofcode2016 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ianwjhalliday/adventofcode2016 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 665fb09eb67a44a297d19755ab1269df6c960872f4a7a1abc0358f3db6a10c9e [INFO] running `Command { std: "docker" "start" "-a" "665fb09eb67a44a297d19755ab1269df6c960872f4a7a1abc0358f3db6a10c9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "665fb09eb67a44a297d19755ab1269df6c960872f4a7a1abc0358f3db6a10c9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "665fb09eb67a44a297d19755ab1269df6c960872f4a7a1abc0358f3db6a10c9e", kill_on_drop: false }` [INFO] [stdout] 665fb09eb67a44a297d19755ab1269df6c960872f4a7a1abc0358f3db6a10c9e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a15fb6bfaa4081a4fdc513c3fcd38dd7c2e627a7966c316b6c662571957554f [INFO] running `Command { std: "docker" "start" "-a" "0a15fb6bfaa4081a4fdc513c3fcd38dd7c2e627a7966c316b6c662571957554f", kill_on_drop: false }` [INFO] [stderr] Checking rustc-serialize v0.3.22 [INFO] [stderr] Checking rust-crypto v0.2.36 (/opt/rustwide/workdir/deps/rust-crypto) [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> deps/rust-crypto/src/cryptoutil.rs:70:37 [INFO] [stdout] | [INFO] [stdout] 70 | let mut tmp: u32 = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> deps/rust-crypto/src/symmetriccipher.rs:51:38 [INFO] [stdout] | [INFO] [stdout] 51 | impl SynchronousStreamCipher for Box { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 51 | impl SynchronousStreamCipher for Box { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> deps/rust-crypto/src/symmetriccipher.rs:58:24 [INFO] [stdout] | [INFO] [stdout] 58 | impl Encryptor for Box { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 58 | impl Encryptor for Box { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> deps/rust-crypto/src/symmetriccipher.rs:65:24 [INFO] [stdout] | [INFO] [stdout] 65 | impl Decryptor for Box { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 65 | impl Decryptor for Box { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `u32` does not permit being left uninitialized [INFO] [stdout] --> deps/rust-crypto/src/cryptoutil.rs:70:32 [INFO] [stdout] | [INFO] [stdout] 70 | let mut tmp: u32 = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Documenting advent2016 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.44s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.22 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] [stderr] Generated /opt/rustwide/target/doc/advent2016/index.html [INFO] running `Command { std: "docker" "inspect" "0a15fb6bfaa4081a4fdc513c3fcd38dd7c2e627a7966c316b6c662571957554f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a15fb6bfaa4081a4fdc513c3fcd38dd7c2e627a7966c316b6c662571957554f", kill_on_drop: false }` [INFO] [stdout] 0a15fb6bfaa4081a4fdc513c3fcd38dd7c2e627a7966c316b6c662571957554f