[INFO] cloning repository https://github.com/twking7/adventofcode2017
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twking7/adventofcode2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwking7%2Fadventofcode2017", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwking7%2Fadventofcode2017'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61f0387372e63b957fa33c85e9fa92ac9e0af346
[INFO] checking twking7/adventofcode2017 against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwking7%2Fadventofcode2017" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/twking7/adventofcode2017 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/twking7/adventofcode2017
[INFO] finished tweaking git repo https://github.com/twking7/adventofcode2017
[INFO] tweaked toml for git repo https://github.com/twking7/adventofcode2017 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/twking7/adventofcode2017 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d653f447e0a69381acd4572d5b0ab444c38580efda90781a879d0dd41e2cc42c
[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" "d653f447e0a69381acd4572d5b0ab444c38580efda90781a879d0dd41e2cc42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d653f447e0a69381acd4572d5b0ab444c38580efda90781a879d0dd41e2cc42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d653f447e0a69381acd4572d5b0ab444c38580efda90781a879d0dd41e2cc42c", kill_on_drop: false }`
[INFO] [stdout] d653f447e0a69381acd4572d5b0ab444c38580efda90781a879d0dd41e2cc42c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1481f7948d75364ef6e71d2d9d43523303b6803471b897a9800f09a86c0c51f5
[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" "1481f7948d75364ef6e71d2d9d43523303b6803471b897a9800f09a86c0c51f5", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking aoc2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(slice_rotate)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(slice_rotate)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `rotate` found for struct `Vec<usize>` in the current scope
[INFO] [stdout]  --> src/day1.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     d2.rotate(rotate);
[INFO] [stdout]   |        ^^^^^^ method not found in `Vec<usize>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `rotate` found for struct `Vec<usize>` in the current scope
[INFO] [stdout]  --> src/day1.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     d2.rotate(rotate);
[INFO] [stdout]   |        ^^^^^^ method not found in `Vec<usize>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `rotate` found for struct `Vec<char>` in the current scope
[INFO] [stdout]   --> src/day16.rs:32:33
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Step::Shift(n) => v.rotate(len - n),
[INFO] [stdout]    |                                 ^^^^^^ method not found in `Vec<char>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `rotate` found for struct `Vec<String>` in the current scope
[INFO] [stdout]   --> src/day16.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 Step::Shift(n) => v.rotate(len - n),
[INFO] [stdout]    |                                     ^^^^^^ method not found in `Vec<String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `rotate` found for struct `Vec<char>` in the current scope
[INFO] [stdout]   --> src/day16.rs:32:33
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Step::Shift(n) => v.rotate(len - n),
[INFO] [stdout]    |                                 ^^^^^^ method not found in `Vec<char>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `rotate` found for struct `Vec<String>` in the current scope
[INFO] [stdout]   --> src/day16.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 Step::Shift(n) => v.rotate(len - n),
[INFO] [stdout]    |                                     ^^^^^^ method not found in `Vec<String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2017`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1481f7948d75364ef6e71d2d9d43523303b6803471b897a9800f09a86c0c51f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1481f7948d75364ef6e71d2d9d43523303b6803471b897a9800f09a86c0c51f5", kill_on_drop: false }`
[INFO] [stdout] 1481f7948d75364ef6e71d2d9d43523303b6803471b897a9800f09a86c0c51f5