[INFO] updating cached repository https://github.com/cleech/adventofcode2016
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] caab75d8a62b0f0fc1b33a91b81d1d045917d237
[INFO] checking cleech/adventofcode2016 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcleech%2Fadventofcode2016" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cleech/adventofcode2016 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cleech/adventofcode2016
[INFO] finished tweaking git repo https://github.com/cleech/adventofcode2016
[INFO] tweaked toml for git repo https://github.com/cleech/adventofcode2016 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/cleech/adventofcode2016 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c2fc699c9ce435dc838ad821645145854391d8c3ac4363ca7cb5285cdfa64e3a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c2fc699c9ce435dc838ad821645145854391d8c3ac4363ca7cb5285cdfa64e3a"`
[INFO] [stderr]     Checking permutohedron v0.2.2
[INFO] [stderr]     Checking num_cpus v1.2.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking itertools v0.5.8
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking nalgebra v0.10.1
[INFO] [stderr]     Checking adventofcode2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/day11.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `to`
[INFO] [stderr]    --> src/bin/day22.rs:131:41
[INFO] [stderr]     |
[INFO] [stderr] 131 |     fn move_gap(&mut self, from: Coord, to: Coord) -> Result<usize, ()> {
[INFO] [stderr]     |                                         ^^ help: consider prefixing with an underscore: `_to`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day06.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |             let mut counter = hashvec[i].entry(char::from_u32(b[i] as u32).unwrap()).or_insert(0);
[INFO] [stderr]    |                 ----^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0635]: unknown feature `step_by`
[INFO] [stderr]  --> src/bin/day15.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(step_by)]
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0635`.
[INFO] [stderr] error: could not compile `adventofcode2016`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bin/day05.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |             b'0'...b'9' => Some(*self - b'0'),
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bin/day05.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |             b'a'...b'f' => Some(*self - b'a' + 10),
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/bin/day05.rs:112:33
[INFO] [stderr]     |
[INFO] [stderr] 112 |     *start = (*start..).step_by(stride)
[INFO] [stderr]     |                                 ^^^^^^ expected usize, found u32
[INFO] [stderr] help: you can convert an `u32` to `usize` and panic if the converted value wouldn't fit
[INFO] [stderr]     |
[INFO] [stderr] 112 |     *start = (*start..).step_by(stride.try_into().unwrap())
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `adventofcode2016`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/day11-astar.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bin/day05.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |             b'0'...b'9' => Some(*self - b'0'),
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bin/day05.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |             b'a'...b'f' => Some(*self - b'a' + 10),
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/bin/day05.rs:112:33
[INFO] [stderr]     |
[INFO] [stderr] 112 |     *start = (*start..).step_by(stride)
[INFO] [stderr]     |                                 ^^^^^^ expected usize, found u32
[INFO] [stderr] help: you can convert an `u32` to `usize` and panic if the converted value wouldn't fit
[INFO] [stderr]     |
[INFO] [stderr] 112 |     *start = (*start..).step_by(stride.try_into().unwrap())
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `adventofcode2016`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/day11-astar.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c2fc699c9ce435dc838ad821645145854391d8c3ac4363ca7cb5285cdfa64e3a"`
[INFO] running `"docker" "rm" "-f" "c2fc699c9ce435dc838ad821645145854391d8c3ac4363ca7cb5285cdfa64e3a"`
[INFO] [stdout] c2fc699c9ce435dc838ad821645145854391d8c3ac4363ca7cb5285cdfa64e3a