[INFO] cloning repository https://github.com/hulthe/aoc_2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hulthe/aoc_2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhulthe%2Faoc_2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhulthe%2Faoc_2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c115ce01e7bb956d97725df75e5fd43b351c2c7
[INFO] checking hulthe/aoc_2018 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhulthe%2Faoc_2018" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hulthe/aoc_2018 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hulthe/aoc_2018
[INFO] finished tweaking git repo https://github.com/hulthe/aoc_2018
[INFO] tweaked toml for git repo https://github.com/hulthe/aoc_2018 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/hulthe/aoc_2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0c03c33496e077ebb0562f213192b83db2244abe95041f4824fbb220330893f
[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" "c0c03c33496e077ebb0562f213192b83db2244abe95041f4824fbb220330893f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0c03c33496e077ebb0562f213192b83db2244abe95041f4824fbb220330893f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c03c33496e077ebb0562f213192b83db2244abe95041f4824fbb220330893f", kill_on_drop: false }`
[INFO] [stdout] c0c03c33496e077ebb0562f213192b83db2244abe95041f4824fbb220330893f
[INFO] running `Command { std: "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 573b26e4c19c51601fa7c03f34ee82842029edfcb910082a811a22b373aa1c08
[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" "573b26e4c19c51601fa7c03f34ee82842029edfcb910082a811a22b373aa1c08", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking aoc_base v0.1.0 (/opt/rustwide/workdir/aoc_base)
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> aoc_base/src/lib.rs:8:46
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn task_a(input: &str) -> Result<RA, Box<Error>>;
[INFO] [stdout]   |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> aoc_base/src/lib.rs:9:46
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn task_b(input: &str) -> Result<RB, Box<Error>>;
[INFO] [stdout]   |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking binary-heap-plus v0.1.6
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking aoc_2018_day09 v0.1.0 (/opt/rustwide/workdir/day09)
[INFO] [stderr]     Checking aoc_2018_day01 v0.1.0 (/opt/rustwide/workdir/day01)
[INFO] [stderr]     Checking aoc_2018_day08 v0.1.0 (/opt/rustwide/workdir/day08)
[INFO] [stderr]     Checking aoc_2018_day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]     Checking aoc_2018_day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]     Checking aoc_2018_day02 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day09/src/lib.rs:26:59
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn parse_input(input: &str) -> Result<(usize, usize), Box<Error>> {
[INFO] [stdout]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day09/src/lib.rs:59:49
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn task_a(input: &str) -> Result<usize, Box<Error>> {
[INFO] [stdout]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day09/src/lib.rs:64:49
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn task_b(input: &str) -> Result<usize, Box<Error>> {
[INFO] [stdout]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day01/src/lib.rs:17:47
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn task_a(input: &str) -> Result<i32, Box<Error>> {
[INFO] [stdout]    |                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day01/src/lib.rs:24:47
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn task_b(input: &str) -> Result<i32, Box<Error>> {
[INFO] [stdout]    |                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day12/src/lib.rs:92:47
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn task_a(input: &str) -> Result<i64, Box<Error>> {
[INFO] [stdout]    |                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day12/src/lib.rs:96:47
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn task_b(input: &str) -> Result<i64, Box<Error>> {
[INFO] [stdout]    |                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> day10/src/lib.rs:123:50
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn task_a(input: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> day10/src/lib.rs:128:47
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn task_b(input: &str) -> Result<i32, Box<Error>> {
[INFO] [stdout]     |                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> day02/src/lib.rs:9:48
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn task_a(inputs: &str) -> Result<i32, Box<Error>> {
[INFO] [stdout]   |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day02/src/lib.rs:41:48
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn task_b(ids: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day08/src/lib.rs:13:49
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn task_a(input: &str) -> Result<usize, Box<Error>> {
[INFO] [stdout]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day08/src/lib.rs:20:49
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn task_b(input: &str) -> Result<usize, Box<Error>> {
[INFO] [stdout]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> day08/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(uniform_paths)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> day02/src/lib.rs:61:34
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     let mut id = String::from(s1.as_ref());
[INFO] [stdout]    |                                  ^^^^^^^^^^^^ cannot infer type for reference `&_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `String: From<&_>`
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr] error: could not compile `aoc_2018_day02`
[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] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "573b26e4c19c51601fa7c03f34ee82842029edfcb910082a811a22b373aa1c08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "573b26e4c19c51601fa7c03f34ee82842029edfcb910082a811a22b373aa1c08", kill_on_drop: false }`
[INFO] [stdout] 573b26e4c19c51601fa7c03f34ee82842029edfcb910082a811a22b373aa1c08