[INFO] updating cached repository https://github.com/bfollek/advent2018rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 227dcd6137866da7e06505cd32ff8e8488e0883a
[INFO] checking bfollek/advent2018rust against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbfollek%2Fadvent2018rust" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bfollek/advent2018rust on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bfollek/advent2018rust
[INFO] finished tweaking git repo https://github.com/bfollek/advent2018rust
[INFO] tweaked toml for git repo https://github.com/bfollek/advent2018rust written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bfollek/advent2018rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 679e3d8f8a3b64b35464d94dbbcb744653ce0d5220f609205c78d262d0e0e541
[INFO] running `"docker" "start" "-a" "679e3d8f8a3b64b35464d94dbbcb744653ce0d5220f609205c78d262d0e0e541"`
[INFO] [stderr]     Checking advent2018rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/day_01/mod.rs:6:51
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn part_1(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]   |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day_01/mod.rs:15:56
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn part_1_fold(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]    |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day_01/mod.rs:21:55
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn part_1_sum(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day_01/mod.rs:28:51
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn part_2(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/day_02/mod.rs:6:51
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn part_1(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]   |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/util/mod.rs:6:78
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn text_file_to_vector<T: Parses>(file_name: &str) -> Result<Vec<T>, Box<Error>> {
[INFO] [stderr]   |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/mod.rs:20:43
[INFO] [stderr]    |
[INFO] [stderr] 20 |   fn parse(raw: &str) -> Result<Self, Box<Error>>
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/mod.rs:26:43
[INFO] [stderr]    |
[INFO] [stderr] 26 |   fn parse(raw: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/mod.rs:35:43
[INFO] [stderr]    |
[INFO] [stderr] 35 |   fn parse(raw: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/day_01/mod.rs:6:51
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn part_1(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]   |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day_01/mod.rs:15:56
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn part_1_fold(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]    |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day_01/mod.rs:21:55
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn part_1_sum(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day_01/mod.rs:28:51
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn part_2(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/day_02/mod.rs:6:51
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn part_1(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]   |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/util/mod.rs:6:78
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn text_file_to_vector<T: Parses>(file_name: &str) -> Result<Vec<T>, Box<Error>> {
[INFO] [stderr]   |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/mod.rs:20:43
[INFO] [stderr]    |
[INFO] [stderr] 20 |   fn parse(raw: &str) -> Result<Self, Box<Error>>
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/mod.rs:26:43
[INFO] [stderr]    |
[INFO] [stderr] 26 |   fn parse(raw: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/mod.rs:35:43
[INFO] [stderr]    |
[INFO] [stderr] 35 |   fn parse(raw: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/day_01/mod.rs:6:51
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn part_1(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]   |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day_01/mod.rs:15:56
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn part_1_fold(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]    |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day_01/mod.rs:21:55
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn part_1_sum(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day_01/mod.rs:28:51
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn part_2(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/day_02/mod.rs:6:51
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn part_1(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]   |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/util/mod.rs:6:78
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn text_file_to_vector<T: Parses>(file_name: &str) -> Result<Vec<T>, Box<Error>> {
[INFO] [stderr]   |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/mod.rs:20:43
[INFO] [stderr]    |
[INFO] [stderr] 20 |   fn parse(raw: &str) -> Result<Self, Box<Error>>
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/mod.rs:26:43
[INFO] [stderr]    |
[INFO] [stderr] 26 |   fn parse(raw: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/mod.rs:35:43
[INFO] [stderr]    |
[INFO] [stderr] 35 |   fn parse(raw: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]   |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/day_01/mod.rs:6:51
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn part_1(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]   |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day_01/mod.rs:15:56
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn part_1_fold(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]    |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day_01/mod.rs:21:55
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn part_1_sum(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day_01/mod.rs:28:51
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn part_2(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/day_02/mod.rs:6:51
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn part_1(file_name: &str) -> Result<i32, Box<Error>> {
[INFO] [stderr]   |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/util/mod.rs:6:78
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn text_file_to_vector<T: Parses>(file_name: &str) -> Result<Vec<T>, Box<Error>> {
[INFO] [stderr]   |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/mod.rs:20:43
[INFO] [stderr]    |
[INFO] [stderr] 20 |   fn parse(raw: &str) -> Result<Self, Box<Error>>
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/mod.rs:26:43
[INFO] [stderr]    |
[INFO] [stderr] 26 |   fn parse(raw: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/mod.rs:35:43
[INFO] [stderr]    |
[INFO] [stderr] 35 |   fn parse(raw: &str) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]   |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `"docker" "inspect" "679e3d8f8a3b64b35464d94dbbcb744653ce0d5220f609205c78d262d0e0e541"`
[INFO] running `"docker" "rm" "-f" "679e3d8f8a3b64b35464d94dbbcb744653ce0d5220f609205c78d262d0e0e541"`
[INFO] [stdout] 679e3d8f8a3b64b35464d94dbbcb744653ce0d5220f609205c78d262d0e0e541