[INFO] cloning repository bfollek/advent2018rust
[INFO] running `"git" "clone" "--bare" "git://github.com/bfollek/advent2018rust.git" "work/cache/sources/gh/bfollek/advent2018rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/bfollek/advent2018rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/bfollek/advent2018rust" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/bfollek/advent2018rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/bfollek/advent2018rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bfollek/advent2018rust" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/bfollek/advent2018rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/bfollek/advent2018rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 227dcd6137866da7e06505cd32ff8e8488e0883a
[INFO] sha for GitHub repo bfollek/advent2018rust: 227dcd6137866da7e06505cd32ff8e8488e0883a
[INFO] validating manifest of bfollek/advent2018rust on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bfollek/advent2018rust on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bfollek/advent2018rust
[INFO] finished frobbing bfollek/advent2018rust
[INFO] frobbed toml for bfollek/advent2018rust written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/bfollek/advent2018rust/Cargo.toml
[INFO] started frobbing bfollek/advent2018rust
[INFO] finished frobbing bfollek/advent2018rust
[INFO] frobbed toml for bfollek/advent2018rust written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/bfollek/advent2018rust/Cargo.toml
[INFO] crate bfollek/advent2018rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bfollek/advent2018rust against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/bfollek/advent2018rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7aac34891db6c10dde9d148a4e53d81dc0ad9ed7d042571139f5356af0b70150
[INFO] running `"docker" "start" "-a" "7aac34891db6c10dde9d148a4e53d81dc0ad9ed7d042571139f5356af0b70150"`
[INFO] [stderr]     Checking advent2018rust v0.1.0 (/opt/crater/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 0.80s
[INFO] running `"docker" "inspect" "7aac34891db6c10dde9d148a4e53d81dc0ad9ed7d042571139f5356af0b70150"`
[INFO] running `"docker" "rm" "-f" "7aac34891db6c10dde9d148a4e53d81dc0ad9ed7d042571139f5356af0b70150"`
[INFO] [stdout] 7aac34891db6c10dde9d148a4e53d81dc0ad9ed7d042571139f5356af0b70150