[INFO] updating cached repository herojan/adventofcode2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/herojan/adventofcode2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/herojan/adventofcode2018" "work/ex/beta-1.37-6/sources/1.36.0/gh/herojan/adventofcode2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/herojan/adventofcode2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/herojan/adventofcode2018" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/herojan/adventofcode2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/herojan/adventofcode2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 044a20c8af59ce2657f7ed47291a51622392fbef
[INFO] sha for GitHub repo herojan/adventofcode2018: 044a20c8af59ce2657f7ed47291a51622392fbef
[INFO] validating manifest of herojan/adventofcode2018 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of herojan/adventofcode2018 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing herojan/adventofcode2018
[INFO] finished frobbing herojan/adventofcode2018
[INFO] frobbed toml for herojan/adventofcode2018 written to work/ex/beta-1.37-6/sources/1.36.0/gh/herojan/adventofcode2018/Cargo.toml
[INFO] started frobbing herojan/adventofcode2018
[INFO] finished frobbing herojan/adventofcode2018
[INFO] frobbed toml for herojan/adventofcode2018 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/herojan/adventofcode2018/Cargo.toml
[INFO] crate herojan/adventofcode2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing herojan/adventofcode2018 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/herojan/adventofcode2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 76a18b1ba69fac472495dfab9f8855c9d0fcb188636fea5a4d2908a37196bb34
[INFO] running `"docker" "start" "-a" "76a18b1ba69fac472495dfab9f8855c9d0fcb188636fea5a4d2908a37196bb34"`
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling adventofcode2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:6:29
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn main() -> Result<(), 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/main.rs:11:69
[INFO] [stderr]    |
[INFO] [stderr] 11 |         |acc, s: Result<String, std::io::Error>| -> Result<i32, Box<Error>> {
[INFO] [stderr]    |                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.62s
[INFO] running `"docker" "inspect" "76a18b1ba69fac472495dfab9f8855c9d0fcb188636fea5a4d2908a37196bb34"`
[INFO] running `"docker" "rm" "-f" "76a18b1ba69fac472495dfab9f8855c9d0fcb188636fea5a4d2908a37196bb34"`
[INFO] [stdout] 76a18b1ba69fac472495dfab9f8855c9d0fcb188636fea5a4d2908a37196bb34
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/herojan/adventofcode2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] e17c92fd9eb5ee0acea0ad44e82fb880223a3aa436dfeed44a890487a5d8883b
[INFO] running `"docker" "start" "-a" "e17c92fd9eb5ee0acea0ad44e82fb880223a3aa436dfeed44a890487a5d8883b"`
[INFO] [stderr]    Compiling adventofcode2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:6:29
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn main() -> Result<(), 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/main.rs:11:69
[INFO] [stderr]    |
[INFO] [stderr] 11 |         |acc, s: Result<String, std::io::Error>| -> Result<i32, Box<Error>> {
[INFO] [stderr]    |                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "e17c92fd9eb5ee0acea0ad44e82fb880223a3aa436dfeed44a890487a5d8883b"`
[INFO] running `"docker" "rm" "-f" "e17c92fd9eb5ee0acea0ad44e82fb880223a3aa436dfeed44a890487a5d8883b"`
[INFO] [stdout] e17c92fd9eb5ee0acea0ad44e82fb880223a3aa436dfeed44a890487a5d8883b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/herojan/adventofcode2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 0eaaa30bd12a44f475808633f1007f6aa973ccad4bc63b4b5f8334994180c986
[INFO] running `"docker" "start" "-a" "0eaaa30bd12a44f475808633f1007f6aa973ccad4bc63b4b5f8334994180c986"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/adventofcode2018-08c92394c84915ce
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0eaaa30bd12a44f475808633f1007f6aa973ccad4bc63b4b5f8334994180c986"`
[INFO] running `"docker" "rm" "-f" "0eaaa30bd12a44f475808633f1007f6aa973ccad4bc63b4b5f8334994180c986"`
[INFO] [stdout] 0eaaa30bd12a44f475808633f1007f6aa973ccad4bc63b4b5f8334994180c986