[INFO] crate aoc-runner-internal 0.1.0 is already in cache
[INFO] extracting crate aoc-runner-internal 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/aoc-runner-internal/0.1.0
[INFO] extracting crate aoc-runner-internal 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/aoc-runner-internal/0.1.0
[INFO] validating manifest of aoc-runner-internal-0.1.0 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 aoc-runner-internal-0.1.0 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 aoc-runner-internal-0.1.0
[INFO] finished frobbing aoc-runner-internal-0.1.0
[INFO] frobbed toml for aoc-runner-internal-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/aoc-runner-internal/0.1.0/Cargo.toml
[INFO] started frobbing aoc-runner-internal-0.1.0
[INFO] finished frobbing aoc-runner-internal-0.1.0
[INFO] frobbed toml for aoc-runner-internal-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/aoc-runner-internal/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 aoc-runner-internal-0.1.0 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-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/aoc-runner-internal/0.1.0:/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] 8bd0298af14ba5329293d8c18900606c0955694ae506520a699cfe585a610413
[INFO] running `"docker" "start" "-a" "8bd0298af14ba5329293d8c18900606c0955694ae506520a699cfe585a610413"`
[INFO] [stderr]    Compiling aoc-runner-internal v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:94:42
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn save(&self) -> Result<(), Box<error::Error>> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn error::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/lib.rs:103:39
[INFO] [stderr]     |
[INFO] [stderr] 103 |     pub fn load() -> Result<Self, Box<error::Error>> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `"docker" "inspect" "8bd0298af14ba5329293d8c18900606c0955694ae506520a699cfe585a610413"`
[INFO] running `"docker" "rm" "-f" "8bd0298af14ba5329293d8c18900606c0955694ae506520a699cfe585a610413"`
[INFO] [stdout] 8bd0298af14ba5329293d8c18900606c0955694ae506520a699cfe585a610413
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/aoc-runner-internal/0.1.0:/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] 675d181792e3a5985aa9a55f0672b9c9a4a955ca3b7334b64c47d2d618ed76be
[INFO] running `"docker" "start" "-a" "675d181792e3a5985aa9a55f0672b9c9a4a955ca3b7334b64c47d2d618ed76be"`
[INFO] [stderr]    Compiling aoc-runner-internal v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:94:42
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn save(&self) -> Result<(), Box<error::Error>> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn error::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/lib.rs:103:39
[INFO] [stderr]     |
[INFO] [stderr] 103 |     pub fn load() -> Result<Self, Box<error::Error>> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "675d181792e3a5985aa9a55f0672b9c9a4a955ca3b7334b64c47d2d618ed76be"`
[INFO] running `"docker" "rm" "-f" "675d181792e3a5985aa9a55f0672b9c9a4a955ca3b7334b64c47d2d618ed76be"`
[INFO] [stdout] 675d181792e3a5985aa9a55f0672b9c9a4a955ca3b7334b64c47d2d618ed76be
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/aoc-runner-internal/0.1.0:/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] ded084fd3a22620a4babda6bf456a0a37fd34a6276caa9c5ab3e59cb927ce184
[INFO] running `"docker" "start" "-a" "ded084fd3a22620a4babda6bf456a0a37fd34a6276caa9c5ab3e59cb927ce184"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/aoc_runner_internal-dc620a498bc2f303
[INFO] [stderr]    Doc-tests aoc-runner-internal
[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] [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" "ded084fd3a22620a4babda6bf456a0a37fd34a6276caa9c5ab3e59cb927ce184"`
[INFO] running `"docker" "rm" "-f" "ded084fd3a22620a4babda6bf456a0a37fd34a6276caa9c5ab3e59cb927ce184"`
[INFO] [stdout] ded084fd3a22620a4babda6bf456a0a37fd34a6276caa9c5ab3e59cb927ce184