[INFO] crate hex2ascii 1.0.2 is already in cache
[INFO] extracting crate hex2ascii 1.0.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/hex2ascii/1.0.2
[INFO] extracting crate hex2ascii 1.0.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/hex2ascii/1.0.2
[INFO] validating manifest of hex2ascii-1.0.2 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 hex2ascii-1.0.2 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 hex2ascii-1.0.2
[INFO] finished frobbing hex2ascii-1.0.2
[INFO] frobbed toml for hex2ascii-1.0.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/hex2ascii/1.0.2/Cargo.toml
[INFO] started frobbing hex2ascii-1.0.2
[INFO] finished frobbing hex2ascii-1.0.2
[INFO] frobbed toml for hex2ascii-1.0.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/hex2ascii/1.0.2/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 hex2ascii-1.0.2 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-6/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/hex2ascii/1.0.2:/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] 3b3135c5176c105100128fc3d19f18afe8afd77dc217b36ece0ff1175e60605d
[INFO] running `"docker" "start" "-a" "3b3135c5176c105100128fc3d19f18afe8afd77dc217b36ece0ff1175e60605d"`
[INFO] [stderr]    Compiling hex2ascii v1.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:11:48
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn from_hex(s : String) -> Result<Vec<u8>, 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:18:46
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn to_hex(s : String) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "3b3135c5176c105100128fc3d19f18afe8afd77dc217b36ece0ff1175e60605d"`
[INFO] running `"docker" "rm" "-f" "3b3135c5176c105100128fc3d19f18afe8afd77dc217b36ece0ff1175e60605d"`
[INFO] [stdout] 3b3135c5176c105100128fc3d19f18afe8afd77dc217b36ece0ff1175e60605d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/hex2ascii/1.0.2:/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] fbe5ec6ec56f1de3ba62908bf401852e861d4865035f9c361aef4ee5b98ffb23
[INFO] running `"docker" "start" "-a" "fbe5ec6ec56f1de3ba62908bf401852e861d4865035f9c361aef4ee5b98ffb23"`
[INFO] [stderr]    Compiling hex2ascii v1.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:11:48
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn from_hex(s : String) -> Result<Vec<u8>, 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:18:46
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn to_hex(s : String) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "fbe5ec6ec56f1de3ba62908bf401852e861d4865035f9c361aef4ee5b98ffb23"`
[INFO] running `"docker" "rm" "-f" "fbe5ec6ec56f1de3ba62908bf401852e861d4865035f9c361aef4ee5b98ffb23"`
[INFO] [stdout] fbe5ec6ec56f1de3ba62908bf401852e861d4865035f9c361aef4ee5b98ffb23
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/hex2ascii/1.0.2:/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] cf6379cce9f2514a520b9cc480115b34dbd90b655bb6370ec4ca71cb88ea62e0
[INFO] running `"docker" "start" "-a" "cf6379cce9f2514a520b9cc480115b34dbd90b655bb6370ec4ca71cb88ea62e0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hex2ascii-afe2f46782cfc429
[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" "cf6379cce9f2514a520b9cc480115b34dbd90b655bb6370ec4ca71cb88ea62e0"`
[INFO] running `"docker" "rm" "-f" "cf6379cce9f2514a520b9cc480115b34dbd90b655bb6370ec4ca71cb88ea62e0"`
[INFO] [stdout] cf6379cce9f2514a520b9cc480115b34dbd90b655bb6370ec4ca71cb88ea62e0