[INFO] updating cached repository gavynriebau/hex2ascii
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gavynriebau/hex2ascii
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gavynriebau/hex2ascii" "work/ex/beta-1.38-1/sources/1.37.0/gh/gavynriebau/hex2ascii"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gavynriebau/hex2ascii'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gavynriebau/hex2ascii" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gavynriebau/hex2ascii"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gavynriebau/hex2ascii'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 93070229a2394326100314754e93e24d524ff21f
[INFO] sha for GitHub repo gavynriebau/hex2ascii: 93070229a2394326100314754e93e24d524ff21f
[INFO] validating manifest of gavynriebau/hex2ascii on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gavynriebau/hex2ascii on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gavynriebau/hex2ascii
[INFO] finished frobbing gavynriebau/hex2ascii
[INFO] frobbed toml for gavynriebau/hex2ascii written to work/ex/beta-1.38-1/sources/1.37.0/gh/gavynriebau/hex2ascii/Cargo.toml
[INFO] started frobbing gavynriebau/hex2ascii
[INFO] finished frobbing gavynriebau/hex2ascii
[INFO] frobbed toml for gavynriebau/hex2ascii written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gavynriebau/hex2ascii/Cargo.toml
[INFO] crate gavynriebau/hex2ascii already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gavynriebau/hex2ascii against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gavynriebau/hex2ascii:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a0ceaea60ec8a441376bc268cfd7c6e59285ea9b175b259c2b0122f19e5bfac6
[INFO] running `"docker" "start" "-a" "a0ceaea60ec8a441376bc268cfd7c6e59285ea9b175b259c2b0122f19e5bfac6"`
[INFO] [stderr]    Compiling clap v2.21.2
[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 23.42s
[INFO] running `"docker" "inspect" "a0ceaea60ec8a441376bc268cfd7c6e59285ea9b175b259c2b0122f19e5bfac6"`
[INFO] running `"docker" "rm" "-f" "a0ceaea60ec8a441376bc268cfd7c6e59285ea9b175b259c2b0122f19e5bfac6"`
[INFO] [stdout] a0ceaea60ec8a441376bc268cfd7c6e59285ea9b175b259c2b0122f19e5bfac6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gavynriebau/hex2ascii:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 97e463e9a87e86566475c9dcfa9a37017b93db27ac8bfb65c2c0bc0b31f61558
[INFO] running `"docker" "start" "-a" "97e463e9a87e86566475c9dcfa9a37017b93db27ac8bfb65c2c0bc0b31f61558"`
[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 0.93s
[INFO] running `"docker" "inspect" "97e463e9a87e86566475c9dcfa9a37017b93db27ac8bfb65c2c0bc0b31f61558"`
[INFO] running `"docker" "rm" "-f" "97e463e9a87e86566475c9dcfa9a37017b93db27ac8bfb65c2c0bc0b31f61558"`
[INFO] [stdout] 97e463e9a87e86566475c9dcfa9a37017b93db27ac8bfb65c2c0bc0b31f61558
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gavynriebau/hex2ascii:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] d1d2281b45be0d4e0f8f1b1000a4ff0b192a37e1be27376dfa09f9ab719612b6
[INFO] running `"docker" "start" "-a" "d1d2281b45be0d4e0f8f1b1000a4ff0b192a37e1be27376dfa09f9ab719612b6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hex2ascii-10b0d43576eeeea7
[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" "d1d2281b45be0d4e0f8f1b1000a4ff0b192a37e1be27376dfa09f9ab719612b6"`
[INFO] running `"docker" "rm" "-f" "d1d2281b45be0d4e0f8f1b1000a4ff0b192a37e1be27376dfa09f9ab719612b6"`
[INFO] [stdout] d1d2281b45be0d4e0f8f1b1000a4ff0b192a37e1be27376dfa09f9ab719612b6