[INFO] crate lc3dbg 1.2.1 is already in cache
[INFO] extracting crate lc3dbg 1.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/lc3dbg/1.2.1
[INFO] extracting crate lc3dbg 1.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lc3dbg/1.2.1
[INFO] validating manifest of lc3dbg-1.2.1 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 lc3dbg-1.2.1 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 lc3dbg-1.2.1
[INFO] finished frobbing lc3dbg-1.2.1
[INFO] frobbed toml for lc3dbg-1.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/lc3dbg/1.2.1/Cargo.toml
[INFO] started frobbing lc3dbg-1.2.1
[INFO] finished frobbing lc3dbg-1.2.1
[INFO] frobbed toml for lc3dbg-1.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lc3dbg/1.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 lc3dbg-1.2.1 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/reg/lc3dbg/1.2.1:/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] c0a45043659b25e2baae5814fb1402b4bf6011191322a27c88f587027c50b6eb
[INFO] running `"docker" "start" "-a" "c0a45043659b25e2baae5814fb1402b4bf6011191322a27c88f587027c50b6eb"`
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling lc3-rs v0.3.1
[INFO] [stderr]    Compiling pretty-bytes v0.2.2
[INFO] [stderr]    Compiling lc3dbg v1.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:149:30
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 .ok_or::<Box<std::error::Error>>(
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `"docker" "inspect" "c0a45043659b25e2baae5814fb1402b4bf6011191322a27c88f587027c50b6eb"`
[INFO] running `"docker" "rm" "-f" "c0a45043659b25e2baae5814fb1402b4bf6011191322a27c88f587027c50b6eb"`
[INFO] [stdout] c0a45043659b25e2baae5814fb1402b4bf6011191322a27c88f587027c50b6eb
[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/reg/lc3dbg/1.2.1:/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] 11d33e4d064ebc98d400ba0c2a96dc41379a52a3c7cad3d349d3722120ddb828
[INFO] running `"docker" "start" "-a" "11d33e4d064ebc98d400ba0c2a96dc41379a52a3c7cad3d349d3722120ddb828"`
[INFO] [stderr]    Compiling lc3dbg v1.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:149:30
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 .ok_or::<Box<std::error::Error>>(
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "11d33e4d064ebc98d400ba0c2a96dc41379a52a3c7cad3d349d3722120ddb828"`
[INFO] running `"docker" "rm" "-f" "11d33e4d064ebc98d400ba0c2a96dc41379a52a3c7cad3d349d3722120ddb828"`
[INFO] [stdout] 11d33e4d064ebc98d400ba0c2a96dc41379a52a3c7cad3d349d3722120ddb828
[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/reg/lc3dbg/1.2.1:/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] 943b114f483cf478d9e44741c638f63739eedf8404810a33d38536ae8a48adba
[INFO] running `"docker" "start" "-a" "943b114f483cf478d9e44741c638f63739eedf8404810a33d38536ae8a48adba"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lc3dbg-15a63d4afef415eb
[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" "943b114f483cf478d9e44741c638f63739eedf8404810a33d38536ae8a48adba"`
[INFO] running `"docker" "rm" "-f" "943b114f483cf478d9e44741c638f63739eedf8404810a33d38536ae8a48adba"`
[INFO] [stdout] 943b114f483cf478d9e44741c638f63739eedf8404810a33d38536ae8a48adba