[INFO] crate lc3dbg 1.2.1 is already in cache
[INFO] extracting crate lc3dbg 1.2.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/lc3dbg/1.2.1
[INFO] extracting crate lc3dbg 1.2.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/lc3dbg/1.2.1
[INFO] validating manifest of lc3dbg-1.2.1 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 lc3dbg-1.2.1 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 lc3dbg-1.2.1
[INFO] finished frobbing lc3dbg-1.2.1
[INFO] frobbed toml for lc3dbg-1.2.1 written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/lc3dbg/1.2.1/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 lc3dbg-1.2.1 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/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 5419f331392e9a3c6127f0336e5dea078df1c3cf232c2b238cba9108a3f96540
[INFO] running `"docker" "start" "-a" "5419f331392e9a3c6127f0336e5dea078df1c3cf232c2b238cba9108a3f96540"`
[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 3.82s
[INFO] running `"docker" "inspect" "5419f331392e9a3c6127f0336e5dea078df1c3cf232c2b238cba9108a3f96540"`
[INFO] running `"docker" "rm" "-f" "5419f331392e9a3c6127f0336e5dea078df1c3cf232c2b238cba9108a3f96540"`
[INFO] [stdout] 5419f331392e9a3c6127f0336e5dea078df1c3cf232c2b238cba9108a3f96540
[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/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] a497f3c1b79e1a93c0ed85bf5188bbc0f7978461c879d2626c169e45d147004b
[INFO] running `"docker" "start" "-a" "a497f3c1b79e1a93c0ed85bf5188bbc0f7978461c879d2626c169e45d147004b"`
[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 1.12s
[INFO] running `"docker" "inspect" "a497f3c1b79e1a93c0ed85bf5188bbc0f7978461c879d2626c169e45d147004b"`
[INFO] running `"docker" "rm" "-f" "a497f3c1b79e1a93c0ed85bf5188bbc0f7978461c879d2626c169e45d147004b"`
[INFO] [stdout] a497f3c1b79e1a93c0ed85bf5188bbc0f7978461c879d2626c169e45d147004b
[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/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c7d140c66fedda387cd421b1937fe3bd331f2116bfabe13882b290fec9ae2f75
[INFO] running `"docker" "start" "-a" "c7d140c66fedda387cd421b1937fe3bd331f2116bfabe13882b290fec9ae2f75"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lc3dbg-a5e61566a9bfcea2
[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" "c7d140c66fedda387cd421b1937fe3bd331f2116bfabe13882b290fec9ae2f75"`
[INFO] running `"docker" "rm" "-f" "c7d140c66fedda387cd421b1937fe3bd331f2116bfabe13882b290fec9ae2f75"`
[INFO] [stdout] c7d140c66fedda387cd421b1937fe3bd331f2116bfabe13882b290fec9ae2f75