[INFO] crate vtcol 0.42.2 is already in cache
[INFO] extracting crate vtcol 0.42.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/vtcol/0.42.2
[INFO] extracting crate vtcol 0.42.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vtcol/0.42.2
[INFO] validating manifest of vtcol-0.42.2 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 vtcol-0.42.2 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 vtcol-0.42.2
[INFO] finished frobbing vtcol-0.42.2
[INFO] frobbed toml for vtcol-0.42.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/vtcol/0.42.2/Cargo.toml
[INFO] started frobbing vtcol-0.42.2
[INFO] finished frobbing vtcol-0.42.2
[INFO] frobbed toml for vtcol-0.42.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vtcol/0.42.2/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] [stderr]     Blocking waiting for file lock on package cache
[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 vtcol-0.42.2 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-1/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/vtcol/0.42.2:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 8c3802ecc03335b97a8101025a1e904e16656e0468ca5e8a590fea8e63160213
[INFO] running `"docker" "start" "-a" "8c3802ecc03335b97a8101025a1e904e16656e0468ca5e8a590fea8e63160213"`
[INFO] [stderr] warning: path `/opt/crater/workdir/src/vtcol.rs` was erroneously implicitly accepted for binary `vtcol`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling vtcol v0.42.2 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/vtcol.rs:367:13
[INFO] [stderr]     |
[INFO] [stderr] 367 |         '0' ... '9' => { chr - '0' as u8 },
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/vtcol.rs:368:13
[INFO] [stderr]     |
[INFO] [stderr] 368 |         'a' ... 'f' => { chr - 'a' as u8 + 10 },
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/vtcol.rs:369:13
[INFO] [stderr]     |
[INFO] [stderr] 369 |         'A' ... 'F' => { chr - 'A' as u8 + 10 },
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vtcol.rs:427:20
[INFO] [stderr]     |
[INFO] [stderr] 427 |     (reader : &mut std::io::BufRead)
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::BufRead`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]    --> src/vtcol.rs:441:53
[INFO] [stderr]     |
[INFO] [stderr] 441 |                         let str_idx = unsafe { line.slice_unchecked(0_usize, off) };
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "8c3802ecc03335b97a8101025a1e904e16656e0468ca5e8a590fea8e63160213"`
[INFO] running `"docker" "rm" "-f" "8c3802ecc03335b97a8101025a1e904e16656e0468ca5e8a590fea8e63160213"`
[INFO] [stdout] 8c3802ecc03335b97a8101025a1e904e16656e0468ca5e8a590fea8e63160213
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/vtcol/0.42.2:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0ebf4e8fbba3f637f5f37c71c4fc20177f90ac3f8b16221a4b2d4eca9b958fd1
[INFO] running `"docker" "start" "-a" "0ebf4e8fbba3f637f5f37c71c4fc20177f90ac3f8b16221a4b2d4eca9b958fd1"`
[INFO] [stderr] warning: path `/opt/crater/workdir/src/vtcol.rs` was erroneously implicitly accepted for binary `vtcol`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] running `"docker" "inspect" "0ebf4e8fbba3f637f5f37c71c4fc20177f90ac3f8b16221a4b2d4eca9b958fd1"`
[INFO] running `"docker" "rm" "-f" "0ebf4e8fbba3f637f5f37c71c4fc20177f90ac3f8b16221a4b2d4eca9b958fd1"`
[INFO] [stdout] 0ebf4e8fbba3f637f5f37c71c4fc20177f90ac3f8b16221a4b2d4eca9b958fd1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/vtcol/0.42.2:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 6379845132fd9bd0c981f403923186769795e880c149de69bec235fb452e11a3
[INFO] running `"docker" "start" "-a" "6379845132fd9bd0c981f403923186769795e880c149de69bec235fb452e11a3"`
[INFO] [stderr] warning: path `/opt/crater/workdir/src/vtcol.rs` was erroneously implicitly accepted for binary `vtcol`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `"docker" "inspect" "6379845132fd9bd0c981f403923186769795e880c149de69bec235fb452e11a3"`
[INFO] running `"docker" "rm" "-f" "6379845132fd9bd0c981f403923186769795e880c149de69bec235fb452e11a3"`
[INFO] [stdout] 6379845132fd9bd0c981f403923186769795e880c149de69bec235fb452e11a3