[INFO] updating cached repository yukimakura/CSV_to_Vec_Vec_f64_parser
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yukimakura/CSV_to_Vec_Vec_f64_parser
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yukimakura/CSV_to_Vec_Vec_f64_parser" "work/ex/beta-1.38-1/sources/1.37.0/gh/yukimakura/CSV_to_Vec_Vec_f64_parser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/yukimakura/CSV_to_Vec_Vec_f64_parser'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yukimakura/CSV_to_Vec_Vec_f64_parser" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yukimakura/CSV_to_Vec_Vec_f64_parser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yukimakura/CSV_to_Vec_Vec_f64_parser'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 29446fd152cd1a5f408ad3e07126870e029bb752
[INFO] sha for GitHub repo yukimakura/CSV_to_Vec_Vec_f64_parser: 29446fd152cd1a5f408ad3e07126870e029bb752
[INFO] validating manifest of yukimakura/CSV_to_Vec_Vec_f64_parser 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 yukimakura/CSV_to_Vec_Vec_f64_parser 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 yukimakura/CSV_to_Vec_Vec_f64_parser
[INFO] finished frobbing yukimakura/CSV_to_Vec_Vec_f64_parser
[INFO] frobbed toml for yukimakura/CSV_to_Vec_Vec_f64_parser written to work/ex/beta-1.38-1/sources/1.37.0/gh/yukimakura/CSV_to_Vec_Vec_f64_parser/Cargo.toml
[INFO] started frobbing yukimakura/CSV_to_Vec_Vec_f64_parser
[INFO] finished frobbing yukimakura/CSV_to_Vec_Vec_f64_parser
[INFO] frobbed toml for yukimakura/CSV_to_Vec_Vec_f64_parser written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yukimakura/CSV_to_Vec_Vec_f64_parser/Cargo.toml
[INFO] crate yukimakura/CSV_to_Vec_Vec_f64_parser 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yukimakura/CSV_to_Vec_Vec_f64_parser/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 yukimakura/CSV_to_Vec_Vec_f64_parser 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-0/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/yukimakura/CSV_to_Vec_Vec_f64_parser:/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] 4c1b5b927cfeef6cea96258d6711c44d2cf4896b7dd8c6caa4c6857b0c2214ee
[INFO] running `"docker" "start" "-a" "4c1b5b927cfeef6cea96258d6711c44d2cf4896b7dd8c6caa4c6857b0c2214ee"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling bstr v0.2.7
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling CSV_to_Vec_Vec_f64_parser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:17:44
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn get_first_arg() -> Result<OsString, 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: crate `CSV_to_Vec_Vec_f64_parser` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `csv_to_vec_vec_f64_parser`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.96s
[INFO] running `"docker" "inspect" "4c1b5b927cfeef6cea96258d6711c44d2cf4896b7dd8c6caa4c6857b0c2214ee"`
[INFO] running `"docker" "rm" "-f" "4c1b5b927cfeef6cea96258d6711c44d2cf4896b7dd8c6caa4c6857b0c2214ee"`
[INFO] [stdout] 4c1b5b927cfeef6cea96258d6711c44d2cf4896b7dd8c6caa4c6857b0c2214ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/yukimakura/CSV_to_Vec_Vec_f64_parser:/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] a5f6b92224351a00af3ae43a6b7926f7f46ebbc40609209e3b78b516556f2bd8
[INFO] running `"docker" "start" "-a" "a5f6b92224351a00af3ae43a6b7926f7f46ebbc40609209e3b78b516556f2bd8"`
[INFO] [stderr]    Compiling CSV_to_Vec_Vec_f64_parser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:17:44
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn get_first_arg() -> Result<OsString, 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: crate `CSV_to_Vec_Vec_f64_parser` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `csv_to_vec_vec_f64_parser`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "a5f6b92224351a00af3ae43a6b7926f7f46ebbc40609209e3b78b516556f2bd8"`
[INFO] running `"docker" "rm" "-f" "a5f6b92224351a00af3ae43a6b7926f7f46ebbc40609209e3b78b516556f2bd8"`
[INFO] [stdout] a5f6b92224351a00af3ae43a6b7926f7f46ebbc40609209e3b78b516556f2bd8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/yukimakura/CSV_to_Vec_Vec_f64_parser:/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] d935b330fb57e83af694141771a7fc2a009dd6a5cbba5f8aad2ae5de6e8da8f7
[INFO] running `"docker" "start" "-a" "d935b330fb57e83af694141771a7fc2a009dd6a5cbba5f8aad2ae5de6e8da8f7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[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] [stderr]      Running /opt/crater/target/debug/deps/CSV_to_Vec_Vec_f64_parser-8db03e92b5489966
[INFO] running `"docker" "inspect" "d935b330fb57e83af694141771a7fc2a009dd6a5cbba5f8aad2ae5de6e8da8f7"`
[INFO] running `"docker" "rm" "-f" "d935b330fb57e83af694141771a7fc2a009dd6a5cbba5f8aad2ae5de6e8da8f7"`
[INFO] [stdout] d935b330fb57e83af694141771a7fc2a009dd6a5cbba5f8aad2ae5de6e8da8f7