[INFO] cloning repository https://github.com/yukimakura/CSV_to_Vec_Vec_f64_parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yukimakura/CSV_to_Vec_Vec_f64_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimakura%2FCSV_to_Vec_Vec_f64_parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimakura%2FCSV_to_Vec_Vec_f64_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29446fd152cd1a5f408ad3e07126870e029bb752
[INFO] checking yukimakura/CSV_to_Vec_Vec_f64_parser against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimakura%2FCSV_to_Vec_Vec_f64_parser" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yukimakura/CSV_to_Vec_Vec_f64_parser on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yukimakura/CSV_to_Vec_Vec_f64_parser
[INFO] finished tweaking git repo https://github.com/yukimakura/CSV_to_Vec_Vec_f64_parser
[INFO] tweaked toml for git repo https://github.com/yukimakura/CSV_to_Vec_Vec_f64_parser written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/yukimakura/CSV_to_Vec_Vec_f64_parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5948ad2066beeaecdeef451ebfc4b61665b18ed37acbfbc596d836f5ab8e88ca
[INFO] running `Command { std: "docker" "start" "-a" "5948ad2066beeaecdeef451ebfc4b61665b18ed37acbfbc596d836f5ab8e88ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5948ad2066beeaecdeef451ebfc4b61665b18ed37acbfbc596d836f5ab8e88ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5948ad2066beeaecdeef451ebfc4b61665b18ed37acbfbc596d836f5ab8e88ca", kill_on_drop: false }`
[INFO] [stdout] 5948ad2066beeaecdeef451ebfc4b61665b18ed37acbfbc596d836f5ab8e88ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d904eff31b990fcb50c1ffcd07645e5bb7533b6aa4869acaa22017dc3294b8cd
[INFO] running `Command { std: "docker" "start" "-a" "d904eff31b990fcb50c1ffcd07645e5bb7533b6aa4869acaa22017dc3294b8cd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]     Checking CSV_to_Vec_Vec_f64_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:17:44
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn get_first_arg() -> Result<OsString, Box<Error>> {
[INFO] [stdout]    |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:17:44
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn get_first_arg() -> Result<OsString, Box<Error>> {
[INFO] [stdout]    |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `CSV_to_Vec_Vec_f64_parser` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `csv_to_vec_vec_f64_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `CSV_to_Vec_Vec_f64_parser` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `csv_to_vec_vec_f64_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.13s
[INFO] running `Command { std: "docker" "inspect" "d904eff31b990fcb50c1ffcd07645e5bb7533b6aa4869acaa22017dc3294b8cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d904eff31b990fcb50c1ffcd07645e5bb7533b6aa4869acaa22017dc3294b8cd", kill_on_drop: false }`
[INFO] [stdout] d904eff31b990fcb50c1ffcd07645e5bb7533b6aa4869acaa22017dc3294b8cd