[INFO] cloning repository lucarlig/quiz_game
[INFO] running `"git" "clone" "--bare" "git://github.com/lucarlig/quiz_game.git" "work/cache/sources/gh/lucarlig/quiz_game"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/lucarlig/quiz_game'...
[INFO] running `"git" "clone" "work/cache/sources/gh/lucarlig/quiz_game" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lucarlig/quiz_game"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lucarlig/quiz_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lucarlig/quiz_game" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lucarlig/quiz_game"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lucarlig/quiz_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bb0309cafb2ed242521173b52d913f3165447057
[INFO] sha for GitHub repo lucarlig/quiz_game: bb0309cafb2ed242521173b52d913f3165447057
[INFO] validating manifest of lucarlig/quiz_game on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lucarlig/quiz_game on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lucarlig/quiz_game
[INFO] finished frobbing lucarlig/quiz_game
[INFO] frobbed toml for lucarlig/quiz_game written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lucarlig/quiz_game/Cargo.toml
[INFO] started frobbing lucarlig/quiz_game
[INFO] finished frobbing lucarlig/quiz_game
[INFO] frobbed toml for lucarlig/quiz_game written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lucarlig/quiz_game/Cargo.toml
[INFO] crate lucarlig/quiz_game already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing lucarlig/quiz_game against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lucarlig/quiz_game:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 3697bf27694e333281d3c9cb17c158b367397d953d6e5e34f519030e840af8f9
[INFO] running `"docker" "start" "-a" "3697bf27694e333281d3c9cb17c158b367397d953d6e5e34f519030e840af8f9"`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling csv v1.0.5
[INFO] [stderr]    Compiling quiz_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:9:44
[INFO] [stderr]   |
[INFO] [stderr] 9 | 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:17:42
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn read_csv() -> Result<Vec<String>, Box<Error>> {
[INFO] [stderr]    |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.63s
[INFO] running `"docker" "inspect" "3697bf27694e333281d3c9cb17c158b367397d953d6e5e34f519030e840af8f9"`
[INFO] running `"docker" "rm" "-f" "3697bf27694e333281d3c9cb17c158b367397d953d6e5e34f519030e840af8f9"`
[INFO] [stdout] 3697bf27694e333281d3c9cb17c158b367397d953d6e5e34f519030e840af8f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lucarlig/quiz_game:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 136c8f3ce9b73776dbc14a4b599e81b746e2b4533ee3bc7609fc60a167bf826b
[INFO] running `"docker" "start" "-a" "136c8f3ce9b73776dbc14a4b599e81b746e2b4533ee3bc7609fc60a167bf826b"`
[INFO] [stderr]    Compiling quiz_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:9:44
[INFO] [stderr]   |
[INFO] [stderr] 9 | 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:17:42
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn read_csv() -> Result<Vec<String>, Box<Error>> {
[INFO] [stderr]    |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "136c8f3ce9b73776dbc14a4b599e81b746e2b4533ee3bc7609fc60a167bf826b"`
[INFO] running `"docker" "rm" "-f" "136c8f3ce9b73776dbc14a4b599e81b746e2b4533ee3bc7609fc60a167bf826b"`
[INFO] [stdout] 136c8f3ce9b73776dbc14a4b599e81b746e2b4533ee3bc7609fc60a167bf826b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lucarlig/quiz_game:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] ce9dcdff0a210deed98ffd464fab5593fc198aa9a53595c9c5387e5ddfaeb6de
[INFO] running `"docker" "start" "-a" "ce9dcdff0a210deed98ffd464fab5593fc198aa9a53595c9c5387e5ddfaeb6de"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/quiz_game-5874a08a8baaa680
[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" "ce9dcdff0a210deed98ffd464fab5593fc198aa9a53595c9c5387e5ddfaeb6de"`
[INFO] running `"docker" "rm" "-f" "ce9dcdff0a210deed98ffd464fab5593fc198aa9a53595c9c5387e5ddfaeb6de"`
[INFO] [stdout] ce9dcdff0a210deed98ffd464fab5593fc198aa9a53595c9c5387e5ddfaeb6de