[INFO] updating cached repository https://github.com/yonkeltron/csv-experiment
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec983e3ea157cd6963bc8c4014c15cb3cdf93449
[INFO] checking yonkeltron/csv-experiment against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyonkeltron%2Fcsv-experiment" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yonkeltron/csv-experiment on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/yonkeltron/csv-experiment
[INFO] finished tweaking git repo https://github.com/yonkeltron/csv-experiment
[INFO] tweaked toml for git repo https://github.com/yonkeltron/csv-experiment written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/yonkeltron/csv-experiment already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a74bf9c52e399915f455d4bebd5b95f47cde68c719602a58d14c7ff9d6e17f19
[INFO] running `"docker" "start" "-a" "a74bf9c52e399915f455d4bebd5b95f47cde68c719602a58d14c7ff9d6e17f19"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking clap v2.19.1
[INFO] [stderr]     Checking jobsteal v0.5.1
[INFO] [stderr]     Checking csv-experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:80:73
[INFO] [stderr]    |
[INFO] [stderr] 80 |         Err(problem) => panic!("Couldn't open {}: {}", display, problem.description()),
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:80:73
[INFO] [stderr]    |
[INFO] [stderr] 80 |         Err(problem) => panic!("Couldn't open {}: {}", display, problem.description()),
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.86s
[INFO] running `"docker" "inspect" "a74bf9c52e399915f455d4bebd5b95f47cde68c719602a58d14c7ff9d6e17f19"`
[INFO] running `"docker" "rm" "-f" "a74bf9c52e399915f455d4bebd5b95f47cde68c719602a58d14c7ff9d6e17f19"`
[INFO] [stdout] a74bf9c52e399915f455d4bebd5b95f47cde68c719602a58d14c7ff9d6e17f19