[INFO] cloning repository https://github.com/yonkeltron/csv-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yonkeltron/csv-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyonkeltron%2Fcsv-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyonkeltron%2Fcsv-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec983e3ea157cd6963bc8c4014c15cb3cdf93449
[INFO] checking yonkeltron/csv-experiment against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyonkeltron%2Fcsv-experiment" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yonkeltron/csv-experiment on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-14/source/Cargo.toml
[INFO] crate git repo https://github.com/yonkeltron/csv-experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1587460052af3a99192404fa0b7c1dfceb7bc2d49bbe2a76565ff4113b2bbf1
[INFO] running `Command { std: "docker" "start" "-a" "c1587460052af3a99192404fa0b7c1dfceb7bc2d49bbe2a76565ff4113b2bbf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1587460052af3a99192404fa0b7c1dfceb7bc2d49bbe2a76565ff4113b2bbf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1587460052af3a99192404fa0b7c1dfceb7bc2d49bbe2a76565ff4113b2bbf1", kill_on_drop: false }`
[INFO] [stdout] c1587460052af3a99192404fa0b7c1dfceb7bc2d49bbe2a76565ff4113b2bbf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab220f92ed1ee6049fc21210da93e3c1791dd9eb5a7ffeb5ab4ff576ccdadfa9
[INFO] running `Command { std: "docker" "start" "-a" "ab220f92ed1ee6049fc21210da93e3c1791dd9eb5a7ffeb5ab4ff576ccdadfa9", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking rand v0.3.15
[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] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:80:73
[INFO] [stdout]    |
[INFO] [stdout] 80 |         Err(problem) => panic!("Couldn't open {}: {}", display, problem.description()),
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:80:73
[INFO] [stdout]    |
[INFO] [stdout] 80 |         Err(problem) => panic!("Couldn't open {}: {}", display, problem.description()),
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "ab220f92ed1ee6049fc21210da93e3c1791dd9eb5a7ffeb5ab4ff576ccdadfa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab220f92ed1ee6049fc21210da93e3c1791dd9eb5a7ffeb5ab4ff576ccdadfa9", kill_on_drop: false }`
[INFO] [stdout] ab220f92ed1ee6049fc21210da93e3c1791dd9eb5a7ffeb5ab4ff576ccdadfa9