[INFO] updating cached repository https://github.com/35359595/bigdata
[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] 9cd0f5ccfdab1a6be5bb266c48efa15d5006ceda
[INFO] checking 35359595/bigdata against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F35359595%2Fbigdata" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/35359595/bigdata on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/35359595/bigdata
[INFO] finished tweaking git repo https://github.com/35359595/bigdata
[INFO] tweaked toml for git repo https://github.com/35359595/bigdata written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/35359595/bigdata already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] c5433556414922e35d6baef429cb7123f46b471ac9844b51fa2cb0b900d1bb54
[INFO] running `"docker" "start" "-a" "c5433556414922e35d6baef429cb7123f46b471ac9844b51fa2cb0b900d1bb54"`
[INFO] [stderr]     Checking bigdata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> src/main.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fs::{File, OpenOptions};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> src/main.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fs::{File, OpenOptions};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_file` found for struct `csv::Reader<_>` in the current scope
[INFO] [stderr]   --> src/main.rs:45:31
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let mut train = csv::Reader::from_file("./data/train.csv").unwrap();
[INFO] [stderr]    |                                  ^^^^^^^^^ function or associated item not found in `csv::Reader<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_file` found for struct `csv::Reader<_>` in the current scope
[INFO] [stderr]   --> src/main.rs:45:31
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let mut train = csv::Reader::from_file("./data/train.csv").unwrap();
[INFO] [stderr]    |                                  ^^^^^^^^^ function or associated item not found in `csv::Reader<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_file` found for struct `csv::Reader<_>` in the current scope
[INFO] [stderr]    --> src/main.rs:105:30
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let mut test = csv::Reader::from_file("./data/test.csv").unwrap();
[INFO] [stderr]     |                                 ^^^^^^^^^ function or associated item not found in `csv::Reader<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_file` found for struct `csv::Reader<_>` in the current scope
[INFO] [stderr]    --> src/main.rs:105:30
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let mut test = csv::Reader::from_file("./data/test.csv").unwrap();
[INFO] [stderr]     |                                 ^^^^^^^^^ function or associated item not found in `csv::Reader<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `into_iter` found for struct `RCounter` in the current scope
[INFO] [stderr]    --> src/main.rs:149:19
[INFO] [stderr]     |
[INFO] [stderr] 31  | struct RCounter {
[INFO] [stderr]     | ---------------
[INFO] [stderr]     | |
[INFO] [stderr]     | method `into_iter` not found for this
[INFO] [stderr]     | doesn't satisfy `RCounter: std::iter::IntoIterator`
[INFO] [stderr]     | doesn't satisfy `RCounter: std::iter::Iterator`
[INFO] [stderr] ...
[INFO] [stderr] 149 |                 for c in rate.into_iter() {
[INFO] [stderr]     |                               ^^^^^^^^^ method not found in `RCounter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `into_iter` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `RCounter: std::iter::Iterator`
[INFO] [stderr]             which is required by `RCounter: std::iter::IntoIterator`
[INFO] [stderr]             `&RCounter: std::iter::Iterator`
[INFO] [stderr]             which is required by `&RCounter: std::iter::IntoIterator`
[INFO] [stderr]             `&mut RCounter: std::iter::Iterator`
[INFO] [stderr]             which is required by `&mut RCounter: std::iter::IntoIterator`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `into_iter` found for struct `RCounter` in the current scope
[INFO] [stderr]    --> src/main.rs:149:19
[INFO] [stderr]     |
[INFO] [stderr] 31  | struct RCounter {
[INFO] [stderr]     | ---------------
[INFO] [stderr]     | |
[INFO] [stderr]     | method `into_iter` not found for this
[INFO] [stderr]     | doesn't satisfy `RCounter: std::iter::IntoIterator`
[INFO] [stderr]     | doesn't satisfy `RCounter: std::iter::Iterator`
[INFO] [stderr] ...
[INFO] [stderr] 149 |                 for c in rate.into_iter() {
[INFO] [stderr]     |                               ^^^^^^^^^ method not found in `RCounter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `into_iter` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `RCounter: std::iter::Iterator`
[INFO] [stderr]             which is required by `RCounter: std::iter::IntoIterator`
[INFO] [stderr]             `&RCounter: std::iter::Iterator`
[INFO] [stderr]             which is required by `&RCounter: std::iter::IntoIterator`
[INFO] [stderr]             `&mut RCounter: std::iter::Iterator`
[INFO] [stderr]             which is required by `&mut RCounter: std::iter::IntoIterator`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `bigdata`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `bigdata`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c5433556414922e35d6baef429cb7123f46b471ac9844b51fa2cb0b900d1bb54"`
[INFO] running `"docker" "rm" "-f" "c5433556414922e35d6baef429cb7123f46b471ac9844b51fa2cb0b900d1bb54"`
[INFO] [stdout] c5433556414922e35d6baef429cb7123f46b471ac9844b51fa2cb0b900d1bb54
