[INFO] updating cached repository 35359595/bigdata
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/35359595/bigdata
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/35359595/bigdata" "work/ex/beta-1.38-1/sources/1.37.0/gh/35359595/bigdata"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/35359595/bigdata'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/35359595/bigdata" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/35359595/bigdata"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/35359595/bigdata'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9cd0f5ccfdab1a6be5bb266c48efa15d5006ceda
[INFO] sha for GitHub repo 35359595/bigdata: 9cd0f5ccfdab1a6be5bb266c48efa15d5006ceda
[INFO] validating manifest of 35359595/bigdata on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 35359595/bigdata on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing 35359595/bigdata
[INFO] finished frobbing 35359595/bigdata
[INFO] frobbed toml for 35359595/bigdata written to work/ex/beta-1.38-1/sources/1.37.0/gh/35359595/bigdata/Cargo.toml
[INFO] started frobbing 35359595/bigdata
[INFO] finished frobbing 35359595/bigdata
[INFO] frobbed toml for 35359595/bigdata written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/35359595/bigdata/Cargo.toml
[INFO] crate 35359595/bigdata already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/35359595/bigdata/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing 35359595/bigdata against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/35359595/bigdata:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 330dcfc883b9d422341431149cd3e6c3afd2b379c3ea1c4c094492729913b265
[INFO] running `"docker" "start" "-a" "330dcfc883b9d422341431149cd3e6c3afd2b379c3ea1c4c094492729913b265"`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling bstr v0.2.7
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling bigdata v0.1.0 (/opt/crater/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] error[E0599]: no function or associated item named `from_file` found for type `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 type `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 type `RCounter` in the current scope
[INFO] [stderr]    --> src/main.rs:149:19
[INFO] [stderr]     |
[INFO] [stderr] 31  | struct RCounter {
[INFO] [stderr]     | --------------- method `into_iter` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 149 |                 for c in rate.into_iter() {
[INFO] [stderr]     |                               ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `into_iter` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `&RCounter : std::iter::IntoIterator`
[INFO] [stderr]             `&mut RCounter : std::iter::IntoIterator`
[INFO] [stderr]             `RCounter : std::iter::IntoIterator`
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `into_iter`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `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] running `"docker" "inspect" "330dcfc883b9d422341431149cd3e6c3afd2b379c3ea1c4c094492729913b265"`
[INFO] running `"docker" "rm" "-f" "330dcfc883b9d422341431149cd3e6c3afd2b379c3ea1c4c094492729913b265"`
[INFO] [stdout] 330dcfc883b9d422341431149cd3e6c3afd2b379c3ea1c4c094492729913b265