[INFO] cloning repository https://github.com/35359595/bigdata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/35359595/bigdata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F35359595%2Fbigdata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F35359595%2Fbigdata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cd0f5ccfdab1a6be5bb266c48efa15d5006ceda
[INFO] checking 35359595/bigdata against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F35359595%2Fbigdata" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  90% (10/11)   
Checking out files: 100% (11/11)   
Checking out files: 100% (11/11), done.
[INFO] validating manifest of git repo https://github.com/35359595/bigdata on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/35359595/bigdata already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/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[INFO] the lockfile is outdated, regenerating it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 `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec5bfbd366c03df1c6a01d7910c331ed07f7f6a6bf511c8844e880eae35bbe5a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ec5bfbd366c03df1c6a01d7910c331ed07f7f6a6bf511c8844e880eae35bbe5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec5bfbd366c03df1c6a01d7910c331ed07f7f6a6bf511c8844e880eae35bbe5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec5bfbd366c03df1c6a01d7910c331ed07f7f6a6bf511c8844e880eae35bbe5a", kill_on_drop: false }`
[INFO] [stdout] ec5bfbd366c03df1c6a01d7910c331ed07f7f6a6bf511c8844e880eae35bbe5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 068d3e97f8e56734e793b28bbb95b9d5f572124419b60984a5f5a8f02c3867d0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "068d3e97f8e56734e793b28bbb95b9d5f572124419b60984a5f5a8f02c3867d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking bigdata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_file` found for struct `Reader<_>` in the current scope
[INFO] [stdout]   --> src/main.rs:45:31
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut train = csv::Reader::from_file("./data/train.csv").unwrap();
[INFO] [stdout]    |                                  ^^^^^^^^^ function or associated item not found in `Reader<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_file` found for struct `Reader<_>` in the current scope
[INFO] [stdout]    --> src/main.rs:105:30
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut test = csv::Reader::from_file("./data/test.csv").unwrap();
[INFO] [stdout]     |                                 ^^^^^^^^^ function or associated item not found in `Reader<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_iter` found for struct `RCounter` in the current scope
[INFO] [stdout]    --> src/main.rs:149:19
[INFO] [stdout]     |
[INFO] [stdout] 31  | struct RCounter {
[INFO] [stdout]     | ---------------
[INFO] [stdout]     | |
[INFO] [stdout]     | method `into_iter` not found for this
[INFO] [stdout]     | doesn't satisfy `RCounter: IntoIterator`
[INFO] [stdout]     | doesn't satisfy `RCounter: Iterator`
[INFO] [stdout] ...
[INFO] [stdout] 149 |                 for c in rate.into_iter() {
[INFO] [stdout]     |                               ^^^^^^^^^ method not found in `RCounter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method `into_iter` exists but the following trait bounds were not satisfied:
[INFO] [stdout]             `RCounter: Iterator`
[INFO] [stdout]             which is required by `RCounter: IntoIterator`
[INFO] [stdout]             `&RCounter: Iterator`
[INFO] [stdout]             which is required by `&RCounter: IntoIterator`
[INFO] [stdout]             `&mut RCounter: Iterator`
[INFO] [stdout]             which is required by `&mut RCounter: IntoIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bigdata`.
[INFO] [stdout] error[E0599]: no function or associated item named `from_file` found for struct `Reader<_>` in the current scope
[INFO] [stdout]   --> src/main.rs:45:31
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut train = csv::Reader::from_file("./data/train.csv").unwrap();
[INFO] [stdout]    |                                  ^^^^^^^^^ function or associated item not found in `Reader<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no function or associated item named `from_file` found for struct `Reader<_>` in the current scope
[INFO] [stdout]    --> src/main.rs:105:30
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut test = csv::Reader::from_file("./data/test.csv").unwrap();
[INFO] [stdout]     |                                 ^^^^^^^^^ function or associated item not found in `Reader<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_iter` found for struct `RCounter` in the current scope
[INFO] [stdout]    --> src/main.rs:149:19
[INFO] [stdout]     |
[INFO] [stdout] 31  | struct RCounter {
[INFO] [stdout]     | ---------------
[INFO] [stdout]     | |
[INFO] [stdout]     | method `into_iter` not found for this
[INFO] [stdout]     | doesn't satisfy `RCounter: IntoIterator`
[INFO] [stdout]     | doesn't satisfy `RCounter: Iterator`
[INFO] [stdout] ...
[INFO] [stdout] 149 |                 for c in rate.into_iter() {
[INFO] [stdout]     |                               ^^^^^^^^^ method not found in `RCounter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method `into_iter` exists but the following trait bounds were not satisfied:
[INFO] [stdout]             `RCounter: Iterator`
[INFO] [stdout]             which is required by `RCounter: IntoIterator`
[INFO] [stdout]             `&RCounter: Iterator`
[INFO] [stdout]             which is required by `&RCounter: IntoIterator`
[INFO] [stdout]             `&mut RCounter: Iterator`
[INFO] [stdout]             which is required by `&mut RCounter: IntoIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "068d3e97f8e56734e793b28bbb95b9d5f572124419b60984a5f5a8f02c3867d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068d3e97f8e56734e793b28bbb95b9d5f572124419b60984a5f5a8f02c3867d0", kill_on_drop: false }`
[INFO] [stdout] 068d3e97f8e56734e793b28bbb95b9d5f572124419b60984a5f5a8f02c3867d0
