[INFO] updating cached repository https://github.com/lazylook2/rust_study
[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] [stderr] From https://github.com/lazylook2/rust_study
[INFO] [stderr]    499240a..2b3c4d3  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2b3c4d3e01ad75c5ebcdd34aef4e4bc7d29b97d8
[INFO] checking lazylook2/rust_study against master#450abe80f193ccefbfcd48214d70520f2d507f0e for pr-73084
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazylook2%2Frust_study" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lazylook2/rust_study on toolchain 450abe80f193ccefbfcd48214d70520f2d507f0e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lazylook2/rust_study
[INFO] finished tweaking git repo https://github.com/lazylook2/rust_study
[INFO] tweaked toml for git repo https://github.com/lazylook2/rust_study written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lazylook2/rust_study already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "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] d6d0f31391987f8b42c1b839ce0af5d1de4a796be9390e36ce1c96c7e249fce1
[INFO] running `"docker" "start" "-a" "d6d0f31391987f8b42c1b839ce0af5d1de4a796be9390e36ce1c96c7e249fce1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking rust_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0425]: cannot find value `guess` in this scope
[INFO] [stderr]   --> src/error.rs:90:32
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let guess: i32 = match guess.trim().parse() {
[INFO] [stderr]    |                                ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `secret_number` in this scope
[INFO] [stderr]   --> src/error.rs:98:26
[INFO] [stderr]    |
[INFO] [stderr] 98 |         match guess.cmp(&secret_number) {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]  --> src/error.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{ErrorKind, Read, Error};
[INFO] [stderr]   |               ^^^^^^^^^        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `teacher` should have an upper camel case name
[INFO] [stderr]   --> src/generics_trait.rs:73:15
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub trait teacher {
[INFO] [stderr]    |               ^^^^^^^ help: convert the identifier to upper camel case: `Teacher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `guess` in this scope
[INFO] [stderr]   --> src/error.rs:90:32
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let guess: i32 = match guess.trim().parse() {
[INFO] [stderr]    |                                ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `secret_number` in this scope
[INFO] [stderr]   --> src/error.rs:98:26
[INFO] [stderr]    |
[INFO] [stderr] 98 |         match guess.cmp(&secret_number) {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]  --> src/error.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{ErrorKind, Read, Error};
[INFO] [stderr]   |               ^^^^^^^^^        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `teacher` should have an upper camel case name
[INFO] [stderr]   --> src/generics_trait.rs:73:15
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub trait teacher {
[INFO] [stderr]    |               ^^^^^^^ help: convert the identifier to upper camel case: `Teacher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `rust_study`.
[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: build failed
[INFO] running `"docker" "inspect" "d6d0f31391987f8b42c1b839ce0af5d1de4a796be9390e36ce1c96c7e249fce1"`
[INFO] running `"docker" "rm" "-f" "d6d0f31391987f8b42c1b839ce0af5d1de4a796be9390e36ce1c96c7e249fce1"`
[INFO] [stdout] d6d0f31391987f8b42c1b839ce0af5d1de4a796be9390e36ce1c96c7e249fce1