[INFO] updating cached repository https://github.com/MichaelButkovic/chippy
[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] f52bf6b3157af746bc0ec117a8705450fe89a87f
[INFO] checking MichaelButkovic/chippy against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelButkovic%2Fchippy" "/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/MichaelButkovic/chippy on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/MichaelButkovic/chippy
[INFO] finished tweaking git repo https://github.com/MichaelButkovic/chippy
[INFO] tweaked toml for git repo https://github.com/MichaelButkovic/chippy written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/MichaelButkovic/chippy already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 63dc4c08c7ebd3288ed977b56df3a25392be1582af080716d35b79a329ba38b3
[INFO] running `"docker" "start" "-a" "63dc4c08c7ebd3288ed977b56df3a25392be1582af080716d35b79a329ba38b3"`
[INFO] [stderr]     Checking chippy v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::old_io;
[INFO] [stderr]   |     ^^^^^^^^^^^ no `old_io` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/main.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::old_io::File;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]   --> src/main.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::old_io::BufferedReader;
[INFO] [stderr]    |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/cpu.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::old_io;
[INFO] [stderr]   |     ^^^^^^^^^^^ no `old_io` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/cpu.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::old_io::File;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/cpu.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::old_io::BufferedReader;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getcwd` in module `os`
[INFO] [stderr]   --> src/cpu.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut path = os::getcwd().unwrap();
[INFO] [stderr]    |                        ^^^^^^ not found in `os`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::os;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::CPU`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use cpu::CPU;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/cpu.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::old_io;
[INFO] [stderr]   |     ^^^^^^^^^^^ no `old_io` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/main.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::old_io::File;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]   --> src/main.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::old_io::BufferedReader;
[INFO] [stderr]    |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/cpu.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::old_io;
[INFO] [stderr]   |     ^^^^^^^^^^^ no `old_io` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/cpu.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::old_io::File;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/cpu.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::old_io::BufferedReader;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getcwd` in module `os`
[INFO] [stderr]   --> src/cpu.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut path = os::getcwd().unwrap();
[INFO] [stderr]    |                        ^^^^^^ not found in `os`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::os;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::CPU`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use cpu::CPU;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/cpu.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `chippy`.
[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 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `chippy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "63dc4c08c7ebd3288ed977b56df3a25392be1582af080716d35b79a329ba38b3"`
[INFO] running `"docker" "rm" "-f" "63dc4c08c7ebd3288ed977b56df3a25392be1582af080716d35b79a329ba38b3"`
[INFO] [stdout] 63dc4c08c7ebd3288ed977b56df3a25392be1582af080716d35b79a329ba38b3
