[INFO] cloning repository https://github.com/MichaelButkovic/chippy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MichaelButkovic/chippy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelButkovic%2Fchippy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelButkovic%2Fchippy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f52bf6b3157af746bc0ec117a8705450fe89a87f
[INFO] testing MichaelButkovic/chippy against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelButkovic%2Fchippy" "/workspace/builds/worker-73/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-73/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MichaelButkovic/chippy on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-73/source/Cargo.toml
[INFO] crate git repo https://github.com/MichaelButkovic/chippy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd0a0feeabb793903cd1c189ede0bac2536c63bcd6878457152acfcfd4592206
[INFO] running `Command { std: "docker" "start" "-a" "bd0a0feeabb793903cd1c189ede0bac2536c63bcd6878457152acfcfd4592206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd0a0feeabb793903cd1c189ede0bac2536c63bcd6878457152acfcfd4592206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd0a0feeabb793903cd1c189ede0bac2536c63bcd6878457152acfcfd4592206", kill_on_drop: false }`
[INFO] [stdout] bd0a0feeabb793903cd1c189ede0bac2536c63bcd6878457152acfcfd4592206
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe8a5d400a8d495a66728e5a438e5199979236ef48240bc99a086fe6321aeb5b
[INFO] running `Command { std: "docker" "start" "-a" "fe8a5d400a8d495a66728e5a438e5199979236ef48240bc99a086fe6321aeb5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling chippy v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::old_io`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::old_io;
[INFO] [stdout]   |     ^^^^^^^^^^^ no `old_io` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::old_io`
[INFO] [stdout]  --> src/main.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::old_io::File;
[INFO] [stdout]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::old_io`
[INFO] [stdout]   --> src/main.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::old_io::BufferedReader;
[INFO] [stdout]    |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::old_io`
[INFO] [stdout]  --> src/cpu.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::old_io;
[INFO] [stdout]   |     ^^^^^^^^^^^ no `old_io` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::old_io`
[INFO] [stdout]  --> src/cpu.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::old_io::File;
[INFO] [stdout]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::old_io`
[INFO] [stdout]  --> src/cpu.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::old_io::BufferedReader;
[INFO] [stdout]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `getcwd` in module `os`
[INFO] [stdout]   --> src/cpu.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut path = os::getcwd().unwrap();
[INFO] [stdout]    |                        ^^^^^^ not found in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(io, path, os)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::os;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpu::CPU`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use cpu::CPU;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/cpu.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chippy`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "fe8a5d400a8d495a66728e5a438e5199979236ef48240bc99a086fe6321aeb5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe8a5d400a8d495a66728e5a438e5199979236ef48240bc99a086fe6321aeb5b", kill_on_drop: false }`
[INFO] [stdout] fe8a5d400a8d495a66728e5a438e5199979236ef48240bc99a086fe6321aeb5b
