[INFO] cloning repository https://github.com/juliusrajala/rusty-toolkit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juliusrajala/rusty-toolkit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliusrajala%2Frusty-toolkit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliusrajala%2Frusty-toolkit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5747e691d9aef64934e6c18c4a693dcf622f37f5
[INFO] testing juliusrajala/rusty-toolkit against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliusrajala%2Frusty-toolkit" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juliusrajala/rusty-toolkit on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/juliusrajala/rusty-toolkit
[INFO] finished tweaking git repo https://github.com/juliusrajala/rusty-toolkit
[INFO] tweaked toml for git repo https://github.com/juliusrajala/rusty-toolkit written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/juliusrajala/rusty-toolkit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 998da0ec44758ca60fe87a0e3b30e38159d115effbf5cdc7b27bad828ecf09af
[INFO] running `Command { std: "docker" "start" "-a" "998da0ec44758ca60fe87a0e3b30e38159d115effbf5cdc7b27bad828ecf09af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "998da0ec44758ca60fe87a0e3b30e38159d115effbf5cdc7b27bad828ecf09af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "998da0ec44758ca60fe87a0e3b30e38159d115effbf5cdc7b27bad828ecf09af", kill_on_drop: false }`
[INFO] [stdout] 998da0ec44758ca60fe87a0e3b30e38159d115effbf5cdc7b27bad828ecf09af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4947d7b40ea778e41bd6c8c860db85a7cdff1aa56cff561030c80e55b9eb12f7
[INFO] running `Command { std: "docker" "start" "-a" "4947d7b40ea778e41bd6c8c860db85a7cdff1aa56cff561030c80e55b9eb12f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `ErrorKind`
[INFO] [stdout]   --> src/filesys.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 |             if why.kind() == ErrorKind::NotFound { create_dir(&file_path); }
[INFO] [stdout]    |                              ^^^^^^^^^ use of undeclared type or module `ErrorKind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/filesys.rs:19:63
[INFO] [stdout]    |
[INFO] [stdout] 19 |             if why.kind() == ErrorKind::NotFound { create_dir(&file_path); }
[INFO] [stdout]    |                                                               ^^^^^^^^^^
[INFO] [stdout]    |                                                               |
[INFO] [stdout]    |                                                               expected struct `std::string::String`, found `&std::string::String`
[INFO] [stdout]    |                                                               help: consider removing the borrow: `file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/filesys.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tools`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4947d7b40ea778e41bd6c8c860db85a7cdff1aa56cff561030c80e55b9eb12f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4947d7b40ea778e41bd6c8c860db85a7cdff1aa56cff561030c80e55b9eb12f7", kill_on_drop: false }`
[INFO] [stdout] 4947d7b40ea778e41bd6c8c860db85a7cdff1aa56cff561030c80e55b9eb12f7