[INFO] cloning repository https://github.com/ConnorDillon/project-squirrel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ConnorDillon/project-squirrel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorDillon%2Fproject-squirrel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorDillon%2Fproject-squirrel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44ed4ad9911e176590d419575e58cc3abef1c0d2
[INFO] testing ConnorDillon/project-squirrel against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorDillon%2Fproject-squirrel" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ConnorDillon/project-squirrel on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ConnorDillon/project-squirrel
[INFO] finished tweaking git repo https://github.com/ConnorDillon/project-squirrel
[INFO] tweaked toml for git repo https://github.com/ConnorDillon/project-squirrel written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ConnorDillon/project-squirrel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f25426d0beb138bf672baeec4dc6c5d17c2f16fb29e259ddfb20206cd8fb7e62
[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" "f25426d0beb138bf672baeec4dc6c5d17c2f16fb29e259ddfb20206cd8fb7e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f25426d0beb138bf672baeec4dc6c5d17c2f16fb29e259ddfb20206cd8fb7e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f25426d0beb138bf672baeec4dc6c5d17c2f16fb29e259ddfb20206cd8fb7e62", kill_on_drop: false }`
[INFO] [stdout] f25426d0beb138bf672baeec4dc6c5d17c2f16fb29e259ddfb20206cd8fb7e62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffafffe9f8c9c6db30b3aa7ae88fc434c1cef2d6a0b41dc2f6a67fa4abb6ef4c
[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" "ffafffe9f8c9c6db30b3aa7ae88fc434c1cef2d6a0b41dc2f6a67fa4abb6ef4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling chunked_transfer v1.4.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling tar v0.4.35
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling ureq v2.1.1
[INFO] [stderr]    Compiling project-squirrel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `windows` in `os`
[INFO] [stdout]  --> src/main.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::os::windows::fs::symlink_dir;
[INFO] [stdout]   |              ^^^^^^^ could not find `windows` in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `symlink_dir` in this scope
[INFO] [stdout]    --> src/main.rs:281:5
[INFO] [stdout]     |
[INFO] [stdout] 281 |     symlink_dir(&devid, mount_point).expect(&format!(
[INFO] [stdout]     |     ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `project-squirrel` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "ffafffe9f8c9c6db30b3aa7ae88fc434c1cef2d6a0b41dc2f6a67fa4abb6ef4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffafffe9f8c9c6db30b3aa7ae88fc434c1cef2d6a0b41dc2f6a67fa4abb6ef4c", kill_on_drop: false }`
[INFO] [stdout] ffafffe9f8c9c6db30b3aa7ae88fc434c1cef2d6a0b41dc2f6a67fa4abb6ef4c