[INFO] cloning repository https://github.com/Crtrpt/rust_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Crtrpt/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrtrpt%2Frust_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrtrpt%2Frust_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3b2a3f637fa078978dd84d8112a68ec53f41850
[INFO] testing Crtrpt/rust_playground against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrtrpt%2Frust_playground" "/workspace/builds/worker-103/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-103/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Crtrpt/rust_playground on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Crtrpt/rust_playground
[INFO] finished tweaking git repo https://github.com/Crtrpt/rust_playground
[INFO] tweaked toml for git repo https://github.com/Crtrpt/rust_playground written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] crate git repo https://github.com/Crtrpt/rust_playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcf0f9f36c2a73911e2d7510ab62764b842f2af78b12107f86d39c0de269484b
[INFO] running `Command { std: "docker" "start" "-a" "fcf0f9f36c2a73911e2d7510ab62764b842f2af78b12107f86d39c0de269484b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcf0f9f36c2a73911e2d7510ab62764b842f2af78b12107f86d39c0de269484b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcf0f9f36c2a73911e2d7510ab62764b842f2af78b12107f86d39c0de269484b", kill_on_drop: false }`
[INFO] [stdout] fcf0f9f36c2a73911e2d7510ab62764b842f2af78b12107f86d39c0de269484b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbac448c84ea2cb51aab2f8cbf0c47dbfe22c1801cf981c00b616c33dbcd525f
[INFO] running `Command { std: "docker" "start" "-a" "bbac448c84ea2cb51aab2f8cbf0c47dbfe22c1801cf981c00b616c33dbcd525f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling start_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `v`
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod v;
[INFO] [stdout]   | ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `v`, create file "src/v.rs" or "src/v/mod.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `P` in module `v`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let p= v::P{
[INFO] [stdout]   |               ^ not found in `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0583.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `start_rust` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "bbac448c84ea2cb51aab2f8cbf0c47dbfe22c1801cf981c00b616c33dbcd525f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbac448c84ea2cb51aab2f8cbf0c47dbfe22c1801cf981c00b616c33dbcd525f", kill_on_drop: false }`
[INFO] [stdout] bbac448c84ea2cb51aab2f8cbf0c47dbfe22c1801cf981c00b616c33dbcd525f