[INFO] cloning repository https://github.com/ericrobolson/LpR
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ericrobolson/LpR" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericrobolson%2FLpR", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericrobolson%2FLpR'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] adec60bc43485d8e28994dd3ec6a6026047794b4
[INFO] checking ericrobolson/LpR against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericrobolson%2FLpR" "/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/ericrobolson/LpR on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ericrobolson/LpR
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/ericrobolson/LpR
[INFO] tweaked toml for git repo https://github.com/ericrobolson/LpR written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ericrobolson/LpR already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1634a325569333d3dc8c7c3305c353eeb0d29fdd378471caaa94ed1f332cbece
[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" "1634a325569333d3dc8c7c3305c353eeb0d29fdd378471caaa94ed1f332cbece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1634a325569333d3dc8c7c3305c353eeb0d29fdd378471caaa94ed1f332cbece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1634a325569333d3dc8c7c3305c353eeb0d29fdd378471caaa94ed1f332cbece", kill_on_drop: false }`
[INFO] [stdout] 1634a325569333d3dc8c7c3305c353eeb0d29fdd378471caaa94ed1f332cbece
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--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] 6cbc61e5dc76c2c4af59d4c4f20e95528a83068c315f8aa4f2dcc66e3343d7fd
[INFO] running `Command { std: "docker" "start" "-a" "6cbc61e5dc76c2c4af59d4c4f20e95528a83068c315f8aa4f2dcc66e3343d7fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling lpr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `!` or `::`, found `is`
[INFO] [stdout]  --> examples/hello_world.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     This is a first level header
[INFO] [stdout]   |          ^^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/hello_world.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `hello_world`
[INFO] [stdout]   --> examples/hello_world.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / #[macro_use]
[INFO] [stdout] 2  | | extern crate lpr;
[INFO] [stdout] 3  | | use lpr::*;
[INFO] [stdout] 4  | |
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |     }
[INFO] [stdout] 36 | | );
[INFO] [stdout]    | |__^ consider adding a `main` function to `examples/hello_world.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lpr`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6cbc61e5dc76c2c4af59d4c4f20e95528a83068c315f8aa4f2dcc66e3343d7fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cbc61e5dc76c2c4af59d4c4f20e95528a83068c315f8aa4f2dcc66e3343d7fd", kill_on_drop: false }`
[INFO] [stdout] 6cbc61e5dc76c2c4af59d4c4f20e95528a83068c315f8aa4f2dcc66e3343d7fd