[INFO] cloning repository https://github.com/GhostOfMe/digital_rain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GhostOfMe/digital_rain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGhostOfMe%2Fdigital_rain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGhostOfMe%2Fdigital_rain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c1fde679376415c8e61d1b388c1539fc2267337
[INFO] checking GhostOfMe/digital_rain against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGhostOfMe%2Fdigital_rain" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GhostOfMe/digital_rain on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-96/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/GhostOfMe/digital_rain
[INFO] finished tweaking git repo https://github.com/GhostOfMe/digital_rain
[INFO] tweaked toml for git repo https://github.com/GhostOfMe/digital_rain written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/GhostOfMe/digital_rain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ncurses v5.101.0
[INFO] [stderr]   Downloaded libc v0.2.89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfd24990d36295a1e53dfafc828f4fdfeb32672197f74afde5a11f4e17da21b9
[INFO] running `Command { std: "docker" "start" "-a" "cfd24990d36295a1e53dfafc828f4fdfeb32672197f74afde5a11f4e17da21b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfd24990d36295a1e53dfafc828f4fdfeb32672197f74afde5a11f4e17da21b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd24990d36295a1e53dfafc828f4fdfeb32672197f74afde5a11f4e17da21b9", kill_on_drop: false }`
[INFO] [stdout] cfd24990d36295a1e53dfafc828f4fdfeb32672197f74afde5a11f4e17da21b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 501f55b71a83665c692bb9dd76dd37e7bfbf478a4cecc13ef35ebd4031b7a7ec
[INFO] running `Command { std: "docker" "start" "-a" "501f55b71a83665c692bb9dd76dd37e7bfbf478a4cecc13ef35ebd4031b7a7ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking digital_rain v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `assoc_char_funcs` has been stable since 1.52.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(assoc_char_funcs, test)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `mutate_screen_loop` found for struct `rain::Screen` in the current scope
[INFO] [stdout]   --> src/main.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |         b.iter(|| s.mutate_screen_loop());
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^ method not found in `rain::Screen`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/rain.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Screen {
[INFO] [stdout]    | ----------------- method `mutate_screen_loop` not found for this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0624]: associated function `mutate_screen` is private
[INFO] [stdout]    --> src/main.rs:29:21
[INFO] [stdout]     |
[INFO] [stdout] 29  |         b.iter(|| s.mutate_screen());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^ private associated function
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rain.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn mutate_screen(&mut self) {
[INFO] [stdout]     |     --------------------------- private associated function defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0624.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `digital_rain` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "501f55b71a83665c692bb9dd76dd37e7bfbf478a4cecc13ef35ebd4031b7a7ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501f55b71a83665c692bb9dd76dd37e7bfbf478a4cecc13ef35ebd4031b7a7ec", kill_on_drop: false }`
[INFO] [stdout] 501f55b71a83665c692bb9dd76dd37e7bfbf478a4cecc13ef35ebd4031b7a7ec