[INFO] fetching crate ritemlcr 0.1.0...
[INFO] checking ritemlcr-0.1.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate ritemlcr 0.1.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate ritemlcr 0.1.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ritemlcr 0.1.0
[INFO] finished tweaking crates.io crate ritemlcr 0.1.0
[INFO] tweaked toml for crates.io crate ritemlcr 0.1.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate ritemlcr 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f99fc791066d03615bfda30debb1c449afb7706e246aeacaa48d2a0879e7f026
[INFO] running `Command { std: "docker" "start" "-a" "f99fc791066d03615bfda30debb1c449afb7706e246aeacaa48d2a0879e7f026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f99fc791066d03615bfda30debb1c449afb7706e246aeacaa48d2a0879e7f026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99fc791066d03615bfda30debb1c449afb7706e246aeacaa48d2a0879e7f026", kill_on_drop: false }`
[INFO] [stdout] f99fc791066d03615bfda30debb1c449afb7706e246aeacaa48d2a0879e7f026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d5a18c6f08d58a5249da6952ddef11ddaeba3b2ea6933e68e7a41f9b7e483e1
[INFO] running `Command { std: "docker" "start" "-a" "3d5a18c6f08d58a5249da6952ddef11ddaeba3b2ea6933e68e7a41f9b7e483e1", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand_distr v0.4.0
[INFO] [stderr]     Checking ritenn v0.1.0
[INFO] [stderr]     Checking ritemlcr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `simple`
[INFO] [stdout]   --> examples/simple.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / extern crate ritemlcr;
[INFO] [stdout] 2  | |
[INFO] [stdout] 3  | | fn simple() {
[INFO] [stdout] 4  | |     let mut cache = ritemlcr::Cache::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     cache.touch(2);
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `examples/simple.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ritemlcr` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3d5a18c6f08d58a5249da6952ddef11ddaeba3b2ea6933e68e7a41f9b7e483e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d5a18c6f08d58a5249da6952ddef11ddaeba3b2ea6933e68e7a41f9b7e483e1", kill_on_drop: false }`
[INFO] [stdout] 3d5a18c6f08d58a5249da6952ddef11ddaeba3b2ea6933e68e7a41f9b7e483e1