[INFO] crate grep 0.2.4 is already in cache
[INFO] checking grep-0.2.4 against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] extracting crate grep 0.2.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate grep 0.2.4 on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate grep 0.2.4
[INFO] finished tweaking crates.io crate grep 0.2.4
[INFO] tweaked toml for crates.io crate grep 0.2.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6fc70a03d81e15f21d31531c97dbb466e570795daaa4466e3b2963861cf11677
[INFO] running `"docker" "start" "-a" "6fc70a03d81e15f21d31531c97dbb466e570795daaa4466e3b2963861cf11677"`
[INFO] [stderr]     Checking bytecount v0.5.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking grep-regex v0.1.5
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking grep-searcher v0.1.6
[INFO] [stderr]     Checking grep-cli v0.1.3
[INFO] [stderr]     Checking grep-printer v0.1.3
[INFO] [stderr]     Checking grep v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/simplegrep.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn try_main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/simplegrep.rs:35:64
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn search(pattern: &str, paths: &[OsString]) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.00s
[INFO] running `"docker" "inspect" "6fc70a03d81e15f21d31531c97dbb466e570795daaa4466e3b2963861cf11677"`
[INFO] running `"docker" "rm" "-f" "6fc70a03d81e15f21d31531c97dbb466e570795daaa4466e3b2963861cf11677"`
[INFO] [stdout] 6fc70a03d81e15f21d31531c97dbb466e570795daaa4466e3b2963861cf11677