[INFO] crate grep 0.2.4 is already in cache
[INFO] checking grep-0.2.4 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate grep 0.2.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate grep 0.2.4 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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] ee156e14b64d1fed4245bf8a2a80f0ef8ea7e1539fbc395edd69cea2d10ebf3b
[INFO] running `"docker" "start" "-a" "ee156e14b64d1fed4245bf8a2a80f0ef8ea7e1539fbc395edd69cea2d10ebf3b"`
[INFO] [stderr]     Checking bytecount v0.5.1
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking grep-matcher v0.1.3
[INFO] [stderr]     Checking encoding_rs_io v0.1.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking grep-regex v0.1.5
[INFO] [stderr]     Checking bstr v0.2.10
[INFO] [stderr]     Checking grep-searcher v0.1.6
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking grep-cli v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[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 31.12s
[INFO] running `"docker" "inspect" "ee156e14b64d1fed4245bf8a2a80f0ef8ea7e1539fbc395edd69cea2d10ebf3b"`
[INFO] running `"docker" "rm" "-f" "ee156e14b64d1fed4245bf8a2a80f0ef8ea7e1539fbc395edd69cea2d10ebf3b"`
[INFO] [stdout] ee156e14b64d1fed4245bf8a2a80f0ef8ea7e1539fbc395edd69cea2d10ebf3b