[INFO] updating cached repository https://github.com/mrageh/simplegrep
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 223bf40a3507785b90529180d0846367a08cba77
[INFO] checking mrageh/simplegrep against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrageh%2Fsimplegrep" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrageh/simplegrep on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mrageh/simplegrep
[INFO] finished tweaking git repo https://github.com/mrageh/simplegrep
[INFO] tweaked toml for git repo https://github.com/mrageh/simplegrep written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mrageh/simplegrep already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 24d3d00f437e6e29a41bcc553b9cf5cc158585872bd5bb4bac34d3b1d80b5262
[INFO] running `"docker" "start" "-a" "24d3d00f437e6e29a41bcc553b9cf5cc158585872bd5bb4bac34d3b1d80b5262"`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]     Checking bytecount v0.5.1
[INFO] [stderr]     Checking regex-automata v0.1.7
[INFO] [stderr]     Checking grep-matcher v0.1.2
[INFO] [stderr]     Checking encoding_rs_io v0.1.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking grep-regex v0.1.3
[INFO] [stderr]     Checking bstr v0.1.4
[INFO] [stderr]     Checking globset v0.4.3
[INFO] [stderr]     Checking grep-searcher v0.1.4
[INFO] [stderr]     Checking grep-cli v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]     Checking grep-printer v0.1.2
[INFO] [stderr]     Checking grep v0.2.4
[INFO] [stderr]     Checking simplegrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.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]   --> src/main.rs:43:64
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn search(pattern: &str, paths: &[OsString]) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.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]   --> src/main.rs:43:64
[INFO] [stderr]    |
[INFO] [stderr] 43 | 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 29.68s
[INFO] running `"docker" "inspect" "24d3d00f437e6e29a41bcc553b9cf5cc158585872bd5bb4bac34d3b1d80b5262"`
[INFO] running `"docker" "rm" "-f" "24d3d00f437e6e29a41bcc553b9cf5cc158585872bd5bb4bac34d3b1d80b5262"`
[INFO] [stdout] 24d3d00f437e6e29a41bcc553b9cf5cc158585872bd5bb4bac34d3b1d80b5262