[INFO] cloning repository https://github.com/peppapig450/simplegrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peppapig450/simplegrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeppapig450%2Fsimplegrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeppapig450%2Fsimplegrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3cb17f44488c33e3f04a5acc515d843f5cb02335
[INFO] checking peppapig450/simplegrep against master#43d9f3859e0204e764161ee085a360274b5f3e9a for pr-97346
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeppapig450%2Fsimplegrep" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/peppapig450/simplegrep on toolchain 43d9f3859e0204e764161ee085a360274b5f3e9a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/peppapig450/simplegrep
[INFO] finished tweaking git repo https://github.com/peppapig450/simplegrep
[INFO] tweaked toml for git repo https://github.com/peppapig450/simplegrep written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/peppapig450/simplegrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dc0263a64329c985a8bdc737483bb925dc16a0c02160ce036f6b87a4db3631c
[INFO] running `Command { std: "docker" "start" "-a" "4dc0263a64329c985a8bdc737483bb925dc16a0c02160ce036f6b87a4db3631c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dc0263a64329c985a8bdc737483bb925dc16a0c02160ce036f6b87a4db3631c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dc0263a64329c985a8bdc737483bb925dc16a0c02160ce036f6b87a4db3631c", kill_on_drop: false }`
[INFO] [stdout] 4dc0263a64329c985a8bdc737483bb925dc16a0c02160ce036f6b87a4db3631c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b27fe5075480741210697e92c67b412064285c695698675bb67303938c3b13a2
[INFO] running `Command { std: "docker" "start" "-a" "b27fe5075480741210697e92c67b412064285c695698675bb67303938c3b13a2", kill_on_drop: false }`
[INFO] [stderr]     Checking simplegrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:27:44
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn run(config: Config)-> Result<(),Box<Error>>{
[INFO] [stdout]    |                                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 - pub fn run(config: Config)-> Result<(),Box<Error>>{
[INFO] [stdout] 27 + pub fn run(config: Config)-> Result<(),Box<dyn Error>>{
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:27:44
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn run(config: Config)-> Result<(),Box<Error>>{
[INFO] [stdout]    |                                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 - pub fn run(config: Config)-> Result<(),Box<Error>>{
[INFO] [stdout] 27 + pub fn run(config: Config)-> Result<(),Box<dyn Error>>{
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b27fe5075480741210697e92c67b412064285c695698675bb67303938c3b13a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b27fe5075480741210697e92c67b412064285c695698675bb67303938c3b13a2", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: Could not kill running container b27fe5075480741210697e92c67b412064285c695698675bb67303938c3b13a2, cannot remove - tried to kill container, but did not receive an exit event
[ERROR] failed to delete container b27fe5075480741210697e92c67b412064285c695698675bb67303938c3b13a2
[ERROR] caused by: command failed: exit status: 1