[INFO] cloning repository https://github.com/riorio805/grepec-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/riorio805/grepec-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Friorio805%2Fgrepec-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Friorio805%2Fgrepec-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73b39dd64e249cf5f968b2f929dcf64fc9690ebf
[INFO] checking riorio805/grepec-tutorial against try#d83b14207998f47b18a34e930157ac0d7c18b16e for pr-149137
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Friorio805%2Fgrepec-tutorial" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/riorio805/grepec-tutorial
[INFO] finished tweaking git repo https://github.com/riorio805/grepec-tutorial
[INFO] tweaked toml for git repo https://github.com/riorio805/grepec-tutorial written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/riorio805/grepec-tutorial on toolchain d83b14207998f47b18a34e930157ac0d7c18b16e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/riorio805/grepec-tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7dce5afea775287e03011cdd184d9bbea04c2ecfef1936d37e01a9445de66b4
[INFO] running `Command { std: "docker" "start" "-a" "a7dce5afea775287e03011cdd184d9bbea04c2ecfef1936d37e01a9445de66b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7dce5afea775287e03011cdd184d9bbea04c2ecfef1936d37e01a9445de66b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7dce5afea775287e03011cdd184d9bbea04c2ecfef1936d37e01a9445de66b4", kill_on_drop: false }`
[INFO] [stdout] a7dce5afea775287e03011cdd184d9bbea04c2ecfef1936d37e01a9445de66b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3ab755184c6cef17560069fb5edb9232c5b44f99790f5a7594806767e1a0627
[INFO] running `Command { std: "docker" "start" "-a" "e3ab755184c6cef17560069fb5edb9232c5b44f99790f5a7594806767e1a0627", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.95
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling prost-build v0.10.4
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling tonic-build v0.7.2
[INFO] [stderr]    Compiling grpc-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tower-http v0.3.5
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking axum v0.5.17
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking tonic v0.7.2
[INFO] [stdout] warning: unused imports: `Receiver` and `Sender`
[INFO] [stdout]  --> src/grpc_client.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::sync::mpsc::{Receiver, Sender};
[INFO] [stdout]   |                         ^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver` and `Sender`
[INFO] [stdout]  --> src/grpc_server.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::sync::mpsc::{Receiver, Sender};
[INFO] [stdout]   |                         ^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver` and `Sender`
[INFO] [stdout]  --> src/grpc_client.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::sync::mpsc::{Receiver, Sender};
[INFO] [stdout]   |                         ^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver` and `Sender`
[INFO] [stdout]  --> src/grpc_server.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::sync::mpsc::{Receiver, Sender};
[INFO] [stdout]   |                         ^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.18s
[INFO] running `Command { std: "docker" "inspect" "e3ab755184c6cef17560069fb5edb9232c5b44f99790f5a7594806767e1a0627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ab755184c6cef17560069fb5edb9232c5b44f99790f5a7594806767e1a0627", kill_on_drop: false }`
[INFO] [stdout] e3ab755184c6cef17560069fb5edb9232c5b44f99790f5a7594806767e1a0627