[INFO] cloning repository https://github.com/wengchengjian/miniGrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wengchengjian/miniGrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwengchengjian%2FminiGrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwengchengjian%2FminiGrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4de2ae2b5a4f049a8f30308ee092e7ac44ee95d
[INFO] testing wengchengjian/miniGrep against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwengchengjian%2FminiGrep" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wengchengjian/miniGrep on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wengchengjian/miniGrep
[INFO] finished tweaking git repo https://github.com/wengchengjian/miniGrep
[INFO] tweaked toml for git repo https://github.com/wengchengjian/miniGrep written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/wengchengjian/miniGrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba3be40cf526ba7465179c4444cf32e6fb35324ec2d2971f7cb6692c3d0f962a
[INFO] running `Command { std: "docker" "start" "-a" "ba3be40cf526ba7465179c4444cf32e6fb35324ec2d2971f7cb6692c3d0f962a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba3be40cf526ba7465179c4444cf32e6fb35324ec2d2971f7cb6692c3d0f962a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba3be40cf526ba7465179c4444cf32e6fb35324ec2d2971f7cb6692c3d0f962a", kill_on_drop: false }`
[INFO] [stdout] ba3be40cf526ba7465179c4444cf32e6fb35324ec2d2971f7cb6692c3d0f962a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 772c6399a2af1ce73cd91ae15a1c13a911d607b23615131b224ea3de7e41ca03
[INFO] running `Command { std: "docker" "start" "-a" "772c6399a2af1ce73cd91ae15a1c13a911d607b23615131b224ea3de7e41ca03", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error::Error`, `fs`
[INFO] [stdout]  --> src/main.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env,fs,process,error::Error};
[INFO] [stdout]   |               ^^         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "772c6399a2af1ce73cd91ae15a1c13a911d607b23615131b224ea3de7e41ca03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "772c6399a2af1ce73cd91ae15a1c13a911d607b23615131b224ea3de7e41ca03", kill_on_drop: false }`
[INFO] [stdout] 772c6399a2af1ce73cd91ae15a1c13a911d607b23615131b224ea3de7e41ca03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4513413e1bc707ee6f1d9482cb8654dbc0eb126a35c4b190a5b28bff7c77eae
[INFO] running `Command { std: "docker" "start" "-a" "f4513413e1bc707ee6f1d9482cb8654dbc0eb126a35c4b190a5b28bff7c77eae", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error::Error`, `fs`
[INFO] [stdout]  --> src/main.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env,fs,process,error::Error};
[INFO] [stdout]   |               ^^         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/minigrep-e3d4b21f035fba8a)
[INFO] running `Command { std: "docker" "inspect" "f4513413e1bc707ee6f1d9482cb8654dbc0eb126a35c4b190a5b28bff7c77eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4513413e1bc707ee6f1d9482cb8654dbc0eb126a35c4b190a5b28bff7c77eae", kill_on_drop: false }`
[INFO] [stdout] f4513413e1bc707ee6f1d9482cb8654dbc0eb126a35c4b190a5b28bff7c77eae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9fbf99d8ddc82580e945a7e75a797dcdf64aed4df90553637763f07252968a93
[INFO] running `Command { std: "docker" "start" "-a" "9fbf99d8ddc82580e945a7e75a797dcdf64aed4df90553637763f07252968a93", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `error::Error`, `fs`
[INFO] [stderr]  --> src/main.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{env,fs,process,error::Error};
[INFO] [stderr]   |               ^^         ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `minigrep` (bin "minigrep" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/minigrep-e3d4b21f035fba8a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9fbf99d8ddc82580e945a7e75a797dcdf64aed4df90553637763f07252968a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fbf99d8ddc82580e945a7e75a797dcdf64aed4df90553637763f07252968a93", kill_on_drop: false }`
[INFO] [stdout] 9fbf99d8ddc82580e945a7e75a797dcdf64aed4df90553637763f07252968a93