[INFO] cloning repository https://github.com/MZubairLohar/first_trial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MZubairLohar/first_trial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMZubairLohar%2Ffirst_trial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMZubairLohar%2Ffirst_trial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a47035ab93a71f9ddd83ed87487e03b10b29b100
[INFO] testing MZubairLohar/first_trial against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMZubairLohar%2Ffirst_trial" "/workspace/builds/worker-117/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-117/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MZubairLohar/first_trial on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MZubairLohar/first_trial
[INFO] finished tweaking git repo https://github.com/MZubairLohar/first_trial
[INFO] tweaked toml for git repo https://github.com/MZubairLohar/first_trial written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] crate git repo https://github.com/MZubairLohar/first_trial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f633f8ccd2e7d89a9f5b086d35419efbedb26bcf15e56af8e58edc323cbdcab
[INFO] running `Command { std: "docker" "start" "-a" "0f633f8ccd2e7d89a9f5b086d35419efbedb26bcf15e56af8e58edc323cbdcab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f633f8ccd2e7d89a9f5b086d35419efbedb26bcf15e56af8e58edc323cbdcab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f633f8ccd2e7d89a9f5b086d35419efbedb26bcf15e56af8e58edc323cbdcab", kill_on_drop: false }`
[INFO] [stdout] 0f633f8ccd2e7d89a9f5b086d35419efbedb26bcf15e56af8e58edc323cbdcab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 920cf5f2c187c0b577db6d4d912203078a6a494444ee73e2d6dbfe168d4cb02a
[INFO] running `Command { std: "docker" "start" "-a" "920cf5f2c187c0b577db6d4d912203078a6a494444ee73e2d6dbfe168d4cb02a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling first_trial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Color`
[INFO] [stdout]  --> src/main.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Color {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 24.30s
[INFO] running `Command { std: "docker" "inspect" "920cf5f2c187c0b577db6d4d912203078a6a494444ee73e2d6dbfe168d4cb02a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "920cf5f2c187c0b577db6d4d912203078a6a494444ee73e2d6dbfe168d4cb02a", kill_on_drop: false }`
[INFO] [stdout] 920cf5f2c187c0b577db6d4d912203078a6a494444ee73e2d6dbfe168d4cb02a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 505d1de99d719f8c60942eda73db97fe3f7a90aec0f329ce564aa3ec6e2855c0
[INFO] running `Command { std: "docker" "start" "-a" "505d1de99d719f8c60942eda73db97fe3f7a90aec0f329ce564aa3ec6e2855c0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling first_trial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Color`
[INFO] [stdout]  --> src/main.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Color {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.31s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "505d1de99d719f8c60942eda73db97fe3f7a90aec0f329ce564aa3ec6e2855c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505d1de99d719f8c60942eda73db97fe3f7a90aec0f329ce564aa3ec6e2855c0", kill_on_drop: false }`
[INFO] [stdout] 505d1de99d719f8c60942eda73db97fe3f7a90aec0f329ce564aa3ec6e2855c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aae20b1aafc46ecc038086a52d2da2db1a3dce6a363d8d9d61473a5319839266
[INFO] running `Command { std: "docker" "start" "-a" "aae20b1aafc46ecc038086a52d2da2db1a3dce6a363d8d9d61473a5319839266", kill_on_drop: false }`
[INFO] [stderr] warning: struct is never constructed: `Color`
[INFO] [stderr]  --> src/main.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Color {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `first_trial` (bin "first_trial" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/first_trial-c445eeaf1fa06a2f)
[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" "aae20b1aafc46ecc038086a52d2da2db1a3dce6a363d8d9d61473a5319839266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae20b1aafc46ecc038086a52d2da2db1a3dce6a363d8d9d61473a5319839266", kill_on_drop: false }`
[INFO] [stdout] aae20b1aafc46ecc038086a52d2da2db1a3dce6a363d8d9d61473a5319839266