[INFO] cloning repository https://github.com/jlclx/preflight.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jlclx/preflight.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlclx%2Fpreflight.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlclx%2Fpreflight.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95ff1f47655669d39505bdc1f23991c7c85d2618
[INFO] testing jlclx/preflight.rs against 1.98.0-beta.8+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlclx%2Fpreflight.rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/jlclx/preflight.rs
[INFO] finished tweaking git repo https://github.com/jlclx/preflight.rs
[INFO] tweaked toml for git repo https://github.com/jlclx/preflight.rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jlclx/preflight.rs on toolchain 1.98.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jlclx/preflight.rs 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" "+1.98.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded memoffset v0.6.4
[INFO] [stderr]   Downloaded nix v0.23.0
[INFO] [stderr]   Downloaded cc v1.0.71
[INFO] [stderr]   Downloaded toml v0.5.8
[INFO] [stderr]   Downloaded serde v1.0.130
[INFO] [stderr]   Downloaded libc v0.2.104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d3e378538c2f19add958c173744184b7017bf60e9f98730cd2d8ea75ea15e8d6
[INFO] running `Command { std: "docker" "start" "d3e378538c2f19add958c173744184b7017bf60e9f98730cd2d8ea75ea15e8d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3e378538c2f19add958c173744184b7017bf60e9f98730cd2d8ea75ea15e8d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d3e378538c2f19add958c173744184b7017bf60e9f98730cd2d8ea75ea15e8d6" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3e378538c2f19add958c173744184b7017bf60e9f98730cd2d8ea75ea15e8d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d3e378538c2f19add958c173744184b7017bf60e9f98730cd2d8ea75ea15e8d6" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling nix v0.23.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling preflight v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/main.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 | /     Command::new(preflight["exec"].as_str().unwrap())
[INFO] [stdout] 182 | |         .args(exec_argv)
[INFO] [stdout] 183 | |         .exec();
[INFO] [stdout]     | |_______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let _ = Command::new(preflight["exec"].as_str().unwrap())
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 17.66s
[INFO] running `Command { std: "docker" "inspect" "d3e378538c2f19add958c173744184b7017bf60e9f98730cd2d8ea75ea15e8d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d3e378538c2f19add958c173744184b7017bf60e9f98730cd2d8ea75ea15e8d6" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling preflight v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/main.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 | /     Command::new(preflight["exec"].as_str().unwrap())
[INFO] [stdout] 182 | |         .args(exec_argv)
[INFO] [stdout] 183 | |         .exec();
[INFO] [stdout]     | |_______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let _ = Command::new(preflight["exec"].as_str().unwrap())
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "d3e378538c2f19add958c173744184b7017bf60e9f98730cd2d8ea75ea15e8d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d3e378538c2f19add958c173744184b7017bf60e9f98730cd2d8ea75ea15e8d6" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `exec` that must be used
[INFO] [stderr]    --> src/main.rs:181:5
[INFO] [stderr]     |
[INFO] [stderr] 181 | /     Command::new(preflight["exec"].as_str().unwrap())
[INFO] [stderr] 182 | |         .args(exec_argv)
[INFO] [stderr] 183 | |         .exec();
[INFO] [stderr]     | |_______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let _ = Command::new(preflight["exec"].as_str().unwrap())
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `preflight` (bin "preflight" test) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/preflight-0f00a8ddc87c1f0f)
[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" "d3e378538c2f19add958c173744184b7017bf60e9f98730cd2d8ea75ea15e8d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e378538c2f19add958c173744184b7017bf60e9f98730cd2d8ea75ea15e8d6", kill_on_drop: false }`
[INFO] [stdout] d3e378538c2f19add958c173744184b7017bf60e9f98730cd2d8ea75ea15e8d6