[INFO] cloning repository https://github.com/marcelobonow/rust-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcelobonow/rust-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcelobonow%2Frust-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcelobonow%2Frust-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 834def01c4ab0e7b07d67427bbb93fffa839cda3
[INFO] checking marcelobonow/rust-example against master#f8c27dfe1a2e7fb538fd91dad53de06992c7c967 for pr-138915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcelobonow%2Frust-example" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marcelobonow/rust-example on toolchain f8c27dfe1a2e7fb538fd91dad53de06992c7c967
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marcelobonow/rust-example
[INFO] finished tweaking git repo https://github.com/marcelobonow/rust-example
[INFO] tweaked toml for git repo https://github.com/marcelobonow/rust-example written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/marcelobonow/rust-example 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" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ffeb7effc4507692ecbe4ddc6164390dbcf0162a10d17c936157f4d51024844
[INFO] running `Command { std: "docker" "start" "-a" "3ffeb7effc4507692ecbe4ddc6164390dbcf0162a10d17c936157f4d51024844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ffeb7effc4507692ecbe4ddc6164390dbcf0162a10d17c936157f4d51024844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ffeb7effc4507692ecbe4ddc6164390dbcf0162a10d17c936157f4d51024844", kill_on_drop: false }`
[INFO] [stdout] 3ffeb7effc4507692ecbe4ddc6164390dbcf0162a10d17c936157f4d51024844
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9594205ffb900291adc564b29c53b83fb06f00ddb3a6e8f13ee36b8557ef3c2b
[INFO] running `Command { std: "docker" "start" "-a" "9594205ffb900291adc564b29c53b83fb06f00ddb3a6e8f13ee36b8557ef3c2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking example-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `flush`
[INFO] [stdout]  --> src/main.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utils::{flush, read_line};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `flush`
[INFO] [stdout]  --> src/main.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utils::{flush, read_line};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "9594205ffb900291adc564b29c53b83fb06f00ddb3a6e8f13ee36b8557ef3c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9594205ffb900291adc564b29c53b83fb06f00ddb3a6e8f13ee36b8557ef3c2b", kill_on_drop: false }`
[INFO] [stdout] 9594205ffb900291adc564b29c53b83fb06f00ddb3a6e8f13ee36b8557ef3c2b