[INFO] cloning repository https://github.com/njhofmann/rust-argparse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/njhofmann/rust-argparse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjhofmann%2Frust-argparse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjhofmann%2Frust-argparse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2514aa738068746298bc21775e91efcde024e666
[INFO] checking njhofmann/rust-argparse against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjhofmann%2Frust-argparse" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/njhofmann/rust-argparse on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/njhofmann/rust-argparse
[INFO] finished tweaking git repo https://github.com/njhofmann/rust-argparse
[INFO] tweaked toml for git repo https://github.com/njhofmann/rust-argparse written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/njhofmann/rust-argparse 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bff67fbc24c9145b3cd3bc3b421f5ceacf6d9ad7cfc1d00899eee0385a0ac51
[INFO] running `Command { std: "docker" "start" "-a" "6bff67fbc24c9145b3cd3bc3b421f5ceacf6d9ad7cfc1d00899eee0385a0ac51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bff67fbc24c9145b3cd3bc3b421f5ceacf6d9ad7cfc1d00899eee0385a0ac51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bff67fbc24c9145b3cd3bc3b421f5ceacf6d9ad7cfc1d00899eee0385a0ac51", kill_on_drop: false }`
[INFO] [stdout] 6bff67fbc24c9145b3cd3bc3b421f5ceacf6d9ad7cfc1d00899eee0385a0ac51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95688947045a9d6b77fa8ac23440406001e9cffcd323fb229c6287953ccf41a4
[INFO] running `Command { std: "docker" "start" "-a" "95688947045a9d6b77fa8ac23440406001e9cffcd323fb229c6287953ccf41a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking py_arg_parse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/argument_parser.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     argument::{self, Action, Argument, NArgs},
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/argument_parser.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     argument::{self, Action, Argument, NArgs},
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/argument_parser.rs:989:31
[INFO] [stdout]     |
[INFO] [stdout] 989 |     pub fn get_default(&self, dest: &str) -> &Option<String> {
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/argument_parser.rs:989:31
[INFO] [stdout]     |
[INFO] [stdout] 989 |     pub fn get_default(&self, dest: &str) -> &Option<String> {
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "95688947045a9d6b77fa8ac23440406001e9cffcd323fb229c6287953ccf41a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95688947045a9d6b77fa8ac23440406001e9cffcd323fb229c6287953ccf41a4", kill_on_drop: false }`
[INFO] [stdout] 95688947045a9d6b77fa8ac23440406001e9cffcd323fb229c6287953ccf41a4