[INFO] cloning repository https://github.com/SamuelSja/ccarg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SamuelSja/ccarg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamuelSja%2Fccarg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamuelSja%2Fccarg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a998ece382bf7331f30625970dd8146cbe78fd87
[INFO] checking SamuelSja/ccarg against try#e5b0618d996a6a3941e423fd3e170737b8dbdc92 for pr-151822
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamuelSja%2Fccarg" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SamuelSja/ccarg
[INFO] finished tweaking git repo https://github.com/SamuelSja/ccarg
[INFO] tweaked toml for git repo https://github.com/SamuelSja/ccarg written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SamuelSja/ccarg on toolchain e5b0618d996a6a3941e423fd3e170737b8dbdc92
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SamuelSja/ccarg 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" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 509d028b68255070c0ef661939a0a059113ffba37b0419d96c942d58d8ab99c6
[INFO] running `Command { std: "docker" "start" "-a" "509d028b68255070c0ef661939a0a059113ffba37b0419d96c942d58d8ab99c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "509d028b68255070c0ef661939a0a059113ffba37b0419d96c942d58d8ab99c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "509d028b68255070c0ef661939a0a059113ffba37b0419d96c942d58d8ab99c6", kill_on_drop: false }`
[INFO] [stdout] 509d028b68255070c0ef661939a0a059113ffba37b0419d96c942d58d8ab99c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1408c8e6e84fcff81f50cd297b2e5f18935d3569c3e63ba25b65f107bbbf8162
[INFO] running `Command { std: "docker" "start" "-a" "1408c8e6e84fcff81f50cd297b2e5f18935d3569c3e63ba25b65f107bbbf8162", kill_on_drop: false }`
[INFO] [stderr]     Checking ccarg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod lib;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::DirEntry`
[INFO] [stdout]  --> src/lib/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::DirEntry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/lib/mod.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{env, fs};
[INFO] [stdout]   |                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/lib/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod lib;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::DirEntry`
[INFO] [stdout]  --> src/lib/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::DirEntry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/lib/mod.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{env, fs};
[INFO] [stdout]   |                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/lib/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_dir`
[INFO] [stdout]   --> src/lib/compile.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let current_dir = env::current_dir().expect("Invalid directory (This directory ether does not exist or we don't have permission)");
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_dir`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_dir`
[INFO] [stdout]   --> src/lib/compile.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let current_dir = env::current_dir().expect("Invalid directory (This directory ether does not exist or we don't have permission)");
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_dir`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/lib/compile.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let output = Command::new("g++")
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/lib/compile.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let output = Command::new("g++")
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/lib/compile.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let output = Command::new("g++")
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/lib/compile.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let output = Command::new("g++")
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         _ => panic!("unknown command"),
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/lib/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Operation::Run => {
[INFO] [stdout]    |         -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 33 |         Operation::Build => {
[INFO] [stdout]    |         ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 36 |         Operation::New {name} => {
[INFO] [stdout]    |         --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 39 |         _ => panic!("unknown command"),
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/lib/mod.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |         Operation::New {name} => {
[INFO] [stdout]    |                         ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         _ => panic!("unknown command"),
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/lib/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Operation::Run => {
[INFO] [stdout]    |         -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 33 |         Operation::Build => {
[INFO] [stdout]    |         ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 36 |         Operation::New {name} => {
[INFO] [stdout]    |         --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 39 |         _ => panic!("unknown command"),
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/lib/mod.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |         Operation::New {name} => {
[INFO] [stdout]    |                         ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "1408c8e6e84fcff81f50cd297b2e5f18935d3569c3e63ba25b65f107bbbf8162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1408c8e6e84fcff81f50cd297b2e5f18935d3569c3e63ba25b65f107bbbf8162", kill_on_drop: false }`
[INFO] [stdout] 1408c8e6e84fcff81f50cd297b2e5f18935d3569c3e63ba25b65f107bbbf8162