[INFO] fetching crate rusty-cli 0.1.0...
[INFO] checking rusty-cli-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate rusty-cli 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rusty-cli 0.1.0
[INFO] finished tweaking crates.io crate rusty-cli 0.1.0
[INFO] tweaked toml for crates.io crate rusty-cli 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty-cli 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rusty-cli 0.1.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dialoguer v0.10.1
[INFO] [stderr]   Downloaded zeroize v1.5.6
[INFO] [stderr]   Downloaded dirs-next v1.0.2
[INFO] [stderr]   Downloaded platform-dirs v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 013fc14865f8bf4198c5af74683135b7392e5ba4761540347a12c45fa6743e71
[INFO] running `Command { std: "docker" "start" "-a" "013fc14865f8bf4198c5af74683135b7392e5ba4761540347a12c45fa6743e71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "013fc14865f8bf4198c5af74683135b7392e5ba4761540347a12c45fa6743e71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013fc14865f8bf4198c5af74683135b7392e5ba4761540347a12c45fa6743e71", kill_on_drop: false }`
[INFO] [stdout] 013fc14865f8bf4198c5af74683135b7392e5ba4761540347a12c45fa6743e71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8128f82f7e5f2c5dd56a4bad27b98b06968334c90eb7b7556ac4ee50c5702ed9
[INFO] running `Command { std: "docker" "start" "-a" "8128f82f7e5f2c5dd56a4bad27b98b06968334c90eb7b7556ac4ee50c5702ed9", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking zeroize v1.5.6
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking dirs-next v1.0.2
[INFO] [stderr]     Checking platform-dirs v0.3.0
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking dialoguer v0.10.1
[INFO] [stderr]     Checking rusty-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/file_reader.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 |             fs::create_dir(path.clone()).expect("Cannot create root data directory");
[INFO] [stdout]    |                                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 25 -             fs::create_dir(path.clone()).expect("Cannot create root data directory");
[INFO] [stdout] 25 +             fs::create_dir(path).expect("Cannot create root data directory");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]  --> examples/default_no_argument_message.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn default_callback(flags: Flags) {
[INFO] [stdout]   |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/file_reader.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 |             fs::create_dir(path.clone()).expect("Cannot create root data directory");
[INFO] [stdout]    |                                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 25 -             fs::create_dir(path.clone()).expect("Cannot create root data directory");
[INFO] [stdout] 25 +             fs::create_dir(path).expect("Cannot create root data directory");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> examples/pong_default.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> examples/pong_default.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::Args`
[INFO] [stdout]  --> examples/pong_default.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env::Args;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> examples/pong_default.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]   --> examples/pong_default.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn executor(flags: Flags) {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "8128f82f7e5f2c5dd56a4bad27b98b06968334c90eb7b7556ac4ee50c5702ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8128f82f7e5f2c5dd56a4bad27b98b06968334c90eb7b7556ac4ee50c5702ed9", kill_on_drop: false }`
[INFO] [stdout] 8128f82f7e5f2c5dd56a4bad27b98b06968334c90eb7b7556ac4ee50c5702ed9