[INFO] cloning repository https://github.com/evictedcucumber/core-utils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/evictedcucumber/core-utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevictedcucumber%2Fcore-utils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevictedcucumber%2Fcore-utils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66a473ab888a3260f1456dbd20ccdc2f21dd20ec
[INFO] checking evictedcucumber/core-utils against try#fc545c6b951a304df08b327c158f92678582f435 for pr-140557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevictedcucumber%2Fcore-utils" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/evictedcucumber/core-utils on toolchain fc545c6b951a304df08b327c158f92678582f435
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/evictedcucumber/core-utils
[INFO] finished tweaking git repo https://github.com/evictedcucumber/core-utils
[INFO] tweaked toml for git repo https://github.com/evictedcucumber/core-utils written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/evictedcucumber/core-utils 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" "+fc545c6b951a304df08b327c158f92678582f435" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4412a998342f92399b969f103fed9e92b508fde6958347ccaeab02bbb9884fa0
[INFO] running `Command { std: "docker" "start" "-a" "4412a998342f92399b969f103fed9e92b508fde6958347ccaeab02bbb9884fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4412a998342f92399b969f103fed9e92b508fde6958347ccaeab02bbb9884fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4412a998342f92399b969f103fed9e92b508fde6958347ccaeab02bbb9884fa0", kill_on_drop: false }`
[INFO] [stdout] 4412a998342f92399b969f103fed9e92b508fde6958347ccaeab02bbb9884fa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 552a84a2438f6a3526989f784264cb126bb2c8a5a6a5035366a1dc11e4fde7fd
[INFO] running `Command { std: "docker" "start" "-a" "552a84a2438f6a3526989f784264cb126bb2c8a5a6a5035366a1dc11e4fde7fd", kill_on_drop: false }`
[INFO] [stderr]     Checking core-utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `argc`
[INFO] [stdout]  --> src/bin/rls/argparse.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn parse_args(argc: usize, argv: &Args) -> Vec<ArgumentType> {
[INFO] [stdout]   |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_argc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argc`
[INFO] [stdout]  --> src/bin/rls/argparse.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn parse_args(argc: usize, argv: &Args) -> Vec<ArgumentType> {
[INFO] [stdout]   |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_argc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argv`
[INFO] [stdout]  --> src/bin/rls/argparse.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn parse_args(argc: usize, argv: &Args) -> Vec<ArgumentType> {
[INFO] [stdout]   |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_argv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argv`
[INFO] [stdout]  --> src/bin/rls/argparse.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn parse_args(argc: usize, argv: &Args) -> Vec<ArgumentType> {
[INFO] [stdout]   |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_argv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FilesFirst` is never constructed
[INFO] [stdout]  --> src/bin/rls/sorting.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum SortType {
[INFO] [stdout]   |          -------- variant in this enum
[INFO] [stdout] 4 |     DirsFirst,
[INFO] [stdout] 5 |     FilesFirst,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FilesFirst` is never constructed
[INFO] [stdout]  --> src/bin/rls/sorting.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum SortType {
[INFO] [stdout]   |          -------- variant in this enum
[INFO] [stdout] 4 |     DirsFirst,
[INFO] [stdout] 5 |     FilesFirst,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "552a84a2438f6a3526989f784264cb126bb2c8a5a6a5035366a1dc11e4fde7fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "552a84a2438f6a3526989f784264cb126bb2c8a5a6a5035366a1dc11e4fde7fd", kill_on_drop: false }`
[INFO] [stdout] 552a84a2438f6a3526989f784264cb126bb2c8a5a6a5035366a1dc11e4fde7fd