[INFO] fetching crate loop-rs 0.6.1...
[INFO] checking loop-rs-0.6.1 against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] extracting crate loop-rs 0.6.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate loop-rs 0.6.1 on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate loop-rs 0.6.1
[INFO] finished tweaking crates.io crate loop-rs 0.6.1
[INFO] tweaked toml for crates.io crate loop-rs 0.6.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc514ddb8469678b117b8c8c852f015043d37f969bb7d3e2e1e94d96ed12121f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bc514ddb8469678b117b8c8c852f015043d37f969bb7d3e2e1e94d96ed12121f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc514ddb8469678b117b8c8c852f015043d37f969bb7d3e2e1e94d96ed12121f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc514ddb8469678b117b8c8c852f015043d37f969bb7d3e2e1e94d96ed12121f", kill_on_drop: false }`
[INFO] [stdout] bc514ddb8469678b117b8c8c852f015043d37f969bb7d3e2e1e94d96ed12121f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c1c660554a277c1f2752b398b77e04ea77fb1b2fd52d155e44600d209af43e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0c1c660554a277c1f2752b398b77e04ea77fb1b2fd52d155e44600d209af43e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking subprocess v0.1.20
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking loop-rs v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0631]: type mismatch in function arguments
[INFO] [stdout]    --> src/main.rs:238:48
[INFO] [stdout]     |
[INFO] [stdout] 238 |     #[structopt(long = "for", parse(from_str = "get_values"))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^ expected signature of `fn(&str) -> _`
[INFO] [stdout] ...
[INFO] [stdout] 322 | fn get_values(input: &&str) -> Vec<String> {
[INFO] [stdout]     | ------------------------------------------ found signature of `for<'r, 's> fn(&'r &'s str) -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0631]: type mismatch in function arguments
[INFO] [stdout]    --> src/main.rs:238:48
[INFO] [stdout]     |
[INFO] [stdout] 238 |     #[structopt(long = "for", parse(from_str = "get_values"))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^ expected signature of `fn(&str) -> _`
[INFO] [stdout] ...
[INFO] [stdout] 322 | fn get_values(input: &&str) -> Vec<String> {
[INFO] [stdout]     | ------------------------------------------ found signature of `for<'r, 's> fn(&'r &'s str) -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0631]: type mismatch in function arguments
[INFO] [stdout]    --> src/main.rs:266:69
[INFO] [stdout]     |
[INFO] [stdout] 266 |     #[structopt(short = "r", long = "until-error", parse(from_str = "get_error_code"))]
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^ expected signature of `fn(&str) -> _`
[INFO] [stdout] ...
[INFO] [stdout] 314 | fn get_error_code(input: &&str) -> ErrorCode {
[INFO] [stdout]     | -------------------------------------------- found signature of `for<'r, 's> fn(&'r &'s str) -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0631`.
[INFO] [stdout] 
[INFO] [stdout] error[E0631]: type mismatch in function arguments
[INFO] [stdout]    --> src/main.rs:266:69
[INFO] [stdout]     |
[INFO] [stdout] 266 |     #[structopt(short = "r", long = "until-error", parse(from_str = "get_error_code"))]
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^ expected signature of `fn(&str) -> _`
[INFO] [stdout] ...
[INFO] [stdout] 314 | fn get_error_code(input: &&str) -> ErrorCode {
[INFO] [stdout]     | -------------------------------------------- found signature of `for<'r, 's> fn(&'r &'s str) -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0631`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `loop-rs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0c1c660554a277c1f2752b398b77e04ea77fb1b2fd52d155e44600d209af43e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c1c660554a277c1f2752b398b77e04ea77fb1b2fd52d155e44600d209af43e3", kill_on_drop: false }`
[INFO] [stdout] 0c1c660554a277c1f2752b398b77e04ea77fb1b2fd52d155e44600d209af43e3