[INFO] fetching crate grc 0.8.1...
[INFO] checking grc-0.8.1 against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] extracting crate grc 0.8.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate grc 0.8.1 on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grc 0.8.1
[INFO] finished tweaking crates.io crate grc 0.8.1
[INFO] tweaked toml for crates.io crate grc 0.8.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate grc 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9872df6c4fac0fd4d88ece41a36c9f691f4fa9a2a3533660504efc0ffa21eb31
[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" "9872df6c4fac0fd4d88ece41a36c9f691f4fa9a2a3533660504efc0ffa21eb31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9872df6c4fac0fd4d88ece41a36c9f691f4fa9a2a3533660504efc0ffa21eb31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9872df6c4fac0fd4d88ece41a36c9f691f4fa9a2a3533660504efc0ffa21eb31", kill_on_drop: false }`
[INFO] [stdout] 9872df6c4fac0fd4d88ece41a36c9f691f4fa9a2a3533660504efc0ffa21eb31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d8f97d297824c65edf0ec7bd542869f151377d29324a059faa7bd27b8a9ba7f
[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" "4d8f97d297824c65edf0ec7bd542869f151377d29324a059faa7bd27b8a9ba7f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]    Compiling libgit2-sys v0.12.13+1.0.1
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking dialoguer v0.6.2
[INFO] [stderr]     Checking git2 v0.13.11
[INFO] [stderr]     Checking grc v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `push_arg`
[INFO] [stdout]   --> src/arguments.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn push_arg(params_name: &str) -> Arg {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUSH_COMMAND`
[INFO] [stdout]   --> src/metadata.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const PUSH_COMMAND: &str = "push";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUSH_COMMAND_SHORT`
[INFO] [stdout]   --> src/metadata.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const PUSH_COMMAND_SHORT: &str = "p";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUSH_COMMAND_HELP`
[INFO] [stdout]   --> src/metadata.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub const PUSH_COMMAND_HELP: &str = "...";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_arg`
[INFO] [stdout]   --> src/arguments.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn push_arg(params_name: &str) -> Arg {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUSH_COMMAND`
[INFO] [stdout]   --> src/metadata.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const PUSH_COMMAND: &str = "push";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUSH_COMMAND_SHORT`
[INFO] [stdout]   --> src/metadata.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const PUSH_COMMAND_SHORT: &str = "p";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUSH_COMMAND_HELP`
[INFO] [stdout]   --> src/metadata.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub const PUSH_COMMAND_HELP: &str = "...";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "4d8f97d297824c65edf0ec7bd542869f151377d29324a059faa7bd27b8a9ba7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8f97d297824c65edf0ec7bd542869f151377d29324a059faa7bd27b8a9ba7f", kill_on_drop: false }`
[INFO] [stdout] 4d8f97d297824c65edf0ec7bd542869f151377d29324a059faa7bd27b8a9ba7f