[INFO] fetching crate rpf 0.1.6...
[INFO] checking rpf-0.1.6 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate rpf 0.1.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rpf 0.1.6 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rpf 0.1.6
[INFO] finished tweaking crates.io crate rpf 0.1.6
[INFO] tweaked toml for crates.io crate rpf 0.1.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d85b4293489352ee8331cdbeed15388086f8ceca11101e56934c6e20b977ee3a
[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" "d85b4293489352ee8331cdbeed15388086f8ceca11101e56934c6e20b977ee3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d85b4293489352ee8331cdbeed15388086f8ceca11101e56934c6e20b977ee3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d85b4293489352ee8331cdbeed15388086f8ceca11101e56934c6e20b977ee3a", kill_on_drop: false }`
[INFO] [stdout] d85b4293489352ee8331cdbeed15388086f8ceca11101e56934c6e20b977ee3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] efe905a878207f5483b49fd7a1723843622c661a8b222a8fa064f0d5535cdeff
[INFO] running `Command { std: "docker" "start" "-a" "efe905a878207f5483b49fd7a1723843622c661a8b222a8fa064f0d5535cdeff", kill_on_drop: false }`
[INFO] [stderr]     Checking rpf v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ANSIString`
[INFO] [stdout]  --> src/utils/styled.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 | use self::ansi_term::{Colour,ANSIString};
[INFO] [stdout]   |                              ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Red`
[INFO] [stdout]  --> src/utils/styled.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | use self::ansi_term::Colour::{Red};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ANSIString`
[INFO] [stdout]  --> src/utils/styled.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 | use self::ansi_term::{Colour,ANSIString};
[INFO] [stdout]   |                              ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Red`
[INFO] [stdout]  --> src/utils/styled.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | use self::ansi_term::Colour::{Red};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/utils/prog.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         &self.exit(ExitStatus::ArgError);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/utils/status.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         &self.exit(status);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/utils/status.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         &self.exit(ExitStatus::Error);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/utils/prog.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         &self.exit(ExitStatus::ArgError);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/utils/status.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         &self.exit(status);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/utils/status.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         &self.exit(ExitStatus::Error);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "efe905a878207f5483b49fd7a1723843622c661a8b222a8fa064f0d5535cdeff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe905a878207f5483b49fd7a1723843622c661a8b222a8fa064f0d5535cdeff", kill_on_drop: false }`
[INFO] [stdout] efe905a878207f5483b49fd7a1723843622c661a8b222a8fa064f0d5535cdeff