[INFO] fetching crate optempty 0.1.13...
[INFO] checking optempty-0.1.13 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate optempty 0.1.13 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate optempty 0.1.13 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optempty 0.1.13
[INFO] finished tweaking crates.io crate optempty 0.1.13
[INFO] tweaked toml for crates.io crate optempty 0.1.13 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded query_map v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b27cff2c3dbb3964952153874613b5f444d8879c5b20720d1a7a2726cafdf36
[INFO] running `Command { std: "docker" "start" "-a" "6b27cff2c3dbb3964952153874613b5f444d8879c5b20720d1a7a2726cafdf36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b27cff2c3dbb3964952153874613b5f444d8879c5b20720d1a7a2726cafdf36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b27cff2c3dbb3964952153874613b5f444d8879c5b20720d1a7a2726cafdf36", kill_on_drop: false }`
[INFO] [stdout] 6b27cff2c3dbb3964952153874613b5f444d8879c5b20720d1a7a2726cafdf36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d01d472420737cc9b978c61f2fa9a17ad8707646f5a5c9affa21e0d9fa9b7fc
[INFO] running `Command { std: "docker" "start" "-a" "3d01d472420737cc9b978c61f2fa9a17ad8707646f5a5c9affa21e0d9fa9b7fc", kill_on_drop: false }`
[INFO] [stderr]     Checking optempty v0.1.13 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused import: `self::no_std::*`
[INFO] [stdout]   --> src/is_empty/mod.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use self::no_std::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `self::no_std::*`
[INFO] [stdout]   --> src/is_empty/mod.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use self::no_std::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `self::std::*`
[INFO] [stdout]   --> src/is_empty/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use self::std::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `self::std::*`
[INFO] [stdout]   --> src/is_empty/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use self::std::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `optempty` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `optempty` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "3d01d472420737cc9b978c61f2fa9a17ad8707646f5a5c9affa21e0d9fa9b7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d01d472420737cc9b978c61f2fa9a17ad8707646f5a5c9affa21e0d9fa9b7fc", kill_on_drop: false }`
[INFO] [stdout] 3d01d472420737cc9b978c61f2fa9a17ad8707646f5a5c9affa21e0d9fa9b7fc
[INFO] checking optempty-0.1.13 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate optempty 0.1.13 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate optempty 0.1.13 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optempty 0.1.13
[INFO] finished tweaking crates.io crate optempty 0.1.13
[INFO] tweaked toml for crates.io crate optempty 0.1.13 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a601a89b2aaaa6333e525cc80f44662b8f0305f334a142a9249bcfa3f8106f68
[INFO] running `Command { std: "docker" "start" "-a" "a601a89b2aaaa6333e525cc80f44662b8f0305f334a142a9249bcfa3f8106f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a601a89b2aaaa6333e525cc80f44662b8f0305f334a142a9249bcfa3f8106f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a601a89b2aaaa6333e525cc80f44662b8f0305f334a142a9249bcfa3f8106f68", kill_on_drop: false }`
[INFO] [stdout] a601a89b2aaaa6333e525cc80f44662b8f0305f334a142a9249bcfa3f8106f68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e732d9db058045ae7f770c7f40f41f05922f4e48956bc165a129655eaac30a4
[INFO] running `Command { std: "docker" "start" "-a" "2e732d9db058045ae7f770c7f40f41f05922f4e48956bc165a129655eaac30a4", kill_on_drop: false }`
[INFO] [stderr]     Checking optempty v0.1.13 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused import: `self::no_std::*`
[INFO] [stdout]   --> src/is_empty/mod.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use self::no_std::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `self::no_std::*`
[INFO] [stdout]   --> src/is_empty/mod.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use self::no_std::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `self::std::*`
[INFO] [stdout]   --> src/is_empty/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use self::std::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `self::std::*`
[INFO] [stdout]   --> src/is_empty/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use self::std::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `optempty` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `optempty` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "2e732d9db058045ae7f770c7f40f41f05922f4e48956bc165a129655eaac30a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e732d9db058045ae7f770c7f40f41f05922f4e48956bc165a129655eaac30a4", kill_on_drop: false }`
[INFO] [stdout] 2e732d9db058045ae7f770c7f40f41f05922f4e48956bc165a129655eaac30a4
