[INFO] fetching crate async-stdio 0.3.0-alpha.4...
[INFO] checking async-stdio-0.3.0-alpha.4 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate async-stdio 0.3.0-alpha.4 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate async-stdio 0.3.0-alpha.4 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 async-stdio 0.3.0-alpha.4
[INFO] finished tweaking crates.io crate async-stdio 0.3.0-alpha.4
[INFO] tweaked toml for crates.io crate async-stdio 0.3.0-alpha.4 written to /workspace/builds/worker-1-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 20643b8d4fec0db80aefcf3e9ca251f3b94b22c2ab1d6b11150e95a9dc1e46a4
[INFO] running `Command { std: "docker" "start" "-a" "20643b8d4fec0db80aefcf3e9ca251f3b94b22c2ab1d6b11150e95a9dc1e46a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20643b8d4fec0db80aefcf3e9ca251f3b94b22c2ab1d6b11150e95a9dc1e46a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20643b8d4fec0db80aefcf3e9ca251f3b94b22c2ab1d6b11150e95a9dc1e46a4", kill_on_drop: false }`
[INFO] [stdout] 20643b8d4fec0db80aefcf3e9ca251f3b94b22c2ab1d6b11150e95a9dc1e46a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4cb97e61fbcb576f047d5c438e9ed5535867ae2aab35b702290061f0d31f23d7
[INFO] running `Command { std: "docker" "start" "-a" "4cb97e61fbcb576f047d5c438e9ed5535867ae2aab35b702290061f0d31f23d7", kill_on_drop: false }`
[INFO] [stderr]     Checking async-stdio v0.3.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Unpin` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 | use std::marker::Unpin;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Unpin` is already defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Unpin` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 | use std::marker::Unpin;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Unpin` is already defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "4cb97e61fbcb576f047d5c438e9ed5535867ae2aab35b702290061f0d31f23d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cb97e61fbcb576f047d5c438e9ed5535867ae2aab35b702290061f0d31f23d7", kill_on_drop: false }`
[INFO] [stdout] 4cb97e61fbcb576f047d5c438e9ed5535867ae2aab35b702290061f0d31f23d7
