[INFO] fetching crate variadic_closure 1.0.3...
[INFO] checking variadic_closure-1.0.3 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate variadic_closure 1.0.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate variadic_closure 1.0.3 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate variadic_closure 1.0.3
[INFO] finished tweaking crates.io crate variadic_closure 1.0.3
[INFO] tweaked toml for crates.io crate variadic_closure 1.0.3 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b8fe3a2c7a2a7f6592b008b7addf67f550c5d0c23dc9a967c0842d9a26d2865
[INFO] running `Command { std: "docker" "start" "-a" "4b8fe3a2c7a2a7f6592b008b7addf67f550c5d0c23dc9a967c0842d9a26d2865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b8fe3a2c7a2a7f6592b008b7addf67f550c5d0c23dc9a967c0842d9a26d2865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b8fe3a2c7a2a7f6592b008b7addf67f550c5d0c23dc9a967c0842d9a26d2865", kill_on_drop: false }`
[INFO] [stdout] 4b8fe3a2c7a2a7f6592b008b7addf67f550c5d0c23dc9a967c0842d9a26d2865
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf28a074b3563c43da1a2bb423f83d6290a6d32562ef82c5c163fa291a15f07a
[INFO] running `Command { std: "docker" "start" "-a" "cf28a074b3563c43da1a2bb423f83d6290a6d32562ef82c5c163fa291a15f07a", kill_on_drop: false }`
[INFO] [stderr]     Checking variadic_closure v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cf28a074b3563c43da1a2bb423f83d6290a6d32562ef82c5c163fa291a15f07a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf28a074b3563c43da1a2bb423f83d6290a6d32562ef82c5c163fa291a15f07a", kill_on_drop: false }`
[INFO] [stdout] cf28a074b3563c43da1a2bb423f83d6290a6d32562ef82c5c163fa291a15f07a