[INFO] crate buddy_system_allocator 0.3.5 is already in cache
[INFO] checking buddy_system_allocator-0.3.5 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] extracting crate buddy_system_allocator 0.3.5 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate buddy_system_allocator 0.3.5 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate buddy_system_allocator 0.3.5
[INFO] finished tweaking crates.io crate buddy_system_allocator 0.3.5
[INFO] tweaked toml for crates.io crate buddy_system_allocator 0.3.5 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bc9c4941a9ca9b5ac7ab1e62cd086abc5725dfc231aa9cadf9bbe880bf7c33ac
[INFO] running `"docker" "start" "-a" "bc9c4941a9ca9b5ac7ab1e62cd086abc5725dfc231aa9cadf9bbe880bf7c33ac"`
[INFO] [stderr]     Checking buddy_system_allocator v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `alloc::boxed::Box`
[INFO] [stderr]    --> src/lib.rs:267:5
[INFO] [stderr]     |
[INFO] [stderr] 267 | use alloc::boxed::Box;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(alloc, allocator_api)]
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `alloc::boxed::Box`
[INFO] [stderr]    --> src/lib.rs:267:5
[INFO] [stderr]     |
[INFO] [stderr] 267 | use alloc::boxed::Box;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(alloc, allocator_api)]
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "bc9c4941a9ca9b5ac7ab1e62cd086abc5725dfc231aa9cadf9bbe880bf7c33ac"`
[INFO] running `"docker" "rm" "-f" "bc9c4941a9ca9b5ac7ab1e62cd086abc5725dfc231aa9cadf9bbe880bf7c33ac"`
[INFO] [stdout] bc9c4941a9ca9b5ac7ab1e62cd086abc5725dfc231aa9cadf9bbe880bf7c33ac