[INFO] crate xalloc 0.2.6 is already in cache
[INFO] checking xalloc-0.2.6 against try#bcff76bad586cfb6874f179a4b66448e6b8a832c for pr-66919
[INFO] extracting crate xalloc 0.2.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate xalloc 0.2.6 on toolchain bcff76bad586cfb6874f179a4b66448e6b8a832c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate xalloc 0.2.6
[INFO] finished tweaking crates.io crate xalloc 0.2.6
[INFO] tweaked toml for crates.io crate xalloc 0.2.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 43eb246b47fbce9bf2ac220d1a32bc4a11a17fa15b5226b0a822a8f5c4d11edc
[INFO] running `"docker" "start" "-a" "43eb246b47fbce9bf2ac220d1a32bc4a11a17fa15b5226b0a822a8f5c4d11edc"`
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking xalloc v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/arena.rs:339:20
[INFO] [stderr]     |
[INFO] [stderr] 339 |     use std::mem::{uninitialized, ManuallyDrop};
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/arena.rs:392:36
[INFO] [stderr]     |
[INFO] [stderr] 392 |                     data: unsafe { uninitialized() },
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/arena.rs:339:20
[INFO] [stderr]     |
[INFO] [stderr] 339 |     use std::mem::{uninitialized, ManuallyDrop};
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/arena.rs:392:36
[INFO] [stderr]     |
[INFO] [stderr] 392 |                     data: unsafe { uninitialized() },
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tlsf.rs:889:21
[INFO] [stderr]     |
[INFO] [stderr] 889 |                 let mut next_block = blocks.get_unchecked_mut(next_ptr);
[INFO] [stderr]     |                     ----^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tlsf.rs:889:21
[INFO] [stderr]     |
[INFO] [stderr] 889 |                 let mut next_block = blocks.get_unchecked_mut(next_ptr);
[INFO] [stderr]     |                     ----^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.57s
[INFO] running `"docker" "inspect" "43eb246b47fbce9bf2ac220d1a32bc4a11a17fa15b5226b0a822a8f5c4d11edc"`
[INFO] running `"docker" "rm" "-f" "43eb246b47fbce9bf2ac220d1a32bc4a11a17fa15b5226b0a822a8f5c4d11edc"`
[INFO] [stdout] 43eb246b47fbce9bf2ac220d1a32bc4a11a17fa15b5226b0a822a8f5c4d11edc