[INFO] fetching crate block-array-cow 0.1.4...
[INFO] checking block-array-cow-0.1.4 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate block-array-cow 0.1.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate block-array-cow 0.1.4 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate block-array-cow 0.1.4
[INFO] finished tweaking crates.io crate block-array-cow 0.1.4
[INFO] tweaked toml for crates.io crate block-array-cow 0.1.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eb9bb61d65701d20253f42485d272abb4ce33b835f26f5fff9f3145501ee08a4
[INFO] running `Command { std: "docker" "start" "-a" "eb9bb61d65701d20253f42485d272abb4ce33b835f26f5fff9f3145501ee08a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb9bb61d65701d20253f42485d272abb4ce33b835f26f5fff9f3145501ee08a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb9bb61d65701d20253f42485d272abb4ce33b835f26f5fff9f3145501ee08a4", kill_on_drop: false }`
[INFO] [stdout] eb9bb61d65701d20253f42485d272abb4ce33b835f26f5fff9f3145501ee08a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 610bc06eca32b673eb8307bfbd3e4886d77fd0fd9fea37aebcf42e2c8e7b37c3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "610bc06eca32b673eb8307bfbd3e4886d77fd0fd9fea37aebcf42e2c8e7b37c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking block-array-cow v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> tests/rand.rs:106:54
[INFO] [stdout]     |
[INFO] [stdout] 106 |                   let mut v: $t = unsafe { ::std::mem::uninitialized() };
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 | / rand_gen_any_impl! {
[INFO] [stdout] 143 | |     i16 i64 isize
[INFO] [stdout] 144 | |     u16 u64 usize
[INFO] [stdout] 145 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `rand_gen_any_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> tests/rand.rs:106:54
[INFO] [stdout]     |
[INFO] [stdout] 106 |                   let mut v: $t = unsafe { ::std::mem::uninitialized() };
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 | / rand_gen_any_impl! {
[INFO] [stdout] 143 | |     i16 i64 isize
[INFO] [stdout] 144 | |     u16 u64 usize
[INFO] [stdout] 145 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rand_gen_any_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> tests/rand.rs:106:54
[INFO] [stdout]     |
[INFO] [stdout] 106 |                   let mut v: $t = unsafe { ::std::mem::uninitialized() };
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 | / rand_gen_any_impl! {
[INFO] [stdout] 143 | |     i16 i64 isize
[INFO] [stdout] 144 | |     u16 u64 usize
[INFO] [stdout] 145 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `rand_gen_any_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> tests/rand.rs:106:54
[INFO] [stdout]     |
[INFO] [stdout] 106 |                   let mut v: $t = unsafe { ::std::mem::uninitialized() };
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 | / rand_gen_any_impl! {
[INFO] [stdout] 143 | |     i16 i64 isize
[INFO] [stdout] 144 | |     u16 u64 usize
[INFO] [stdout] 145 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `rand_gen_any_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "610bc06eca32b673eb8307bfbd3e4886d77fd0fd9fea37aebcf42e2c8e7b37c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "610bc06eca32b673eb8307bfbd3e4886d77fd0fd9fea37aebcf42e2c8e7b37c3", kill_on_drop: false }`
[INFO] [stdout] 610bc06eca32b673eb8307bfbd3e4886d77fd0fd9fea37aebcf42e2c8e7b37c3