[INFO] cloning repository https://github.com/tensor-programming/na_alloc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tensor-programming/na_alloc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftensor-programming%2Fna_alloc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftensor-programming%2Fna_alloc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1383531ede56b0cef3fcf26b58cdb8b93c2c2267
[INFO] checking tensor-programming/na_alloc against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftensor-programming%2Fna_alloc" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tensor-programming/na_alloc on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tensor-programming/na_alloc
[INFO] finished tweaking git repo https://github.com/tensor-programming/na_alloc
[INFO] tweaked toml for git repo https://github.com/tensor-programming/na_alloc written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/tensor-programming/na_alloc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d141cbb1f94a3a869bbf71f453cadee18fa5a0acaa5017b8b8fedd98165e6f8
[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" "3d141cbb1f94a3a869bbf71f453cadee18fa5a0acaa5017b8b8fedd98165e6f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d141cbb1f94a3a869bbf71f453cadee18fa5a0acaa5017b8b8fedd98165e6f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d141cbb1f94a3a869bbf71f453cadee18fa5a0acaa5017b8b8fedd98165e6f8", kill_on_drop: false }`
[INFO] [stdout] 3d141cbb1f94a3a869bbf71f453cadee18fa5a0acaa5017b8b8fedd98165e6f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d1d9e648e2b842c04e4bd0684f1d5d9f81dd847a2e16e769cb3d6662211d6eb
[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" "8d1d9e648e2b842c04e4bd0684f1d5d9f81dd847a2e16e769cb3d6662211d6eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]     Checking na_alloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `try_new`
[INFO] [stdout]   --> src/boxed.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub(crate) fn try_new<R, E, F>(len: usize, init: F) -> Result<Self, E>
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/boxed.rs:72:19
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub(crate) fn len(&self) -> usize {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unlock_mut`
[INFO] [stdout]   --> src/boxed.rs:89:19
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub(crate) fn unlock_mut(&mut self) -> &mut Self {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `random`
[INFO] [stdout]    --> src/boxed.rs:214:19
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub(crate) fn random(len: usize) -> Self {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `zero`
[INFO] [stdout]    --> src/boxed.rs:220:19
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub(crate) fn zero(len: usize) -> Self {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/guarded.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new<F>(f: F) -> Self
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_new`
[INFO] [stdout]   --> src/guarded.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn try_new<R, E, F>(f: F) -> Result<Self, E>
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/guarded.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `borrow`
[INFO] [stdout]   --> src/guarded.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn borrow(&self) -> Ref<'_, T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `borrow_mut`
[INFO] [stdout]   --> src/guarded.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn borrow_mut(&mut self) -> RefMut<'_, T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/guarded.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn new(boxed: &'a Boxed<T>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/guarded.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn new(boxed: &'a mut Boxed<T>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `random`
[INFO] [stdout]    --> src/guarded.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn random() -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `zero`
[INFO] [stdout]    --> src/guarded.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn zero() -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/guarded_vec.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new<F>(len: usize, f: F) -> Self
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_new`
[INFO] [stdout]   --> src/guarded_vec.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn try_new<U, E, F>(f: F) -> Result<Self, E>
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/guarded_vec.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/guarded_vec.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/guarded_vec.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `borrow`
[INFO] [stdout]   --> src/guarded_vec.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn borrow(&self) -> Ref<'_, T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `borrow_mut`
[INFO] [stdout]   --> src/guarded_vec.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn borrow_mut(&mut self) -> RefMut<'_, T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `random`
[INFO] [stdout]   --> src/guarded_vec.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn random(len: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `zero`
[INFO] [stdout]   --> src/guarded_vec.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn zero(len: usize) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/guarded_vec.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn new(boxed: &'a Boxed<T>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/guarded_vec.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn new(boxed: &'a mut Boxed<T>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `GARBAGE_VALUE`
[INFO] [stdout]  --> src/types/bytes.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const GARBAGE_VALUE: u8 = 0xdb;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/guarded_vec.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `GARBAGE_VALUE`
[INFO] [stdout]  --> src/types/bytes.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const GARBAGE_VALUE: u8 = 0xdb;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "8d1d9e648e2b842c04e4bd0684f1d5d9f81dd847a2e16e769cb3d6662211d6eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d1d9e648e2b842c04e4bd0684f1d5d9f81dd847a2e16e769cb3d6662211d6eb", kill_on_drop: false }`
[INFO] [stdout] 8d1d9e648e2b842c04e4bd0684f1d5d9f81dd847a2e16e769cb3d6662211d6eb