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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Abso1ut3Zer0/nexus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbso1ut3Zer0%2Fnexus", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58d55f16bbcb4dd98aff69ebefdf71a25f3c2436
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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbso1ut3Zer0%2Fnexus" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Abso1ut3Zer0/nexus
[INFO] finished tweaking git repo https://github.com/Abso1ut3Zer0/nexus
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[INFO] validating manifest of git repo https://github.com/Abso1ut3Zer0/nexus on toolchain 035b01b794602d5861daa43ac792f372f8981ed7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] [stderr]      Locking 123 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.2)
[INFO] [stderr]       Adding getrandom v0.2.17 (available: v0.4.1)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "a186ea3e53340337f639364678a85866e878d6e403d6e1c9ed63de2cbad79e9a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking nom v7.1.3
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[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling nexus-bits-derive v0.3.0
[INFO] [stderr]     Checking nexus-bits v0.3.0 (/opt/rustwide/workdir/nexus-bits)
[INFO] [stderr]     Checking nexus-bits-derive v0.3.0 (/opt/rustwide/workdir/nexus-bits-derive)
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[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking criterion v0.5.1
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[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> nexus-slab/tests/miri_tests.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct DropTracker(u64);
[INFO] [stdout]    |            ----------- ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> nexus-slab/examples/perf_vs_box.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let start = rdtsc_start();
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]    --> nexus-slab/examples/perf_vs_box.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |             let end = rdtsc_end();
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `price`, `quantity`, and `flags` are never read
[INFO] [stdout]   --> nexus-slab/examples/perf_vs_box.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct TestValue {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 59 |     id: u64,
[INFO] [stdout] 60 |     price: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 61 |     quantity: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 62 |     flags: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestValue` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> nexus-slab/examples/perf_vs_box.rs:178:17
[INFO] [stdout]     |
[INFO] [stdout] 178 |                    drop(black_box(std::mem::replace(
[INFO] [stdout]     |   _________________^    -
[INFO] [stdout]     |  |______________________|
[INFO] [stdout] 179 | ||                     &mut boxes.get(idx).map(|_| ()),
[INFO] [stdout] 180 | ||                     None,
[INFO] [stdout] 181 | ||                 )));
[INFO] [stdout]     | ||__________________-^
[INFO] [stdout]     | |___________________|
[INFO] [stdout]     |                     argument has type `Option<()>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 178 ~                 let _ = black_box(std::mem::replace(
[INFO] [stdout] 179 |                     &mut boxes.get(idx).map(|_| ()),
[INFO] [stdout] 180 |                     None,
[INFO] [stdout] 181 ~                 ));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> nexus-slab/tests/rc_tests.rs:29:24
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct DropTracker(u64);
[INFO] [stdout]    |            ----------- ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `DropTracker` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> nexus-slab/tests/macro_tests.rs:133:24
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub struct Tracker(pub u64);
[INFO] [stdout]     |                ------- ^^^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> nexus-slab/tests/macro_tests.rs:157:24
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub struct Tracker(pub u64);
[INFO] [stdout]     |                ------- ^^^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> nexus-slab/tests/macro_tests.rs:392:24
[INFO] [stdout]     |
[INFO] [stdout] 392 |     pub struct Tracker(pub u64);
[INFO] [stdout]     |                ------- ^^^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `occupied` is assigned to, but never used
[INFO] [stdout]   --> nexus-slab/examples/perf_stress_test.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut occupied = 0usize;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_occupied` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `occupied` is never read
[INFO] [stdout]    --> nexus-slab/examples/perf_stress_test.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |                     occupied += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `occupied` is never read
[INFO] [stdout]    --> nexus-slab/examples/perf_stress_test.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     occupied -= 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `occupied` is never read
[INFO] [stdout]    --> nexus-slab/examples/perf_stress_test.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |             occupied += 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `data` are never read
[INFO] [stdout]   --> nexus-slab/examples/perf_stress_test.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct TestValue {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 67 |     id: u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 68 |     data: [u64; 7], // 64 bytes total - realistic order/message size
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestValue` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]    --> nexus-slab/examples/perf_stress_test.rs:484:5
[INFO] [stdout]     |
[INFO] [stdout] 483 | pub struct Small {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 484 |     data: [u8; 32],
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Small` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]    --> nexus-slab/examples/perf_stress_test.rs:489:5
[INFO] [stdout]     |
[INFO] [stdout] 488 | pub struct Medium {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 489 |     data: [u8; 128],
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Medium` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]    --> nexus-slab/examples/perf_stress_test.rs:494:5
[INFO] [stdout]     |
[INFO] [stdout] 493 | pub struct Large {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 494 |     data: [u8; 512],
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Large` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]    --> nexus-slab/examples/perf_stress_test.rs:499:5
[INFO] [stdout]     |
[INFO] [stdout] 498 | pub struct XLarge {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 499 |     data: [u8; 2048],
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `XLarge` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_full_histogram` is never used
[INFO] [stdout]    --> nexus-slab/examples/perf_stress_test.rs:828:4
[INFO] [stdout]     |
[INFO] [stdout] 828 | fn print_full_histogram(name: &str, samples: &mut [u64]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "a186ea3e53340337f639364678a85866e878d6e403d6e1c9ed63de2cbad79e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a186ea3e53340337f639364678a85866e878d6e403d6e1c9ed63de2cbad79e9a", kill_on_drop: false }`
[INFO] [stdout] a186ea3e53340337f639364678a85866e878d6e403d6e1c9ed63de2cbad79e9a
