[INFO] cloning repository https://github.com/phongulus/first-fit-verification
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phongulus/first-fit-verification" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphongulus%2Ffirst-fit-verification", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphongulus%2Ffirst-fit-verification'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0864470665b73cb476c74350c57cdc04d3edb43a
[INFO] checking phongulus/first-fit-verification against try#7df376b035b3d12ff0386ad8b45b76dbe020257b for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphongulus%2Ffirst-fit-verification" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/phongulus/first-fit-verification
[INFO] finished tweaking git repo https://github.com/phongulus/first-fit-verification
[INFO] tweaked toml for git repo https://github.com/phongulus/first-fit-verification written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/phongulus/first-fit-verification on toolchain 7df376b035b3d12ff0386ad8b45b76dbe020257b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/phongulus/first-fit-verification already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prusti-contracts v0.1.6
[INFO] [stderr]   Downloaded prusti-contracts-proc-macros v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67ead148a33da98f6d5539f4514b6c433a03c2feef293007b0893802afc7c3f7
[INFO] running `Command { std: "docker" "start" "-a" "67ead148a33da98f6d5539f4514b6c433a03c2feef293007b0893802afc7c3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67ead148a33da98f6d5539f4514b6c433a03c2feef293007b0893802afc7c3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67ead148a33da98f6d5539f4514b6c433a03c2feef293007b0893802afc7c3f7", kill_on_drop: false }`
[INFO] [stdout] 67ead148a33da98f6d5539f4514b6c433a03c2feef293007b0893802afc7c3f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f4b06aa8b6c5cd1bd5d75c839badbd53202892d91adaf752227ad3cc0d77509
[INFO] running `Command { std: "docker" "start" "-a" "1f4b06aa8b6c5cd1bd5d75c839badbd53202892d91adaf752227ad3cc0d77509", kill_on_drop: false }`
[INFO] [stderr]    Compiling prusti-contracts-proc-macros v0.1.6
[INFO] [stderr]     Checking prusti-contracts v0.1.6
[INFO] [stderr]     Checking first-fit-verif v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::external_spec::trusted_option::*`
[INFO] [stdout]  --> src/external_spec/trusted_num.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::external_spec::trusted_option::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `trusted_num::*` and `trusted_option::*`
[INFO] [stdout]  --> src/first_impl/mod.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::external_spec::{trusted_option::*, trusted_num::*};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::external_spec::trusted_option::*`
[INFO] [stdout]  --> src/external_spec/trusted_num.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::external_spec::trusted_option::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `first_impl::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use first_impl::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trusted_num::*`
[INFO] [stdout]  --> src/second_impl/mod.rs:3:47
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::external_spec::{trusted_option::*, trusted_num::*};
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::cell::RefCell`
[INFO] [stdout]  --> src/second_impl/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `trusted_num::*` and `trusted_option::*`
[INFO] [stdout]  --> src/first_impl/mod.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::external_spec::{trusted_option::*, trusted_num::*};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `second_impl::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use second_impl::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `third_impl::*`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use third_impl::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `first_impl::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use first_impl::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trusted_option::*`
[INFO] [stdout]  --> src/my_layout/mod.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::external_spec::{trusted_option::*};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trusted_num::*`
[INFO] [stdout]  --> src/second_impl/mod.rs:3:47
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::external_spec::{trusted_option::*, trusted_num::*};
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::cell::RefCell`
[INFO] [stdout]  --> src/second_impl/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `second_impl::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use second_impl::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `third_impl::*`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use third_impl::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trusted_option::*`
[INFO] [stdout]  --> src/my_layout/mod.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::external_spec::{trusted_option::*};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeInclusive` is never constructed
[INFO] [stdout]  --> src/external_spec/trusted_range_inclusive.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct RangeInclusive<Idx: Clone + PartialOrd> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeInclusive` is never constructed
[INFO] [stdout]  --> src/external_spec/trusted_range_inclusive.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct RangeInclusive<Idx: Clone + PartialOrd> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `start`, `end`, and `is_empty` are never used
[INFO] [stdout]   --> src/external_spec/trusted_range_inclusive.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<Idx: Clone + PartialOrd> RangeInclusive<Idx> {
[INFO] [stdout]    | ------------------------------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub(crate) const fn new(start: Idx, end: Idx) -> Self {
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub const fn start(&self) -> &Idx {
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub const fn end(&self) -> &Idx {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `start`, `end`, and `is_empty` are never used
[INFO] [stdout]   --> src/external_spec/trusted_range_inclusive.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<Idx: Clone + PartialOrd> RangeInclusive<Idx> {
[INFO] [stdout]    | ------------------------------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub(crate) const fn new(start: Idx, end: Idx) -> Self {
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub const fn start(&self) -> &Idx {
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub const fn end(&self) -> &Idx {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `peek_option_ref` is never used
[INFO] [stdout]   --> src/external_spec/trusted_option.rs:44:15
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub(crate) fn peek_option_ref<T>(val: &Option<T>) -> &T {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `peek_option_ref` is never used
[INFO] [stdout]   --> src/external_spec/trusted_option.rs:44:15
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub(crate) fn peek_option_ref<T>(val: &Option<T>) -> &T {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `U64_MAX` is never used
[INFO] [stdout]  --> src/external_spec/trusted_num.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const U64_MAX: u64 = 18_446_744_073_709_551_615u64;
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `U64_POW_63` is never used
[INFO] [stdout]  --> src/first_impl/mod.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const U64_POW_63: u64 = 9_223_372_036_854_775_808u64;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `U64_MAX` is never used
[INFO] [stdout]  --> src/external_spec/trusted_num.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const U64_MAX: u64 = 18_446_744_073_709_551_615u64;
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_bit_u64` is never used
[INFO] [stdout]   --> src/second_impl/mod.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn set_bit_u64(u: &mut u64, idx: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `U64_POW_63` is never used
[INFO] [stdout]  --> src/first_impl/mod.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const U64_POW_63: u64 = 9_223_372_036_854_775_808u64;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clear_bit_u64` is never used
[INFO] [stdout]   --> src/second_impl/mod.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn clear_bit_u64(u: &mut u64, idx: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_bit_u64` is never used
[INFO] [stdout]   --> src/second_impl/mod.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn set_bit_u64(u: &mut u64, idx: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clear_bit_u64` is never used
[INFO] [stdout]   --> src/second_impl/mod.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn clear_bit_u64(u: &mut u64, idx: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_allocated_u64` is never used
[INFO] [stdout]   --> src/second_impl/mod.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn is_allocated_u64(u: &u64, idx: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_allocated_u64` is never used
[INFO] [stdout]   --> src/second_impl/mod.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn is_allocated_u64(u: &u64, idx: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_allocated` is never used
[INFO] [stdout]    --> src/second_impl/mod.rs:171:4
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn is_allocated(bitfield: &[u64], idx: usize) -> Option<bool> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_allocated` is never used
[INFO] [stdout]    --> src/second_impl/mod.rs:171:4
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn is_allocated(bitfield: &[u64], idx: usize) -> Option<bool> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_full` is never used
[INFO] [stdout]    --> src/second_impl/mod.rs:180:4
[INFO] [stdout]     |
[INFO] [stdout] 180 | fn is_full(bitfield: &[u64]) -> bool {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_full` is never used
[INFO] [stdout]    --> src/second_impl/mod.rs:180:4
[INFO] [stdout]     |
[INFO] [stdout] 180 | fn is_full(bitfield: &[u64]) -> bool {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_free` is never used
[INFO] [stdout]    --> src/second_impl/mod.rs:204:4
[INFO] [stdout]     |
[INFO] [stdout] 204 | fn all_free(bitfield: &[u64], relevant_bits: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clear_bit` is never used
[INFO] [stdout]    --> src/second_impl/mod.rs:265:4
[INFO] [stdout]     |
[INFO] [stdout] 265 | fn clear_bit(bitfield: &mut [u64], idx: usize) -> Option<bool> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_bit` is never used
[INFO] [stdout]    --> src/second_impl/mod.rs:299:4
[INFO] [stdout]     |
[INFO] [stdout] 299 | fn set_bit(bitfield: &mut [u64], idx: usize) -> Option<bool> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_free` is never used
[INFO] [stdout]    --> src/second_impl/mod.rs:204:4
[INFO] [stdout]     |
[INFO] [stdout] 204 | fn all_free(bitfield: &[u64], relevant_bits: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clear_bit` is never used
[INFO] [stdout]    --> src/second_impl/mod.rs:265:4
[INFO] [stdout]     |
[INFO] [stdout] 265 | fn clear_bit(bitfield: &mut [u64], idx: usize) -> Option<bool> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_bit` is never used
[INFO] [stdout]    --> src/second_impl/mod.rs:299:4
[INFO] [stdout]     |
[INFO] [stdout] 299 | fn set_bit(bitfield: &mut [u64], idx: usize) -> Option<bool> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_allocated`, `set_bit`, `clear_bit`, `is_full`, and `all_free` are never used
[INFO] [stdout]    --> src/second_impl/mod.rs:455:12
[INFO] [stdout]     |
[INFO] [stdout] 422 | impl TrustedBitfield8 {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 455 |     pub fn is_allocated(&self, idx: usize) -> Option<bool> {is_allocated(&self.bitfield, idx)}
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 456 |     pub fn set_bit(&mut self, idx: usize) -> Option<bool> {set_bit(&mut self.bitfield, idx)}
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 457 |     pub fn clear_bit(&mut self, idx: usize) -> Option<bool> {clear_bit(&mut self.bitfield, idx)}
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 458 |     pub fn is_full(&self) -> bool {is_full(&self.bitfield)}
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 459 |     pub fn all_free(&self) -> bool {all_free(&self.bitfield, self.relevant_bits)}
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `power_of_two_u64` is never used
[INFO] [stdout]   --> src/third_impl/mod.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn power_of_two_u64(k: usize) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_bit_u64` is never used
[INFO] [stdout]   --> src/third_impl/mod.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn set_bit_u64(u: &mut u64, idx: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clear_bit_u64` is never used
[INFO] [stdout]   --> src/third_impl/mod.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn clear_bit_u64(u: &mut u64, idx: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_trailing_ones_u64` is never used
[INFO] [stdout]   --> src/third_impl/mod.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn make_trailing_ones_u64(k: usize) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_trailing_zeros` is never used
[INFO] [stdout]    --> src/third_impl/mod.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn my_trailing_zeros(u: &u64) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_allocated`, `set_bit`, `clear_bit`, `is_full`, and `all_free` are never used
[INFO] [stdout]    --> src/second_impl/mod.rs:455:12
[INFO] [stdout]     |
[INFO] [stdout] 422 | impl TrustedBitfield8 {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 455 |     pub fn is_allocated(&self, idx: usize) -> Option<bool> {is_allocated(&self.bitfield, idx)}
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 456 |     pub fn set_bit(&mut self, idx: usize) -> Option<bool> {set_bit(&mut self.bitfield, idx)}
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 457 |     pub fn clear_bit(&mut self, idx: usize) -> Option<bool> {clear_bit(&mut self.bitfield, idx)}
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 458 |     pub fn is_full(&self) -> bool {is_full(&self.bitfield)}
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 459 |     pub fn all_free(&self) -> bool {all_free(&self.bitfield, self.relevant_bits)}
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_allocated` is never used
[INFO] [stdout]    --> src/third_impl/mod.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn is_allocated(bitfield: &[u64], idx: usize) -> Option<bool> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `power_of_two_u64` is never used
[INFO] [stdout]   --> src/third_impl/mod.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn power_of_two_u64(k: usize) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_full` is never used
[INFO] [stdout]    --> src/third_impl/mod.rs:205:4
[INFO] [stdout]     |
[INFO] [stdout] 205 | fn is_full(bitfield: &[u64], relevant_bits: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_free` is never used
[INFO] [stdout]    --> src/third_impl/mod.rs:256:4
[INFO] [stdout]     |
[INFO] [stdout] 256 | fn all_free(bitfield: &[u64], relevant_bits: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_bit_u64` is never used
[INFO] [stdout]   --> src/third_impl/mod.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn set_bit_u64(u: &mut u64, idx: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clear_bit` is never used
[INFO] [stdout]    --> src/third_impl/mod.rs:322:4
[INFO] [stdout]     |
[INFO] [stdout] 322 | fn clear_bit(bitfield: &mut [u64], idx: usize) -> Option<bool> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clear_bit_u64` is never used
[INFO] [stdout]   --> src/third_impl/mod.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn clear_bit_u64(u: &mut u64, idx: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_bit` is never used
[INFO] [stdout]    --> src/third_impl/mod.rs:353:4
[INFO] [stdout]     |
[INFO] [stdout] 353 | fn set_bit(bitfield: &mut [u64], idx: usize) -> Option<bool> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_trailing_ones_u64` is never used
[INFO] [stdout]   --> src/third_impl/mod.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn make_trailing_ones_u64(k: usize) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_trailing_zeros` is never used
[INFO] [stdout]    --> src/third_impl/mod.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn my_trailing_zeros(u: &u64) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_allocated` is never used
[INFO] [stdout]    --> src/third_impl/mod.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn is_allocated(bitfield: &[u64], idx: usize) -> Option<bool> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_full` is never used
[INFO] [stdout]    --> src/third_impl/mod.rs:205:4
[INFO] [stdout]     |
[INFO] [stdout] 205 | fn is_full(bitfield: &[u64], relevant_bits: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_allocated`, `set_bit`, `clear_bit`, `is_full`, and `all_free` are never used
[INFO] [stdout]    --> src/third_impl/mod.rs:495:12
[INFO] [stdout]     |
[INFO] [stdout] 471 | impl TrustedBitfield8 {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 495 |     pub fn is_allocated(&self, idx: usize) -> Option<bool> {is_allocated(&self.bitfield, idx)}
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 496 |     pub fn set_bit(&mut self, idx: usize) -> Option<bool> {set_bit(&mut self.bitfield, idx)}
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 497 |     pub fn clear_bit(&mut self, idx: usize) -> Option<bool> {clear_bit(&mut self.bitfield, idx)}
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 498 |     pub fn is_full(&self) -> bool {is_full(&self.bitfield, self.relevant_bits)}
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 499 |     pub fn all_free(&self) -> bool {all_free(&self.bitfield, self.relevant_bits)}
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_free` is never used
[INFO] [stdout]    --> src/third_impl/mod.rs:256:4
[INFO] [stdout]     |
[INFO] [stdout] 256 | fn all_free(bitfield: &[u64], relevant_bits: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clear_bit` is never used
[INFO] [stdout]    --> src/third_impl/mod.rs:322:4
[INFO] [stdout]     |
[INFO] [stdout] 322 | fn clear_bit(bitfield: &mut [u64], idx: usize) -> Option<bool> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_bit` is never used
[INFO] [stdout]    --> src/third_impl/mod.rs:353:4
[INFO] [stdout]     |
[INFO] [stdout] 353 | fn set_bit(bitfield: &mut [u64], idx: usize) -> Option<bool> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_allocated`, `set_bit`, `clear_bit`, `is_full`, and `all_free` are never used
[INFO] [stdout]    --> src/third_impl/mod.rs:495:12
[INFO] [stdout]     |
[INFO] [stdout] 471 | impl TrustedBitfield8 {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 495 |     pub fn is_allocated(&self, idx: usize) -> Option<bool> {is_allocated(&self.bitfield, idx)}
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 496 |     pub fn set_bit(&mut self, idx: usize) -> Option<bool> {set_bit(&mut self.bitfield, idx)}
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 497 |     pub fn clear_bit(&mut self, idx: usize) -> Option<bool> {clear_bit(&mut self.bitfield, idx)}
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 498 |     pub fn is_full(&self) -> bool {is_full(&self.bitfield, self.relevant_bits)}
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 499 |     pub fn all_free(&self) -> bool {all_free(&self.bitfield, self.relevant_bits)}
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "1f4b06aa8b6c5cd1bd5d75c839badbd53202892d91adaf752227ad3cc0d77509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f4b06aa8b6c5cd1bd5d75c839badbd53202892d91adaf752227ad3cc0d77509", kill_on_drop: false }`
[INFO] [stdout] 1f4b06aa8b6c5cd1bd5d75c839badbd53202892d91adaf752227ad3cc0d77509