[INFO] fetching crate c_math 0.1.1...
[INFO] checking c_math-0.1.1 against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151
[INFO] extracting crate c_math 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate c_math 0.1.1 on toolchain 9bfa31f632912180dc742809bcc51a97f2d7079d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c_math 0.1.1
[INFO] finished tweaking crates.io crate c_math 0.1.1
[INFO] tweaked toml for crates.io crate c_math 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 76 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.5.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 008e2f5ea715748e1d126e3e8b01352b4959c73530cfbc6f201421725de20cc5
[INFO] running `Command { std: "docker" "start" "-a" "008e2f5ea715748e1d126e3e8b01352b4959c73530cfbc6f201421725de20cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "008e2f5ea715748e1d126e3e8b01352b4959c73530cfbc6f201421725de20cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "008e2f5ea715748e1d126e3e8b01352b4959c73530cfbc6f201421725de20cc5", kill_on_drop: false }`
[INFO] [stdout] 008e2f5ea715748e1d126e3e8b01352b4959c73530cfbc6f201421725de20cc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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_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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a0709b893cc683f1b56db3ee8b9d2260a6ca310a3e3f59b7802530a9fec6a71
[INFO] running `Command { std: "docker" "start" "-a" "6a0709b893cc683f1b56db3ee8b9d2260a6ca310a3e3f59b7802530a9fec6a71", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking half v2.6.0
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[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling num-traits v0.2.19
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[INFO] [stderr]     Checking ryu v1.0.20
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[INFO] [stderr]     Checking ciborium-ll v0.2.2
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[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking oorandom v11.1.5
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[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stderr]     Checking c_math v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Criterion`, `black_box`, `criterion_group`, and `criterion_main`
[INFO] [stdout]  --> src/get_bits.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]  --> src/get_bits.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_traits::{Unsigned, Zero};
[INFO] [stdout]   |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `format`
[INFO] [stdout]  --> src/get_bits.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::{format, Debug};
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Criterion`, `black_box`, `criterion_group`, and `criterion_main`
[INFO] [stdout]  --> src/get_bits.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]  --> src/get_bits.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_traits::{Unsigned, Zero};
[INFO] [stdout]   |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `format`
[INFO] [stdout]  --> src/get_bits.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::{format, Debug};
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]    --> src/get_bits.rs:358:9
[INFO] [stdout]     |
[INFO] [stdout] 358 |     use std::fmt::format;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::create_dir_all`
[INFO] [stdout]   --> src/reverse_bits.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     use std::fs::create_dir_all;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `max_index` is assigned to, but never used
[INFO] [stdout]   --> src/get_bits.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut max_index: u8 = 0;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_max_index` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_index` is never read
[INFO] [stdout]    --> src/get_bits.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |             max_index = 7;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_index` is never read
[INFO] [stdout]    --> src/get_bits.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |             max_index = 15;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_index` is never read
[INFO] [stdout]    --> src/get_bits.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             max_index = 31;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_index` is never read
[INFO] [stdout]    --> src/get_bits.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |             max_index = 63;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_index` is never read
[INFO] [stdout]    --> src/get_bits.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |             max_index = 127;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/set_bits.rs:83:44
[INFO] [stdout]    |
[INFO] [stdout] 83 |     for &item in value.iter().map(|(index, v)| index) {
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/set_bits.rs:114:44
[INFO] [stdout]     |
[INFO] [stdout] 114 |     for &item in value.iter().map(|(index, v)| index) {
[INFO] [stdout]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/set_bits.rs:145:44
[INFO] [stdout]     |
[INFO] [stdout] 145 |     for &item in value.iter().map(|(index, v)| index) {
[INFO] [stdout]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/set_bits.rs:176:44
[INFO] [stdout]     |
[INFO] [stdout] 176 |     for &item in value.iter().map(|(index, v)| index) {
[INFO] [stdout]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `swap_u16_bytes` is never used
[INFO] [stdout]  --> src/swap_bytes.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn swap_u16_bytes(data:u16)->u16{
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `swap_u32_bytes` is never used
[INFO] [stdout]  --> src/swap_bytes.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn swap_u32_bytes(data:u32)->u32{
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `swap_u64_bytes` is never used
[INFO] [stdout]   --> src/swap_bytes.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn swap_u64_bytes(data:u64)->u64{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `black_box`
[INFO] [stdout]  --> benches/benchmark.rs:5:61
[INFO] [stdout]   |
[INFO] [stdout] 5 | use criterion::{criterion_group, criterion_main, Criterion, black_box};
[INFO] [stdout]   |                                                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `max_index` is assigned to, but never used
[INFO] [stdout]   --> src/get_bits.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut max_index: u8 = 0;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_max_index` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_index` is never read
[INFO] [stdout]    --> src/get_bits.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |             max_index = 7;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_index` is never read
[INFO] [stdout]    --> src/get_bits.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |             max_index = 15;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_index` is never read
[INFO] [stdout]    --> src/get_bits.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             max_index = 31;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_index` is never read
[INFO] [stdout]    --> src/get_bits.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |             max_index = 63;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_index` is never read
[INFO] [stdout]    --> src/get_bits.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |             max_index = 127;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/set_bits.rs:83:44
[INFO] [stdout]    |
[INFO] [stdout] 83 |     for &item in value.iter().map(|(index, v)| index) {
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/set_bits.rs:114:44
[INFO] [stdout]     |
[INFO] [stdout] 114 |     for &item in value.iter().map(|(index, v)| index) {
[INFO] [stdout]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/set_bits.rs:145:44
[INFO] [stdout]     |
[INFO] [stdout] 145 |     for &item in value.iter().map(|(index, v)| index) {
[INFO] [stdout]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/set_bits.rs:176:44
[INFO] [stdout]     |
[INFO] [stdout] 176 |     for &item in value.iter().map(|(index, v)| index) {
[INFO] [stdout]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.69s
[INFO] running `Command { std: "docker" "inspect" "6a0709b893cc683f1b56db3ee8b9d2260a6ca310a3e3f59b7802530a9fec6a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a0709b893cc683f1b56db3ee8b9d2260a6ca310a3e3f59b7802530a9fec6a71", kill_on_drop: false }`
[INFO] [stdout] 6a0709b893cc683f1b56db3ee8b9d2260a6ca310a3e3f59b7802530a9fec6a71
