[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 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking textwrap v0.16.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking atty v0.2.14 [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