[INFO] cloning repository https://github.com/ierehon1905/khufu-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ierehon1905/khufu-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fierehon1905%2Fkhufu-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fierehon1905%2Fkhufu-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a158e127b7cb212cbef183448a7038d9ad05e9c
[INFO] checking ierehon1905/khufu-rust against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fierehon1905%2Fkhufu-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ierehon1905/khufu-rust
[INFO] finished tweaking git repo https://github.com/ierehon1905/khufu-rust
[INFO] tweaked toml for git repo https://github.com/ierehon1905/khufu-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ierehon1905/khufu-rust on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ierehon1905/khufu-rust 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "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-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7263c27d2be4edf11c4d544f4ef4031f89858e827b1cb404284275bfb361a80a
[INFO] running `Command { std: "docker" "start" "7263c27d2be4edf11c4d544f4ef4031f89858e827b1cb404284275bfb361a80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7263c27d2be4edf11c4d544f4ef4031f89858e827b1cb404284275bfb361a80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7263c27d2be4edf11c4d544f4ef4031f89858e827b1cb404284275bfb361a80a" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7263c27d2be4edf11c4d544f4ef4031f89858e827b1cb404284275bfb361a80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7263c27d2be4edf11c4d544f4ef4031f89858e827b1cb404284275bfb361a80a" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking khufu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hex::FromHex`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hex::FromHex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut raw_key = fs::read_to_string("./key").expect("Something went wrong reading the file");
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_keys`
[INFO] [stdout]   --> src/main.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let sub_keys: [u32; 4] = [
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_keys`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prt_b` is never used
[INFO] [stdout]  --> src/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn prt_b(num: u32) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `u32`
[INFO] [stdout]   --> src/main.rs:43:36
[INFO] [stdout]    |
[INFO] [stdout] 43 |           table_clamped[row_index] = (((table[row_index][0] as u32) << 8 * 3)
[INFO] [stdout]    |  ____________________________________^
[INFO] [stdout] 44 | |             | ((table[row_index][1] as u32) << 8 * 2)
[INFO] [stdout] 45 | |             | ((table[row_index][2] as u32) << 8 * 1)
[INFO] [stdout] 46 | |             | ((table[row_index][3] as u32) << 8 * 0))
[INFO] [stdout] 47 | |             .into()
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 46 -             | ((table[row_index][3] as u32) << 8 * 0))
[INFO] [stdout] 47 -             .into()
[INFO] [stdout] 46 +             | ((table[row_index][3] as u32) << 8 * 0))
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 43 ~         table_clamped[row_index] = <u32 as Into<_>>::into((((table[row_index][0] as u32) << 8 * 3)
[INFO] [stdout] 44 |             | ((table[row_index][1] as u32) << 8 * 2)
[INFO] [stdout] 45 |             | ((table[row_index][2] as u32) << 8 * 1)
[INFO] [stdout] 46 ~             | ((table[row_index][3] as u32) << 8 * 0)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `khufu` (bin "khufu" test) due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `hex::FromHex`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hex::FromHex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut raw_key = fs::read_to_string("./key").expect("Something went wrong reading the file");
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_keys`
[INFO] [stdout]   --> src/main.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let sub_keys: [u32; 4] = [
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_keys`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prt_b` is never used
[INFO] [stdout]  --> src/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn prt_b(num: u32) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `u32`
[INFO] [stdout]   --> src/main.rs:43:36
[INFO] [stdout]    |
[INFO] [stdout] 43 |           table_clamped[row_index] = (((table[row_index][0] as u32) << 8 * 3)
[INFO] [stdout]    |  ____________________________________^
[INFO] [stdout] 44 | |             | ((table[row_index][1] as u32) << 8 * 2)
[INFO] [stdout] 45 | |             | ((table[row_index][2] as u32) << 8 * 1)
[INFO] [stdout] 46 | |             | ((table[row_index][3] as u32) << 8 * 0))
[INFO] [stdout] 47 | |             .into()
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 46 -             | ((table[row_index][3] as u32) << 8 * 0))
[INFO] [stdout] 47 -             .into()
[INFO] [stdout] 46 +             | ((table[row_index][3] as u32) << 8 * 0))
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 43 ~         table_clamped[row_index] = <u32 as Into<_>>::into((((table[row_index][0] as u32) << 8 * 3)
[INFO] [stdout] 44 |             | ((table[row_index][1] as u32) << 8 * 2)
[INFO] [stdout] 45 |             | ((table[row_index][2] as u32) << 8 * 1)
[INFO] [stdout] 46 ~             | ((table[row_index][3] as u32) << 8 * 0)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `khufu` (bin "khufu") due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: unused dependency `rand`
[INFO] [stderr]  --> Cargo.toml:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | rand = "0.7.3"
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `rand`
[INFO] [stderr] warning: `khufu` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "7263c27d2be4edf11c4d544f4ef4031f89858e827b1cb404284275bfb361a80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7263c27d2be4edf11c4d544f4ef4031f89858e827b1cb404284275bfb361a80a", kill_on_drop: false }`
[INFO] [stdout] 7263c27d2be4edf11c4d544f4ef4031f89858e827b1cb404284275bfb361a80a
