[INFO] cloning repository https://github.com/Jaylynlowes04/supplement_p2_5
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jaylynlowes04/supplement_p2_5" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaylynlowes04%2Fsupplement_p2_5", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaylynlowes04%2Fsupplement_p2_5'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d4971796b42e2e67768ba0386560dad27b08a69
[INFO] checking Jaylynlowes04/supplement_p2_5 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaylynlowes04%2Fsupplement_p2_5" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Jaylynlowes04/supplement_p2_5
[INFO] finished tweaking git repo https://github.com/Jaylynlowes04/supplement_p2_5
[INFO] tweaked toml for git repo https://github.com/Jaylynlowes04/supplement_p2_5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jaylynlowes04/supplement_p2_5 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Jaylynlowes04/supplement_p2_5 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6ac8b6be2f72b35ead6b0249216b851572fe7cd52e04698e2cf71e25a87c0eb
[INFO] running `Command { std: "docker" "start" "-a" "f6ac8b6be2f72b35ead6b0249216b851572fe7cd52e04698e2cf71e25a87c0eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6ac8b6be2f72b35ead6b0249216b851572fe7cd52e04698e2cf71e25a87c0eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ac8b6be2f72b35ead6b0249216b851572fe7cd52e04698e2cf71e25a87c0eb", kill_on_drop: false }`
[INFO] [stdout] f6ac8b6be2f72b35ead6b0249216b851572fe7cd52e04698e2cf71e25a87c0eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81f292e6a7bc92d3b15a020c6e7659a926307a71718a5095e4a7dee71616f9a2
[INFO] running `Command { std: "docker" "start" "-a" "81f292e6a7bc92d3b15a020c6e7659a926307a71718a5095e4a7dee71616f9a2", kill_on_drop: false }`
[INFO] [stderr]     Checking supplement_p2_5 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/test.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f32_to_bytes` is never used
[INFO] [stdout]  --> src/lib.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn f32_to_bytes(n: f32) -> [u8; 4] {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_caller` is never used
[INFO] [stdout]   --> src/lib.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn function_caller(fun: fn(i32) -> i32, val: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `double` is never used
[INFO] [stdout]   --> src/lib.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn double(num: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `even_index_bytes` is never used
[INFO] [stdout]   --> src/lib.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn even_index_bytes(number: f64) -> [u8; 4] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]  --> src/lib.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     unsafe {std::mem::transmute(n)}
[INFO] [stdout]   |             -------------------^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: replace this with: `f32::to_ne_bytes`
[INFO] [stdout]   |
[INFO] [stdout]   = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]   = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let bytes: [u8; 8] = unsafe { std::mem::transmute(number)};
[INFO] [stdout]    |                                   -------------------^^^^^^^^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   help: replace this with: `f64::to_ne_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]  --> src/lib.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     unsafe {std::mem::transmute(n)}
[INFO] [stdout]   |             -------------------^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: replace this with: `f32::to_ne_bytes`
[INFO] [stdout]   |
[INFO] [stdout]   = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]   = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let bytes: [u8; 8] = unsafe { std::mem::transmute(number)};
[INFO] [stdout]    |                                   -------------------^^^^^^^^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   help: replace this with: `f64::to_ne_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "81f292e6a7bc92d3b15a020c6e7659a926307a71718a5095e4a7dee71616f9a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f292e6a7bc92d3b15a020c6e7659a926307a71718a5095e4a7dee71616f9a2", kill_on_drop: false }`
[INFO] [stdout] 81f292e6a7bc92d3b15a020c6e7659a926307a71718a5095e4a7dee71616f9a2