[INFO] cloning repository https://github.com/Valentine-Mario/system-engineerring-lessons
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Valentine-Mario/system-engineerring-lessons" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FValentine-Mario%2Fsystem-engineerring-lessons", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FValentine-Mario%2Fsystem-engineerring-lessons'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd906f0d241f281372a1c03f34cfd19b864cf726
[INFO] checking Valentine-Mario/system-engineerring-lessons against master#57f772f25c5ce2bd870d6f8c3ab318eaee5a3326 for pr-133502-22
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FValentine-Mario%2Fsystem-engineerring-lessons" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Valentine-Mario/system-engineerring-lessons
[INFO] finished tweaking git repo https://github.com/Valentine-Mario/system-engineerring-lessons
[INFO] tweaked toml for git repo https://github.com/Valentine-Mario/system-engineerring-lessons written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Valentine-Mario/system-engineerring-lessons on toolchain 57f772f25c5ce2bd870d6f8c3ab318eaee5a3326
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Valentine-Mario/system-engineerring-lessons 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" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_edit v0.2.1
[INFO] [stderr]   Downloaded combine v4.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ce94e2c4c8ebe35a981cfa2cd8941a4229769eaf88e62c7420d0aafcfeb6735
[INFO] running `Command { std: "docker" "start" "-a" "5ce94e2c4c8ebe35a981cfa2cd8941a4229769eaf88e62c7420d0aafcfeb6735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ce94e2c4c8ebe35a981cfa2cd8941a4229769eaf88e62c7420d0aafcfeb6735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce94e2c4c8ebe35a981cfa2cd8941a4229769eaf88e62c7420d0aafcfeb6735", kill_on_drop: false }`
[INFO] [stdout] 5ce94e2c4c8ebe35a981cfa2cd8941a4229769eaf88e62c7420d0aafcfeb6735
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7ace474fdae7cda13a7dd03364da73d890254363de55790ed212870455b8e59
[INFO] running `Command { std: "docker" "start" "-a" "f7ace474fdae7cda13a7dd03364da73d890254363de55790ed212870455b8e59", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking combine v4.6.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking toml_edit v0.2.1
[INFO] [stderr]     Checking test_shit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/main.rs:125:37
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let frankentype: u32 = unsafe { std::mem::transmute(a) };
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 125 -     let frankentype: u32 = unsafe { std::mem::transmute(a) };
[INFO] [stdout] 125 +     let frankentype: u32 = unsafe { f32::to_bits(a) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/main.rs:128:27
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let b: f32 = unsafe { std::mem::transmute(frankentype) };
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 128 -     let b: f32 = unsafe { std::mem::transmute(frankentype) };
[INFO] [stdout] 128 +     let b: f32 = unsafe { f32::from_bits(frankentype) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/main.rs:137:27
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let a: i32 = unsafe { mem::transmute(big_endian) };
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 137 -     let a: i32 = unsafe { mem::transmute(big_endian) };
[INFO] [stdout] 137 +     let a: i32 = unsafe { i32::from_ne_bytes(big_endian) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/main.rs:138:27
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let b: i32 = unsafe { mem::transmute(little_endian) };
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 138 -     let b: i32 = unsafe { mem::transmute(little_endian) };
[INFO] [stdout] 138 +     let b: i32 = unsafe { i32::from_ne_bytes(little_endian) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/float_type.rs:16:28
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let n_: u32 = unsafe { std::mem::transmute(n) };
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 16 -     let n_: u32 = unsafe { std::mem::transmute(n) };
[INFO] [stdout] 16 +     let n_: u32 = unsafe { f32::to_bits(n) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/main.rs:125:37
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let frankentype: u32 = unsafe { std::mem::transmute(a) };
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 125 -     let frankentype: u32 = unsafe { std::mem::transmute(a) };
[INFO] [stdout] 125 +     let frankentype: u32 = unsafe { f32::to_bits(a) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/main.rs:128:27
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let b: f32 = unsafe { std::mem::transmute(frankentype) };
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 128 -     let b: f32 = unsafe { std::mem::transmute(frankentype) };
[INFO] [stdout] 128 +     let b: f32 = unsafe { f32::from_bits(frankentype) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/main.rs:137:27
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let a: i32 = unsafe { mem::transmute(big_endian) };
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 137 -     let a: i32 = unsafe { mem::transmute(big_endian) };
[INFO] [stdout] 137 +     let a: i32 = unsafe { i32::from_ne_bytes(big_endian) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/main.rs:138:27
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let b: i32 = unsafe { mem::transmute(little_endian) };
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 138 -     let b: i32 = unsafe { mem::transmute(little_endian) };
[INFO] [stdout] 138 +     let b: i32 = unsafe { i32::from_ne_bytes(little_endian) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/float_type.rs:16:28
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let n_: u32 = unsafe { std::mem::transmute(n) };
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 16 -     let n_: u32 = unsafe { std::mem::transmute(n) };
[INFO] [stdout] 16 +     let n_: u32 = unsafe { f32::to_bits(n) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.58s
[INFO] running `Command { std: "docker" "inspect" "f7ace474fdae7cda13a7dd03364da73d890254363de55790ed212870455b8e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ace474fdae7cda13a7dd03364da73d890254363de55790ed212870455b8e59", kill_on_drop: false }`
[INFO] [stdout] f7ace474fdae7cda13a7dd03364da73d890254363de55790ed212870455b8e59
