[INFO] cloning repository https://github.com/AyushBarik/hello_cargo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AyushBarik/hello_cargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyushBarik%2Fhello_cargo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyushBarik%2Fhello_cargo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37bd5e026cd129c549655abed072a0896e2b2e73
[INFO] checking AyushBarik/hello_cargo against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyushBarik%2Fhello_cargo" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AyushBarik/hello_cargo on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AyushBarik/hello_cargo
[INFO] finished tweaking git repo https://github.com/AyushBarik/hello_cargo
[INFO] tweaked toml for git repo https://github.com/AyushBarik/hello_cargo written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AyushBarik/hello_cargo 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" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.92
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d468428de167b3c1302fa2543b8f294bfee5f0041f4ed8c5421878fefbe90636
[INFO] running `Command { std: "docker" "start" "-a" "d468428de167b3c1302fa2543b8f294bfee5f0041f4ed8c5421878fefbe90636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d468428de167b3c1302fa2543b8f294bfee5f0041f4ed8c5421878fefbe90636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d468428de167b3c1302fa2543b8f294bfee5f0041f4ed8c5421878fefbe90636", kill_on_drop: false }`
[INFO] [stdout] d468428de167b3c1302fa2543b8f294bfee5f0041f4ed8c5421878fefbe90636
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3e76259d07b0a966f53ca5bfd2721e51744a3c00b4dbff02a2855d053b7e1bf
[INFO] running `Command { std: "docker" "start" "-a" "f3e76259d07b0a966f53ca5bfd2721e51744a3c00b4dbff02a2855d053b7e1bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.92
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |  use std::io; //io is a module
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |  use std::io; //io is a module
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     for u in 0..epochs{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tloss` is never read
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     tloss = tloss / sizeF;
[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: constant `epochs` should have an upper case name
[INFO] [stdout]   --> src/main.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 |     const epochs: i32 = 10000;
[INFO] [stdout]    |           ^^^^^^ help: convert the identifier to upper case: `EPOCHS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `size` should have an upper case name
[INFO] [stdout]   --> src/main.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 |     const size: usize = 9;
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `sizeF` should have an upper case name
[INFO] [stdout]   --> src/main.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 |     const sizeF: f32 = size as f32;
[INFO] [stdout]    |           ^^^^^ help: convert the identifier to upper case: `SIZE_F`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     for u in 0..epochs{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tloss` is never read
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     tloss = tloss / sizeF;
[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: constant `epochs` should have an upper case name
[INFO] [stdout]   --> src/main.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 |     const epochs: i32 = 10000;
[INFO] [stdout]    |           ^^^^^^ help: convert the identifier to upper case: `EPOCHS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `size` should have an upper case name
[INFO] [stdout]   --> src/main.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 |     const size: usize = 9;
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `sizeF` should have an upper case name
[INFO] [stdout]   --> src/main.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 |     const sizeF: f32 = size as f32;
[INFO] [stdout]    |           ^^^^^ help: convert the identifier to upper case: `SIZE_F`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.71s
[INFO] running `Command { std: "docker" "inspect" "f3e76259d07b0a966f53ca5bfd2721e51744a3c00b4dbff02a2855d053b7e1bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e76259d07b0a966f53ca5bfd2721e51744a3c00b4dbff02a2855d053b7e1bf", kill_on_drop: false }`
[INFO] [stdout] f3e76259d07b0a966f53ca5bfd2721e51744a3c00b4dbff02a2855d053b7e1bf
