[INFO] cloning repository https://github.com/zulfikra96/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zulfikra96/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzulfikra96%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzulfikra96%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 291b708a5af2814fa35449a9edf159436a8ec3e3
[INFO] checking zulfikra96/learn-rust/291b708a5af2814fa35449a9edf159436a8ec3e3 against 012c0bd4d516934012c9a1ecb26e9eb283d2ed75 for pr-133502-29
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzulfikra96%2Flearn-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zulfikra96/learn-rust
[INFO] finished tweaking git repo https://github.com/zulfikra96/learn-rust
[INFO] tweaked toml for git repo https://github.com/zulfikra96/learn-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zulfikra96/learn-rust on toolchain 012c0bd4d516934012c9a1ecb26e9eb283d2ed75
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012c0bd4d516934012c9a1ecb26e9eb283d2ed75" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zulfikra96/learn-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" "+012c0bd4d516934012c9a1ecb26e9eb283d2ed75" "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-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 870c400494ca69cafa1e2a53dfdfdebb9575e2d7112a52863de93bbf669f1d62
[INFO] running `Command { std: "docker" "start" "870c400494ca69cafa1e2a53dfdfdebb9575e2d7112a52863de93bbf669f1d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "870c400494ca69cafa1e2a53dfdfdebb9575e2d7112a52863de93bbf669f1d62", 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" "870c400494ca69cafa1e2a53dfdfdebb9575e2d7112a52863de93bbf669f1d62" "/opt/rustwide/cargo-home/bin/cargo" "+012c0bd4d516934012c9a1ecb26e9eb283d2ed75" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "870c400494ca69cafa1e2a53dfdfdebb9575e2d7112a52863de93bbf669f1d62", 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" "870c400494ca69cafa1e2a53dfdfdebb9575e2d7112a52863de93bbf669f1d62" "/opt/rustwide/cargo-home/bin/cargo" "+012c0bd4d516934012c9a1ecb26e9eb283d2ed75" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::identity`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::identity;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `zulfikra` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     zulfikra
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Zulfikra`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::i8`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/main.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::i8;
[INFO] [stdout]   |          ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::identity`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::identity;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `zulfikra` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     zulfikra
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Zulfikra`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::i8`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/main.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::i8;
[INFO] [stdout]   |          ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bool_char` is never read
[INFO] [stdout]   --> src/main.rs:9:31
[INFO] [stdout]    |
[INFO] [stdout]  9 |     let mut bool_char: bool = true;
[INFO] [stdout]    |                               ^^^^ this value is reassigned later and never used
[INFO] [stdout] 10 |     bool_char = false;
[INFO] [stdout]    |     ----------------- `bool_char` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bool_char` is never read
[INFO] [stdout]   --> src/main.rs:9:31
[INFO] [stdout]    |
[INFO] [stdout]  9 |     let mut bool_char: bool = true;
[INFO] [stdout]    |                               ^^^^ this value is reassigned later and never used
[INFO] [stdout] 10 |     bool_char = false;
[INFO] [stdout]    |     ----------------- `bool_char` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "870c400494ca69cafa1e2a53dfdfdebb9575e2d7112a52863de93bbf669f1d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "870c400494ca69cafa1e2a53dfdfdebb9575e2d7112a52863de93bbf669f1d62", kill_on_drop: false }`
[INFO] [stdout] 870c400494ca69cafa1e2a53dfdfdebb9575e2d7112a52863de93bbf669f1d62
