[INFO] cloning repository https://github.com/ZukoIworkI/RustPractice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZukoIworkI/RustPractice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZukoIworkI%2FRustPractice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZukoIworkI%2FRustPractice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e16eb768a3b87d65c0397e966e2d9abd9240aa0
[INFO] checking ZukoIworkI/RustPractice against try#1f5783cbeb5da8b38566d718631d016891e9c912 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZukoIworkI%2FRustPractice" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZukoIworkI/RustPractice on toolchain 1f5783cbeb5da8b38566d718631d016891e9c912
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ZukoIworkI/RustPractice
[INFO] finished tweaking git repo https://github.com/ZukoIworkI/RustPractice
[INFO] tweaked toml for git repo https://github.com/ZukoIworkI/RustPractice written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ZukoIworkI/RustPractice 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" "+1f5783cbeb5da8b38566d718631d016891e9c912" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking ZukoIworkI/RustPractice against try#1f5783cbeb5da8b38566d718631d016891e9c912 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZukoIworkI%2FRustPractice" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZukoIworkI/RustPractice on toolchain 1f5783cbeb5da8b38566d718631d016891e9c912
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ZukoIworkI/RustPractice
[INFO] finished tweaking git repo https://github.com/ZukoIworkI/RustPractice
[INFO] tweaked toml for git repo https://github.com/ZukoIworkI/RustPractice written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ZukoIworkI/RustPractice 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" "+1f5783cbeb5da8b38566d718631d016891e9c912" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c74594e1bdda929fa54d71c39badb4ec2f2583d29f111db5eb0ce62937d7abe1
[INFO] running `Command { std: "docker" "start" "-a" "c74594e1bdda929fa54d71c39badb4ec2f2583d29f111db5eb0ce62937d7abe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c74594e1bdda929fa54d71c39badb4ec2f2583d29f111db5eb0ce62937d7abe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c74594e1bdda929fa54d71c39badb4ec2f2583d29f111db5eb0ce62937d7abe1", kill_on_drop: false }`
[INFO] [stdout] c74594e1bdda929fa54d71c39badb4ec2f2583d29f111db5eb0ce62937d7abe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89e89732c05accf958573061a6d27d2ad5ced25a29df39b74d3348fcf0100f2d
[INFO] running `Command { std: "docker" "start" "-a" "89e89732c05accf958573061a6d27d2ad5ced25a29df39b74d3348fcf0100f2d", kill_on_drop: false }`
[INFO] [stderr]     Checking untitled5 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `RangeInclusive` and `Range`
[INFO] [stdout]  --> src/N10.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Range, RangeInclusive};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `type_of` is never used
[INFO] [stdout]   --> src/N3.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn type_of<T>(_: &T) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `type_of` is never used
[INFO] [stdout]   --> src/N7.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn type_of<T>(_: &T) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N1` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod N1;
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `n1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N2` should have a snake case name
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod N2;
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `n2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N3` should have a snake case name
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod N3;
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `n3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N4` should have a snake case name
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod N4;
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `n4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N5` should have a snake case name
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | mod N5;
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `n5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N6` should have a snake case name
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod N6;
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `n6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N7` should have a snake case name
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | mod N7;
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `n7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N8` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod N8;
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `n8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N9` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | mod N9;
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `n9`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N10` should have a snake case name
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | mod N10;
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case: `n10`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N11` should have a snake case name
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | mod N11;
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case: `n11`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `ROMB` should have a snake case name
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | mod ROMB;
[INFO] [stdout]    |     ^^^^ help: convert the identifier to snake case: `romb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `TREE` should have a snake case name
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | mod TREE;
[INFO] [stdout]    |     ^^^^ help: convert the identifier to snake case: `tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/N1.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let y: i32 = x;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/N1.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let y: i32  = 10;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]  --> src/N2.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let v: u16 = 38_u8 as  u16;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/N7.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let y: f32 = 0.12;   // f32
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]  --> src/N7.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let z = 0.01_f64;    // f64
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N1` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod N1;
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `n1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N2` should have a snake case name
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod N2;
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `n2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N3` should have a snake case name
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod N3;
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `n3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N4` should have a snake case name
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod N4;
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `n4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N5` should have a snake case name
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | mod N5;
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `n5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N6` should have a snake case name
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod N6;
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `n6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N7` should have a snake case name
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | mod N7;
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `n7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N8` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod N8;
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `n8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N9` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | mod N9;
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `n9`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N10` should have a snake case name
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | mod N10;
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case: `n10`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `N11` should have a snake case name
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | mod N11;
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case: `n11`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `ROMB` should have a snake case name
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | mod ROMB;
[INFO] [stdout]    |     ^^^^ help: convert the identifier to snake case: `romb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `TREE` should have a snake case name
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | mod TREE;
[INFO] [stdout]    |     ^^^^ help: convert the identifier to snake case: `tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "89e89732c05accf958573061a6d27d2ad5ced25a29df39b74d3348fcf0100f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e89732c05accf958573061a6d27d2ad5ced25a29df39b74d3348fcf0100f2d", kill_on_drop: false }`
[INFO] [stdout] 89e89732c05accf958573061a6d27d2ad5ced25a29df39b74d3348fcf0100f2d