[INFO] cloning repository https://github.com/DaRavenox/Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DaRavenox/Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaRavenox%2FRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaRavenox%2FRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4507fe6801b4b1075b3b7d82f4388b34eae37e3
[INFO] testing DaRavenox/Rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaRavenox%2FRust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DaRavenox/Rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DaRavenox/Rust
[INFO] finished tweaking git repo https://github.com/DaRavenox/Rust
[INFO] tweaked toml for git repo https://github.com/DaRavenox/Rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/DaRavenox/Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d73767ada162a7f31516ea158ed9aef4c757eb4d7728bf27714d8bff90f1b3f5
[INFO] running `Command { std: "docker" "start" "-a" "d73767ada162a7f31516ea158ed9aef4c757eb4d7728bf27714d8bff90f1b3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d73767ada162a7f31516ea158ed9aef4c757eb4d7728bf27714d8bff90f1b3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d73767ada162a7f31516ea158ed9aef4c757eb4d7728bf27714d8bff90f1b3f5", kill_on_drop: false }`
[INFO] [stdout] d73767ada162a7f31516ea158ed9aef4c757eb4d7728bf27714d8bff90f1b3f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7073c13d616cd2e4c74806630c610677f7e2168ec8026436320207069ea07424
[INFO] running `Command { std: "docker" "start" "-a" "7073c13d616cd2e4c74806630c610677f7e2168ec8026436320207069ea07424", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
[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: `z`
[INFO] [stdout]  --> src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |       let z:i32; //We initialize a variable;
[INFO] [stdout]   |           ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:66:27
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
[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/main.rs:66:35
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn diverges(x: i32) -> !{
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
[INFO] [stdout]   |           ----^
[INFO] [stdout]   |           |
[INFO] [stdout]   |           help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |           let mut x = 7;
[INFO] [stdout]    |               ----^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `diverges`
[INFO] [stdout]   --> src/main.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn diverges(x: i32) -> !{
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testBorrow` should have a snake case name
[INFO] [stdout]    --> src/main.rs:229:4
[INFO] [stdout]     |
[INFO] [stdout] 229 | fn testBorrow(v1: &mut Vec<i32>, v2: &mut Vec<i32>){
[INFO] [stdout]     |    ^^^^^^^^^^ help: convert the identifier to snake case: `test_borrow`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "7073c13d616cd2e4c74806630c610677f7e2168ec8026436320207069ea07424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7073c13d616cd2e4c74806630c610677f7e2168ec8026436320207069ea07424", kill_on_drop: false }`
[INFO] [stdout] 7073c13d616cd2e4c74806630c610677f7e2168ec8026436320207069ea07424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f74965df5a2d2b4f084e3e8a61f4b93868ae4ef08c59d595387a650e407529c
[INFO] running `Command { std: "docker" "start" "-a" "2f74965df5a2d2b4f084e3e8a61f4b93868ae4ef08c59d595387a650e407529c", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
[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: `z`
[INFO] [stdout]  --> src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |       let z:i32; //We initialize a variable;
[INFO] [stdout]   |           ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:66:27
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
[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/main.rs:66:35
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn diverges(x: i32) -> !{
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
[INFO] [stdout]   |           ----^
[INFO] [stdout]   |           |
[INFO] [stdout]   |           help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |           let mut x = 7;
[INFO] [stdout]    |               ----^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `diverges`
[INFO] [stdout]   --> src/main.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn diverges(x: i32) -> !{
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testBorrow` should have a snake case name
[INFO] [stdout]    --> src/main.rs:229:4
[INFO] [stdout]     |
[INFO] [stdout] 229 | fn testBorrow(v1: &mut Vec<i32>, v2: &mut Vec<i32>){
[INFO] [stdout]     |    ^^^^^^^^^^ help: convert the identifier to snake case: `test_borrow`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_rust-273a814711f2f66f)
[INFO] running `Command { std: "docker" "inspect" "2f74965df5a2d2b4f084e3e8a61f4b93868ae4ef08c59d595387a650e407529c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f74965df5a2d2b4f084e3e8a61f4b93868ae4ef08c59d595387a650e407529c", kill_on_drop: false }`
[INFO] [stdout] 2f74965df5a2d2b4f084e3e8a61f4b93868ae4ef08c59d595387a650e407529c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f93f0a4dafcc6e7a68b1a9cf749fd0206ba22c36b50a9915c4e9d712ad923ce9
[INFO] running `Command { std: "docker" "start" "-a" "f93f0a4dafcc6e7a68b1a9cf749fd0206ba22c36b50a9915c4e9d712ad923ce9", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]  --> src/main.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
[INFO] [stderr]   |               ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]  --> src/main.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 |       let z:i32; //We initialize a variable;
[INFO] [stderr]   |           ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/main.rs:66:27
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
[INFO] [stderr]    |                           ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]   --> src/main.rs:66:35
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
[INFO] [stderr]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn diverges(x: i32) -> !{
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
[INFO] [stderr]   |           ----^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |           let mut x = 7;
[INFO] [stderr]    |               ----^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `diverges`
[INFO] [stderr]   --> src/main.rs:78:4
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn diverges(x: i32) -> !{
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `testBorrow` should have a snake case name
[INFO] [stderr]    --> src/main.rs:229:4
[INFO] [stderr]     |
[INFO] [stderr] 229 | fn testBorrow(v1: &mut Vec<i32>, v2: &mut Vec<i32>){
[INFO] [stderr]     |    ^^^^^^^^^^ help: convert the identifier to snake case: `test_borrow`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hello_rust` (bin "hello_rust" test) generated 9 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_rust-273a814711f2f66f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f93f0a4dafcc6e7a68b1a9cf749fd0206ba22c36b50a9915c4e9d712ad923ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93f0a4dafcc6e7a68b1a9cf749fd0206ba22c36b50a9915c4e9d712ad923ce9", kill_on_drop: false }`
[INFO] [stdout] f93f0a4dafcc6e7a68b1a9cf749fd0206ba22c36b50a9915c4e9d712ad923ce9