[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-2021-01-01 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaRavenox%2FRust" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DaRavenox/Rust on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 07a0b9856149817838403c8e3dd75bef53b47bfb5819ac7c967fcdc864cb76de [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "07a0b9856149817838403c8e3dd75bef53b47bfb5819ac7c967fcdc864cb76de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "07a0b9856149817838403c8e3dd75bef53b47bfb5819ac7c967fcdc864cb76de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07a0b9856149817838403c8e3dd75bef53b47bfb5819ac7c967fcdc864cb76de", kill_on_drop: false }` [INFO] [stdout] 07a0b9856149817838403c8e3dd75bef53b47bfb5819ac7c967fcdc864cb76de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8d7f62a09d9ca5625ab915918e45262e04f0e68b2da3bf50649522aa201bd648 [INFO] running `Command { std: "docker" "start" "-a" "8d7f62a09d9ca5625ab915918e45262e04f0e68b2da3bf50649522aa201bd648", 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:3:8 [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, v2: &mut Vec){ [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 0.94s [INFO] running `Command { std: "docker" "inspect" "8d7f62a09d9ca5625ab915918e45262e04f0e68b2da3bf50649522aa201bd648", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d7f62a09d9ca5625ab915918e45262e04f0e68b2da3bf50649522aa201bd648", kill_on_drop: false }` [INFO] [stdout] 8d7f62a09d9ca5625ab915918e45262e04f0e68b2da3bf50649522aa201bd648 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1810114ea5a5fcb7e89b45fc0fc984d581add1f5ae8e5581ef2e621e44493289 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1810114ea5a5fcb7e89b45fc0fc984d581add1f5ae8e5581ef2e621e44493289", 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:3:8 [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, v2: &mut Vec){ [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 1.04s [INFO] running `Command { std: "docker" "inspect" "1810114ea5a5fcb7e89b45fc0fc984d581add1f5ae8e5581ef2e621e44493289", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1810114ea5a5fcb7e89b45fc0fc984d581add1f5ae8e5581ef2e621e44493289", kill_on_drop: false }` [INFO] [stdout] 1810114ea5a5fcb7e89b45fc0fc984d581add1f5ae8e5581ef2e621e44493289 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ec0ac540804ad2006978020c8bd734aa9262be65f31a61a4d6e992cfee81c5c2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ec0ac540804ad2006978020c8bd734aa9262be65f31a61a4d6e992cfee81c5c2", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `y` [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] | ^^^^^ 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, v2: &mut Vec){ [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: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/hello_rust-cb8554b1f54bfb8c [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" "ec0ac540804ad2006978020c8bd734aa9262be65f31a61a4d6e992cfee81c5c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec0ac540804ad2006978020c8bd734aa9262be65f31a61a4d6e992cfee81c5c2", kill_on_drop: false }` [INFO] [stdout] ec0ac540804ad2006978020c8bd734aa9262be65f31a61a4d6e992cfee81c5c2