[INFO] cloning repository https://github.com/rqzheng2015/rust-variablies-demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rqzheng2015/rust-variablies-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frqzheng2015%2Frust-variablies-demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frqzheng2015%2Frust-variablies-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 464b6a1418484daabad765877614e965f5004903 [INFO] testing rqzheng2015/rust-variablies-demo against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frqzheng2015%2Frust-variablies-demo" "/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/rqzheng2015/rust-variablies-demo [INFO] finished tweaking git repo https://github.com/rqzheng2015/rust-variablies-demo [INFO] tweaked toml for git repo https://github.com/rqzheng2015/rust-variablies-demo written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rqzheng2015/rust-variablies-demo on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rqzheng2015/rust-variablies-demo 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 15e389a586152ce1ddb53c23086055a1bbd7623dd4c3fdf2c5679923dc1ca511 [INFO] running `Command { std: "docker" "start" "-a" "15e389a586152ce1ddb53c23086055a1bbd7623dd4c3fdf2c5679923dc1ca511", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "15e389a586152ce1ddb53c23086055a1bbd7623dd4c3fdf2c5679923dc1ca511", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15e389a586152ce1ddb53c23086055a1bbd7623dd4c3fdf2c5679923dc1ca511", kill_on_drop: false }` [INFO] [stdout] 15e389a586152ce1ddb53c23086055a1bbd7623dd4c3fdf2c5679923dc1ca511 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 8474b8eb63bc5bf2666896bed8dd8b2ce83fdd62c10a7710cb6d36827dd1f06a [INFO] running `Command { std: "docker" "start" "-a" "8474b8eb63bc5bf2666896bed8dd8b2ce83fdd62c10a7710cb6d36827dd1f06a", kill_on_drop: false }` [INFO] [stderr] Compiling rust-variables-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `flag` [INFO] [stdout] --> src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let flag: bool = true; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_flag` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | let (x, y, z) = tup; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let (x, y, z) = tup; [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:24:16 [INFO] [stdout] | [INFO] [stdout] 24 | let (x, y, z) = tup; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let a: [i32; 5] = [1, 2, 3, 4, 5]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let b = [3; 5]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "8474b8eb63bc5bf2666896bed8dd8b2ce83fdd62c10a7710cb6d36827dd1f06a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8474b8eb63bc5bf2666896bed8dd8b2ce83fdd62c10a7710cb6d36827dd1f06a", kill_on_drop: false }` [INFO] [stdout] 8474b8eb63bc5bf2666896bed8dd8b2ce83fdd62c10a7710cb6d36827dd1f06a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 679563408cc2b7d09abdac21dae33e2edca7b278fa0c52ad63264348cf257450 [INFO] running `Command { std: "docker" "start" "-a" "679563408cc2b7d09abdac21dae33e2edca7b278fa0c52ad63264348cf257450", kill_on_drop: false }` [INFO] [stderr] Compiling rust-variables-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `flag` [INFO] [stdout] --> src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let flag: bool = true; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_flag` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | let (x, y, z) = tup; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let (x, y, z) = tup; [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:24:16 [INFO] [stdout] | [INFO] [stdout] 24 | let (x, y, z) = tup; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let a: [i32; 5] = [1, 2, 3, 4, 5]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let b = [3; 5]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "679563408cc2b7d09abdac21dae33e2edca7b278fa0c52ad63264348cf257450", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "679563408cc2b7d09abdac21dae33e2edca7b278fa0c52ad63264348cf257450", kill_on_drop: false }` [INFO] [stdout] 679563408cc2b7d09abdac21dae33e2edca7b278fa0c52ad63264348cf257450 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 19fe0059e7fd5ba62a03b8a9c69154387c6c8503b24621850b43ffb587d311bd [INFO] running `Command { std: "docker" "start" "-a" "19fe0059e7fd5ba62a03b8a9c69154387c6c8503b24621850b43ffb587d311bd", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `flag` [INFO] [stderr] --> src/main.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let flag: bool = true; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_flag` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:24:10 [INFO] [stderr] | [INFO] [stderr] 24 | let (x, y, z) = tup; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | let (x, y, z) = tup; [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:24:16 [INFO] [stderr] | [INFO] [stderr] 24 | let (x, y, z) = tup; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/main.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let a: [i32; 5] = [1, 2, 3, 4, 5]; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: unused variable: `b` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:26:9 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 26 | let b = [3; 5]; [INFO] [stdout] [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: `rust-variables-demo` (bin "rust-variables-demo" test) generated 6 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rust_variables_demo-4c1c8efb317fe96f) [INFO] running `Command { std: "docker" "inspect" "19fe0059e7fd5ba62a03b8a9c69154387c6c8503b24621850b43ffb587d311bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19fe0059e7fd5ba62a03b8a9c69154387c6c8503b24621850b43ffb587d311bd", kill_on_drop: false }` [INFO] [stdout] 19fe0059e7fd5ba62a03b8a9c69154387c6c8503b24621850b43ffb587d311bd