[INFO] cloning repository https://github.com/hsanzg/exact-covers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hsanzg/exact-covers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsanzg%2Fexact-covers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsanzg%2Fexact-covers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 006bbcea1063c9d8c39e77ccba08aaa8cc94d222 [INFO] testing hsanzg/exact-covers against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsanzg%2Fexact-covers" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/hsanzg/exact-covers [INFO] removed 0 missing examples [INFO] finished tweaking git repo https://github.com/hsanzg/exact-covers [INFO] tweaked toml for git repo https://github.com/hsanzg/exact-covers written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/hsanzg/exact-covers 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/hsanzg/exact-covers 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded smallvec v2.0.0-alpha.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 39b48d0865b978bc6d33ab3127b3b8d519b1430f42867ddfcdace5b950e7e2ae [INFO] running `Command { std: "docker" "start" "-a" "39b48d0865b978bc6d33ab3127b3b8d519b1430f42867ddfcdace5b950e7e2ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39b48d0865b978bc6d33ab3127b3b8d519b1430f42867ddfcdace5b950e7e2ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39b48d0865b978bc6d33ab3127b3b8d519b1430f42867ddfcdace5b950e7e2ae", kill_on_drop: false }` [INFO] [stdout] 39b48d0865b978bc6d33ab3127b3b8d519b1430f42867ddfcdace5b950e7e2ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 34b7ba2250b2fa24e04b0c59646e0044fe13f14864006f226014a90ec1f91da3 [INFO] running `Command { std: "docker" "start" "-a" "34b7ba2250b2fa24e04b0c59646e0044fe13f14864006f226014a90ec1f91da3", kill_on_drop: false }` [INFO] [stderr] Compiling exact-covers v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `primary` [INFO] [stdout] --> src/dc.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(primary: &'i [I], secondary: &'i [I]) -> Self { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primary` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `secondary` [INFO] [stdout] --> src/dc.rs:14:30 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(primary: &'i [I], secondary: &'i [I]) -> Self { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secondary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `primary` [INFO] [stdout] --> src/dc.rs:18:36 [INFO] [stdout] | [INFO] [stdout] 18 | fn add_option(&mut self, primary: P, secondary: S) [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `secondary` [INFO] [stdout] --> src/dc.rs:18:48 [INFO] [stdout] | [INFO] [stdout] 18 | fn add_option(&mut self, primary: P, secondary: S) [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secondary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `visit` [INFO] [stdout] --> src/dc.rs:26:23 [INFO] [stdout] | [INFO] [stdout] 26 | fn solve(self, visit: F) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_visit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/dc.rs:35:23 [INFO] [stdout] | [INFO] [stdout] 35 | fn pointer(&self, level: usize) -> Option { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ix` [INFO] [stdout] --> src/dc.rs:43:25 [INFO] [stdout] | [INFO] [stdout] 43 | fn option_of(&self, ix: InstIndex, result: &mut Vec<&'i I>) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/dc.rs:43:40 [INFO] [stdout] | [INFO] [stdout] 43 | fn option_of(&self, ix: InstIndex, result: &mut Vec<&'i I>) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "34b7ba2250b2fa24e04b0c59646e0044fe13f14864006f226014a90ec1f91da3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34b7ba2250b2fa24e04b0c59646e0044fe13f14864006f226014a90ec1f91da3", kill_on_drop: false }` [INFO] [stdout] 34b7ba2250b2fa24e04b0c59646e0044fe13f14864006f226014a90ec1f91da3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ebbe41dc00751d415b4da746067514de4f227a1aefc2969bf6a30e713a2a30a6 [INFO] running `Command { std: "docker" "start" "-a" "ebbe41dc00751d415b4da746067514de4f227a1aefc2969bf6a30e713a2a30a6", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `primary` [INFO] [stdout] --> src/dc.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(primary: &'i [I], secondary: &'i [I]) -> Self { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primary` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `secondary` [INFO] [stdout] --> src/dc.rs:14:30 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(primary: &'i [I], secondary: &'i [I]) -> Self { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secondary` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling smallvec v2.0.0-alpha.6 [INFO] [stdout] warning: unused variable: `primary` [INFO] [stdout] --> src/dc.rs:18:36 [INFO] [stdout] | [INFO] [stdout] 18 | fn add_option(&mut self, primary: P, secondary: S) [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `secondary` [INFO] [stdout] --> src/dc.rs:18:48 [INFO] [stdout] | [INFO] [stdout] 18 | fn add_option(&mut self, primary: P, secondary: S) [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secondary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `visit` [INFO] [stdout] --> src/dc.rs:26:23 [INFO] [stdout] | [INFO] [stdout] 26 | fn solve(self, visit: F) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_visit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/dc.rs:35:23 [INFO] [stdout] | [INFO] [stdout] 35 | fn pointer(&self, level: usize) -> Option { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ix` [INFO] [stdout] --> src/dc.rs:43:25 [INFO] [stdout] | [INFO] [stdout] 43 | fn option_of(&self, ix: InstIndex, result: &mut Vec<&'i I>) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/dc.rs:43:40 [INFO] [stdout] | [INFO] [stdout] 43 | fn option_of(&self, ix: InstIndex, result: &mut Vec<&'i I>) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling exact-covers v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `primary` [INFO] [stdout] --> src/dc.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(primary: &'i [I], secondary: &'i [I]) -> Self { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primary` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `secondary` [INFO] [stdout] --> src/dc.rs:14:30 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(primary: &'i [I], secondary: &'i [I]) -> Self { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secondary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `primary` [INFO] [stdout] --> src/dc.rs:18:36 [INFO] [stdout] | [INFO] [stdout] 18 | fn add_option(&mut self, primary: P, secondary: S) [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `secondary` [INFO] [stdout] --> src/dc.rs:18:48 [INFO] [stdout] | [INFO] [stdout] 18 | fn add_option(&mut self, primary: P, secondary: S) [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secondary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `visit` [INFO] [stdout] --> src/dc.rs:26:23 [INFO] [stdout] | [INFO] [stdout] 26 | fn solve(self, visit: F) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_visit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/dc.rs:35:23 [INFO] [stdout] | [INFO] [stdout] 35 | fn pointer(&self, level: usize) -> Option { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ix` [INFO] [stdout] --> src/dc.rs:43:25 [INFO] [stdout] | [INFO] [stdout] 43 | fn option_of(&self, ix: InstIndex, result: &mut Vec<&'i I>) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/dc.rs:43:40 [INFO] [stdout] | [INFO] [stdout] 43 | fn option_of(&self, ix: InstIndex, result: &mut Vec<&'i I>) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.00s [INFO] running `Command { std: "docker" "inspect" "ebbe41dc00751d415b4da746067514de4f227a1aefc2969bf6a30e713a2a30a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebbe41dc00751d415b4da746067514de4f227a1aefc2969bf6a30e713a2a30a6", kill_on_drop: false }` [INFO] [stdout] ebbe41dc00751d415b4da746067514de4f227a1aefc2969bf6a30e713a2a30a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/9fa7e560e250d33e5a6c1ec1c4816f7fffc0875f749ccda035d53eb608be7de5-init: no space left on device