[INFO] cloning repository https://github.com/Feelx234/rust_subgroup_discovery [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Feelx234/rust_subgroup_discovery" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFeelx234%2Frust_subgroup_discovery", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFeelx234%2Frust_subgroup_discovery'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2bbc95d4822a8baeb23aeb17bbf0d22998e89c43 [INFO] checking Feelx234/rust_subgroup_discovery against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFeelx234%2Frust_subgroup_discovery" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Feelx234/rust_subgroup_discovery on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Feelx234/rust_subgroup_discovery [INFO] finished tweaking git repo https://github.com/Feelx234/rust_subgroup_discovery [INFO] tweaked toml for git repo https://github.com/Feelx234/rust_subgroup_discovery written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/Feelx234/rust_subgroup_discovery already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded podio v0.1.6 [INFO] [stderr] Downloaded synom v0.11.3 [INFO] [stderr] Downloaded num-bigint v0.2.3 [INFO] [stderr] Downloaded num-complex v0.2.3 [INFO] [stderr] Downloaded bit-vec v0.5.1 [INFO] [stderr] Downloaded byteorder v1.3.2 [INFO] [stderr] Downloaded matrixmultiply v0.2.3 [INFO] [stderr] Downloaded ndarray v0.13.0 [INFO] [stderr] Downloaded zip v0.5.3 [INFO] [stderr] Downloaded unicode-xid v0.0.4 [INFO] [stderr] Downloaded crc32fast v1.2.0 [INFO] [stderr] Downloaded quote v0.3.15 [INFO] [stderr] Downloaded pest_derive v1.0.8 [INFO] [stderr] Downloaded itertools v0.8.2 [INFO] [stderr] Downloaded libc v0.2.65 [INFO] [stderr] Downloaded py_literal v0.2.1 [INFO] [stderr] Downloaded adler32 v1.0.4 [INFO] [stderr] Downloaded miniz_oxide v0.3.5 [INFO] [stderr] Downloaded ndarray-npy v0.5.0 [INFO] [stderr] Downloaded num-traits v0.2.10 [INFO] [stderr] Downloaded ordered-float v1.0.2 [INFO] [stderr] Downloaded rawpointer v0.2.1 [INFO] [stderr] Downloaded either v1.5.3 [INFO] [stderr] Downloaded autocfg v0.1.7 [INFO] [stderr] Downloaded pest v1.0.6 [INFO] [stderr] Downloaded syn v0.11.11 [INFO] [stderr] Downloaded flate2 v1.0.13 [INFO] [stderr] Downloaded num-integer v0.1.41 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fad0a917fbe20f9e629e75d074649a3c94324075652f32950a58898526726fa3 [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" "fad0a917fbe20f9e629e75d074649a3c94324075652f32950a58898526726fa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fad0a917fbe20f9e629e75d074649a3c94324075652f32950a58898526726fa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fad0a917fbe20f9e629e75d074649a3c94324075652f32950a58898526726fa3", kill_on_drop: false }` [INFO] [stdout] fad0a917fbe20f9e629e75d074649a3c94324075652f32950a58898526726fa3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f5e1ff3c02b63cdaa21a0ddda809c7872c72dc10aed8edbff3fda44cdd324659 [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" "f5e1ff3c02b63cdaa21a0ddda809c7872c72dc10aed8edbff3fda44cdd324659", 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] [stderr] Compiling ndarray v0.13.0 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Checking zip v0.5.3 [INFO] [stderr] Checking py_literal v0.2.1 [INFO] [stderr] Checking ndarray-npy v0.5.0 [INFO] [stderr] Checking hello_cargo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `target_type` should have an upper camel case name [INFO] [stdout] --> src/main.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | type target_type = u16; [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `TargetType` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/main.rs:196:13 [INFO] [stdout] | [INFO] [stdout] 196 | for d in 1..task.depth { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qf` [INFO] [stdout] --> src/main.rs:188:12 [INFO] [stdout] | [INFO] [stdout] 188 | fn Apriori(qf : & impl QualityFunction, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_qf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:190:5 [INFO] [stdout] | [INFO] [stdout] 190 | result: &mut BTreeMap, Vec>) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `target_type` should have an upper camel case name [INFO] [stdout] --> src/main.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | type target_type = u16; [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `TargetType` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `Apriori` [INFO] [stdout] --> src/main.rs:188:4 [INFO] [stdout] | [INFO] [stdout] 188 | fn Apriori(qf : & impl QualityFunction, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `DFS` should have a snake case name [INFO] [stdout] --> src/main.rs:144:4 [INFO] [stdout] | [INFO] [stdout] 144 | fn DFS(prefix : &mut Vec , [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `dfs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `Apriori` should have a snake case name [INFO] [stdout] --> src/main.rs:188:4 [INFO] [stdout] | [INFO] [stdout] 188 | fn Apriori(qf : & impl QualityFunction, [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `apriori` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/main.rs:196:13 [INFO] [stdout] | [INFO] [stdout] 196 | for d in 1..task.depth { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qf` [INFO] [stdout] --> src/main.rs:188:12 [INFO] [stdout] | [INFO] [stdout] 188 | fn Apriori(qf : & impl QualityFunction, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_qf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:190:5 [INFO] [stdout] | [INFO] [stdout] 190 | result: &mut BTreeMap, Vec>) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `Apriori` [INFO] [stdout] --> src/main.rs:188:4 [INFO] [stdout] | [INFO] [stdout] 188 | fn Apriori(qf : & impl QualityFunction, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `DFS` should have a snake case name [INFO] [stdout] --> src/main.rs:144:4 [INFO] [stdout] | [INFO] [stdout] 144 | fn DFS(prefix : &mut Vec , [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `dfs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `Apriori` should have a snake case name [INFO] [stdout] --> src/main.rs:188:4 [INFO] [stdout] | [INFO] [stdout] 188 | fn Apriori(qf : & impl QualityFunction, [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `apriori` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.78s [INFO] running `Command { std: "docker" "inspect" "f5e1ff3c02b63cdaa21a0ddda809c7872c72dc10aed8edbff3fda44cdd324659", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5e1ff3c02b63cdaa21a0ddda809c7872c72dc10aed8edbff3fda44cdd324659", kill_on_drop: false }` [INFO] [stdout] f5e1ff3c02b63cdaa21a0ddda809c7872c72dc10aed8edbff3fda44cdd324659