[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] testing Feelx234/rust_subgroup_discovery against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFeelx234%2Frust_subgroup_discovery" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Feelx234/rust_subgroup_discovery on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", 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] 0c133b7b36cbe43d6e0051b9c5f88675c59e524620b85624a5f598eba371d56d [INFO] running `Command { std: "docker" "start" "-a" "0c133b7b36cbe43d6e0051b9c5f88675c59e524620b85624a5f598eba371d56d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c133b7b36cbe43d6e0051b9c5f88675c59e524620b85624a5f598eba371d56d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c133b7b36cbe43d6e0051b9c5f88675c59e524620b85624a5f598eba371d56d", kill_on_drop: false }` [INFO] [stdout] 0c133b7b36cbe43d6e0051b9c5f88675c59e524620b85624a5f598eba371d56d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aabc9a49dbcc3e15d6a12e181e1dfd36b7d600e2f974f7879190a73ee2a297cf [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" "aabc9a49dbcc3e15d6a12e181e1dfd36b7d600e2f974f7879190a73ee2a297cf", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling pest v1.0.6 [INFO] [stderr] Compiling ndarray v0.13.0 [INFO] [stderr] Compiling podio v0.1.6 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling miniz_oxide v0.3.5 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling ordered-float v1.0.2 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling flate2 v1.0.13 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling zip v0.5.3 [INFO] [stderr] Compiling pest_derive v1.0.8 [INFO] [stderr] Compiling py_literal v0.2.1 [INFO] [stderr] Compiling ndarray-npy v0.5.0 [INFO] [stderr] Compiling 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: 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 21.87s [INFO] running `Command { std: "docker" "inspect" "aabc9a49dbcc3e15d6a12e181e1dfd36b7d600e2f974f7879190a73ee2a297cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aabc9a49dbcc3e15d6a12e181e1dfd36b7d600e2f974f7879190a73ee2a297cf", kill_on_drop: false }` [INFO] [stdout] aabc9a49dbcc3e15d6a12e181e1dfd36b7d600e2f974f7879190a73ee2a297cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a7373e4ceb7556e19c5f4f894013647872b62041a6043594d4163711f8ade425 [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" "a7373e4ceb7556e19c5f4f894013647872b62041a6043594d4163711f8ade425", kill_on_drop: false }` [INFO] [stderr] Compiling 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: 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 test [unoptimized + debuginfo] target(s) in 0.84s [INFO] running `Command { std: "docker" "inspect" "a7373e4ceb7556e19c5f4f894013647872b62041a6043594d4163711f8ade425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7373e4ceb7556e19c5f4f894013647872b62041a6043594d4163711f8ade425", kill_on_drop: false }` [INFO] [stdout] a7373e4ceb7556e19c5f4f894013647872b62041a6043594d4163711f8ade425 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 12b3bc7f1f0ade16377bcce967ef4e4e209a907b7ca7704968c331f15bbaf291 [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" "12b3bc7f1f0ade16377bcce967ef4e4e209a907b7ca7704968c331f15bbaf291", kill_on_drop: false }` [INFO] [stderr] warning: type `target_type` should have an upper camel case name [INFO] [stderr] --> src/main.rs:31:10 [INFO] [stderr] | [INFO] [stderr] 31 | type target_type = u16; [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `TargetType` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d` [INFO] [stderr] --> src/main.rs:196:13 [INFO] [stderr] | [INFO] [stderr] 196 | for d in 1..task.depth { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `qf` [INFO] [stderr] --> src/main.rs:188:12 [INFO] [stderr] | [INFO] [stderr] 188 | fn Apriori(qf : & impl QualityFunction, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_qf` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> src/main.rs:190:5 [INFO] [stderr] | [INFO] [stderr] 190 | result: &mut BTreeMap, Vec>) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `Apriori` [INFO] [stderr] --> src/main.rs:188:4 [INFO] [stderr] | [INFO] [stderr] 188 | fn Apriori(qf : & impl QualityFunction, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `DFS` should have a snake case name [INFO] [stderr] --> src/main.rs:144:4 [INFO] [stderr] | [INFO] [stderr] 144 | fn DFS(prefix : &mut Vec , [INFO] [stderr] | ^^^ help: convert the identifier to snake case: `dfs` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `Apriori` should have a snake case name [INFO] [stderr] --> src/main.rs:188:4 [INFO] [stderr] | [INFO] [stderr] 188 | fn Apriori(qf : & impl QualityFunction, [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `apriori` [INFO] [stderr] [INFO] [stderr] warning: `hello_cargo` (bin "hello_cargo" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hello_cargo-7a96896f7a8795f9) [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" "12b3bc7f1f0ade16377bcce967ef4e4e209a907b7ca7704968c331f15bbaf291", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12b3bc7f1f0ade16377bcce967ef4e4e209a907b7ca7704968c331f15bbaf291", kill_on_drop: false }` [INFO] [stdout] 12b3bc7f1f0ade16377bcce967ef4e4e209a907b7ca7704968c331f15bbaf291