[INFO] cloning repository https://github.com/yuezato/algebra [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuezato/algebra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuezato%2Falgebra", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuezato%2Falgebra'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 325e718c92d1abcfdad359d590f2cbe34276c3f4 [INFO] checking yuezato/algebra against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuezato%2Falgebra" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yuezato/algebra on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yuezato/algebra [INFO] finished tweaking git repo https://github.com/yuezato/algebra [INFO] tweaked toml for git repo https://github.com/yuezato/algebra written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/yuezato/algebra already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/yuezato/fast_array_ops` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bindgen v0.54.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 669b46655eb1722727bee7527371a373e2ea202d9d39946992b2fe363c6a9492 [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" "669b46655eb1722727bee7527371a373e2ea202d9d39946992b2fe363c6a9492", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "669b46655eb1722727bee7527371a373e2ea202d9d39946992b2fe363c6a9492", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "669b46655eb1722727bee7527371a373e2ea202d9d39946992b2fe363c6a9492", kill_on_drop: false }` [INFO] [stdout] 669b46655eb1722727bee7527371a373e2ea202d9d39946992b2fe363c6a9492 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 82839dde7c238711530ca1ce506fb4f485e49e20c4a1b25358990e42dd3d6026 [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" "82839dde7c238711530ca1ce506fb4f485e49e20c4a1b25358990e42dd3d6026", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling bindgen v0.54.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling clang-sys v0.29.3 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling fast_array_ops v0.1.0 (https://github.com/yuezato/fast_array_ops#09d012d5) [INFO] [stderr] Checking algebra v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/mebc.rs:95:28 [INFO] [stdout] | [INFO] [stdout] 95 | .filter(|(key, val)| vecJ.contains(key)) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ops_len` [INFO] [stdout] --> src/mebc.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn ops_len(data: &Data) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ops_len2` [INFO] [stdout] --> src/mebc.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn ops_len2(data: &Data) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `update` [INFO] [stdout] --> src/mebc.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn update(ms: &mut HashMap>, key: usize, val: usize) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `commands_to_data` [INFO] [stdout] --> src/mebc.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn commands_to_data(commands: &[Command]) -> Data { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `data_to_commands` [INFO] [stdout] --> src/mebc.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn data_to_commands(data: &Data) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `expand_from_core` [INFO] [stdout] --> src/mebc.rs:75:4 [INFO] [stdout] | [INFO] [stdout] 75 | fn expand_from_core(data: &Data, p: Vec<&HashSet>) -> (Vec, Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `has_merit` [INFO] [stdout] --> src/mebc.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | fn has_merit(nr_to: usize, nr_from: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `merit` [INFO] [stdout] --> src/mebc.rs:121:4 [INFO] [stdout] | [INFO] [stdout] 121 | fn merit(nr_to: usize, nr_from: usize) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `monte_carlo_maximum_edge_biclique` [INFO] [stdout] --> src/mebc.rs:125:4 [INFO] [stdout] | [INFO] [stdout] 125 | fn monte_carlo_maximum_edge_biclique(data: &Data) -> (Vec, Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `to_sorted_vec` [INFO] [stdout] --> src/mebc.rs:169:4 [INFO] [stdout] | [INFO] [stdout] 169 | fn to_sorted_vec<'a>(s: impl Iterator) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dump_data` [INFO] [stdout] --> src/mebc.rs:175:4 [INFO] [stdout] | [INFO] [stdout] 175 | fn dump_data(data: &Data) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `generate_commands` [INFO] [stdout] --> src/mebc.rs:186:4 [INFO] [stdout] | [INFO] [stdout] 186 | fn generate_commands(dsts: &Vec, srcs: &Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `shrink_data_by_MEB` [INFO] [stdout] --> src/mebc.rs:206:4 [INFO] [stdout] | [INFO] [stdout] 206 | fn shrink_data_by_MEB(data: &mut Data) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `vecI` should have a snake case name [INFO] [stdout] --> src/mebc.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | let mut vecI: Vec = Vec::new(); [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `vec_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `vecJ` should have a snake case name [INFO] [stdout] --> src/mebc.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let mut vecJ: Vec = Vec::new(); [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `vec_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `vecJ_inner` should have a snake case name [INFO] [stdout] --> src/mebc.rs:93:13 [INFO] [stdout] | [INFO] [stdout] 93 | let vecJ_inner: Vec<&HashSet> = [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `vec_j_inner` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shrink_data_by_MEB` should have a snake case name [INFO] [stdout] --> src/mebc.rs:206:4 [INFO] [stdout] | [INFO] [stdout] 206 | fn shrink_data_by_MEB(data: &mut Data) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `shrink_data_by_meb` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i1` [INFO] [stdout] --> src/bit_based_gf8.rs:1012:13 [INFO] [stdout] | [INFO] [stdout] 1012 | let i1 = GF_2_8_impl::new(ppoly()); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_i1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/mebc.rs:95:28 [INFO] [stdout] | [INFO] [stdout] 95 | .filter(|(key, val)| vecJ.contains(key)) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bit_based_encdec.rs:535:13 [INFO] [stdout] | [INFO] [stdout] 535 | let mut vanderm: Matrix = modified_systematic_vandermonde( [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/bit_based_encdec.rs:582:13 [INFO] [stdout] | [INFO] [stdout] 582 | let mut vanderm: Matrix = modified_systematic_vandermonde( [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `vecI` should have a snake case name [INFO] [stdout] --> src/mebc.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | let mut vecI: Vec = Vec::new(); [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `vec_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `vecJ` should have a snake case name [INFO] [stdout] --> src/mebc.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let mut vecJ: Vec = Vec::new(); [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `vec_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `vecJ_inner` should have a snake case name [INFO] [stdout] --> src/mebc.rs:93:13 [INFO] [stdout] | [INFO] [stdout] 93 | let vecJ_inner: Vec<&HashSet> = [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `vec_j_inner` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shrink_data_by_MEB` should have a snake case name [INFO] [stdout] --> src/mebc.rs:206:4 [INFO] [stdout] | [INFO] [stdout] 206 | fn shrink_data_by_MEB(data: &mut Data) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `shrink_data_by_meb` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `vI` should have a snake case name [INFO] [stdout] --> src/mebc.rs:449:14 [INFO] [stdout] | [INFO] [stdout] 449 | let (vI, vJ) = expand_from_core(&data, p); [INFO] [stdout] | ^^ help: convert the identifier to snake case: `v_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `vJ` should have a snake case name [INFO] [stdout] --> src/mebc.rs:449:18 [INFO] [stdout] | [INFO] [stdout] 449 | let (vI, vJ) = expand_from_core(&data, p); [INFO] [stdout] | ^^ help: convert the identifier to snake case: `v_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 57.40s [INFO] running `Command { std: "docker" "inspect" "82839dde7c238711530ca1ce506fb4f485e49e20c4a1b25358990e42dd3d6026", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82839dde7c238711530ca1ce506fb4f485e49e20c4a1b25358990e42dd3d6026", kill_on_drop: false }` [INFO] [stdout] 82839dde7c238711530ca1ce506fb4f485e49e20c4a1b25358990e42dd3d6026