[INFO] cloning repository https://github.com/eightfx/Reed_Solomon_Coding_by_Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eightfx/Reed_Solomon_Coding_by_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feightfx%2FReed_Solomon_Coding_by_Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feightfx%2FReed_Solomon_Coding_by_Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ff6519ac194863f8f53ffaf604d69d61f23474bf [INFO] checking eightfx/Reed_Solomon_Coding_by_Rust against try#3a4cb0edb4040379c037e06efeb5409e44be7b77 for pr-146377 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feightfx%2FReed_Solomon_Coding_by_Rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/eightfx/Reed_Solomon_Coding_by_Rust [INFO] finished tweaking git repo https://github.com/eightfx/Reed_Solomon_Coding_by_Rust [INFO] tweaked toml for git repo https://github.com/eightfx/Reed_Solomon_Coding_by_Rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/eightfx/Reed_Solomon_Coding_by_Rust on toolchain 3a4cb0edb4040379c037e06efeb5409e44be7b77 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/eightfx/Reed_Solomon_Coding_by_Rust 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" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "fetch" "--manifest-path" "Cargo.toml", 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] Downloading crates ... [INFO] [stderr] Downloaded galois_field v0.1.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3892016a3dc4d5d23d4d4ef076462251daa355b2863260d00c40df1154cb77bc [INFO] running `Command { std: "docker" "start" "-a" "3892016a3dc4d5d23d4d4ef076462251daa355b2863260d00c40df1154cb77bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3892016a3dc4d5d23d4d4ef076462251daa355b2863260d00c40df1154cb77bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3892016a3dc4d5d23d4d4ef076462251daa355b2863260d00c40df1154cb77bc", kill_on_drop: false }` [INFO] [stdout] 3892016a3dc4d5d23d4d4ef076462251daa355b2863260d00c40df1154cb77bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7eea0797246b8ab8f8d3edd81db82815e59437d0c5a8784c27abb49edf7fb69d [INFO] running `Command { std: "docker" "start" "-a" "7eea0797246b8ab8f8d3edd81db82815e59437d0c5a8784c27abb49edf7fb69d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling libc v0.2.135 [INFO] [stderr] Checking galois_field v0.1.9 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking reed_solomon v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:144:7 [INFO] [stdout] | [INFO] [stdout] 144 | let mut origin_P_i = P.coef[i].clone(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:154:7 [INFO] [stdout] | [INFO] [stdout] 154 | let mut origin_P_i = P.coef[i].clone(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:193:6 [INFO] [stdout] | [INFO] [stdout] 193 | let mut Q0:Polynomial = Polynomial{ [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:196:6 [INFO] [stdout] | [INFO] [stdout] 196 | let mut Q1:Polynomial = Polynomial{ [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:75:6 [INFO] [stdout] | [INFO] [stdout] 75 | for i in 0..char - 1 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `matrix_visualize` is never used [INFO] [stdout] --> src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn matrix_visualize(matrix: Matrix) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `P_vec` should have a snake case name [INFO] [stdout] --> src/main.rs:74:10 [INFO] [stdout] | [INFO] [stdout] 74 | let mut P_vec:Vec = Vec::new(); [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `p_vec` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `P` should have a snake case name [INFO] [stdout] --> src/main.rs:79:6 [INFO] [stdout] | [INFO] [stdout] 79 | let P:Polynomial = Polynomial{ [INFO] [stdout] | ^ help: convert the identifier to snake case: `p` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `H` should have a snake case name [INFO] [stdout] --> src/main.rs:138:10 [INFO] [stdout] | [INFO] [stdout] 138 | let mut H:Matrix = Matrix{ [INFO] [stdout] | ^ help: convert the identifier to snake case: `h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `P_i` should have a snake case name [INFO] [stdout] --> src/main.rs:143:11 [INFO] [stdout] | [INFO] [stdout] 143 | let mut P_i = P.coef[i].clone(); [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `p_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `origin_P_i` should have a snake case name [INFO] [stdout] --> src/main.rs:144:11 [INFO] [stdout] | [INFO] [stdout] 144 | let mut origin_P_i = P.coef[i].clone(); [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `origin_p_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `P_i` should have a snake case name [INFO] [stdout] --> src/main.rs:153:11 [INFO] [stdout] | [INFO] [stdout] 153 | let mut P_i = P.coef[i].clone(); [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `p_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `origin_P_i` should have a snake case name [INFO] [stdout] --> src/main.rs:154:11 [INFO] [stdout] | [INFO] [stdout] 154 | let mut origin_P_i = P.coef[i].clone(); [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `origin_p_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Q` should have a snake case name [INFO] [stdout] --> src/main.rs:177:10 [INFO] [stdout] | [INFO] [stdout] 177 | let mut Q:Polynomial = Polynomial{ [INFO] [stdout] | ^ help: convert the identifier to snake case: `q` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Q0` should have a snake case name [INFO] [stdout] --> src/main.rs:193:10 [INFO] [stdout] | [INFO] [stdout] 193 | let mut Q0:Polynomial = Polynomial{ [INFO] [stdout] | ^^ help: convert the identifier to snake case: `q0` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Q1` should have a snake case name [INFO] [stdout] --> src/main.rs:196:10 [INFO] [stdout] | [INFO] [stdout] 196 | let mut Q1:Polynomial = Polynomial{ [INFO] [stdout] | ^^ help: convert the identifier to snake case: `q1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:144:7 [INFO] [stdout] | [INFO] [stdout] 144 | let mut origin_P_i = P.coef[i].clone(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:154:7 [INFO] [stdout] | [INFO] [stdout] 154 | let mut origin_P_i = P.coef[i].clone(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:193:6 [INFO] [stdout] | [INFO] [stdout] 193 | let mut Q0:Polynomial = Polynomial{ [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:196:6 [INFO] [stdout] | [INFO] [stdout] 196 | let mut Q1:Polynomial = Polynomial{ [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:75:6 [INFO] [stdout] | [INFO] [stdout] 75 | for i in 0..char - 1 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `matrix_visualize` is never used [INFO] [stdout] --> src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn matrix_visualize(matrix: Matrix) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `P_vec` should have a snake case name [INFO] [stdout] --> src/main.rs:74:10 [INFO] [stdout] | [INFO] [stdout] 74 | let mut P_vec:Vec = Vec::new(); [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `p_vec` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `P` should have a snake case name [INFO] [stdout] --> src/main.rs:79:6 [INFO] [stdout] | [INFO] [stdout] 79 | let P:Polynomial = Polynomial{ [INFO] [stdout] | ^ help: convert the identifier to snake case: `p` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `H` should have a snake case name [INFO] [stdout] --> src/main.rs:138:10 [INFO] [stdout] | [INFO] [stdout] 138 | let mut H:Matrix = Matrix{ [INFO] [stdout] | ^ help: convert the identifier to snake case: `h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `P_i` should have a snake case name [INFO] [stdout] --> src/main.rs:143:11 [INFO] [stdout] | [INFO] [stdout] 143 | let mut P_i = P.coef[i].clone(); [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `p_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `origin_P_i` should have a snake case name [INFO] [stdout] --> src/main.rs:144:11 [INFO] [stdout] | [INFO] [stdout] 144 | let mut origin_P_i = P.coef[i].clone(); [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `origin_p_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `P_i` should have a snake case name [INFO] [stdout] --> src/main.rs:153:11 [INFO] [stdout] | [INFO] [stdout] 153 | let mut P_i = P.coef[i].clone(); [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `p_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `origin_P_i` should have a snake case name [INFO] [stdout] --> src/main.rs:154:11 [INFO] [stdout] | [INFO] [stdout] 154 | let mut origin_P_i = P.coef[i].clone(); [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `origin_p_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Q` should have a snake case name [INFO] [stdout] --> src/main.rs:177:10 [INFO] [stdout] | [INFO] [stdout] 177 | let mut Q:Polynomial = Polynomial{ [INFO] [stdout] | ^ help: convert the identifier to snake case: `q` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Q0` should have a snake case name [INFO] [stdout] --> src/main.rs:193:10 [INFO] [stdout] | [INFO] [stdout] 193 | let mut Q0:Polynomial = Polynomial{ [INFO] [stdout] | ^^ help: convert the identifier to snake case: `q0` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Q1` should have a snake case name [INFO] [stdout] --> src/main.rs:196:10 [INFO] [stdout] | [INFO] [stdout] 196 | let mut Q1:Polynomial = Polynomial{ [INFO] [stdout] | ^^ help: convert the identifier to snake case: `q1` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.59s [INFO] running `Command { std: "docker" "inspect" "7eea0797246b8ab8f8d3edd81db82815e59437d0c5a8784c27abb49edf7fb69d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7eea0797246b8ab8f8d3edd81db82815e59437d0c5a8784c27abb49edf7fb69d", kill_on_drop: false }` [INFO] [stdout] 7eea0797246b8ab8f8d3edd81db82815e59437d0c5a8784c27abb49edf7fb69d