[INFO] cloning repository https://github.com/chloro-pn/matrix-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chloro-pn/matrix-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchloro-pn%2Fmatrix-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchloro-pn%2Fmatrix-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9bc0dcb57a41864d36c175e687309b91845b54ae [INFO] checking chloro-pn/matrix-rs/9bc0dcb57a41864d36c175e687309b91845b54ae against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchloro-pn%2Fmatrix-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chloro-pn/matrix-rs on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chloro-pn/matrix-rs [INFO] finished tweaking git repo https://github.com/chloro-pn/matrix-rs [INFO] tweaked toml for git repo https://github.com/chloro-pn/matrix-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/chloro-pn/matrix-rs 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 90f6f1666785997e56db1adca5048c06a753d78dd55da0f8e0055ca387df7836 [INFO] running `Command { std: "docker" "start" "-a" "90f6f1666785997e56db1adca5048c06a753d78dd55da0f8e0055ca387df7836", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "90f6f1666785997e56db1adca5048c06a753d78dd55da0f8e0055ca387df7836", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90f6f1666785997e56db1adca5048c06a753d78dd55da0f8e0055ca387df7836", kill_on_drop: false }` [INFO] [stdout] 90f6f1666785997e56db1adca5048c06a753d78dd55da0f8e0055ca387df7836 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fc9e572ee27be724bec2da313ed1c4a241c64f3bee45aae48a4a58648b85ef44 [INFO] running `Command { std: "docker" "start" "-a" "fc9e572ee27be724bec2da313ed1c4a241c64f3bee45aae48a4a58648b85ef44", kill_on_drop: false }` [INFO] [stderr] Checking matrix v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/sparse_matrix.rs:173:21 [INFO] [stdout] | [INFO] [stdout] 173 | if let Some(mut item) = the_item { [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/sparse_matrix.rs:186:21 [INFO] [stdout] | [INFO] [stdout] 186 | if let Some(mut item) = the_item { [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/sparse_matrix.rs:173:21 [INFO] [stdout] | [INFO] [stdout] 173 | if let Some(mut item) = the_item { [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: method `set_nth_column` is never used [INFO] [stdout] --> src/dense_matrix.rs:135:12 [INFO] [stdout] | [INFO] [stdout] 133 | impl DenseMatrix { [INFO] [stdout] | ------------------------------ method in this implementation [INFO] [stdout] 134 | #[warn(dead_code)] [INFO] [stdout] 135 | pub fn set_nth_column(self : &mut Self, col : usize, v : Vector) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/dense_matrix.rs:134:12 [INFO] [stdout] | [INFO] [stdout] 134 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_sub_matrix` is never used [INFO] [stdout] --> src/matrix_base.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 32 | pub trait ConstMatrix { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 36 | fn get_sub_matrix(&self, row_begin : usize, row : usize, col_begin : usize, col : usize) -> Self; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/sparse_matrix.rs:186:21 [INFO] [stdout] | [INFO] [stdout] 186 | if let Some(mut item) = the_item { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_from_matrix` is never used [INFO] [stdout] --> src/matrix_base.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 43 | pub trait Matrix + Group + PartialEq + Clone> : MatrixInit + ConstMatrix + Clone + Sized { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 50 | fn set_from_matrix>(self : &mut Self, row_begin : usize, col_begin : usize, m : &T2) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_nth_column` is never used [INFO] [stdout] --> src/dense_matrix.rs:135:12 [INFO] [stdout] | [INFO] [stdout] 133 | impl DenseMatrix { [INFO] [stdout] | ------------------------------ method in this implementation [INFO] [stdout] 134 | #[warn(dead_code)] [INFO] [stdout] 135 | pub fn set_nth_column(self : &mut Self, col : usize, v : Vector) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/dense_matrix.rs:134:12 [INFO] [stdout] | [INFO] [stdout] 134 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_sub_matrix` is never used [INFO] [stdout] --> src/matrix_base.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 32 | pub trait ConstMatrix { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 36 | fn get_sub_matrix(&self, row_begin : usize, row : usize, col_begin : usize, col : usize) -> Self; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_from_matrix` is never used [INFO] [stdout] --> src/matrix_base.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 43 | pub trait Matrix + Group + PartialEq + Clone> : MatrixInit + ConstMatrix + Clone + Sized { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 50 | fn set_from_matrix>(self : &mut Self, row_begin : usize, col_begin : usize, m : &T2) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new_with` is never used [INFO] [stdout] --> src/vector.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 36 | impl Vector { [INFO] [stdout] | ------------------------- associated function in this implementation [INFO] [stdout] 37 | #[warn(dead_code)] [INFO] [stdout] 38 | pub fn new_with(length : usize, value : T) -> Vector { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/vector.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "fc9e572ee27be724bec2da313ed1c4a241c64f3bee45aae48a4a58648b85ef44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc9e572ee27be724bec2da313ed1c4a241c64f3bee45aae48a4a58648b85ef44", kill_on_drop: false }` [INFO] [stdout] fc9e572ee27be724bec2da313ed1c4a241c64f3bee45aae48a4a58648b85ef44