[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] building chloro-pn/matrix-rs against try#58b1b3c5342a414c161338871f8004258ccef2a7 for pr-149937 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchloro-pn%2Fmatrix-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [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-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/chloro-pn/matrix-rs on toolchain 58b1b3c5342a414c161338871f8004258ccef2a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9466bec3034723999b0476b38fb5e501c82b9155ae41650661eba03acc68a8dc [INFO] running `Command { std: "docker" "start" "-a" "9466bec3034723999b0476b38fb5e501c82b9155ae41650661eba03acc68a8dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9466bec3034723999b0476b38fb5e501c82b9155ae41650661eba03acc68a8dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9466bec3034723999b0476b38fb5e501c82b9155ae41650661eba03acc68a8dc", kill_on_drop: false }` [INFO] [stdout] 9466bec3034723999b0476b38fb5e501c82b9155ae41650661eba03acc68a8dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7470db872671fdf52994564b07b6effae777aa0abcb917be343e8f49cc99cd54 [INFO] running `Command { std: "docker" "start" "-a" "7470db872671fdf52994564b07b6effae777aa0abcb917be343e8f49cc99cd54", kill_on_drop: false }` [INFO] [stderr] Compiling 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)]` (part of `#[warn(unused)]`) 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_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)]` (part of `#[warn(unused)]`) 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "7470db872671fdf52994564b07b6effae777aa0abcb917be343e8f49cc99cd54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7470db872671fdf52994564b07b6effae777aa0abcb917be343e8f49cc99cd54", kill_on_drop: false }` [INFO] [stdout] 7470db872671fdf52994564b07b6effae777aa0abcb917be343e8f49cc99cd54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aec52f95209a6d08802a55ab2dfa8edca5819d9be3c85d05699325fb98f64498 [INFO] running `Command { std: "docker" "start" "-a" "aec52f95209a6d08802a55ab2dfa8edca5819d9be3c85d05699325fb98f64498", kill_on_drop: false }` [INFO] [stderr] Compiling 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)]` (part of `#[warn(unused)]`) 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_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)]` (part of `#[warn(unused)]`) 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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "aec52f95209a6d08802a55ab2dfa8edca5819d9be3c85d05699325fb98f64498", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aec52f95209a6d08802a55ab2dfa8edca5819d9be3c85d05699325fb98f64498", kill_on_drop: false }` [INFO] [stdout] aec52f95209a6d08802a55ab2dfa8edca5819d9be3c85d05699325fb98f64498