[INFO] cloning repository https://github.com/2D-snaque/matrix-operations
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/2D-snaque/matrix-operations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2D-snaque%2Fmatrix-operations", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2D-snaque%2Fmatrix-operations'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95f86a139100b7748ae08379778c4019cc18a44e
[INFO] checking 2D-snaque/matrix-operations against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2D-snaque%2Fmatrix-operations" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/2D-snaque/matrix-operations
[INFO] finished tweaking git repo https://github.com/2D-snaque/matrix-operations
[INFO] tweaked toml for git repo https://github.com/2D-snaque/matrix-operations written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/2D-snaque/matrix-operations on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/2D-snaque/matrix-operations 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b56a0e94ad98f9efe4d042ebfca5fbd7f9f041e4db7dc653a91445a66bf1034a
[INFO] running `Command { std: "docker" "start" "-a" "b56a0e94ad98f9efe4d042ebfca5fbd7f9f041e4db7dc653a91445a66bf1034a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b56a0e94ad98f9efe4d042ebfca5fbd7f9f041e4db7dc653a91445a66bf1034a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b56a0e94ad98f9efe4d042ebfca5fbd7f9f041e4db7dc653a91445a66bf1034a", kill_on_drop: false }`
[INFO] [stdout] b56a0e94ad98f9efe4d042ebfca5fbd7f9f041e4db7dc653a91445a66bf1034a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6523079d3985e8f7c0d66b474b67144ac27dd3868ffe97dc6beebf1a5ea9b6bd
[INFO] running `Command { std: "docker" "start" "-a" "6523079d3985e8f7c0d66b474b67144ac27dd3868ffe97dc6beebf1a5ea9b6bd", kill_on_drop: false }`
[INFO] [stderr]     Checking matrix-operations v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking operations v0.1.0 (/opt/rustwide/workdir/operations)
[INFO] [stdout] warning: type `MatrixTypes` is more private than the item `Matrix::new_preset`
[INFO] [stdout]   --> operations/src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         pub fn new_preset(matrix_type: MatrixTypes) -> Self {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `Matrix::new_preset` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `MatrixTypes` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> operations/src/lib.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout]  3 |     enum MatrixTypes {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Identity` and `Scalar` are never constructed
[INFO] [stdout]  --> operations/src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     enum MatrixTypes {
[INFO] [stdout]   |          ----------- variants in this enum
[INFO] [stdout] 4 |         Zero((u16, u16)),
[INFO] [stdout] 5 |         Identity(u16),
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 6 |         Scalar(u16, i128),
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MatrixTypes` is more private than the item `Matrix::new_preset`
[INFO] [stdout]   --> operations/src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         pub fn new_preset(matrix_type: MatrixTypes) -> Self {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `Matrix::new_preset` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `MatrixTypes` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> operations/src/lib.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout]  3 |     enum MatrixTypes {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Identity` and `Scalar` are never constructed
[INFO] [stdout]  --> operations/src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     enum MatrixTypes {
[INFO] [stdout]   |          ----------- variants in this enum
[INFO] [stdout] 4 |         Zero((u16, u16)),
[INFO] [stdout] 5 |         Identity(u16),
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 6 |         Scalar(u16, i128),
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MatrixTypes` is more private than the item `Matrix::new_preset`
[INFO] [stdout]   --> operations/src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         pub fn new_preset(matrix_type: MatrixTypes) -> Self {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `Matrix::new_preset` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `MatrixTypes` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> operations/src/lib.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout]  3 |     enum MatrixTypes {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Identity` and `Scalar` are never constructed
[INFO] [stdout]  --> operations/src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     enum MatrixTypes {
[INFO] [stdout]   |          ----------- variants in this enum
[INFO] [stdout] 4 |         Zero((u16, u16)),
[INFO] [stdout] 5 |         Identity(u16),
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 6 |         Scalar(u16, i128),
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MatrixTypes` is more private than the item `Matrix::new_preset`
[INFO] [stdout]   --> operations/src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         pub fn new_preset(matrix_type: MatrixTypes) -> Self {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `Matrix::new_preset` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `MatrixTypes` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> operations/src/lib.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout]  3 |     enum MatrixTypes {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Identity` and `Scalar` are never constructed
[INFO] [stdout]  --> operations/src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     enum MatrixTypes {
[INFO] [stdout]   |          ----------- variants in this enum
[INFO] [stdout] 4 |         Zero((u16, u16)),
[INFO] [stdout] 5 |         Identity(u16),
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 6 |         Scalar(u16, i128),
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "6523079d3985e8f7c0d66b474b67144ac27dd3868ffe97dc6beebf1a5ea9b6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6523079d3985e8f7c0d66b474b67144ac27dd3868ffe97dc6beebf1a5ea9b6bd", kill_on_drop: false }`
[INFO] [stdout] 6523079d3985e8f7c0d66b474b67144ac27dd3868ffe97dc6beebf1a5ea9b6bd
