[INFO] cloning repository https://github.com/steel58/rust_lab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/steel58/rust_lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteel58%2Frust_lab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteel58%2Frust_lab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 103e30705dbee5affae0dfea90d8d5ee156027b0
[INFO] checking steel58/rust_lab against master#cf79d034aa3d8f396d407aafce6f1ccd818e710e for pr-155657
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteel58%2Frust_lab" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/steel58/rust_lab
[INFO] finished tweaking git repo https://github.com/steel58/rust_lab
[INFO] tweaked toml for git repo https://github.com/steel58/rust_lab written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/steel58/rust_lab on toolchain cf79d034aa3d8f396d407aafce6f1ccd818e710e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/steel58/rust_lab 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" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scanf v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37e3ec15389864a224198be80d24cd00c22957d148ff6fd82a5d10f9c35456ef
[INFO] running `Command { std: "docker" "start" "-a" "37e3ec15389864a224198be80d24cd00c22957d148ff6fd82a5d10f9c35456ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37e3ec15389864a224198be80d24cd00c22957d148ff6fd82a5d10f9c35456ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37e3ec15389864a224198be80d24cd00c22957d148ff6fd82a5d10f9c35456ef", kill_on_drop: false }`
[INFO] [stdout] 37e3ec15389864a224198be80d24cd00c22957d148ff6fd82a5d10f9c35456ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5d3e420f35481be1c053c37103c3a0495915ce5edf21bcd4868f61d666fda6c
[INFO] running `Command { std: "docker" "start" "-a" "a5d3e420f35481be1c053c37103c3a0495915ce5edf21bcd4868f61d666fda6c", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking scanf v1.2.1
[INFO] [stderr]     Checking rust_lab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Cross`, `Det`, `Diag`, and `Id` are never constructed
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | enum Commands {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Cross,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     Det,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     Diag,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     Id,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/data_type.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Vector (Vec<f64>, usize),
[INFO] [stdout]   |     ------            ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Type` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Vector (Vec<f64>, usize),
[INFO] [stdout] 8 +     Vector (Vec<f64>, ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add`, `vec_add`, `num_add`, `mat_add`, `size_of`, and `cross` are never used
[INFO] [stdout]    --> src/data_type.rs:28:12
[INFO] [stdout]     |
[INFO] [stdout]  27 | impl Type {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout]  28 |     pub fn add(&self, other: Type) -> Type{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  39 |     pub fn vec_add(&self, vec_b: Type) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  68 |     pub fn num_add(&self, num_b: Type) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     pub fn mat_add(&self, mat_2: Type) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn size_of(&self) -> Type {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub fn cross(&self, vec_2: Self) -> Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `id` is never used
[INFO] [stdout]  --> src/generators.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn id(n: usize) -> Type {
[INFO] [stdout]   |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `diag` is never used
[INFO] [stdout]   --> src/generators.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn diag(size: usize, shift: isize) -> Type {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Cross`, `Det`, `Diag`, and `Id` are never constructed
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | enum Commands {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Cross,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     Det,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     Diag,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     Id,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/data_type.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Vector (Vec<f64>, usize),
[INFO] [stdout]   |     ------            ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Type` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Vector (Vec<f64>, usize),
[INFO] [stdout] 8 +     Vector (Vec<f64>, ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/data_type.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Matrix (Vec<Vec<f64>>, (usize, usize)),
[INFO] [stdout]   |     ------                 ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Type` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 -     Matrix (Vec<Vec<f64>>, (usize, usize)),
[INFO] [stdout] 9 +     Matrix (Vec<Vec<f64>>, ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/data_type.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Error (String),
[INFO] [stdout]    |     -----  ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     Error (String),
[INFO] [stdout] 10 +     Error (()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/data_type.rs:28:12
[INFO] [stdout]     |
[INFO] [stdout]  27 | impl Type {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout]  28 |     pub fn add(&self, other: Type) -> Type{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  39 |     pub fn vec_add(&self, vec_b: Type) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  68 |     pub fn num_add(&self, num_b: Type) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     pub fn mat_add(&self, mat_2: Type) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn det(&self) -> Type {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn size_of(&self) -> Type {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub fn cross(&self, vec_2: Self) -> Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `det` is never used
[INFO] [stdout]    --> src/data_type.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn det(mat: Vec<Vec<f64>>) -> f64 {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cut_row` is never used
[INFO] [stdout]    --> src/data_type.rs:200:4
[INFO] [stdout]     |
[INFO] [stdout] 200 | fn cut_row(mat: Vec<Vec<f64>>, index: usize) -> Vec<Vec<f64>> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cut_column` is never used
[INFO] [stdout]    --> src/data_type.rs:206:4
[INFO] [stdout]     |
[INFO] [stdout] 206 | fn cut_column(mat: &Vec<Vec<f64>>, index: usize) -> Vec<Vec<f64>> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `id` is never used
[INFO] [stdout]  --> src/generators.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn id(n: usize) -> Type {
[INFO] [stdout]   |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `diag` is never used
[INFO] [stdout]   --> src/generators.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn diag(size: usize, shift: isize) -> Type {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `Command { std: "docker" "inspect" "a5d3e420f35481be1c053c37103c3a0495915ce5edf21bcd4868f61d666fda6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d3e420f35481be1c053c37103c3a0495915ce5edf21bcd4868f61d666fda6c", kill_on_drop: false }`
[INFO] [stdout] a5d3e420f35481be1c053c37103c3a0495915ce5edf21bcd4868f61d666fda6c
