[INFO] cloning repository https://github.com/stmtk1/stmatic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stmtk1/stmatic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstmtk1%2Fstmatic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstmtk1%2Fstmatic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4e766014687907db3202c416ca891c79376172f
[INFO] testing stmtk1/stmatic against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstmtk1%2Fstmatic" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stmtk1/stmatic on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stmtk1/stmatic
[INFO] finished tweaking git repo https://github.com/stmtk1/stmatic
[INFO] tweaked toml for git repo https://github.com/stmtk1/stmatic written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/stmtk1/stmatic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f51c47f9b07fd96116aca16bb3d0d8a3fe5aa4ff6d494bcdd6190fe00476414d
[INFO] running `Command { std: "docker" "start" "-a" "f51c47f9b07fd96116aca16bb3d0d8a3fe5aa4ff6d494bcdd6190fe00476414d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f51c47f9b07fd96116aca16bb3d0d8a3fe5aa4ff6d494bcdd6190fe00476414d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f51c47f9b07fd96116aca16bb3d0d8a3fe5aa4ff6d494bcdd6190fe00476414d", kill_on_drop: false }`
[INFO] [stdout] f51c47f9b07fd96116aca16bb3d0d8a3fe5aa4ff6d494bcdd6190fe00476414d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d68291f42a8e71db9a4ee7be65061179b29f0fd47fe1bd91ec7d28b3bef4775f
[INFO] running `Command { std: "docker" "start" "-a" "d68291f42a8e71db9a4ee7be65061179b29f0fd47fe1bd91ec7d28b3bef4775f", kill_on_drop: false }`
[INFO] [stderr]    Compiling stmatic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     if (v1.len() != v2.len()) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `variance`
[INFO] [stdout]  --> src/lib.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn variance(v: &Vec<f64>) -> f64 {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "d68291f42a8e71db9a4ee7be65061179b29f0fd47fe1bd91ec7d28b3bef4775f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d68291f42a8e71db9a4ee7be65061179b29f0fd47fe1bd91ec7d28b3bef4775f", kill_on_drop: false }`
[INFO] [stdout] d68291f42a8e71db9a4ee7be65061179b29f0fd47fe1bd91ec7d28b3bef4775f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3eb99042cc23a1739c8aac45f296a74454170af268b7ade1eec06c309f2c449
[INFO] running `Command { std: "docker" "start" "-a" "c3eb99042cc23a1739c8aac45f296a74454170af268b7ade1eec06c309f2c449", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     if (v1.len() != v2.len()) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stmatic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `variance`
[INFO] [stdout]  --> src/lib.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn variance(v: &Vec<f64>) -> f64 {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     if (v1.len() != v2.len()) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `variance`
[INFO] [stdout]  --> src/lib.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn variance(v: &Vec<f64>) -> f64 {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c3eb99042cc23a1739c8aac45f296a74454170af268b7ade1eec06c309f2c449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3eb99042cc23a1739c8aac45f296a74454170af268b7ade1eec06c309f2c449", kill_on_drop: false }`
[INFO] [stdout] c3eb99042cc23a1739c8aac45f296a74454170af268b7ade1eec06c309f2c449
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f4201ff0ddb87dc606dbf12a22241d529342db7b4254c556b505b3be6b79c9f
[INFO] running `Command { std: "docker" "start" "-a" "2f4201ff0ddb87dc606dbf12a22241d529342db7b4254c556b505b3be6b79c9f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stdout] running 2 tests
[INFO] [stderr]   --> src/lib.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 |     if (v1.len() != v2.len()) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `variance`
[INFO] [stderr]  --> src/lib.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn variance(v: &Vec<f64>) -> f64 {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/lib.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 |     if (v1.len() != v2.len()) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `variance`
[INFO] [stderr]  --> src/lib.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn variance(v: &Vec<f64>) -> f64 {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stmatic-1a46f7f344ebf707)
[INFO] [stdout] test test::all_same_variance ... ok
[INFO] [stderr]    Doc-tests stmatic
[INFO] [stdout] test test::cascade_variance ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 |     if (v1.len() != v2.len()) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f4201ff0ddb87dc606dbf12a22241d529342db7b4254c556b505b3be6b79c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4201ff0ddb87dc606dbf12a22241d529342db7b4254c556b505b3be6b79c9f", kill_on_drop: false }`
[INFO] [stdout] 2f4201ff0ddb87dc606dbf12a22241d529342db7b4254c556b505b3be6b79c9f