[INFO] cloning repository https://github.com/sve009/RustPolynomialOperations
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sve009/RustPolynomialOperations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsve009%2FRustPolynomialOperations", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsve009%2FRustPolynomialOperations'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13a1bd66d26dbb1d1a093515e8841a619753eac0
[INFO] checking sve009/RustPolynomialOperations against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsve009%2FRustPolynomialOperations" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sve009/RustPolynomialOperations on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sve009/RustPolynomialOperations
[INFO] finished tweaking git repo https://github.com/sve009/RustPolynomialOperations
[INFO] tweaked toml for git repo https://github.com/sve009/RustPolynomialOperations written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sve009/RustPolynomialOperations already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9c919622bac92ad168d8b0c2587ef4640d652a963bfe4ac4e1c5a86cd33bc67
[INFO] running `Command { std: "docker" "start" "-a" "e9c919622bac92ad168d8b0c2587ef4640d652a963bfe4ac4e1c5a86cd33bc67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9c919622bac92ad168d8b0c2587ef4640d652a963bfe4ac4e1c5a86cd33bc67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c919622bac92ad168d8b0c2587ef4640d652a963bfe4ac4e1c5a86cd33bc67", kill_on_drop: false }`
[INFO] [stdout] e9c919622bac92ad168d8b0c2587ef4640d652a963bfe4ac4e1c5a86cd33bc67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eaf9f0adbd2c23ccc535b165841187923b5ba97eb450085bd7c450cc70eafe5a
[INFO] running `Command { std: "docker" "start" "-a" "eaf9f0adbd2c23ccc535b165841187923b5ba97eb450085bd7c450cc70eafe5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.5
[INFO] [stderr]    Compiling az v1.1.1
[INFO] [stderr]    Compiling rug v1.12.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking polynomial_operations v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `deg_eq` in this scope
[INFO] [stdout]   --> tests/operations_tests.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |         if deg_eq(&d1, &d2) {
[INFO] [stdout]    |            ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `deg_eq` in this scope
[INFO] [stdout]   --> tests/operations_tests.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |             assert!(deg_eq(&p3.terms[0].degree, &d1));
[INFO] [stdout]    |                     ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `deg_eq` in this scope
[INFO] [stdout]    --> tests/operations_tests.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |         assert!(deg_eq(&p3.terms[0].degree, &d3));
[INFO] [stdout]     |                 ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> tests/operations_tests.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |     for _ in (0..500) {
[INFO] [stdout]    |              ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> tests/operations_tests.rs:51:14
[INFO] [stdout]    |
[INFO] [stdout] 51 |     for _ in (0..500) {
[INFO] [stdout]    |              ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> tests/operations_tests.rs:75:14
[INFO] [stdout]    |
[INFO] [stdout] 75 |     for _ in (0..500) {
[INFO] [stdout]    |              ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> tests/operations_tests.rs:101:14
[INFO] [stdout]     |
[INFO] [stdout] 101 |     for _ in (0..500) {
[INFO] [stdout]     |              ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> tests/operations_tests.rs:286:14
[INFO] [stdout]     |
[INFO] [stdout] 286 |     for _ in (0..5) {
[INFO] [stdout]     |              ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> tests/operations_tests.rs:289:18
[INFO] [stdout]     |
[INFO] [stdout] 289 |         for _ in (0..4) {
[INFO] [stdout]     |                  ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> tests/operations_tests.rs:298:26
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 for _ in (0..degs) {
[INFO] [stdout]     |                          ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polynomial_operations`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "eaf9f0adbd2c23ccc535b165841187923b5ba97eb450085bd7c450cc70eafe5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaf9f0adbd2c23ccc535b165841187923b5ba97eb450085bd7c450cc70eafe5a", kill_on_drop: false }`
[INFO] [stdout] eaf9f0adbd2c23ccc535b165841187923b5ba97eb450085bd7c450cc70eafe5a