[INFO] cloning repository https://github.com/imunitic/tracer-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imunitic/tracer-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimunitic%2Ftracer-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimunitic%2Ftracer-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c4bdd0451c27d74e31dd70c9dd74d0c60f6de56
[INFO] testing imunitic/tracer-rs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimunitic%2Ftracer-rs" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imunitic/tracer-rs on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imunitic/tracer-rs
[INFO] finished tweaking git repo https://github.com/imunitic/tracer-rs
[INFO] tweaked toml for git repo https://github.com/imunitic/tracer-rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/imunitic/tracer-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3369c21fa3206e708e6f05c061d21218313ab8a69b1b25521a356ac59d4fab3f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3369c21fa3206e708e6f05c061d21218313ab8a69b1b25521a356ac59d4fab3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3369c21fa3206e708e6f05c061d21218313ab8a69b1b25521a356ac59d4fab3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3369c21fa3206e708e6f05c061d21218313ab8a69b1b25521a356ac59d4fab3f", kill_on_drop: false }`
[INFO] [stdout] 3369c21fa3206e708e6f05c061d21218313ab8a69b1b25521a356ac59d4fab3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a84247880573e8f33949a28a091839d2f660345c6f5a05369c72725851961775
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a84247880573e8f33949a28a091839d2f660345c6f5a05369c72725851961775", kill_on_drop: false }`
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling tracer-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated constant is never used: `EPSILON`
[INFO] [stdout]   --> src/color.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 13 |     const EPSILON: f64 = 0.00001_f64;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eq`
[INFO] [stdout]   --> src/color.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn eq(self, rhs: Color) -> bool {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]   --> src/color.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn default() -> Color {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `EPSILON`
[INFO] [stdout]   --> src/tuple.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     const EPSILON: f64 = 0.00001_f64;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eq`
[INFO] [stdout]   --> src/tuple.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn eq(self, other: Tuple) -> bool {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dot`
[INFO] [stdout]   --> src/tuple.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn dot(self, other: Tuple) -> f64 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cross`
[INFO] [stdout]   --> src/tuple.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn cross(self, other: Tuple) -> Tuple {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "a84247880573e8f33949a28a091839d2f660345c6f5a05369c72725851961775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a84247880573e8f33949a28a091839d2f660345c6f5a05369c72725851961775", kill_on_drop: false }`
[INFO] [stdout] a84247880573e8f33949a28a091839d2f660345c6f5a05369c72725851961775
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e041859f811672d8a79e9d07ae6d8b1935b0c469d429c483de09095112a6391
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5e041859f811672d8a79e9d07ae6d8b1935b0c469d429c483de09095112a6391", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracer-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]   --> src/color.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn default() -> Color {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "5e041859f811672d8a79e9d07ae6d8b1935b0c469d429c483de09095112a6391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e041859f811672d8a79e9d07ae6d8b1935b0c469d429c483de09095112a6391", kill_on_drop: false }`
[INFO] [stdout] 5e041859f811672d8a79e9d07ae6d8b1935b0c469d429c483de09095112a6391
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd5311a735e8fb8d36d872e41d2c50d0c268df0b0f97672c863ce23c3384c6c8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bd5311a735e8fb8d36d872e41d2c50d0c268df0b0f97672c863ce23c3384c6c8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `default`
[INFO] [stdout] running 27 tests
[INFO] [stderr]   --> src/color.rs:23:9
[INFO] [stdout] test canvas::tests::test_canvas_to_ppm_data ... ok
[INFO] [stderr]    |
[INFO] [stdout] test canvas::tests::test_canvas_write_pixel ... ok
[INFO] [stderr] 23 |     pub fn default() -> Color {
[INFO] [stdout] test color::tests::test_color_multiply_by_scalar ... ok
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stdout] test color::tests::test_color_subtraction ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tuple::tests::test_approx_eq ... ok
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] test tuple::tests::test_cross_product ... ok
[INFO] [stderr] 
[INFO] [stdout] test tuple::tests::test_division_by_scalar ... ok
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] test tuple::tests::test_dot_product ... ok
[INFO] [stderr] 
[INFO] [stdout] test tuple::tests::test_magnitude_of_tuple ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] test tuple::tests::test_multiplication_by_fraction ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracer_rs-fa5a1581f65e6aee
[INFO] [stdout] test tuple::tests::test_multiplication_by_scalar ... ok
[INFO] [stdout] test tuple::tests::test_neg_of_tuple ... ok
[INFO] [stdout] test tuple::tests::test_normalize_tuple ... ok
[INFO] [stdout] test tuple::tests::test_point_fn_creates_a_point ... ok
[INFO] [stdout] test tuple::tests::test_sub_vector_from_point ... ok
[INFO] [stdout] test tuple::tests::test_tuple_addition ... ok
[INFO] [stdout] test tuple::tests::test_tuple_as_point ... ok
[INFO] [stdout] test tuple::tests::test_tuple_as_vector ... ok
[INFO] [stdout] test tuple::tests::test_vector_fn_creates_a_vector ... ok
[INFO] [stdout] test canvas::tests::test_canvas_to_ppm_header ... ok
[INFO] [stdout] test color::tests::test_color_addition ... ok
[INFO] [stdout] test color::tests::test_color_blend ... ok
[INFO] [stdout] test canvas::tests::test_canvas_to_ppm_long_line ... ok
[INFO] [stdout] test color::tests::test_color ... ok
[INFO] [stdout] test canvas::tests::test_canvas_creation ... ok
[INFO] [stdout] test tuple::tests::test_sub_two_points ... ok
[INFO] [stdout] test tuple::tests::test_sub_two_vectors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bd5311a735e8fb8d36d872e41d2c50d0c268df0b0f97672c863ce23c3384c6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd5311a735e8fb8d36d872e41d2c50d0c268df0b0f97672c863ce23c3384c6c8", kill_on_drop: false }`
[INFO] [stdout] bd5311a735e8fb8d36d872e41d2c50d0c268df0b0f97672c863ce23c3384c6c8