[INFO] cloning repository https://github.com/uberblah/rust-simple-regression-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uberblah/rust-simple-regression-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuberblah%2Frust-simple-regression-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuberblah%2Frust-simple-regression-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c2d6b864f0800c8894355f594fa5590400759193 [INFO] testing uberblah/rust-simple-regression-example against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuberblah%2Frust-simple-regression-example" "/workspace/builds/worker-102/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-102/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/uberblah/rust-simple-regression-example on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/uberblah/rust-simple-regression-example [INFO] finished tweaking git repo https://github.com/uberblah/rust-simple-regression-example [INFO] tweaked toml for git repo https://github.com/uberblah/rust-simple-regression-example written to /workspace/builds/worker-102/source/Cargo.toml [INFO] crate git repo https://github.com/uberblah/rust-simple-regression-example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8896216a750439fe155621a686698abf30f1caa2102abe42ef64b80b455ea112 [INFO] running `Command { std: "docker" "start" "-a" "8896216a750439fe155621a686698abf30f1caa2102abe42ef64b80b455ea112", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8896216a750439fe155621a686698abf30f1caa2102abe42ef64b80b455ea112", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8896216a750439fe155621a686698abf30f1caa2102abe42ef64b80b455ea112", kill_on_drop: false }` [INFO] [stdout] 8896216a750439fe155621a686698abf30f1caa2102abe42ef64b80b455ea112 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ceb3365a5386b1ad3fff277ab69c631e22fac3422e4c0de2e5ebebbd5efd8bd1 [INFO] running `Command { std: "docker" "start" "-a" "ceb3365a5386b1ad3fff277ab69c631e22fac3422e4c0de2e5ebebbd5efd8bd1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.29 [INFO] [stderr] Compiling rand v0.3.16 [INFO] [stderr] Compiling rustreg v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:11:24 [INFO] [stdout] | [INFO] [stdout] 11 | fn make_noise() -> Box f64> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> f64` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:16:15 [INFO] [stdout] | [INFO] [stdout] 16 | fn mse(h: Box f64>, data: &Vec<(f64, f64)>) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.41s [INFO] running `Command { std: "docker" "inspect" "ceb3365a5386b1ad3fff277ab69c631e22fac3422e4c0de2e5ebebbd5efd8bd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ceb3365a5386b1ad3fff277ab69c631e22fac3422e4c0de2e5ebebbd5efd8bd1", kill_on_drop: false }` [INFO] [stdout] ceb3365a5386b1ad3fff277ab69c631e22fac3422e4c0de2e5ebebbd5efd8bd1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e338ea91c58e4d3fe784cfed8a66acd2864cd9428b932c2a812ab184a2c7f071 [INFO] running `Command { std: "docker" "start" "-a" "e338ea91c58e4d3fe784cfed8a66acd2864cd9428b932c2a812ab184a2c7f071", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rustreg v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:11:24 [INFO] [stdout] | [INFO] [stdout] 11 | fn make_noise() -> Box f64> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> f64` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:16:15 [INFO] [stdout] | [INFO] [stdout] 16 | fn mse(h: Box f64>, data: &Vec<(f64, f64)>) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.55s [INFO] running `Command { std: "docker" "inspect" "e338ea91c58e4d3fe784cfed8a66acd2864cd9428b932c2a812ab184a2c7f071", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e338ea91c58e4d3fe784cfed8a66acd2864cd9428b932c2a812ab184a2c7f071", kill_on_drop: false }` [INFO] [stdout] e338ea91c58e4d3fe784cfed8a66acd2864cd9428b932c2a812ab184a2c7f071 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c44cb19286a13432d2d9bca29060b19b1e324a2cb69d73e3093369f82dca506e [INFO] running `Command { std: "docker" "start" "-a" "c44cb19286a13432d2d9bca29060b19b1e324a2cb69d73e3093369f82dca506e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:11:24 [INFO] [stderr] | [INFO] [stderr] 11 | fn make_noise() -> Box f64> { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> f64` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:16:15 [INFO] [stderr] | [INFO] [stderr] 16 | fn mse(h: Box f64>, data: &Vec<(f64, f64)>) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `rustreg` (bin "rustreg" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.78s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rustreg-9ea575d6e283e2b7) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rustreg-263d322c33071dc9) [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test_mse ... ok [INFO] [stderr] Doc-tests rustreg [INFO] [stdout] test noise_properties ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s [INFO] [stdout] [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" "c44cb19286a13432d2d9bca29060b19b1e324a2cb69d73e3093369f82dca506e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c44cb19286a13432d2d9bca29060b19b1e324a2cb69d73e3093369f82dca506e", kill_on_drop: false }` [INFO] [stdout] c44cb19286a13432d2d9bca29060b19b1e324a2cb69d73e3093369f82dca506e