[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] checking uberblah/rust-simple-regression-example against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuberblah%2Frust-simple-regression-example" "/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/uberblah/rust-simple-regression-example on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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-7/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b20fa43563708e89842d9a58888efe0b09568c476bc48863fac14feb53df4e8
[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" "8b20fa43563708e89842d9a58888efe0b09568c476bc48863fac14feb53df4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b20fa43563708e89842d9a58888efe0b09568c476bc48863fac14feb53df4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b20fa43563708e89842d9a58888efe0b09568c476bc48863fac14feb53df4e8", kill_on_drop: false }`
[INFO] [stdout] 8b20fa43563708e89842d9a58888efe0b09568c476bc48863fac14feb53df4e8
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f467bc029749edd0838158ffee4fdc92a535718ed6cb6d9aff5d8cc1be0dd9d
[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" "2f467bc029749edd0838158ffee4fdc92a535718ed6cb6d9aff5d8cc1be0dd9d", kill_on_drop: false }`
[INFO] [stderr]     Checking 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<FnMut() -> f64> {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> f64`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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<Fn(f64) -> f64>, data: &Vec<(f64, f64)>) -> f64 {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stdout] 
[INFO] [stdout] 
[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<FnMut() -> f64> {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> f64`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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<Fn(f64) -> f64>, data: &Vec<(f64, f64)>) -> f64 {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "2f467bc029749edd0838158ffee4fdc92a535718ed6cb6d9aff5d8cc1be0dd9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f467bc029749edd0838158ffee4fdc92a535718ed6cb6d9aff5d8cc1be0dd9d", kill_on_drop: false }`
[INFO] [stdout] 2f467bc029749edd0838158ffee4fdc92a535718ed6cb6d9aff5d8cc1be0dd9d