[INFO] cloning repository https://github.com/ahouts/math166-assignment1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahouts/math166-assignment1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahouts%2Fmath166-assignment1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahouts%2Fmath166-assignment1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e83adcbbbd1826d4baf2281479c4f06269b41d2
[INFO] checking ahouts/math166-assignment1 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahouts%2Fmath166-assignment1" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ahouts/math166-assignment1 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ahouts/math166-assignment1
[INFO] finished tweaking git repo https://github.com/ahouts/math166-assignment1
[INFO] tweaked toml for git repo https://github.com/ahouts/math166-assignment1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ahouts/math166-assignment1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63c1eb3be79e172b85f524e121b97625654b8970079bb1aad526b6a60333253f
[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" "63c1eb3be79e172b85f524e121b97625654b8970079bb1aad526b6a60333253f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63c1eb3be79e172b85f524e121b97625654b8970079bb1aad526b6a60333253f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c1eb3be79e172b85f524e121b97625654b8970079bb1aad526b6a60333253f", kill_on_drop: false }`
[INFO] [stdout] 63c1eb3be79e172b85f524e121b97625654b8970079bb1aad526b6a60333253f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ac45c900a315deeac10bfc5e9a76c7896c207477701aa2a0b4abb54395490d04
[INFO] running `Command { std: "docker" "start" "-a" "ac45c900a315deeac10bfc5e9a76c7896c207477701aa2a0b4abb54395490d04", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking assignment1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/continuous.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     f: Box<Fn(f64) -> f64 + Sync>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync`
[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/continuous.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     df: Box<Fn(f64) -> f64 + Sync>,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/continuous.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(f: Box<Fn(f64) -> f64 + Sync>, df: Box<Fn(f64) -> f64 + Sync>) -> Self {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/continuous.rs:34:55
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(f: Box<Fn(f64) -> f64 + Sync>, df: Box<Fn(f64) -> f64 + Sync>) -> Self {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/continuous.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     f: Box<Fn(f64) -> f64 + Sync>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync`
[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/continuous.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     df: Box<Fn(f64) -> f64 + Sync>,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/continuous.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(f: Box<Fn(f64) -> f64 + Sync>, df: Box<Fn(f64) -> f64 + Sync>) -> Self {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/continuous.rs:34:55
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(f: Box<Fn(f64) -> f64 + Sync>, df: Box<Fn(f64) -> f64 + Sync>) -> Self {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.83s
[INFO] running `Command { std: "docker" "inspect" "ac45c900a315deeac10bfc5e9a76c7896c207477701aa2a0b4abb54395490d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac45c900a315deeac10bfc5e9a76c7896c207477701aa2a0b4abb54395490d04", kill_on_drop: false }`
[INFO] [stdout] ac45c900a315deeac10bfc5e9a76c7896c207477701aa2a0b4abb54395490d04