[INFO] updating cached repository https://github.com/ahouts/math166-assignment1
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8e83adcbbbd1826d4baf2281479c4f06269b41d2
[INFO] testing ahouts/math166-assignment1 against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahouts%2Fmath166-assignment1" "work/builds/worker-9/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ahouts/math166-assignment1 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 work/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ahouts/math166-assignment1 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 112aecb1051f78c6ad68fd279d1a2012d806211aec02b0706f5fd78f0a9b6fa0
[INFO] running `"docker" "start" "-a" "112aecb1051f78c6ad68fd279d1a2012d806211aec02b0706f5fd78f0a9b6fa0"`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling assignment1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/continuous.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     f: Box<Fn(f64) -> f64 + Sync>,
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/continuous.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |     df: Box<Fn(f64) -> f64 + Sync>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/continuous.rs:34:23
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn new(f: Box<Fn(f64) -> f64 + Sync>, df: Box<Fn(f64) -> f64 + Sync>) -> Self {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/continuous.rs:34:55
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn new(f: Box<Fn(f64) -> f64 + Sync>, df: Box<Fn(f64) -> f64 + Sync>) -> Self {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:34:21
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 Err(e) => {
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.40s
[INFO] running `"docker" "inspect" "112aecb1051f78c6ad68fd279d1a2012d806211aec02b0706f5fd78f0a9b6fa0"`
[INFO] running `"docker" "rm" "-f" "112aecb1051f78c6ad68fd279d1a2012d806211aec02b0706f5fd78f0a9b6fa0"`
[INFO] [stdout] 112aecb1051f78c6ad68fd279d1a2012d806211aec02b0706f5fd78f0a9b6fa0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c0ccce2e4dbf36af044a092fdbcbf8d25ef42dea08c23ed66ba8b3f46c257697
[INFO] running `"docker" "start" "-a" "c0ccce2e4dbf36af044a092fdbcbf8d25ef42dea08c23ed66ba8b3f46c257697"`
[INFO] [stderr]    Compiling assignment1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/continuous.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     f: Box<Fn(f64) -> f64 + Sync>,
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/continuous.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |     df: Box<Fn(f64) -> f64 + Sync>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/continuous.rs:34:23
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn new(f: Box<Fn(f64) -> f64 + Sync>, df: Box<Fn(f64) -> f64 + Sync>) -> Self {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/continuous.rs:34:55
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn new(f: Box<Fn(f64) -> f64 + Sync>, df: Box<Fn(f64) -> f64 + Sync>) -> Self {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:34:21
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 Err(e) => {
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "c0ccce2e4dbf36af044a092fdbcbf8d25ef42dea08c23ed66ba8b3f46c257697"`
[INFO] running `"docker" "rm" "-f" "c0ccce2e4dbf36af044a092fdbcbf8d25ef42dea08c23ed66ba8b3f46c257697"`
[INFO] [stdout] c0ccce2e4dbf36af044a092fdbcbf8d25ef42dea08c23ed66ba8b3f46c257697
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] d8c7db292d51259d9193f3dc2887e496949a48bd50a82188006e0eece6080bda
[INFO] running `"docker" "start" "-a" "d8c7db292d51259d9193f3dc2887e496949a48bd50a82188006e0eece6080bda"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/assignment1-ffa21424dc8e979e
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d8c7db292d51259d9193f3dc2887e496949a48bd50a82188006e0eece6080bda"`
[INFO] running `"docker" "rm" "-f" "d8c7db292d51259d9193f3dc2887e496949a48bd50a82188006e0eece6080bda"`
[INFO] [stdout] d8c7db292d51259d9193f3dc2887e496949a48bd50a82188006e0eece6080bda