[INFO] fetching crate random-world 0.3.0...
[INFO] checking random-world-0.3.0 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate random-world 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate random-world 0.3.0 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate random-world 0.3.0
[INFO] finished tweaking crates.io crate random-world 0.3.0
[INFO] tweaked toml for crates.io crate random-world 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded statrs v0.9.0
[INFO] [stderr]   Downloaded quadrature v0.1.2
[INFO] [stderr]   Downloaded rusty-machine v0.5.4
[INFO] [stderr]   Downloaded lazysort v0.2.1
[INFO] [stderr]   Downloaded rulinalg v0.3.7
[INFO] [stderr]   Downloaded pcg_rand v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 992684466cfe4189f26d91b2fbfa5fd718384bd41dd0651fa557e0dd034b244c
[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" "992684466cfe4189f26d91b2fbfa5fd718384bd41dd0651fa557e0dd034b244c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "992684466cfe4189f26d91b2fbfa5fd718384bd41dd0651fa557e0dd034b244c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "992684466cfe4189f26d91b2fbfa5fd718384bd41dd0651fa557e0dd034b244c", kill_on_drop: false }`
[INFO] [stdout] 992684466cfe4189f26d91b2fbfa5fd718384bd41dd0651fa557e0dd034b244c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a87f17a5907450acb9200607b0de55bababd91c62abf67e750bda9d33740e39a
[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" "a87f17a5907450acb9200607b0de55bababd91c62abf67e750bda9d33740e39a", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ndarray v0.10.14
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking quadrature v0.1.2
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking lazysort v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking statrs v0.9.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.3.7
[INFO] [stderr]    Compiling extprim v1.7.1
[INFO] [stderr]     Checking rusty-machine v0.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking docopt v0.8.3
[INFO] [stderr]     Checking pcg_rand v0.7.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking random-world v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:13:75
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn load_data(fname: &str) -> Result<(Array2<f64>, Array1<usize>), Box<Error>> {
[INFO] [stdout]    |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[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/utils.rs:61:41
[INFO] [stdout]    |
[INFO] [stdout] 61 |         append: bool) -> Result<(), Box<Error>> where T: Display {
[INFO] [stdout]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:88:61
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn load_pvalues(fname: &str) -> Result<Array2<f64>, Box<Error>> {
[INFO] [stdout]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/exchangeability/martingales.rs:24:26
[INFO] [stdout]    |
[INFO] [stdout] 24 |     update_function: Box<Fn(f64, &Option<Vec<f64>>) -> f64>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, &Option<Vec<f64>>) -> f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/exchangeability/martingales.rs:140:47
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn from_function(update_function: Box<Fn(f64, &Option<Vec<f64>>) -> f64>,
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, &Option<Vec<f64>>) -> f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:13:75
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn load_data(fname: &str) -> Result<(Array2<f64>, Array1<usize>), Box<Error>> {
[INFO] [stdout]    |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[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/utils.rs:61:41
[INFO] [stdout]    |
[INFO] [stdout] 61 |         append: bool) -> Result<(), Box<Error>> where T: Display {
[INFO] [stdout]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:88:61
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn load_pvalues(fname: &str) -> Result<Array2<f64>, Box<Error>> {
[INFO] [stdout]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/exchangeability/martingales.rs:24:26
[INFO] [stdout]    |
[INFO] [stdout] 24 |     update_function: Box<Fn(f64, &Option<Vec<f64>>) -> f64>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, &Option<Vec<f64>>) -> f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/exchangeability/martingales.rs:140:47
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn from_function(update_function: Box<Fn(f64, &Option<Vec<f64>>) -> f64>,
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, &Option<Vec<f64>>) -> f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/icp-predict.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/martingales.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/martingales.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/icp-predict.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seed`
[INFO] [stdout]   --> src/bin/icp-predict.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let seed = match args.flag_seed {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_seed`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flag_kernel`
[INFO] [stdout]   --> src/bin/icp-predict.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     flag_kernel: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flag_bandwidth`
[INFO] [stdout]   --> src/bin/icp-predict.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     flag_bandwidth: Option<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 2 arguments were supplied
[INFO] [stdout]   --> benches/cp.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut cp = CP::new(ncm, Some(0.1));
[INFO] [stdout]    |                  ^^^^^^^ ---  --------- supplied 2 arguments
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  expected 3 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `random-world`.
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 2 arguments were supplied
[INFO] [stdout]   --> benches/cp.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut cp = CP::new(ncm, Some(0.1));
[INFO] [stdout]    |                  ^^^^^^^ ---  --------- supplied 2 arguments
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  expected 3 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flag_seed`
[INFO] [stdout]   --> src/bin/martingales.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     flag_seed: Option<u64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/cp-predict.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seed`
[INFO] [stdout]   --> src/bin/icp-predict.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let seed = match args.flag_seed {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_seed`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/cp-predict.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flag_kernel`
[INFO] [stdout]   --> src/bin/icp-predict.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     flag_kernel: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flag_bandwidth`
[INFO] [stdout]   --> src/bin/icp-predict.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     flag_bandwidth: Option<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flag_seed`
[INFO] [stdout]   --> src/bin/martingales.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     flag_seed: Option<u64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flag_kernel`
[INFO] [stdout]   --> src/bin/cp-predict.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     flag_kernel: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flag_bandwidth`
[INFO] [stdout]   --> src/bin/cp-predict.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     flag_bandwidth: Option<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flag_kernel`
[INFO] [stdout]   --> src/bin/cp-predict.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     flag_kernel: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flag_bandwidth`
[INFO] [stdout]   --> src/bin/cp-predict.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     flag_bandwidth: Option<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a87f17a5907450acb9200607b0de55bababd91c62abf67e750bda9d33740e39a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a87f17a5907450acb9200607b0de55bababd91c62abf67e750bda9d33740e39a", kill_on_drop: false }`
[INFO] [stdout] a87f17a5907450acb9200607b0de55bababd91c62abf67e750bda9d33740e39a
