[INFO] updating cached repository Torrencem/dynamics-search
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Torrencem/dynamics-search
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Torrencem/dynamics-search" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Torrencem/dynamics-search"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Torrencem/dynamics-search'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Torrencem/dynamics-search" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Torrencem/dynamics-search"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Torrencem/dynamics-search'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b7511fcc5e1c20231e996e5f153aa0e0394bea5f
[INFO] sha for GitHub repo Torrencem/dynamics-search: b7511fcc5e1c20231e996e5f153aa0e0394bea5f
[INFO] validating manifest of Torrencem/dynamics-search on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Torrencem/dynamics-search on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Torrencem/dynamics-search
[INFO] finished frobbing Torrencem/dynamics-search
[INFO] frobbed toml for Torrencem/dynamics-search written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Torrencem/dynamics-search/Cargo.toml
[INFO] started frobbing Torrencem/dynamics-search
[INFO] finished frobbing Torrencem/dynamics-search
[INFO] frobbed toml for Torrencem/dynamics-search written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Torrencem/dynamics-search/Cargo.toml
[INFO] crate Torrencem/dynamics-search already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Torrencem/dynamics-search against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Torrencem/dynamics-search:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 064b330033f5753cacd04fb2fdaa5ae5a4edc10bc833f5aba52efdd604f6e230
[INFO] running `"docker" "start" "-a" "064b330033f5753cacd04fb2fdaa5ae5a4edc10bc833f5aba52efdd604f6e230"`
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking computing_project v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `BTreeMap`
[INFO] [stderr]  --> src/ds_helper.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::{HashSet, BTreeMap};
[INFO] [stderr]   |                                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `arrayvec::ArrayVec`
[INFO] [stderr]  --> src/ds_helper.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use arrayvec::ArrayVec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `math::*`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use math::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BTreeMap`
[INFO] [stderr]  --> src/ds_helper.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::{HashSet, BTreeMap};
[INFO] [stderr]   |                                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `arrayvec::ArrayVec`
[INFO] [stderr]  --> src/ds_helper.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use arrayvec::ArrayVec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `zero`
[INFO] [stderr]    --> src/util.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub fn zero() -> Rational {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `one`
[INFO] [stderr]    --> src/util.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn one() -> Rational {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from`
[INFO] [stderr]    --> src/util.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     pub fn from(coeffs: Vec<Rational>) -> PolynomialInQ {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `one`
[INFO] [stderr]    --> src/util.rs:355:5
[INFO] [stderr]     |
[INFO] [stderr] 355 |     pub fn one() -> QwElement {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `zero`
[INFO] [stderr]    --> src/util.rs:359:5
[INFO] [stderr]     |
[INFO] [stderr] 359 |     pub fn zero() -> QwElement {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `approx_coords`
[INFO] [stderr]    --> src/util.rs:363:5
[INFO] [stderr]     |
[INFO] [stderr] 363 |     pub fn approx_coords(&self) -> Complex32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `phase_angle`
[INFO] [stderr]    --> src/util.rs:367:5
[INFO] [stderr]     |
[INFO] [stderr] 367 |     pub fn phase_angle(&self) -> f32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PolynomialInQw`
[INFO] [stderr]    --> src/util.rs:393:1
[INFO] [stderr]     |
[INFO] [stderr] 393 | pub struct PolynomialInQw {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from`
[INFO] [stderr]    --> src/util.rs:398:5
[INFO] [stderr]     |
[INFO] [stderr] 398 |     pub fn from(coeffs: Vec<QwElement>) -> PolynomialInQw {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reductions`
[INFO] [stderr]    --> src/util.rs:402:5
[INFO] [stderr]     |
[INFO] [stderr] 402 |     pub fn reductions(&self, p: i64) -> (Option<Polynomial>, Option<Polynomial>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `possible_periods_search_qw`
[INFO] [stderr]   --> src/ds_helper.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub fn possible_periods_search_qw(f: PolynomialInQw, goal: usize) -> Option<FNVHashSet> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `euclidean_division` has been stable since 1.38.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(euclidean_division, test)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `one`
[INFO] [stderr]    --> src/util.rs:355:5
[INFO] [stderr]     |
[INFO] [stderr] 355 |     pub fn one() -> QwElement {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `zero`
[INFO] [stderr]    --> src/util.rs:359:5
[INFO] [stderr]     |
[INFO] [stderr] 359 |     pub fn zero() -> QwElement {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `approx_coords`
[INFO] [stderr]    --> src/util.rs:363:5
[INFO] [stderr]     |
[INFO] [stderr] 363 |     pub fn approx_coords(&self) -> Complex32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `phase_angle`
[INFO] [stderr]    --> src/util.rs:367:5
[INFO] [stderr]     |
[INFO] [stderr] 367 |     pub fn phase_angle(&self) -> f32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PolynomialInQw`
[INFO] [stderr]    --> src/util.rs:393:1
[INFO] [stderr]     |
[INFO] [stderr] 393 | pub struct PolynomialInQw {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from`
[INFO] [stderr]    --> src/util.rs:398:5
[INFO] [stderr]     |
[INFO] [stderr] 398 |     pub fn from(coeffs: Vec<QwElement>) -> PolynomialInQw {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reductions`
[INFO] [stderr]    --> src/util.rs:402:5
[INFO] [stderr]     |
[INFO] [stderr] 402 |     pub fn reductions(&self, p: i64) -> (Option<Polynomial>, Option<Polynomial>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `possible_periods_search_qw`
[INFO] [stderr]   --> src/ds_helper.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub fn possible_periods_search_qw(f: PolynomialInQw, goal: usize) -> Option<FNVHashSet> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `euclidean_division` has been stable since 1.38.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(euclidean_division, test)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.52s
[INFO] running `"docker" "inspect" "064b330033f5753cacd04fb2fdaa5ae5a4edc10bc833f5aba52efdd604f6e230"`
[INFO] running `"docker" "rm" "-f" "064b330033f5753cacd04fb2fdaa5ae5a4edc10bc833f5aba52efdd604f6e230"`
[INFO] [stdout] 064b330033f5753cacd04fb2fdaa5ae5a4edc10bc833f5aba52efdd604f6e230