[INFO] fetching crate relp 0.0.5...
[INFO] checking relp-0.0.5 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate relp 0.0.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate relp 0.0.5 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate relp 0.0.5
[INFO] finished tweaking crates.io crate relp 0.0.5
[INFO] tweaked toml for crates.io crate relp 0.0.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate relp 0.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--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 daggy v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", 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] 5308ba0bada6bc995dc172f8d2a227c4918c9bbfd4ba0c2bccd119e5f32e5a37
[INFO] running `Command { std: "docker" "start" "-a" "5308ba0bada6bc995dc172f8d2a227c4918c9bbfd4ba0c2bccd119e5f32e5a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5308ba0bada6bc995dc172f8d2a227c4918c9bbfd4ba0c2bccd119e5f32e5a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5308ba0bada6bc995dc172f8d2a227c4918c9bbfd4ba0c2bccd119e5f32e5a37", kill_on_drop: false }`
[INFO] [stdout] 5308ba0bada6bc995dc172f8d2a227c4918c9bbfd4ba0c2bccd119e5f32e5a37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ea93ba5c57257d72d9143f47bdcd243440cb9e9bb406085071ae7a302ece46c
[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" "9ea93ba5c57257d72d9143f47bdcd243440cb9e9bb406085071ae7a302ece46c", kill_on_drop: false }`
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking daggy v0.7.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking relp v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `tests`
[INFO] [stdout]   --> src/lib.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `tests`, create file "src/tests.rs" or "src/tests/mod.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::tests::problem_2`
[INFO] [stdout]    --> src/algorithm/two_phase/phase_one.rs:272:23
[INFO] [stdout]     |
[INFO] [stdout] 272 |     use crate::tests::problem_2::{create_matrix_data_data, matrix_data_form};
[INFO] [stdout]     |                       ^^^^^^^^^ could not find `problem_2` in `tests`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::tests::problem_2`
[INFO] [stdout]    --> src/algorithm/two_phase/tableau/mod.rs:374:23
[INFO] [stdout]     |
[INFO] [stdout] 374 |     use crate::tests::problem_2::{artificial_tableau_form, create_matrix_data_data, matrix_data_form};
[INFO] [stdout]     |                       ^^^^^^^^^ could not find `problem_2` in `tests`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::tests::problem_1`
[INFO] [stdout]    --> src/algorithm/two_phase/matrix_provider/matrix_data.rs:678:9
[INFO] [stdout]     |
[INFO] [stdout] 678 |     use crate::tests::problem_1;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^ no `problem_1` in `tests`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::tests::problem_2`
[INFO] [stdout]    --> src/algorithm/two_phase/strategy/pivot_rule.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |     use crate::tests::problem_2;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^ no `problem_2` in `tests`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::tests::problem_2`
[INFO] [stdout]    --> src/algorithm/two_phase/mod.rs:132:23
[INFO] [stdout]     |
[INFO] [stdout] 132 |     use crate::tests::problem_2::{create_matrix_data_data, matrix_data_form, tableau_form};
[INFO] [stdout]     |                       ^^^^^^^^^ could not find `problem_2` in `tests`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/algorithm/two_phase/tableau/inverse_maintenance/carry/lower_upper/permutation/identity.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(n: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `invert_upper_right_row`
[INFO] [stdout]    --> src/algorithm/two_phase/tableau/inverse_maintenance/carry/lower_upper/mod.rs:273:8
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn invert_upper_right_row(&self, mut rhs: BTreeMap<usize, F>, target_row: usize) -> Option<F> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_basis`
[INFO] [stdout]    --> src/algorithm/two_phase/tableau/kind/artificial/partially.rs:220:19
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub(crate) fn new_with_basis(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_basis`
[INFO] [stdout]    --> src/algorithm/two_phase/tableau/kind/non_artificial.rs:121:19
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub(crate) fn new_with_basis(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete_index`
[INFO] [stdout]    --> src/algorithm/two_phase/matrix_provider/filter/generic_wrapper.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn delete_index(skip_indices_array: &mut Vec<usize>, i: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `can_apply_variable_part`
[INFO] [stdout]    --> src/data/linear_program/general_form/presolve/rule/domain_propagation.rs:316:8
[INFO] [stdout]     |
[INFO] [stdout] 316 |     fn can_apply_variable_part(&self, constraint: usize, direction: BoundDirection) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_tighten_variable_bound`
[INFO] [stdout]    --> src/data/linear_program/general_form/presolve/rule/domain_propagation.rs:387:8
[INFO] [stdout]     |
[INFO] [stdout] 387 |     fn try_tighten_variable_bound(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_variable_presolved`
[INFO] [stdout]    --> src/data/linear_program/general_form/mod.rs:716:8
[INFO] [stdout]     |
[INFO] [stdout] 716 |     fn is_variable_presolved(&self, variable: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_lower_bound`
[INFO] [stdout]     --> src/data/linear_program/general_form/mod.rs:1072:8
[INFO] [stdout]      |
[INFO] [stdout] 1072 |     fn update_lower_bound(&mut self, new: &OF) -> Option<Option<OF>> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_upper_bound`
[INFO] [stdout]     --> src/data/linear_program/general_form/mod.rs:1087:8
[INFO] [stdout]      |
[INFO] [stdout] 1087 |     fn update_upper_bound(&mut self, new: &OF) -> Option<Option<OF>> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_bound`
[INFO] [stdout]     --> src/data/linear_program/general_form/mod.rs:1106:8
[INFO] [stdout]      |
[INFO] [stdout] 1106 |     fn update_bound<P: Fn(&OF, &OF) -> bool>(
[INFO] [stdout]      |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `trace`
[INFO] [stdout]    --> src/io/error.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn trace(&self) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `vecdeque_binary_search` has been stable since 1.54.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(vecdeque_binary_search)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algorithm::two_phase::matrix_provider::MatrixProvider`
[INFO] [stdout]    --> src/algorithm/two_phase/matrix_provider/matrix_data.rs:672:9
[INFO] [stdout]     |
[INFO] [stdout] 672 |     use crate::algorithm::two_phase::matrix_provider::MatrixProvider;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0583.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `relp` due to 7 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9ea93ba5c57257d72d9143f47bdcd243440cb9e9bb406085071ae7a302ece46c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea93ba5c57257d72d9143f47bdcd243440cb9e9bb406085071ae7a302ece46c", kill_on_drop: false }`
[INFO] [stdout] 9ea93ba5c57257d72d9143f47bdcd243440cb9e9bb406085071ae7a302ece46c