[INFO] fetching crate netoptim-rs 0.1.1...
[INFO] testing netoptim-rs-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate netoptim-rs 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate netoptim-rs 0.1.1
[INFO] finished tweaking crates.io crate netoptim-rs 0.1.1
[INFO] tweaked toml for crates.io crate netoptim-rs 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate netoptim-rs 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate netoptim-rs 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.109
[INFO] [stderr]   Downloaded num-bigint v0.4.5
[INFO] [stderr]   Downloaded serde v1.0.180
[INFO] [stderr]   Downloaded syn v2.0.28
[INFO] [stderr]   Downloaded serde_derive v1.0.180
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbd68eb6d0fe2d68d4b20313f77c4fc6518c23439110a923dca7947d972a3d31
[INFO] running `Command { std: "docker" "start" "-a" "dbd68eb6d0fe2d68d4b20313f77c4fc6518c23439110a923dca7947d972a3d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbd68eb6d0fe2d68d4b20313f77c4fc6518c23439110a923dca7947d972a3d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd68eb6d0fe2d68d4b20313f77c4fc6518c23439110a923dca7947d972a3d31", kill_on_drop: false }`
[INFO] [stdout] dbd68eb6d0fe2d68d4b20313f77c4fc6518c23439110a923dca7947d972a3d31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7b901c26adf7f97e0042a94eafe4c3e2e2a6853ab5cf19a461b824458fdf664
[INFO] running `Command { std: "docker" "start" "-a" "e7b901c26adf7f97e0042a94eafe4c3e2e2a6853ab5cf19a461b824458fdf664", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]    Compiling serde_json v1.0.109
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.180
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.5
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling netoptim-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parametric.rs:110:16
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn run(&mut self, dist: &mut [R], ratio: &mut R) -> Vec<EdgeReference<R>> {
[INFO] [stdout]     |                ^^^^^^^^^ the lifetime is elided here            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn run(&mut self, dist: &mut [R], ratio: &mut R) -> Vec<EdgeReference<'_, R>> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.61s
[INFO] running `Command { std: "docker" "inspect" "e7b901c26adf7f97e0042a94eafe4c3e2e2a6853ab5cf19a461b824458fdf664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b901c26adf7f97e0042a94eafe4c3e2e2a6853ab5cf19a461b824458fdf664", kill_on_drop: false }`
[INFO] [stdout] e7b901c26adf7f97e0042a94eafe4c3e2e2a6853ab5cf19a461b824458fdf664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bb8a0c05827b711be9823986614cfd13a8094c8608dff0a5636896ca208238c
[INFO] running `Command { std: "docker" "start" "-a" "3bb8a0c05827b711be9823986614cfd13a8094c8608dff0a5636896ca208238c", kill_on_drop: false }`
[INFO] [stderr]    Compiling netoptim-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parametric.rs:110:16
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn run(&mut self, dist: &mut [R], ratio: &mut R) -> Vec<EdgeReference<R>> {
[INFO] [stdout]     |                ^^^^^^^^^ the lifetime is elided here            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn run(&mut self, dist: &mut [R], ratio: &mut R) -> Vec<EdgeReference<'_, R>> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parametric.rs:110:16
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn run(&mut self, dist: &mut [R], ratio: &mut R) -> Vec<EdgeReference<R>> {
[INFO] [stdout]     |                ^^^^^^^^^ the lifetime is elided here            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn run(&mut self, dist: &mut [R], ratio: &mut R) -> Vec<EdgeReference<'_, R>> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "3bb8a0c05827b711be9823986614cfd13a8094c8608dff0a5636896ca208238c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bb8a0c05827b711be9823986614cfd13a8094c8608dff0a5636896ca208238c", kill_on_drop: false }`
[INFO] [stdout] 3bb8a0c05827b711be9823986614cfd13a8094c8608dff0a5636896ca208238c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d86530cae5351b327748fd01c8b6efb647ee93334066d5ca4096419dc9e304a
[INFO] running `Command { std: "docker" "start" "-a" "4d86530cae5351b327748fd01c8b6efb647ee93334066d5ca4096419dc9e304a", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/parametric.rs:110:16
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn run(&mut self, dist: &mut [R], ratio: &mut R) -> Vec<EdgeReference<R>> {
[INFO] [stderr]     |                ^^^^^^^^^ the lifetime is elided here            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn run(&mut self, dist: &mut [R], ratio: &mut R) -> Vec<EdgeReference<'_, R>> {
[INFO] [stderr]     |                                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `netoptim-rs` (lib) generated 1 warning (run `cargo fix --lib -p netoptim-rs` to apply 1 suggestion)
[INFO] [stderr] warning: `netoptim-rs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/netoptim_rs-77764c292c4a64e3)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test neg_cycle::tests::test_neg_cycle2 ... ok
[INFO] [stdout] test neg_cycle::tests::it_works ... ok
[INFO] [stdout] test neg_cycle::tests::test_neg_cycle1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/netoptim_rs-9c2799c3f5255149)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests netoptim_rs
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - bellman_ford (line 33) ... ok
[INFO] [stdout] test src/neg_cycle.rs - neg_cycle::NegCycleFinder<'a,V,D>::howard (line 134) ... ok
[INFO] [stdout] test src/lib.rs - find_negative_cycle (line 129) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d86530cae5351b327748fd01c8b6efb647ee93334066d5ca4096419dc9e304a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d86530cae5351b327748fd01c8b6efb647ee93334066d5ca4096419dc9e304a", kill_on_drop: false }`
[INFO] [stdout] 4d86530cae5351b327748fd01c8b6efb647ee93334066d5ca4096419dc9e304a
