[INFO] cloning repository https://github.com/Hiragi14/SASampler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hiragi14/SASampler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHiragi14%2FSASampler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHiragi14%2FSASampler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80761eda63179bdec9015243b7acdd7bbd5dca10
[INFO] testing Hiragi14/SASampler against try#28f95933dc0727396c07b48d0a8cb5211b7fb472 for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHiragi14%2FSASampler" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Hiragi14/SASampler
[INFO] finished tweaking git repo https://github.com/Hiragi14/SASampler
[INFO] tweaked toml for git repo https://github.com/Hiragi14/SASampler written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Hiragi14/SASampler on toolchain 28f95933dc0727396c07b48d0a8cb5211b7fb472
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Hiragi14/SASampler 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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c142a4e73ac42d92e06532d58d69f2ff3e5e79a28ec2f1d2417cd1dc9b6dbda5
[INFO] running `Command { std: "docker" "start" "-a" "c142a4e73ac42d92e06532d58d69f2ff3e5e79a28ec2f1d2417cd1dc9b6dbda5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c142a4e73ac42d92e06532d58d69f2ff3e5e79a28ec2f1d2417cd1dc9b6dbda5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c142a4e73ac42d92e06532d58d69f2ff3e5e79a28ec2f1d2417cd1dc9b6dbda5", kill_on_drop: false }`
[INFO] [stdout] c142a4e73ac42d92e06532d58d69f2ff3e5e79a28ec2f1d2417cd1dc9b6dbda5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5098932f5ac3ac731a0156e4e1a051de9b43378f521f8bbff0fbeff4b7652412
[INFO] running `Command { std: "docker" "start" "-a" "5098932f5ac3ac731a0156e4e1a051de9b43378f521f8bbff0fbeff4b7652412", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.5
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling unindent v0.2.4
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling pyo3-build-config v0.27.2
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.27.2
[INFO] [stderr]    Compiling pyo3-ffi v0.27.2
[INFO] [stderr]    Compiling pyo3 v0.27.2
[INFO] [stderr]    Compiling katexit v0.1.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling pyo3-macros v0.27.2
[INFO] [stderr]    Compiling SASampler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `to_qubo` and `to_problem` are never used
[INFO] [stdout]    --> src/qubo.rs:182:12
[INFO] [stdout]     |
[INFO] [stdout] 162 | impl IsingParams {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 182 |     pub fn to_qubo(&self) -> Result<QuboParams, String> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub fn to_problem(&self) -> Result<crate::ising::IsingProblem, String> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_qubo` and `to_problem` are never used
[INFO] [stdout]    --> src/qubo.rs:182:12
[INFO] [stdout]     |
[INFO] [stdout] 162 | impl IsingParams {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 182 |     pub fn to_qubo(&self) -> Result<QuboParams, String> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub fn to_problem(&self) -> Result<crate::ising::IsingProblem, String> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.56s
[INFO] running `Command { std: "docker" "inspect" "5098932f5ac3ac731a0156e4e1a051de9b43378f521f8bbff0fbeff4b7652412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5098932f5ac3ac731a0156e4e1a051de9b43378f521f8bbff0fbeff4b7652412", kill_on_drop: false }`
[INFO] [stdout] 5098932f5ac3ac731a0156e4e1a051de9b43378f521f8bbff0fbeff4b7652412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e11b9434337f0a58b274b0e37ddcb15286c6167cc14330e83f1f53521bfb558
[INFO] running `Command { std: "docker" "start" "-a" "3e11b9434337f0a58b274b0e37ddcb15286c6167cc14330e83f1f53521bfb558", kill_on_drop: false }`
[INFO] [stderr]    Compiling SASampler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `to_qubo` and `to_problem` are never used
[INFO] [stdout]    --> src/qubo.rs:182:12
[INFO] [stdout]     |
[INFO] [stdout] 162 | impl IsingParams {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 182 |     pub fn to_qubo(&self) -> Result<QuboParams, String> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub fn to_problem(&self) -> Result<crate::ising::IsingProblem, String> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_qubo` and `to_problem` are never used
[INFO] [stdout]    --> src/qubo.rs:182:12
[INFO] [stdout]     |
[INFO] [stdout] 162 | impl IsingParams {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 182 |     pub fn to_qubo(&self) -> Result<QuboParams, String> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub fn to_problem(&self) -> Result<crate::ising::IsingProblem, String> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_qubo` and `to_problem` are never used
[INFO] [stdout]    --> src/qubo.rs:182:12
[INFO] [stdout]     |
[INFO] [stdout] 162 | impl IsingParams {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 182 |     pub fn to_qubo(&self) -> Result<QuboParams, String> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub fn to_problem(&self) -> Result<crate::ising::IsingProblem, String> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "3e11b9434337f0a58b274b0e37ddcb15286c6167cc14330e83f1f53521bfb558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e11b9434337f0a58b274b0e37ddcb15286c6167cc14330e83f1f53521bfb558", kill_on_drop: false }`
[INFO] [stdout] 3e11b9434337f0a58b274b0e37ddcb15286c6167cc14330e83f1f53521bfb558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9bc139572b70064cf82335c13f0d80da48ced7522defb9f9c5f13bd22feea329
[INFO] running `Command { std: "docker" "start" "-a" "9bc139572b70064cf82335c13f0d80da48ced7522defb9f9c5f13bd22feea329", kill_on_drop: false }`
[INFO] [stderr] warning: methods `to_qubo` and `to_problem` are never used
[INFO] [stdout] 
[INFO] [stderr]    --> src/qubo.rs:182:12
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 162 | impl IsingParams {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     | ---------------- methods in this implementation
[INFO] [stdout] 
[INFO] [stderr] ...
[INFO] [stdout] 
[INFO] [stderr] 182 |     pub fn to_qubo(&self) -> Result<QuboParams, String> {
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stderr] ...
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 250 |     pub fn to_problem(&self) -> Result<crate::ising::IsingProblem, String> {
[INFO] [stdout] 
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `SASampler` (lib) generated 1 warning
[INFO] [stderr] warning: `SASampler` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `SASampler` (bin "SASampler" test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sasampler-5dcdd3c964e4d812)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/SASampler-19027997a5497867)
[INFO] [stderr]    Doc-tests sasampler
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/ising.rs - ising::IsingProblem::couplings (line 60) ... FAILED
[INFO] [stdout] test src/sa.rs - sa::SAParams::geometric_beta_schedule (line 41) ... FAILED
[INFO] [stdout] test src/ising.rs - ising::IsingProblem::from_edges (line 103) ... FAILED
[INFO] [stdout] test src/sa.rs - sa::SAParams (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/ising.rs - ising::IsingProblem::couplings (line 60) stdout ----
[INFO] [stdout] error: expected one of `!` or `::`, found `[`
[INFO] [stdout]   --> src/ising.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 61 | neighbors[1][1] = 2
[INFO] [stdout]    |          ^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/sa.rs - sa::SAParams::geometric_beta_schedule (line 41) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `beta_end` in this scope
[INFO] [stdout]   --> src/sa.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 | let ratio = (beta_end / beta_start).powf(1.0 / (num_betas as f64 - 1.0));
[INFO] [stdout]    |              ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `beta_start` in this scope
[INFO] [stdout]   --> src/sa.rs:42:25
[INFO] [stdout]    |
[INFO] [stdout] 42 | let ratio = (beta_end / beta_start).powf(1.0 / (num_betas as f64 - 1.0));
[INFO] [stdout]    |                         ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `num_betas` in this scope
[INFO] [stdout]   --> src/sa.rs:42:49
[INFO] [stdout]    |
[INFO] [stdout] 42 | let ratio = (beta_end / beta_start).powf(1.0 / (num_betas as f64 - 1.0));
[INFO] [stdout]    |                                                 ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ising.rs - ising::IsingProblem::from_edges (line 103) stdout ----
[INFO] [stdout] error[E0433]: cannot find type `IsingProblem` in this scope
[INFO] [stdout]    --> src/ising.rs:109:15
[INFO] [stdout]     |
[INFO] [stdout] 109 | let problem = IsingProblem::from_edges(h, &starts, &ends, &values)?;
[INFO] [stdout]     |               ^^^^^^^^^^^^ use of undeclared type `IsingProblem`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/sa.rs - sa::SAParams (line 8) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `p` in this scope
[INFO] [stdout]  --> src/sa.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | p = exp(-beta * ΔE)
[INFO] [stdout]   | ^
[INFO] [stdout]   |
[INFO] [stdout] help: you might have meant to introduce a new binding
[INFO] [stdout]   |
[INFO] [stdout] 9 | let p = exp(-beta * ΔE)
[INFO] [stdout]   | +++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `beta` in this scope
[INFO] [stdout]  --> src/sa.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | p = exp(-beta * ΔE)
[INFO] [stdout]   |          ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `ΔE` in this scope
[INFO] [stdout]  --> src/sa.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | p = exp(-beta * ΔE)
[INFO] [stdout]   |                 ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `exp` in this scope
[INFO] [stdout]  --> src/sa.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | p = exp(-beta * ΔE)
[INFO] [stdout]   |     ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/ising.rs - ising::IsingProblem::couplings (line 60)
[INFO] [stdout]     src/ising.rs - ising::IsingProblem::from_edges (line 103)
[INFO] [stdout]     src/sa.rs - sa::SAParams (line 8)
[INFO] [stdout]     src/sa.rs - sa::SAParams::geometric_beta_schedule (line 41)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.31s; merged doctests compilation took 0.10s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "9bc139572b70064cf82335c13f0d80da48ced7522defb9f9c5f13bd22feea329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bc139572b70064cf82335c13f0d80da48ced7522defb9f9c5f13bd22feea329", kill_on_drop: false }`
[INFO] [stdout] 9bc139572b70064cf82335c13f0d80da48ced7522defb9f9c5f13bd22feea329
