[INFO] updating cached repository daemontus/bn-scc-experiments
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/daemontus/bn-scc-experiments
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/daemontus/bn-scc-experiments" "work/ex/beta-1.38-1/sources/1.37.0/gh/daemontus/bn-scc-experiments"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/daemontus/bn-scc-experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/daemontus/bn-scc-experiments" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/daemontus/bn-scc-experiments"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/daemontus/bn-scc-experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 84446ab02137cf65a6fb3d1728c3b194cce8d08d
[INFO] sha for GitHub repo daemontus/bn-scc-experiments: 84446ab02137cf65a6fb3d1728c3b194cce8d08d
[INFO] validating manifest of daemontus/bn-scc-experiments on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of daemontus/bn-scc-experiments on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing daemontus/bn-scc-experiments
[INFO] finished frobbing daemontus/bn-scc-experiments
[INFO] frobbed toml for daemontus/bn-scc-experiments written to work/ex/beta-1.38-1/sources/1.37.0/gh/daemontus/bn-scc-experiments/Cargo.toml
[INFO] started frobbing daemontus/bn-scc-experiments
[INFO] finished frobbing daemontus/bn-scc-experiments
[INFO] frobbed toml for daemontus/bn-scc-experiments written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/daemontus/bn-scc-experiments/Cargo.toml
[INFO] crate daemontus/bn-scc-experiments already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "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" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing daemontus/bn-scc-experiments against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/daemontus/bn-scc-experiments:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e987874bb5e298b42da30b80d5d3e5f2390728338080c6d591d9de20d8b3cafa
[INFO] running `"docker" "start" "-a" "e987874bb5e298b42da30b80d5d3e5f2390728338080c6d591d9de20d8b3cafa"`
[INFO] [stderr]    Compiling crossbeam v0.7.1
[INFO] [stderr]    Compiling biodivine v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/u32/parallel.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_root`
[INFO] [stderr]    --> src/u32/parallel.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 |     fn is_root(&self, key: &StateId) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `biodivine::u32::parallel::parallel_scc`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use biodivine::u32::parallel::parallel_scc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hspc_model`
[INFO] [stderr]  --> src/main.rs:3:30
[INFO] [stderr]   |
[INFO] [stderr] 3 | use biodivine::u32::models::{hspc_model, t2dm_model};
[INFO] [stderr]   |                              ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `scc`
[INFO] [stderr]  --> src/main.rs:4:43
[INFO] [stderr]   |
[INFO] [stderr] 4 | use biodivine::u32::sequential::{scc_alt, scc};
[INFO] [stderr]   |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let args: Vec<String> = std::env::args().collect();
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.95s
[INFO] running `"docker" "inspect" "e987874bb5e298b42da30b80d5d3e5f2390728338080c6d591d9de20d8b3cafa"`
[INFO] running `"docker" "rm" "-f" "e987874bb5e298b42da30b80d5d3e5f2390728338080c6d591d9de20d8b3cafa"`
[INFO] [stdout] e987874bb5e298b42da30b80d5d3e5f2390728338080c6d591d9de20d8b3cafa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/daemontus/bn-scc-experiments:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ad6cc0508ca71165a131d2b2f4d0cd3b1294a103f56ed09dae12a110e6f09a35
[INFO] running `"docker" "start" "-a" "ad6cc0508ca71165a131d2b2f4d0cd3b1294a103f56ed09dae12a110e6f09a35"`
[INFO] [stderr]    Compiling biodivine v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `biodivine::u32::parallel::parallel_scc`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use biodivine::u32::parallel::parallel_scc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hspc_model`
[INFO] [stderr]  --> src/main.rs:3:30
[INFO] [stderr]   |
[INFO] [stderr] 3 | use biodivine::u32::models::{hspc_model, t2dm_model};
[INFO] [stderr]   |                              ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `scc`
[INFO] [stderr]  --> src/main.rs:4:43
[INFO] [stderr]   |
[INFO] [stderr] 4 | use biodivine::u32::sequential::{scc_alt, scc};
[INFO] [stderr]   |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let args: Vec<String> = std::env::args().collect();
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/u32/parallel.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_root`
[INFO] [stderr]    --> src/u32/parallel.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 |     fn is_root(&self, key: &StateId) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `"docker" "inspect" "ad6cc0508ca71165a131d2b2f4d0cd3b1294a103f56ed09dae12a110e6f09a35"`
[INFO] running `"docker" "rm" "-f" "ad6cc0508ca71165a131d2b2f4d0cd3b1294a103f56ed09dae12a110e6f09a35"`
[INFO] [stdout] ad6cc0508ca71165a131d2b2f4d0cd3b1294a103f56ed09dae12a110e6f09a35
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/daemontus/bn-scc-experiments:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 204a22c3c8e8e4342a01a643fd92108760e3fe3f1cec36ef92105c1142bf5fc3
[INFO] running `"docker" "start" "-a" "204a22c3c8e8e4342a01a643fd92108760e3fe3f1cec36ef92105c1142bf5fc3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/biodivine-55796b82dc90338e
[INFO] [stderr]      Running /opt/crater/target/debug/deps/biodivine-147a672d8945f32a
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests biodivine
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "204a22c3c8e8e4342a01a643fd92108760e3fe3f1cec36ef92105c1142bf5fc3"`
[INFO] running `"docker" "rm" "-f" "204a22c3c8e8e4342a01a643fd92108760e3fe3f1cec36ef92105c1142bf5fc3"`
[INFO] [stdout] 204a22c3c8e8e4342a01a643fd92108760e3fe3f1cec36ef92105c1142bf5fc3