[INFO] updating cached repository dylanede/constrained
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dylanede/constrained
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dylanede/constrained" "work/ex/beta-1.38-1/sources/1.37.0/gh/dylanede/constrained"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dylanede/constrained'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dylanede/constrained" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dylanede/constrained"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dylanede/constrained'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d3dfd78ebf46b8a5e03e8f1ef803506c07a2b15d
[INFO] sha for GitHub repo dylanede/constrained: d3dfd78ebf46b8a5e03e8f1ef803506c07a2b15d
[INFO] validating manifest of dylanede/constrained 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 dylanede/constrained 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 dylanede/constrained
[INFO] finished frobbing dylanede/constrained
[INFO] frobbed toml for dylanede/constrained written to work/ex/beta-1.38-1/sources/1.37.0/gh/dylanede/constrained/Cargo.toml
[INFO] started frobbing dylanede/constrained
[INFO] finished frobbing dylanede/constrained
[INFO] frobbed toml for dylanede/constrained written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dylanede/constrained/Cargo.toml
[INFO] crate dylanede/constrained 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dylanede/constrained/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing dylanede/constrained against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dylanede/constrained:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f8b595bcf634867166a3b9e9b2c09b938e7b8d57a97765d20f8e8b815284575e
[INFO] running `"docker" "start" "-a" "f8b595bcf634867166a3b9e9b2c09b938e7b8d57a97765d20f8e8b815284575e"`
[INFO] [stderr]    Compiling dense_mats v0.4.0
[INFO] [stderr]    Compiling sprs v0.3.3
[INFO] [stderr]    Compiling constrained v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/lib.rs:304:35
[INFO] [stderr]     |
[INFO] [stderr] 304 |     let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt()));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sprs::sparse::compressed::SpMatView`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use sprs::sparse::compressed::SpMatView;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `One`
[INFO] [stderr]   --> src/lib.rs:26:11
[INFO] [stderr]    |
[INFO] [stderr] 26 | use num::{One, Zero, Float};
[INFO] [stderr]    |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `lower` is never read
[INFO] [stderr]    --> src/lib.rs:380:17
[INFO] [stderr]     |
[INFO] [stderr] 380 |                 lower = zhis[iter];
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from_iter`
[INFO] [stderr]    --> src/lib.rs:128:1
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn from_iter<N: Copy, I: Iterator<Item=(usize, N)>>(itr: I, len: Option<usize>) -> CsVecOwned<N> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.95s
[INFO] running `"docker" "inspect" "f8b595bcf634867166a3b9e9b2c09b938e7b8d57a97765d20f8e8b815284575e"`
[INFO] running `"docker" "rm" "-f" "f8b595bcf634867166a3b9e9b2c09b938e7b8d57a97765d20f8e8b815284575e"`
[INFO] [stdout] f8b595bcf634867166a3b9e9b2c09b938e7b8d57a97765d20f8e8b815284575e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dylanede/constrained:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 07052f7e16cc2b05448f2c554210a163719a9ac411bb04a7d6a3613e8dadfa42
[INFO] running `"docker" "start" "-a" "07052f7e16cc2b05448f2c554210a163719a9ac411bb04a7d6a3613e8dadfa42"`
[INFO] [stderr]    Compiling constrained v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/lib.rs:304:35
[INFO] [stderr]     |
[INFO] [stderr] 304 |     let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt()));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sprs::sparse::compressed::SpMatView`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use sprs::sparse::compressed::SpMatView;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `One`
[INFO] [stderr]   --> src/lib.rs:26:11
[INFO] [stderr]    |
[INFO] [stderr] 26 | use num::{One, Zero, Float};
[INFO] [stderr]    |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `lower` is never read
[INFO] [stderr]    --> src/lib.rs:380:17
[INFO] [stderr]     |
[INFO] [stderr] 380 |                 lower = zhis[iter];
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from_iter`
[INFO] [stderr]    --> src/lib.rs:128:1
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn from_iter<N: Copy, I: Iterator<Item=(usize, N)>>(itr: I, len: Option<usize>) -> CsVecOwned<N> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `"docker" "inspect" "07052f7e16cc2b05448f2c554210a163719a9ac411bb04a7d6a3613e8dadfa42"`
[INFO] running `"docker" "rm" "-f" "07052f7e16cc2b05448f2c554210a163719a9ac411bb04a7d6a3613e8dadfa42"`
[INFO] [stdout] 07052f7e16cc2b05448f2c554210a163719a9ac411bb04a7d6a3613e8dadfa42
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dylanede/constrained:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9264061ac0623d7193b7d1de596fbebd073ed72a867fa0ae8bc26fd13142639e
[INFO] running `"docker" "start" "-a" "9264061ac0623d7193b7d1de596fbebd073ed72a867fa0ae8bc26fd13142639e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/constrained-f9259b087e7aa1ba
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests constrained
[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" "9264061ac0623d7193b7d1de596fbebd073ed72a867fa0ae8bc26fd13142639e"`
[INFO] running `"docker" "rm" "-f" "9264061ac0623d7193b7d1de596fbebd073ed72a867fa0ae8bc26fd13142639e"`
[INFO] [stdout] 9264061ac0623d7193b7d1de596fbebd073ed72a867fa0ae8bc26fd13142639e