[INFO] cloning repository ConnyOnny/sdfgen
[INFO] running `"git" "clone" "--bare" "git://github.com/ConnyOnny/sdfgen.git" "work/cache/sources/gh/ConnyOnny/sdfgen"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/ConnyOnny/sdfgen'...
[INFO] running `"git" "clone" "work/cache/sources/gh/ConnyOnny/sdfgen" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ConnyOnny/sdfgen"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ConnyOnny/sdfgen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ConnyOnny/sdfgen" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ConnyOnny/sdfgen"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ConnyOnny/sdfgen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ad7987ebc39ebad03d87f69a92df4e345d7d8bc
[INFO] sha for GitHub repo ConnyOnny/sdfgen: 6ad7987ebc39ebad03d87f69a92df4e345d7d8bc
[INFO] validating manifest of ConnyOnny/sdfgen on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ConnyOnny/sdfgen on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ConnyOnny/sdfgen
[INFO] finished frobbing ConnyOnny/sdfgen
[INFO] frobbed toml for ConnyOnny/sdfgen written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ConnyOnny/sdfgen/Cargo.toml
[INFO] started frobbing ConnyOnny/sdfgen
[INFO] finished frobbing ConnyOnny/sdfgen
[INFO] frobbed toml for ConnyOnny/sdfgen written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ConnyOnny/sdfgen/Cargo.toml
[INFO] crate ConnyOnny/sdfgen already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ConnyOnny/sdfgen against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ConnyOnny/sdfgen:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 6223032efe452119a1119b2949c064ca512c59892b0796d15615952ae8f89558
[INFO] running `"docker" "start" "-a" "6223032efe452119a1119b2949c064ca512c59892b0796d15615952ae8f89558"`
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling rustc-serialize v0.3.21
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling getopts v0.2.14
[INFO] [stderr]    Compiling gif v0.9.0
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33
[INFO] [stderr]      |
[INFO] [stderr] 955  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 959  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1008 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1009 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]      = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num_cpus v1.2.0
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling rayon v0.5.0
[INFO] [stderr]    Compiling flate2 v0.2.14
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.8
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling enum_primitive v0.1.0
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling sdfgen v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/sdf_algorithm.rs:96:7
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let mut child_tasks_slice = &mut child_tasks[0..child_tasks_idx];
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.48s
[INFO] running `"docker" "inspect" "6223032efe452119a1119b2949c064ca512c59892b0796d15615952ae8f89558"`
[INFO] running `"docker" "rm" "-f" "6223032efe452119a1119b2949c064ca512c59892b0796d15615952ae8f89558"`
[INFO] [stdout] 6223032efe452119a1119b2949c064ca512c59892b0796d15615952ae8f89558
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ConnyOnny/sdfgen:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 680932ddef16bf95466131ee1418711afe1a1491219d3580ff2aaec0ffe3cd64
[INFO] running `"docker" "start" "-a" "680932ddef16bf95466131ee1418711afe1a1491219d3580ff2aaec0ffe3cd64"`
[INFO] [stderr]    Compiling sdfgen v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/sdf_algorithm.rs:96:7
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let mut child_tasks_slice = &mut child_tasks[0..child_tasks_idx];
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "680932ddef16bf95466131ee1418711afe1a1491219d3580ff2aaec0ffe3cd64"`
[INFO] running `"docker" "rm" "-f" "680932ddef16bf95466131ee1418711afe1a1491219d3580ff2aaec0ffe3cd64"`
[INFO] [stdout] 680932ddef16bf95466131ee1418711afe1a1491219d3580ff2aaec0ffe3cd64
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ConnyOnny/sdfgen:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 02f281ccf7bbcf359c58a348d0e5cb9b297326a67f6a3224994e97cf9f9fbf15
[INFO] running `"docker" "start" "-a" "02f281ccf7bbcf359c58a348d0e5cb9b297326a67f6a3224994e97cf9f9fbf15"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sdfgen-c11618b1f924d9f2
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sdfgen-0d4293fceca166d7
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test sdf_algorithm::idx2pointtest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sdfgen
[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" "02f281ccf7bbcf359c58a348d0e5cb9b297326a67f6a3224994e97cf9f9fbf15"`
[INFO] running `"docker" "rm" "-f" "02f281ccf7bbcf359c58a348d0e5cb9b297326a67f6a3224994e97cf9f9fbf15"`
[INFO] [stdout] 02f281ccf7bbcf359c58a348d0e5cb9b297326a67f6a3224994e97cf9f9fbf15