[INFO] updating cached repository https://github.com/ernsttm/mapping
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fffe80200cc357b8d54303910248423cca45cedb
[INFO] testing ernsttm/mapping against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fernsttm%2Fmapping" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ernsttm/mapping on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ernsttm/mapping
[INFO] finished tweaking git repo https://github.com/ernsttm/mapping
[INFO] tweaked toml for git repo https://github.com/ernsttm/mapping written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ernsttm/mapping already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] b010dde53a14300baa2958cd2167eec4242c008994092d73ee059675835b85f7
[INFO] running `"docker" "start" "-a" "b010dde53a14300baa2958cd2167eec4242c008994092d73ee059675835b85f7"`
[INFO] [stderr]    Compiling mapping v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Tree`
[INFO] [stderr]   --> src/lib.rs:10:27
[INFO] [stderr]    |
[INFO] [stderr] 10 | use dag::{DAG, InputNode, Tree};
[INFO] [stderr]    |                           ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/lib.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |     for index in 0..gate_number {
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/lib.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     for index in 0..cell_number {
[INFO] [stderr]     |         ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/lib.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |     for index in 0..node_num {
[INFO] [stderr]     |         ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/laydown_walker.rs:79:14
[INFO] [stderr]    |
[INFO] [stderr] 79 |         for (i, cell) in self.cells.iter().enumerate() {
[INFO] [stderr]    |              ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inputs`
[INFO] [stderr]   --> src/dag.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn inputs(&self) -> &Vec<u32> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inputs`
[INFO] [stderr]    --> src/dag.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn inputs(&self, node: u32) -> &Vec<u32> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `inputs`
[INFO] [stderr]   --> src/lib.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     inputs: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "b010dde53a14300baa2958cd2167eec4242c008994092d73ee059675835b85f7"`
[INFO] running `"docker" "rm" "-f" "b010dde53a14300baa2958cd2167eec4242c008994092d73ee059675835b85f7"`
[INFO] [stdout] b010dde53a14300baa2958cd2167eec4242c008994092d73ee059675835b85f7
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 66063811a286874c0b022f4ae2f79b520b02a6626348a3da8656bb2d35ebd359
[INFO] running `"docker" "start" "-a" "66063811a286874c0b022f4ae2f79b520b02a6626348a3da8656bb2d35ebd359"`
[INFO] [stderr]    Compiling mapping v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Tree`
[INFO] [stderr]   --> src/lib.rs:10:27
[INFO] [stderr]    |
[INFO] [stderr] 10 | use dag::{DAG, InputNode, Tree};
[INFO] [stderr]    |                           ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/lib.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |     for index in 0..gate_number {
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/lib.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     for index in 0..cell_number {
[INFO] [stderr]     |         ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/lib.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |     for index in 0..node_num {
[INFO] [stderr]     |         ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/laydown_walker.rs:79:14
[INFO] [stderr]    |
[INFO] [stderr] 79 |         for (i, cell) in self.cells.iter().enumerate() {
[INFO] [stderr]    |              ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inputs`
[INFO] [stderr]   --> src/dag.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn inputs(&self) -> &Vec<u32> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inputs`
[INFO] [stderr]    --> src/dag.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn inputs(&self, node: u32) -> &Vec<u32> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `inputs`
[INFO] [stderr]   --> src/lib.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     inputs: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "66063811a286874c0b022f4ae2f79b520b02a6626348a3da8656bb2d35ebd359"`
[INFO] running `"docker" "rm" "-f" "66063811a286874c0b022f4ae2f79b520b02a6626348a3da8656bb2d35ebd359"`
[INFO] [stdout] 66063811a286874c0b022f4ae2f79b520b02a6626348a3da8656bb2d35ebd359
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 91d918709dc69455928a654e43777434d5e509f8d4b4874b82ee22eecb6ac5bb
[INFO] running `"docker" "start" "-a" "91d918709dc69455928a654e43777434d5e509f8d4b4874b82ee22eecb6ac5bb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mapping-aec660b77e5460d4
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::long ... ignored
[INFO] [stdout] test tests::test1 ... ok
[INFO] [stdout] test tests::test3 ... ok
[INFO] [stdout] test tests::test2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mapping-d8de807f18746808
[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 mapping
[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" "91d918709dc69455928a654e43777434d5e509f8d4b4874b82ee22eecb6ac5bb"`
[INFO] running `"docker" "rm" "-f" "91d918709dc69455928a654e43777434d5e509f8d4b4874b82ee22eecb6ac5bb"`
[INFO] [stdout] 91d918709dc69455928a654e43777434d5e509f8d4b4874b82ee22eecb6ac5bb