[INFO] updating cached repository ernsttm/mapping
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ernsttm/mapping
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ernsttm/mapping" "work/ex/beta-1.37-6/sources/1.36.0/gh/ernsttm/mapping"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ernsttm/mapping'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ernsttm/mapping" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ernsttm/mapping"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ernsttm/mapping'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fffe80200cc357b8d54303910248423cca45cedb
[INFO] sha for GitHub repo ernsttm/mapping: fffe80200cc357b8d54303910248423cca45cedb
[INFO] validating manifest of ernsttm/mapping on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ernsttm/mapping on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ernsttm/mapping
[INFO] finished frobbing ernsttm/mapping
[INFO] frobbed toml for ernsttm/mapping written to work/ex/beta-1.37-6/sources/1.36.0/gh/ernsttm/mapping/Cargo.toml
[INFO] started frobbing ernsttm/mapping
[INFO] finished frobbing ernsttm/mapping
[INFO] frobbed toml for ernsttm/mapping written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ernsttm/mapping/Cargo.toml
[INFO] crate ernsttm/mapping already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ernsttm/mapping against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ernsttm/mapping:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 68a2b55cd0205198334cfec83e77766e23d1b6824473f0fbf4b350790807b692
[INFO] running `"docker" "start" "-a" "68a2b55cd0205198334cfec83e77766e23d1b6824473f0fbf4b350790807b692"`
[INFO] [stderr]    Compiling mapping v0.1.0 (/opt/crater/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 1.73s
[INFO] running `"docker" "inspect" "68a2b55cd0205198334cfec83e77766e23d1b6824473f0fbf4b350790807b692"`
[INFO] running `"docker" "rm" "-f" "68a2b55cd0205198334cfec83e77766e23d1b6824473f0fbf4b350790807b692"`
[INFO] [stdout] 68a2b55cd0205198334cfec83e77766e23d1b6824473f0fbf4b350790807b692
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ernsttm/mapping:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] a294a27ddfe2e6c6ea16edcd7b85510822fb4b2515690f05bda5f15748d348ad
[INFO] running `"docker" "start" "-a" "a294a27ddfe2e6c6ea16edcd7b85510822fb4b2515690f05bda5f15748d348ad"`
[INFO] [stderr]    Compiling mapping v0.1.0 (/opt/crater/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 1.64s
[INFO] running `"docker" "inspect" "a294a27ddfe2e6c6ea16edcd7b85510822fb4b2515690f05bda5f15748d348ad"`
[INFO] running `"docker" "rm" "-f" "a294a27ddfe2e6c6ea16edcd7b85510822fb4b2515690f05bda5f15748d348ad"`
[INFO] [stdout] a294a27ddfe2e6c6ea16edcd7b85510822fb4b2515690f05bda5f15748d348ad
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ernsttm/mapping:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 45b8c35261b579b813f5b0b398503689187b08f603eadb4d38cb2e9339340d69
[INFO] running `"docker" "start" "-a" "45b8c35261b579b813f5b0b398503689187b08f603eadb4d38cb2e9339340d69"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mapping-fcbb589d4bc43d5b
[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/crater/target/debug/deps/mapping-68d199da46212b6c
[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" "45b8c35261b579b813f5b0b398503689187b08f603eadb4d38cb2e9339340d69"`
[INFO] running `"docker" "rm" "-f" "45b8c35261b579b813f5b0b398503689187b08f603eadb4d38cb2e9339340d69"`
[INFO] [stdout] 45b8c35261b579b813f5b0b398503689187b08f603eadb4d38cb2e9339340d69