[INFO] updating cached repository zacharyhamm/stupid_hash
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zacharyhamm/stupid_hash
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zacharyhamm/stupid_hash" "work/ex/beta-1.38-1/sources/1.37.0/gh/zacharyhamm/stupid_hash"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/zacharyhamm/stupid_hash'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zacharyhamm/stupid_hash" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zacharyhamm/stupid_hash"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zacharyhamm/stupid_hash'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 704d7ecfb9b0f62b4158b8b36db26146bb12b716
[INFO] sha for GitHub repo zacharyhamm/stupid_hash: 704d7ecfb9b0f62b4158b8b36db26146bb12b716
[INFO] validating manifest of zacharyhamm/stupid_hash 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 zacharyhamm/stupid_hash 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 zacharyhamm/stupid_hash
[INFO] finished frobbing zacharyhamm/stupid_hash
[INFO] frobbed toml for zacharyhamm/stupid_hash written to work/ex/beta-1.38-1/sources/1.37.0/gh/zacharyhamm/stupid_hash/Cargo.toml
[INFO] started frobbing zacharyhamm/stupid_hash
[INFO] finished frobbing zacharyhamm/stupid_hash
[INFO] frobbed toml for zacharyhamm/stupid_hash written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zacharyhamm/stupid_hash/Cargo.toml
[INFO] crate zacharyhamm/stupid_hash 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/zacharyhamm/stupid_hash/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[INFO] the lockfile is outdated, regenerating it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 zacharyhamm/stupid_hash 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zacharyhamm/stupid_hash:/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] fba779057f321ec4ca5246370df4f602fe133c0bf63fee544a0d828b01b1cd96
[INFO] running `"docker" "start" "-a" "fba779057f321ec4ca5246370df4f602fe133c0bf63fee544a0d828b01b1cd96"`
[INFO] [stderr]    Compiling stupid_hash v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/hash.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |         for i in 0..NHASH {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NHASH`
[INFO] [stderr]  --> src/hash.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | const NHASH: usize = 1024;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MULTIPLIER`
[INFO] [stderr]  --> src/hash.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | const MULTIPLIER: usize = 31;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `table`
[INFO] [stderr]   --> src/hash.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     table: Vec<Vec<NameVal<T>>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `bits`
[INFO] [stderr]   --> src/hash.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     bits: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `split_bucket`
[INFO] [stderr]   --> src/hash.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     split_bucket: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/hash.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/hash.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hash`
[INFO] [stderr]   --> src/hash.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn hash(&self, name: &str) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup`
[INFO] [stderr]   --> src/hash.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn lookup(&self, name: &str) -> Option<&T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `upsert`
[INFO] [stderr]   --> src/hash.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn upsert(&mut self, name: &str, value: T) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `split`
[INFO] [stderr]    --> src/hash.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn split(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove`
[INFO] [stderr]    --> src/hash.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn remove(&mut self, name: &str) -> Option<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "fba779057f321ec4ca5246370df4f602fe133c0bf63fee544a0d828b01b1cd96"`
[INFO] running `"docker" "rm" "-f" "fba779057f321ec4ca5246370df4f602fe133c0bf63fee544a0d828b01b1cd96"`
[INFO] [stdout] fba779057f321ec4ca5246370df4f602fe133c0bf63fee544a0d828b01b1cd96
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zacharyhamm/stupid_hash:/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] a9f27f83f0ebffaf6f593b280a3dd1b39345974951d3f4272f2c5f7bbe856a25
[INFO] running `"docker" "start" "-a" "a9f27f83f0ebffaf6f593b280a3dd1b39345974951d3f4272f2c5f7bbe856a25"`
[INFO] [stderr]    Compiling stupid_hash v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/hash.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |         for i in 0..NHASH {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "a9f27f83f0ebffaf6f593b280a3dd1b39345974951d3f4272f2c5f7bbe856a25"`
[INFO] running `"docker" "rm" "-f" "a9f27f83f0ebffaf6f593b280a3dd1b39345974951d3f4272f2c5f7bbe856a25"`
[INFO] [stdout] a9f27f83f0ebffaf6f593b280a3dd1b39345974951d3f4272f2c5f7bbe856a25
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zacharyhamm/stupid_hash:/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] a2a12955c54e9c70bf2d9dbccc91b2def95711693314b5ba21b47e88e452d5f3
[INFO] running `"docker" "start" "-a" "a2a12955c54e9c70bf2d9dbccc91b2def95711693314b5ba21b47e88e452d5f3"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stupid_hash-bcc22d946efa42b9
[INFO] [stdout] test hash::basics ... ok
[INFO] [stdout] test hash::test_split ... test hash::test_split has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `"docker" "inspect" "a2a12955c54e9c70bf2d9dbccc91b2def95711693314b5ba21b47e88e452d5f3"`
[INFO] running `"docker" "rm" "-f" "a2a12955c54e9c70bf2d9dbccc91b2def95711693314b5ba21b47e88e452d5f3"`
[INFO] [stdout] a2a12955c54e9c70bf2d9dbccc91b2def95711693314b5ba21b47e88e452d5f3