[INFO] updating cached repository bluejekyll/triword
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bluejekyll/triword
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bluejekyll/triword" "work/ex/beta-1.38-1/sources/1.37.0/gh/bluejekyll/triword"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bluejekyll/triword'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bluejekyll/triword" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bluejekyll/triword"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bluejekyll/triword'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 542e956dbf701845da56f86b349bec71416ade78
[INFO] sha for GitHub repo bluejekyll/triword: 542e956dbf701845da56f86b349bec71416ade78
[INFO] validating manifest of bluejekyll/triword 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 bluejekyll/triword 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 bluejekyll/triword
[INFO] finished frobbing bluejekyll/triword
[INFO] frobbed toml for bluejekyll/triword written to work/ex/beta-1.38-1/sources/1.37.0/gh/bluejekyll/triword/Cargo.toml
[INFO] started frobbing bluejekyll/triword
[INFO] finished frobbing bluejekyll/triword
[INFO] frobbed toml for bluejekyll/triword written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bluejekyll/triword/Cargo.toml
[INFO] crate bluejekyll/triword 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bluejekyll/triword against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bluejekyll/triword:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 42adaa7c8822b08a7f17f77a25d6e5b58cea5e5cd8d4f3dcb5902513762113da
[INFO] running `"docker" "start" "-a" "42adaa7c8822b08a7f17f77a25d6e5b58cea5e5cd8d4f3dcb5902513762113da"`
[INFO] [stderr]    Compiling serde v1.0.39
[INFO] [stderr]    Compiling nibble_vec v0.0.4
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling radix_trie v0.1.3
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling serde_derive v1.0.39
[INFO] [stderr]    Compiling serde_json v1.0.15
[INFO] [stderr]    Compiling triword v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:149:14
[INFO] [stderr]     |
[INFO] [stderr] 149 |         for (mut this_slot, that_slot) in self.0.iter_mut().zip(grid_count.0.iter()) {
[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 32.81s
[INFO] running `"docker" "inspect" "42adaa7c8822b08a7f17f77a25d6e5b58cea5e5cd8d4f3dcb5902513762113da"`
[INFO] running `"docker" "rm" "-f" "42adaa7c8822b08a7f17f77a25d6e5b58cea5e5cd8d4f3dcb5902513762113da"`
[INFO] [stdout] 42adaa7c8822b08a7f17f77a25d6e5b58cea5e5cd8d4f3dcb5902513762113da
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bluejekyll/triword:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0407013d98b44845894e8b82e17676569e782017080f1e08d5eed8cc4ec33a91
[INFO] running `"docker" "start" "-a" "0407013d98b44845894e8b82e17676569e782017080f1e08d5eed8cc4ec33a91"`
[INFO] [stderr]    Compiling triword v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:149:14
[INFO] [stderr]     |
[INFO] [stderr] 149 |         for (mut this_slot, that_slot) in self.0.iter_mut().zip(grid_count.0.iter()) {
[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 1.79s
[INFO] running `"docker" "inspect" "0407013d98b44845894e8b82e17676569e782017080f1e08d5eed8cc4ec33a91"`
[INFO] running `"docker" "rm" "-f" "0407013d98b44845894e8b82e17676569e782017080f1e08d5eed8cc4ec33a91"`
[INFO] [stdout] 0407013d98b44845894e8b82e17676569e782017080f1e08d5eed8cc4ec33a91
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bluejekyll/triword:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 85bb7fd438b4971230d38e93ec9e681e99d581e3e3109dc38f94a9dcfdcc7764
[INFO] running `"docker" "start" "-a" "85bb7fd438b4971230d38e93ec9e681e99d581e3e3109dc38f94a9dcfdcc7764"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/triword-f0146a8c722abc84
[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]      Running /opt/crater/target/debug/deps/triword-365725667afae181
[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 triword
[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" "85bb7fd438b4971230d38e93ec9e681e99d581e3e3109dc38f94a9dcfdcc7764"`
[INFO] running `"docker" "rm" "-f" "85bb7fd438b4971230d38e93ec9e681e99d581e3e3109dc38f94a9dcfdcc7764"`
[INFO] [stdout] 85bb7fd438b4971230d38e93ec9e681e99d581e3e3109dc38f94a9dcfdcc7764