[INFO] updating cached repository tmmcguire/fasthashmap
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tmmcguire/fasthashmap
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tmmcguire/fasthashmap" "work/ex/beta-1.38-1/sources/1.37.0/gh/tmmcguire/fasthashmap"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tmmcguire/fasthashmap'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tmmcguire/fasthashmap" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tmmcguire/fasthashmap"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tmmcguire/fasthashmap'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cb62dc211ea156ccc3bd232fdf1517a4d560d81f
[INFO] sha for GitHub repo tmmcguire/fasthashmap: cb62dc211ea156ccc3bd232fdf1517a4d560d81f
[INFO] validating manifest of tmmcguire/fasthashmap 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 tmmcguire/fasthashmap 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 tmmcguire/fasthashmap
[INFO] finished frobbing tmmcguire/fasthashmap
[INFO] frobbed toml for tmmcguire/fasthashmap written to work/ex/beta-1.38-1/sources/1.37.0/gh/tmmcguire/fasthashmap/Cargo.toml
[INFO] started frobbing tmmcguire/fasthashmap
[INFO] finished frobbing tmmcguire/fasthashmap
[INFO] frobbed toml for tmmcguire/fasthashmap written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tmmcguire/fasthashmap/Cargo.toml
[INFO] crate tmmcguire/fasthashmap 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing tmmcguire/fasthashmap 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tmmcguire/fasthashmap:/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] 6d13c744c53a9882673800b47dace54c81164d3950f87e3d517ba21880dc9e32
[INFO] running `"docker" "start" "-a" "6d13c744c53a9882673800b47dace54c81164d3950f87e3d517ba21880dc9e32"`
[INFO] [stderr]    Compiling fasthashmap v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:183:13
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let mut elt = &mut self.table[i];
[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] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:282:13
[INFO] [stderr]     |
[INFO] [stderr] 282 |         let mut elt = &mut self.table[i];
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "6d13c744c53a9882673800b47dace54c81164d3950f87e3d517ba21880dc9e32"`
[INFO] running `"docker" "rm" "-f" "6d13c744c53a9882673800b47dace54c81164d3950f87e3d517ba21880dc9e32"`
[INFO] [stdout] 6d13c744c53a9882673800b47dace54c81164d3950f87e3d517ba21880dc9e32
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tmmcguire/fasthashmap:/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] 46a1f6ba14b3004872eba5c5d7f17a873ae73429fb4316d0fc075eb2b664fb15
[INFO] running `"docker" "start" "-a" "46a1f6ba14b3004872eba5c5d7f17a873ae73429fb4316d0fc075eb2b664fb15"`
[INFO] [stderr]    Compiling fasthashmap v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:183:13
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let mut elt = &mut self.table[i];
[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] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:282:13
[INFO] [stderr]     |
[INFO] [stderr] 282 |         let mut elt = &mut self.table[i];
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "46a1f6ba14b3004872eba5c5d7f17a873ae73429fb4316d0fc075eb2b664fb15"`
[INFO] running `"docker" "rm" "-f" "46a1f6ba14b3004872eba5c5d7f17a873ae73429fb4316d0fc075eb2b664fb15"`
[INFO] [stdout] 46a1f6ba14b3004872eba5c5d7f17a873ae73429fb4316d0fc075eb2b664fb15
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tmmcguire/fasthashmap:/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] f714e08b10e46263405e3d812e4cbc5af2b33fee179dc9a7fb8364d7fe776bf3
[INFO] running `"docker" "start" "-a" "f714e08b10e46263405e3d812e4cbc5af2b33fee179dc9a7fb8364d7fe776bf3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fasthashmap-3f355d583deaa400
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_eight ... ok
[INFO] [stdout] test tests::test_one ... ok
[INFO] [stdout] test tests::test_empty ... ok
[INFO] [stdout] test tests::test_set_empty ... ok
[INFO] [stdout] test tests::test_set_nonempty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fasthashmap
[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" "f714e08b10e46263405e3d812e4cbc5af2b33fee179dc9a7fb8364d7fe776bf3"`
[INFO] running `"docker" "rm" "-f" "f714e08b10e46263405e3d812e4cbc5af2b33fee179dc9a7fb8364d7fe776bf3"`
[INFO] [stdout] f714e08b10e46263405e3d812e4cbc5af2b33fee179dc9a7fb8364d7fe776bf3