[INFO] crate rehashinghashmap 0.1.2 is already in cache
[INFO] extracting crate rehashinghashmap 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/rehashinghashmap/0.1.2
[INFO] extracting crate rehashinghashmap 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rehashinghashmap/0.1.2
[INFO] validating manifest of rehashinghashmap-0.1.2 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 rehashinghashmap-0.1.2 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 rehashinghashmap-0.1.2
[INFO] finished frobbing rehashinghashmap-0.1.2
[INFO] frobbed toml for rehashinghashmap-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rehashinghashmap/0.1.2/Cargo.toml
[INFO] started frobbing rehashinghashmap-0.1.2
[INFO] finished frobbing rehashinghashmap-0.1.2
[INFO] frobbed toml for rehashinghashmap-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rehashinghashmap/0.1.2/Cargo.toml
[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 rehashinghashmap-0.1.2 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rehashinghashmap/0.1.2:/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] ebc469b95b6d03e34399c92ced0c218292d597cda516ca7a0f7c00ee2fca6198
[INFO] running `"docker" "start" "-a" "ebc469b95b6d03e34399c92ced0c218292d597cda516ca7a0f7c00ee2fca6198"`
[INFO] [stderr]    Compiling rehashinghashmap v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:64:18
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let (mut main, mut sec) = if self.is1main {
[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:64:28
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let (mut main, mut sec) = if self.is1main {
[INFO] [stderr]    |                            ----^^^
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:289:18
[INFO] [stderr]     |
[INFO] [stderr] 289 |     fn into_iter(mut self) -> IterMut<'a, K, V> {
[INFO] [stderr]     |                  ----^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `"docker" "inspect" "ebc469b95b6d03e34399c92ced0c218292d597cda516ca7a0f7c00ee2fca6198"`
[INFO] running `"docker" "rm" "-f" "ebc469b95b6d03e34399c92ced0c218292d597cda516ca7a0f7c00ee2fca6198"`
[INFO] [stdout] ebc469b95b6d03e34399c92ced0c218292d597cda516ca7a0f7c00ee2fca6198
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rehashinghashmap/0.1.2:/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] 0da87c5e7d76f81bd4043d4bd0003ab4e2eabad393e1f39a8cd1630cf19decb4
[INFO] running `"docker" "start" "-a" "0da87c5e7d76f81bd4043d4bd0003ab4e2eabad393e1f39a8cd1630cf19decb4"`
[INFO] [stderr]    Compiling rehashinghashmap v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:64:18
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let (mut main, mut sec) = if self.is1main {
[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:64:28
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let (mut main, mut sec) = if self.is1main {
[INFO] [stderr]    |                            ----^^^
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:289:18
[INFO] [stderr]     |
[INFO] [stderr] 289 |     fn into_iter(mut self) -> IterMut<'a, K, V> {
[INFO] [stderr]     |                  ----^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "0da87c5e7d76f81bd4043d4bd0003ab4e2eabad393e1f39a8cd1630cf19decb4"`
[INFO] running `"docker" "rm" "-f" "0da87c5e7d76f81bd4043d4bd0003ab4e2eabad393e1f39a8cd1630cf19decb4"`
[INFO] [stdout] 0da87c5e7d76f81bd4043d4bd0003ab4e2eabad393e1f39a8cd1630cf19decb4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rehashinghashmap/0.1.2:/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] 71d81a230b299c07984d3119b3a9985d13d2c51b492eb396893bd4da563ec915
[INFO] running `"docker" "start" "-a" "71d81a230b299c07984d3119b3a9985d13d2c51b492eb396893bd4da563ec915"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rehashinghashmap-294050340cff9deb
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test extend ... ok
[INFO] [stdout] test capacity ... ok
[INFO] [stdout] test clear ... ok
[INFO] [stdout] test entry ... ok
[INFO] [stdout] test get_mut0 ... ok
[INFO] [stdout] test from_iter ... ok
[INFO] [stdout] test contains_key ... ok
[INFO] [stdout] test insert ... ok
[INFO] [stdout] test index ... ok
[INFO] [stdout] test get_mut2 ... ok
[INFO] [stdout] test get_mut1 ... ok
[INFO] [stdout] test iterator ... ok
[INFO] [stdout] test keys ... ok
[INFO] [stdout] test remove0 ... ok
[INFO] [stdout] test remove1 ... ok
[INFO] [stdout] test remove2 ... ok
[INFO] [stdout] test values ... ok
[INFO] [stdout] test iter_mut ... ok
[INFO] [stdout] test into_iter ... ok
[INFO] [stdout] test is_empty ... ok
[INFO] [stdout] test eq ... ok
[INFO] [stdout] test insert_many_rehash_get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rehashinghashmap
[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" "71d81a230b299c07984d3119b3a9985d13d2c51b492eb396893bd4da563ec915"`
[INFO] running `"docker" "rm" "-f" "71d81a230b299c07984d3119b3a9985d13d2c51b492eb396893bd4da563ec915"`
[INFO] [stdout] 71d81a230b299c07984d3119b3a9985d13d2c51b492eb396893bd4da563ec915