[INFO] crate rehashinghashmap 0.1.2 is already in cache
[INFO] testing rehashinghashmap-0.1.2 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate rehashinghashmap 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rehashinghashmap 0.1.2 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rehashinghashmap 0.1.2
[INFO] finished tweaking crates.io crate rehashinghashmap 0.1.2
[INFO] tweaked toml for crates.io crate rehashinghashmap 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5954471f341f3d27f3c059b3f31a6561d82c142763c92446f0a0edf8c8bffde
[INFO] running `"docker" "start" "-a" "c5954471f341f3d27f3c059b3f31a6561d82c142763c92446f0a0edf8c8bffde"`
[INFO] [stderr]    Compiling rehashinghashmap v0.1.2 (/opt/rustwide/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] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "c5954471f341f3d27f3c059b3f31a6561d82c142763c92446f0a0edf8c8bffde"`
[INFO] running `"docker" "rm" "-f" "c5954471f341f3d27f3c059b3f31a6561d82c142763c92446f0a0edf8c8bffde"`
[INFO] [stdout] c5954471f341f3d27f3c059b3f31a6561d82c142763c92446f0a0edf8c8bffde
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5c294f12e1469d584a3148fa04bea024477536ee473e70f47f70933457f99e5a
[INFO] running `"docker" "start" "-a" "5c294f12e1469d584a3148fa04bea024477536ee473e70f47f70933457f99e5a"`
[INFO] [stderr]    Compiling rehashinghashmap v0.1.2 (/opt/rustwide/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] warning: 3 warnings emitted
[INFO] [stderr] 
[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] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `"docker" "inspect" "5c294f12e1469d584a3148fa04bea024477536ee473e70f47f70933457f99e5a"`
[INFO] running `"docker" "rm" "-f" "5c294f12e1469d584a3148fa04bea024477536ee473e70f47f70933457f99e5a"`
[INFO] [stdout] 5c294f12e1469d584a3148fa04bea024477536ee473e70f47f70933457f99e5a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5db69f8c860945d493a149a849dc2bcff6b4e055e1385ab6186ed1ba8d47dce3
[INFO] running `"docker" "start" "-a" "5db69f8c860945d493a149a849dc2bcff6b4e055e1385ab6186ed1ba8d47dce3"`
[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] warning: 3 warnings emitted
[INFO] [stderr] 
[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] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rehashinghashmap-3f3ea98a8a398c51
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test extend ... ok
[INFO] [stdout] test from_iter ... ok
[INFO] [stdout] test capacity ... ok
[INFO] [stdout] test get_mut0 ... ok
[INFO] [stdout] test contains_key ... ok
[INFO] [stdout] test clear ... ok
[INFO] [stdout] test entry ... ok
[INFO] [stdout] test get_mut2 ... ok
[INFO] [stdout] test eq ... ok
[INFO] [stdout] test index ... ok
[INFO] [stdout] test insert ... ok
[INFO] [stdout] test get_mut1 ... ok
[INFO] [stdout] test iterator ... ok
[INFO] [stdout] test iter_mut ... ok
[INFO] [stdout] test is_empty ... ok
[INFO] [stdout] test keys ... ok
[INFO] [stdout] test remove1 ... ok
[INFO] [stdout] test values ... ok
[INFO] [stdout] test into_iter ... ok
[INFO] [stdout] test remove2 ... ok
[INFO] [stdout] test remove0 ... 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" "5db69f8c860945d493a149a849dc2bcff6b4e055e1385ab6186ed1ba8d47dce3"`
[INFO] running `"docker" "rm" "-f" "5db69f8c860945d493a149a849dc2bcff6b4e055e1385ab6186ed1ba8d47dce3"`
[INFO] [stdout] 5db69f8c860945d493a149a849dc2bcff6b4e055e1385ab6186ed1ba8d47dce3