[INFO] crate chashmap 2.2.2 is already in cache
[INFO] testing chashmap-2.2.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate chashmap 2.2.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate chashmap 2.2.2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate chashmap 2.2.2
[INFO] finished tweaking crates.io crate chashmap 2.2.2
[INFO] tweaked toml for crates.io crate chashmap 2.2.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-06-03" "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] 8f96c8b08f60eff584ba40121449befdbb89bc9b7c668850998400250dce4a4b
[INFO] running `"docker" "start" "-a" "8f96c8b08f60eff584ba40121449befdbb89bc9b7c668850998400250dce4a4b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling chashmap v2.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:405:21
[INFO] [stderr]     |
[INFO] [stderr] 405 |                 let mut bucket = self.scan_mut_no_lock(&key, |x| match *x {
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `"docker" "inspect" "8f96c8b08f60eff584ba40121449befdbb89bc9b7c668850998400250dce4a4b"`
[INFO] running `"docker" "rm" "-f" "8f96c8b08f60eff584ba40121449befdbb89bc9b7c668850998400250dce4a4b"`
[INFO] [stdout] 8f96c8b08f60eff584ba40121449befdbb89bc9b7c668850998400250dce4a4b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-06-03" "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] bfc01f94861ce17c1fc94807bab9bd5f612f00bc29ed6fa7fd989874fac4e735
[INFO] running `"docker" "start" "-a" "bfc01f94861ce17c1fc94807bab9bd5f612f00bc29ed6fa7fd989874fac4e735"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling chashmap v2.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:405:21
[INFO] [stderr]     |
[INFO] [stderr] 405 |                 let mut bucket = self.scan_mut_no_lock(&key, |x| match *x {
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:405:21
[INFO] [stderr]     |
[INFO] [stderr] 405 |                 let mut bucket = self.scan_mut_no_lock(&key, |x| match *x {
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `"docker" "inspect" "bfc01f94861ce17c1fc94807bab9bd5f612f00bc29ed6fa7fd989874fac4e735"`
[INFO] running `"docker" "rm" "-f" "bfc01f94861ce17c1fc94807bab9bd5f612f00bc29ed6fa7fd989874fac4e735"`
[INFO] [stdout] bfc01f94861ce17c1fc94807bab9bd5f612f00bc29ed6fa7fd989874fac4e735
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-06-03" "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] 1ddb1f43dfb71c942d37417a66f97d071c8a4205ff09f0975d9b8c0a7712de3e
[INFO] running `"docker" "start" "-a" "1ddb1f43dfb71c942d37417a66f97d071c8a4205ff09f0975d9b8c0a7712de3e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:405:21
[INFO] [stderr]     |
[INFO] [stderr] 405 |                 let mut bucket = self.scan_mut_no_lock(&key, |x| match *x {
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:405:21
[INFO] [stderr]     |
[INFO] [stderr] 405 |                 let mut bucket = self.scan_mut_no_lock(&key, |x| match *x {
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chashmap-135b5aef770b8c31
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test tests::clear_with_retain ... ok
[INFO] [stdout] test tests::capacity_not_less_than_len ... ok
[INFO] [stdout] test tests::insert_into_map_full_of_free_buckets ... ok
[INFO] [stdout] test tests::is_empty ... ok
[INFO] [stdout] test tests::insert_conflicts ... ok
[INFO] [stdout] test tests::empty_pop ... ok
[INFO] [stdout] test tests::create_capacity_zero ... ok
[INFO] [stdout] test tests::find_mut ... ok
[INFO] [stdout] test tests::drops ... ok
[INFO] [stdout] test tests::insert_overwrite ... ok
[INFO] [stdout] test tests::from_iter ... ok
[INFO] [stdout] test tests::lookup_borrowed ... ok
[INFO] [stdout] test tests::find ... ok
[INFO] [stdout] test tests::lock_compete ... ok
[INFO] [stdout] test tests::pop ... ok
[INFO] [stdout] test tests::conflict_remove ... ok
[INFO] [stdout] test tests::alter_string ... ok
[INFO] [stdout] test tests::clear ... ok
[INFO] [stdout] test tests::insert ... ok
[INFO] [stdout] test tests::retain ... ok
[INFO] [stdout] test tests::move_iter_drops ... ok
[INFO] [stdout] test tests::reserve_shrink_to_fit ... ok
[INFO] [stdout] test tests::upsert ... ok
[INFO] [stdout] test tests::upsert_update ... ok
[INFO] [stdout] test tests::simultanous_reserve ... ok
[INFO] [stdout] test tests::spam_alter ... ok
[INFO] [stdout] test tests::spam_upsert ... ok
[INFO] [stdout] test tests::spam_insert ... ok
[INFO] [stdout] test tests::spam_insert_new ... ok
[INFO] [stdout] test tests::lots_of_insertions ... ok
[INFO] [stderr]    Doc-tests chashmap
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "1ddb1f43dfb71c942d37417a66f97d071c8a4205ff09f0975d9b8c0a7712de3e"`
[INFO] running `"docker" "rm" "-f" "1ddb1f43dfb71c942d37417a66f97d071c8a4205ff09f0975d9b8c0a7712de3e"`
[INFO] [stdout] 1ddb1f43dfb71c942d37417a66f97d071c8a4205ff09f0975d9b8c0a7712de3e