[INFO] fetching crate chashmap 2.2.2...
[INFO] testing chashmap-2.2.2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate chashmap 2.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate chashmap 2.2.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b90bb0248a634c091908d0f9eebab81803e637b697c04bd353600ef83b74cd19
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b90bb0248a634c091908d0f9eebab81803e637b697c04bd353600ef83b74cd19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b90bb0248a634c091908d0f9eebab81803e637b697c04bd353600ef83b74cd19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b90bb0248a634c091908d0f9eebab81803e637b697c04bd353600ef83b74cd19", kill_on_drop: false }`
[INFO] [stdout] b90bb0248a634c091908d0f9eebab81803e637b697c04bd353600ef83b74cd19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b25e2f3daa3b08ed6c07709bc836dcf54f293e57ea4ab7113236e8649b908486
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b25e2f3daa3b08ed6c07709bc836dcf54f293e57ea4ab7113236e8649b908486", kill_on_drop: false }`
[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] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:405:21
[INFO] [stdout]     |
[INFO] [stdout] 405 |                 let mut bucket = self.scan_mut_no_lock(&key, |x| match *x {
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "b25e2f3daa3b08ed6c07709bc836dcf54f293e57ea4ab7113236e8649b908486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b25e2f3daa3b08ed6c07709bc836dcf54f293e57ea4ab7113236e8649b908486", kill_on_drop: false }`
[INFO] [stdout] b25e2f3daa3b08ed6c07709bc836dcf54f293e57ea4ab7113236e8649b908486
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b28dbfaf3f47ced8a3a7e9d711b0d70f4bf917a163545adf3214fcb56d9339ef
[INFO] running `Command { std: "docker" "start" "-a" "b28dbfaf3f47ced8a3a7e9d711b0d70f4bf917a163545adf3214fcb56d9339ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling chashmap v2.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:405:21
[INFO] [stdout]     |
[INFO] [stdout] 405 |                 let mut bucket = self.scan_mut_no_lock(&key, |x| match *x {
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:405:21
[INFO] [stdout]     |
[INFO] [stdout] 405 |                 let mut bucket = self.scan_mut_no_lock(&key, |x| match *x {
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "b28dbfaf3f47ced8a3a7e9d711b0d70f4bf917a163545adf3214fcb56d9339ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b28dbfaf3f47ced8a3a7e9d711b0d70f4bf917a163545adf3214fcb56d9339ef", kill_on_drop: false }`
[INFO] [stdout] b28dbfaf3f47ced8a3a7e9d711b0d70f4bf917a163545adf3214fcb56d9339ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ce62cd863fe147472b3056bc0ae9187b09651e2e81e70a1ee35139ce0a1aca1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ce62cd863fe147472b3056bc0ae9187b09651e2e81e70a1ee35139ce0a1aca1", kill_on_drop: false }`
[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: `chashmap` (lib) generated 1 warning
[INFO] [stderr] warning: `chashmap` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chashmap-1686414aa4ba154c)
[INFO] [stdout] running 30 tests
[INFO] [stdout] test tests::clear_with_retain ... ok
[INFO] [stdout] test tests::create_capacity_zero ... ok
[INFO] [stdout] test tests::conflict_remove ... ok
[INFO] [stdout] test tests::find ... ok
[INFO] [stdout] test tests::from_iter ... ok
[INFO] [stdout] test tests::insert_into_map_full_of_free_buckets ... ok
[INFO] [stdout] test tests::empty_pop ... ok
[INFO] [stdout] test tests::clear ... ok
[INFO] [stdout] test tests::insert ... ok
[INFO] [stdout] test tests::drops ... ok
[INFO] [stdout] test tests::insert_overwrite ... ok
[INFO] [stdout] test tests::move_iter_drops ... ok
[INFO] [stdout] test tests::insert_conflicts ... ok
[INFO] [stdout] test tests::find_mut ... ok
[INFO] [stdout] test tests::is_empty ... ok
[INFO] [stdout] test tests::alter_string ... ok
[INFO] [stdout] test tests::retain ... ok
[INFO] [stdout] test tests::upsert ... ok
[INFO] [stdout] test tests::reserve_shrink_to_fit ... ok
[INFO] [stdout] test tests::capacity_not_less_than_len ... ok
[INFO] [stdout] test tests::upsert_update ... ok
[INFO] [stdout] test tests::lock_compete ... ok
[INFO] [stdout] test tests::lookup_borrowed ... ok
[INFO] [stdout] test tests::spam_upsert ... ok
[INFO] [stdout] test tests::simultanous_reserve ... ok
[INFO] [stdout] test tests::pop ... ok
[INFO] [stdout] test tests::spam_insert ... ok
[INFO] [stdout] test tests::spam_insert_new ... ok
[INFO] [stdout] test tests::spam_alter ... ok
[INFO] [stdout] test tests::lots_of_insertions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 29.86s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chashmap
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ce62cd863fe147472b3056bc0ae9187b09651e2e81e70a1ee35139ce0a1aca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce62cd863fe147472b3056bc0ae9187b09651e2e81e70a1ee35139ce0a1aca1", kill_on_drop: false }`
[INFO] [stdout] 4ce62cd863fe147472b3056bc0ae9187b09651e2e81e70a1ee35139ce0a1aca1
