[INFO] fetching crate cachedb 0.4.2...
[INFO] testing cachedb-0.4.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate cachedb 0.4.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate cachedb 0.4.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate cachedb 0.4.2
[INFO] finished tweaking crates.io crate cachedb 0.4.2
[INFO] tweaked toml for crates.io crate cachedb 0.4.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 537462f69a31fa76ad1cf934579804654e53ed54b8d1a44c3bed7ab19bb8ee9a
[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" "537462f69a31fa76ad1cf934579804654e53ed54b8d1a44c3bed7ab19bb8ee9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "537462f69a31fa76ad1cf934579804654e53ed54b8d1a44c3bed7ab19bb8ee9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537462f69a31fa76ad1cf934579804654e53ed54b8d1a44c3bed7ab19bb8ee9a", kill_on_drop: false }`
[INFO] [stdout] 537462f69a31fa76ad1cf934579804654e53ed54b8d1a44c3bed7ab19bb8ee9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--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] 00e7bbffe6ad6faa239900766e9be06c7b1263d7409229b39f8bb496d440e9e2
[INFO] running `Command { std: "docker" "start" "-a" "00e7bbffe6ad6faa239900766e9be06c7b1263d7409229b39f8bb496d440e9e2", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling intrusive-collections v0.9.3
[INFO] [stderr]    Compiling cachedb v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `expire`
[INFO] [stdout]   --> src/entry.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn expire(&mut self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expire`
[INFO] [stdout]    --> src/entry.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn expire(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `Command { std: "docker" "inspect" "00e7bbffe6ad6faa239900766e9be06c7b1263d7409229b39f8bb496d440e9e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e7bbffe6ad6faa239900766e9be06c7b1263d7409229b39f8bb496d440e9e2", kill_on_drop: false }`
[INFO] [stdout] 00e7bbffe6ad6faa239900766e9be06c7b1263d7409229b39f8bb496d440e9e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 23fd6572c991a10078e39a6703d60044eee5b32c99af52af2939dcc4c9e7bcef
[INFO] running `Command { std: "docker" "start" "-a" "23fd6572c991a10078e39a6703d60044eee5b32c99af52af2939dcc4c9e7bcef", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling cachedb v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `expire`
[INFO] [stdout]   --> src/entry.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn expire(&mut self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expire`
[INFO] [stdout]    --> src/entry.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn expire(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::AtomicU64`
[INFO] [stdout]    --> src/lib.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 486 |     use std::sync::atomic::AtomicU64;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/lib.rs:481:1
[INFO] [stdout]     |
[INFO] [stdout] 481 | mod test {
[INFO] [stdout]     | ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expire`
[INFO] [stdout]   --> src/entry.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn expire(&mut self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expire`
[INFO] [stdout]    --> src/entry.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn expire(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.73s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/cachedb-fc712496bf6ad814)
[INFO] running `Command { std: "docker" "inspect" "23fd6572c991a10078e39a6703d60044eee5b32c99af52af2939dcc4c9e7bcef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23fd6572c991a10078e39a6703d60044eee5b32c99af52af2939dcc4c9e7bcef", kill_on_drop: false }`
[INFO] [stdout] 23fd6572c991a10078e39a6703d60044eee5b32c99af52af2939dcc4c9e7bcef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 458411168b40bb9fd90e8be5f9e520e0ecb81202d91d1f379b1badd2159d8f29
[INFO] running `Command { std: "docker" "start" "-a" "458411168b40bb9fd90e8be5f9e520e0ecb81202d91d1f379b1badd2159d8f29", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr] warning: associated function is never used: `expire`
[INFO] [stderr]   --> src/entry.rs:94:8
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn expire(&mut self) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `expire`
[INFO] [stderr]    --> src/entry.rs:137:8
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn expire(&mut self) {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cachedb` (lib) generated 2 warnings
[INFO] [stderr] warning: unused import: `std::sync::atomic::AtomicU64`
[INFO] [stderr]    --> src/lib.rs:486:9
[INFO] [stderr]     |
[INFO] [stderr] 486 |     use std::sync::atomic::AtomicU64;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]    --> src/lib.rs:481:1
[INFO] [stderr]     |
[INFO] [stderr] 481 | mod test {
[INFO] [stderr]     | ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cachedb` (lib test) generated 3 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cachedb-fc712496bf6ad814)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test::create ... ok
[INFO] [stdout] test test::insert_foobar ... ok
[INFO] [stdout] test test::recursivelocks ... ok
[INFO] [stdout] test test::mutate ... ok
[INFO] [stdout] test test::insert_unit ... ok
[INFO] [stdout] test test::insert_mutate ... ok
[INFO] [stdout] test test::insert_foobar_onebucket ... ok
[INFO] [stdout] test test::trylocks ... ok
[INFO] [stdout] test test::multithreaded_stress ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cachedb
[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" "458411168b40bb9fd90e8be5f9e520e0ecb81202d91d1f379b1badd2159d8f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "458411168b40bb9fd90e8be5f9e520e0ecb81202d91d1f379b1badd2159d8f29", kill_on_drop: false }`
[INFO] [stdout] 458411168b40bb9fd90e8be5f9e520e0ecb81202d91d1f379b1badd2159d8f29