[INFO] fetching crate concurrent-kv 0.2.1...
[INFO] testing concurrent-kv-0.2.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate concurrent-kv 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate concurrent-kv 0.2.1 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] started tweaking crates.io crate concurrent-kv 0.2.1
[INFO] finished tweaking crates.io crate concurrent-kv 0.2.1
[INFO] tweaked toml for crates.io crate concurrent-kv 0.2.1 written to /workspace/builds/worker-4/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] 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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 273d736330598054752d145f9af1cb5d884ef17c4c318e0451fa16cb6b75a177
[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" "273d736330598054752d145f9af1cb5d884ef17c4c318e0451fa16cb6b75a177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "273d736330598054752d145f9af1cb5d884ef17c4c318e0451fa16cb6b75a177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "273d736330598054752d145f9af1cb5d884ef17c4c318e0451fa16cb6b75a177", kill_on_drop: false }`
[INFO] [stdout] 273d736330598054752d145f9af1cb5d884ef17c4c318e0451fa16cb6b75a177
[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: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] 059cecb879a856a1d0a14de03856dc3dd8d9e4f91502fe0c414b4b24898aece8
[INFO] running `Command { std: "docker" "start" "-a" "059cecb879a856a1d0a14de03856dc3dd8d9e4f91502fe0c414b4b24898aece8", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling concurrent-kv v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "059cecb879a856a1d0a14de03856dc3dd8d9e4f91502fe0c414b4b24898aece8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "059cecb879a856a1d0a14de03856dc3dd8d9e4f91502fe0c414b4b24898aece8", kill_on_drop: false }`
[INFO] [stdout] 059cecb879a856a1d0a14de03856dc3dd8d9e4f91502fe0c414b4b24898aece8
[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: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] 83367b4f577ebbd88f8a24315611d43166890b2732f036e68b913553d86fc661
[INFO] running `Command { std: "docker" "start" "-a" "83367b4f577ebbd88f8a24315611d43166890b2732f036e68b913553d86fc661", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrent-kv v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/concurrent_kv-a4d8f35971fddb3c)
[INFO] running `Command { std: "docker" "inspect" "83367b4f577ebbd88f8a24315611d43166890b2732f036e68b913553d86fc661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83367b4f577ebbd88f8a24315611d43166890b2732f036e68b913553d86fc661", kill_on_drop: false }`
[INFO] [stdout] 83367b4f577ebbd88f8a24315611d43166890b2732f036e68b913553d86fc661
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 03229d32e1feace604eb1aaa01b122b4450d3b1cf16ab96933cc3c7b570996c1
[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" "03229d32e1feace604eb1aaa01b122b4450d3b1cf16ab96933cc3c7b570996c1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/concurrent_kv-a4d8f35971fddb3c)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::old_value_insert_new_key ... ok
[INFO] [stdout] test tests::render_all_values ... ok
[INFO] [stderr]    Doc-tests concurrent-kv
[INFO] [stdout] test tests::old_value_replace_same_key ... ok
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "03229d32e1feace604eb1aaa01b122b4450d3b1cf16ab96933cc3c7b570996c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03229d32e1feace604eb1aaa01b122b4450d3b1cf16ab96933cc3c7b570996c1", kill_on_drop: false }`
[INFO] [stdout] 03229d32e1feace604eb1aaa01b122b4450d3b1cf16ab96933cc3c7b570996c1