[INFO] fetching crate concurrent-kv 0.2.1...
[INFO] testing concurrent-kv-0.2.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate concurrent-kv 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate concurrent-kv 0.2.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77897dc9c4abdb46b886ab415ecae1908a15f784b75ee3d9a21692494977f3f4
[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" "77897dc9c4abdb46b886ab415ecae1908a15f784b75ee3d9a21692494977f3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77897dc9c4abdb46b886ab415ecae1908a15f784b75ee3d9a21692494977f3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77897dc9c4abdb46b886ab415ecae1908a15f784b75ee3d9a21692494977f3f4", kill_on_drop: false }`
[INFO] [stdout] 77897dc9c4abdb46b886ab415ecae1908a15f784b75ee3d9a21692494977f3f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f024407d91bf44f8bb9d36d1ba1fbaea77374ee204d6aa25bc0cd6ac7360e41a
[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" "f024407d91bf44f8bb9d36d1ba1fbaea77374ee204d6aa25bc0cd6ac7360e41a", 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 0.98s
[INFO] running `Command { std: "docker" "inspect" "f024407d91bf44f8bb9d36d1ba1fbaea77374ee204d6aa25bc0cd6ac7360e41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f024407d91bf44f8bb9d36d1ba1fbaea77374ee204d6aa25bc0cd6ac7360e41a", kill_on_drop: false }`
[INFO] [stdout] f024407d91bf44f8bb9d36d1ba1fbaea77374ee204d6aa25bc0cd6ac7360e41a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7091d3ea64c2ec6f17ea0d5772e299fa64c2235d80fdcf3fe53cc89b4ba1b684
[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" "7091d3ea64c2ec6f17ea0d5772e299fa64c2235d80fdcf3fe53cc89b4ba1b684", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrent-kv v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "7091d3ea64c2ec6f17ea0d5772e299fa64c2235d80fdcf3fe53cc89b4ba1b684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7091d3ea64c2ec6f17ea0d5772e299fa64c2235d80fdcf3fe53cc89b4ba1b684", kill_on_drop: false }`
[INFO] [stdout] 7091d3ea64c2ec6f17ea0d5772e299fa64c2235d80fdcf3fe53cc89b4ba1b684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] ad33bdb175024e5f6ce0f5c22dded5fd8ab227149bdcbe8ee86065965486598e
[INFO] running `Command { std: "docker" "start" "-a" "ad33bdb175024e5f6ce0f5c22dded5fd8ab227149bdcbe8ee86065965486598e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/concurrent_kv-a4d8f35971fddb3c)
[INFO] [stdout] test tests::basic ... ok
[INFO] [stderr]    Doc-tests concurrent-kv
[INFO] [stdout] test tests::old_value_insert_new_key ... ok
[INFO] [stdout] test tests::old_value_replace_same_key ... ok
[INFO] [stdout] test tests::render_all_values ... 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 1.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad33bdb175024e5f6ce0f5c22dded5fd8ab227149bdcbe8ee86065965486598e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad33bdb175024e5f6ce0f5c22dded5fd8ab227149bdcbe8ee86065965486598e", kill_on_drop: false }`
[INFO] [stdout] ad33bdb175024e5f6ce0f5c22dded5fd8ab227149bdcbe8ee86065965486598e