[INFO] fetching crate allo-isolate 0.1.8-beta...
[INFO] testing allo-isolate-0.1.8-beta against 1.49.0 for beta-1.50-1
[INFO] extracting crate allo-isolate 0.1.8-beta into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate allo-isolate 0.1.8-beta on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config
[INFO] started tweaking crates.io crate allo-isolate 0.1.8-beta
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate allo-isolate 0.1.8-beta
[INFO] tweaked toml for crates.io crate allo-isolate 0.1.8-beta written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate allo-isolate 0.1.8-beta already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 238e97b6a467cd9039f2fce1e30c9c9aeebc595768e88f104c0c227e6ce93687
[INFO] running `Command { std: "docker" "start" "-a" "238e97b6a467cd9039f2fce1e30c9c9aeebc595768e88f104c0c227e6ce93687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "238e97b6a467cd9039f2fce1e30c9c9aeebc595768e88f104c0c227e6ce93687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "238e97b6a467cd9039f2fce1e30c9c9aeebc595768e88f104c0c227e6ce93687", kill_on_drop: false }`
[INFO] [stdout] 238e97b6a467cd9039f2fce1e30c9c9aeebc595768e88f104c0c227e6ce93687
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 9dd6ff22602f9ed83441e19f0e241cf3f01d2bb834ae46fa05fb39e1fc984506
[INFO] running `Command { std: "docker" "start" "-a" "9dd6ff22602f9ed83441e19f0e241cf3f01d2bb834ae46fa05fb39e1fc984506", kill_on_drop: false }`
[INFO] [stderr]    Compiling allo-isolate v0.1.8-beta (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "9dd6ff22602f9ed83441e19f0e241cf3f01d2bb834ae46fa05fb39e1fc984506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd6ff22602f9ed83441e19f0e241cf3f01d2bb834ae46fa05fb39e1fc984506", kill_on_drop: false }`
[INFO] [stdout] 9dd6ff22602f9ed83441e19f0e241cf3f01d2bb834ae46fa05fb39e1fc984506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 7a3ec27aaafbf4967c8542ebe6be5c044c3a7a5928debbc19d0661d522e4bbde
[INFO] running `Command { std: "docker" "start" "-a" "7a3ec27aaafbf4967c8542ebe6be5c044c3a7a5928debbc19d0661d522e4bbde", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v1.3.3
[INFO] [stderr]    Compiling allo-isolate v0.1.8-beta (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "7a3ec27aaafbf4967c8542ebe6be5c044c3a7a5928debbc19d0661d522e4bbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a3ec27aaafbf4967c8542ebe6be5c044c3a7a5928debbc19d0661d522e4bbde", kill_on_drop: false }`
[INFO] [stdout] 7a3ec27aaafbf4967c8542ebe6be5c044c3a7a5928debbc19d0661d522e4bbde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d945ca5714d26f576f959aba3279607053f69c6a5f18969adb46d117b89428dc
[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" "d945ca5714d26f576f959aba3279607053f69c6a5f18969adb46d117b89428dc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/allo_isolate-f2969c30258cc780
[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] [stderr]    Doc-tests allo-isolate
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Isolate::task (line 144) ... ignored
[INFO] [stdout] test src/lib.rs - Isolate::post (line 109) ... ok
[INFO] [stdout] test src/lib.rs - Isolate::new (line 92) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d945ca5714d26f576f959aba3279607053f69c6a5f18969adb46d117b89428dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d945ca5714d26f576f959aba3279607053f69c6a5f18969adb46d117b89428dc", kill_on_drop: false }`
[INFO] [stdout] d945ca5714d26f576f959aba3279607053f69c6a5f18969adb46d117b89428dc