[INFO] fetching crate deep_safe_drop 0.0.3...
[INFO] testing deep_safe_drop-0.0.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate deep_safe_drop 0.0.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate deep_safe_drop 0.0.3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate deep_safe_drop 0.0.3
[INFO] finished tweaking crates.io crate deep_safe_drop 0.0.3
[INFO] tweaked toml for crates.io crate deep_safe_drop 0.0.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17a1eec230f26facbd91a0674ccf5476f3f3ed397b011dd34f1733597e9d9381
[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" "17a1eec230f26facbd91a0674ccf5476f3f3ed397b011dd34f1733597e9d9381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17a1eec230f26facbd91a0674ccf5476f3f3ed397b011dd34f1733597e9d9381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a1eec230f26facbd91a0674ccf5476f3f3ed397b011dd34f1733597e9d9381", kill_on_drop: false }`
[INFO] [stdout] 17a1eec230f26facbd91a0674ccf5476f3f3ed397b011dd34f1733597e9d9381
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 0e3bea8f71911aa66e6b06cd02dec04869226d2a635feb21baa1764117f42d76
[INFO] running `Command { std: "docker" "start" "-a" "0e3bea8f71911aa66e6b06cd02dec04869226d2a635feb21baa1764117f42d76", kill_on_drop: false }`
[INFO] [stderr]    Compiling deep_safe_drop v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "0e3bea8f71911aa66e6b06cd02dec04869226d2a635feb21baa1764117f42d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e3bea8f71911aa66e6b06cd02dec04869226d2a635feb21baa1764117f42d76", kill_on_drop: false }`
[INFO] [stdout] 0e3bea8f71911aa66e6b06cd02dec04869226d2a635feb21baa1764117f42d76
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 538f1fbf969bc7c0c313b243044631eaf8285795d1509cc53f713ed486d6cfe0
[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" "538f1fbf969bc7c0c313b243044631eaf8285795d1509cc53f713ed486d6cfe0", kill_on_drop: false }`
[INFO] [stderr]    Compiling deep_safe_drop v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "538f1fbf969bc7c0c313b243044631eaf8285795d1509cc53f713ed486d6cfe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "538f1fbf969bc7c0c313b243044631eaf8285795d1509cc53f713ed486d6cfe0", kill_on_drop: false }`
[INFO] [stdout] 538f1fbf969bc7c0c313b243044631eaf8285795d1509cc53f713ed486d6cfe0
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 889665ec061feb87a98a583c3462611afa71e4c5b030ac456a27274ed8c63b08
[INFO] running `Command { std: "docker" "start" "-a" "889665ec061feb87a98a583c3462611afa71e4c5b030ac456a27274ed8c63b08", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/deep_safe_drop-961227eb1f7afb19
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::dyn_trait::stack_overflow ... ignored
[INFO] [stdout] test tests::list::stack_overflow ... ignored
[INFO] [stdout] test tests::binary_tree::exercise ... ok
[INFO] [stdout] test tests::list::no_stack_overflow ... ok
[INFO] [stdout] test tests::dyn_trait::no_stack_overflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 1.70s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests deep_safe_drop
[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" "889665ec061feb87a98a583c3462611afa71e4c5b030ac456a27274ed8c63b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "889665ec061feb87a98a583c3462611afa71e4c5b030ac456a27274ed8c63b08", kill_on_drop: false }`
[INFO] [stdout] 889665ec061feb87a98a583c3462611afa71e4c5b030ac456a27274ed8c63b08