[INFO] fetching crate plugin 0.2.6...
[INFO] testing plugin-0.2.6 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate plugin 0.2.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate plugin 0.2.6 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 plugin 0.2.6
[INFO] finished tweaking crates.io crate plugin 0.2.6
[INFO] tweaked toml for crates.io crate plugin 0.2.6 written to /workspace/builds/worker-4/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-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" "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] dc986464e440e6aee655919dc71e5e4d35c2cdd9da9c03723e1a3f85d16d01af
[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" "dc986464e440e6aee655919dc71e5e4d35c2cdd9da9c03723e1a3f85d16d01af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc986464e440e6aee655919dc71e5e4d35c2cdd9da9c03723e1a3f85d16d01af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc986464e440e6aee655919dc71e5e4d35c2cdd9da9c03723e1a3f85d16d01af", kill_on_drop: false }`
[INFO] [stdout] dc986464e440e6aee655919dc71e5e4d35c2cdd9da9c03723e1a3f85d16d01af
[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" "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] b1f48489530b5c44fe542ee899bacafdd2f8a89181054e12fb43e862c2d05990
[INFO] running `Command { std: "docker" "start" "-a" "b1f48489530b5c44fe542ee899bacafdd2f8a89181054e12fb43e862c2d05990", kill_on_drop: false }`
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling plugin v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "b1f48489530b5c44fe542ee899bacafdd2f8a89181054e12fb43e862c2d05990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1f48489530b5c44fe542ee899bacafdd2f8a89181054e12fb43e862c2d05990", kill_on_drop: false }`
[INFO] [stdout] b1f48489530b5c44fe542ee899bacafdd2f8a89181054e12fb43e862c2d05990
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0c30879f9a5ce51a0f8d08ee3d1ef97c6f6046e025ce01692d24840a11ac735d
[INFO] running `Command { std: "docker" "start" "-a" "0c30879f9a5ce51a0f8d08ee3d1ef97c6f6046e025ce01692d24840a11ac735d", kill_on_drop: false }`
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling plugin v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "0c30879f9a5ce51a0f8d08ee3d1ef97c6f6046e025ce01692d24840a11ac735d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c30879f9a5ce51a0f8d08ee3d1ef97c6f6046e025ce01692d24840a11ac735d", kill_on_drop: false }`
[INFO] [stdout] 0c30879f9a5ce51a0f8d08ee3d1ef97c6f6046e025ce01692d24840a11ac735d
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6054f1fece0e70e2e0adee5c5feef26a01c8363c221e6e5170c8b11bee003792
[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" "6054f1fece0e70e2e0adee5c5feef26a01c8363c221e6e5170c8b11bee003792", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/plugin-66a0739177280ca8
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::test_custom_return_type ... ok
[INFO] [stderr]    Doc-tests plugin
[INFO] [stdout] test test::test_simple ... ok
[INFO] [stdout] test test::test_resize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "6054f1fece0e70e2e0adee5c5feef26a01c8363c221e6e5170c8b11bee003792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6054f1fece0e70e2e0adee5c5feef26a01c8363c221e6e5170c8b11bee003792", kill_on_drop: false }`
[INFO] [stdout] 6054f1fece0e70e2e0adee5c5feef26a01c8363c221e6e5170c8b11bee003792