[INFO] fetching crate thunderdome 0.4.0...
[INFO] testing thunderdome-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate thunderdome 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate thunderdome 0.4.0 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] started tweaking crates.io crate thunderdome 0.4.0
[INFO] finished tweaking crates.io crate thunderdome 0.4.0
[INFO] tweaked toml for crates.io crate thunderdome 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d20fb96e52ccd0239d66f12efcf50c47276996403fac9ab9b4ccf9d91ef7bb4f
[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" "d20fb96e52ccd0239d66f12efcf50c47276996403fac9ab9b4ccf9d91ef7bb4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d20fb96e52ccd0239d66f12efcf50c47276996403fac9ab9b4ccf9d91ef7bb4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20fb96e52ccd0239d66f12efcf50c47276996403fac9ab9b4ccf9d91ef7bb4f", kill_on_drop: false }`
[INFO] [stdout] d20fb96e52ccd0239d66f12efcf50c47276996403fac9ab9b4ccf9d91ef7bb4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4735a253a4f62c69f0058d25b67120067ce41f9af42d48e2fd2cf8e51c3858a
[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" "f4735a253a4f62c69f0058d25b67120067ce41f9af42d48e2fd2cf8e51c3858a", kill_on_drop: false }`
[INFO] [stderr]    Compiling thunderdome v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "f4735a253a4f62c69f0058d25b67120067ce41f9af42d48e2fd2cf8e51c3858a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4735a253a4f62c69f0058d25b67120067ce41f9af42d48e2fd2cf8e51c3858a", kill_on_drop: false }`
[INFO] [stdout] f4735a253a4f62c69f0058d25b67120067ce41f9af42d48e2fd2cf8e51c3858a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 306e6efab6268ba3a2dd157b7822e9f35668a07af211993c622ccc6fda91b564
[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" "306e6efab6268ba3a2dd157b7822e9f35668a07af211993c622ccc6fda91b564", kill_on_drop: false }`
[INFO] [stderr]    Compiling thunderdome v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "306e6efab6268ba3a2dd157b7822e9f35668a07af211993c622ccc6fda91b564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "306e6efab6268ba3a2dd157b7822e9f35668a07af211993c622ccc6fda91b564", kill_on_drop: false }`
[INFO] [stdout] 306e6efab6268ba3a2dd157b7822e9f35668a07af211993c622ccc6fda91b564
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f6545fb31417c2eada2aa672b6a51ace6d2b136449a9b6800850822458f4562
[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" "7f6545fb31417c2eada2aa672b6a51ace6d2b136449a9b6800850822458f4562", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 20 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/thunderdome-48a68bf1b6cb0282
[INFO] [stdout] test arena::test::get_mut ... ok
[INFO] [stdout] test arena::test::invalidate ... ok
[INFO] [stdout] test arena::test::new ... ok
[INFO] [stdout] test arena::test::retain ... ok
[INFO] [stdout] test arena::test::index_bits_roundtrip ... ok
[INFO] [stdout] test arena::test::size_of_index ... ok
[INFO] [stdout] test generation::test::wrap_on_overflow ... ok
[INFO] [stdout] test arena::test::with_capacity ... ok
[INFO] [stdout] test arena::test::insert_remove_get ... ok
[INFO] [stdout] test iter_mut::test::iter_mut ... ok
[INFO] [stdout] test generation::test::first_and_next ... ok
[INFO] [stdout] test arena::test::insert_and_get ... ok
[INFO] [stdout] test drain::test::drain ... ok
[INFO] [stdout] test arena::test::insert_remove_get_by_slot ... ok
[INFO] [stdout] test into_iter::test::into_iter ... ok
[INFO] [stdout] test arena::test::insert_remove_insert_capacity ... ok
[INFO] [stdout] test iter::test::iter ... ok
[INFO] [stdout] test free_pointer::test::from_slot ... ok
[INFO] [stderr]    Doc-tests thunderdome
[INFO] [stdout] test free_pointer::test::panic_on_overflow ... ok
[INFO] [stdout] test arena::test::index_bits_panic_on_zero_generation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f6545fb31417c2eada2aa672b6a51ace6d2b136449a9b6800850822458f4562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6545fb31417c2eada2aa672b6a51ace6d2b136449a9b6800850822458f4562", kill_on_drop: false }`
[INFO] [stdout] 7f6545fb31417c2eada2aa672b6a51ace6d2b136449a9b6800850822458f4562