[INFO] cloning repository https://github.com/Michael-F-Bryan/thin-trait-objects
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Michael-F-Bryan/thin-trait-objects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fthin-trait-objects", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fthin-trait-objects'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 887662e4ca5b3fbe7965bb1019756b5f4e452222
[INFO] testing Michael-F-Bryan/thin-trait-objects against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fthin-trait-objects" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Michael-F-Bryan/thin-trait-objects 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 git repo https://github.com/Michael-F-Bryan/thin-trait-objects
[INFO] finished tweaking git repo https://github.com/Michael-F-Bryan/thin-trait-objects
[INFO] tweaked toml for git repo https://github.com/Michael-F-Bryan/thin-trait-objects written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Michael-F-Bryan/thin-trait-objects 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-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] a25b07e48be1b8c85d587301d98645ad3f21f85b2def9d2b1f69ca00fd3c1b9b
[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" "a25b07e48be1b8c85d587301d98645ad3f21f85b2def9d2b1f69ca00fd3c1b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a25b07e48be1b8c85d587301d98645ad3f21f85b2def9d2b1f69ca00fd3c1b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a25b07e48be1b8c85d587301d98645ad3f21f85b2def9d2b1f69ca00fd3c1b9b", kill_on_drop: false }`
[INFO] [stdout] a25b07e48be1b8c85d587301d98645ad3f21f85b2def9d2b1f69ca00fd3c1b9b
[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] 9fd6b1bf44d6345a120740c2c9a07eb90713c6ccd2a8cd3a3cc991cf620d03f2
[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" "9fd6b1bf44d6345a120740c2c9a07eb90713c6ccd2a8cd3a3cc991cf620d03f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling thin-trait-objects v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "9fd6b1bf44d6345a120740c2c9a07eb90713c6ccd2a8cd3a3cc991cf620d03f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd6b1bf44d6345a120740c2c9a07eb90713c6ccd2a8cd3a3cc991cf620d03f2", kill_on_drop: false }`
[INFO] [stdout] 9fd6b1bf44d6345a120740c2c9a07eb90713c6ccd2a8cd3a3cc991cf620d03f2
[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] c31c8251810a1df883fdc1befb95c94836cead0fb5093baa61fc316258b5e35f
[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" "c31c8251810a1df883fdc1befb95c94836cead0fb5093baa61fc316258b5e35f", kill_on_drop: false }`
[INFO] [stderr]    Compiling thin-trait-objects v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "c31c8251810a1df883fdc1befb95c94836cead0fb5093baa61fc316258b5e35f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c31c8251810a1df883fdc1befb95c94836cead0fb5093baa61fc316258b5e35f", kill_on_drop: false }`
[INFO] [stdout] c31c8251810a1df883fdc1befb95c94836cead0fb5093baa61fc316258b5e35f
[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] 75d4ffd1e28f9273ccc490cd2fc1f75fe83b7ec9313bc46855e9b245329cffad
[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" "75d4ffd1e28f9273ccc490cd2fc1f75fe83b7ec9313bc46855e9b245329cffad", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test ffi::tests::detect_failed_write ... ok
[INFO] [stdout] test external::tests::create_an_external_file_handle_and_initialize_it ... ok
[INFO] [stdout] test owned::tests::downcast_owned_doesnt_destroy_twice ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/thin_trait_objects-8e7bd463fce952e2
[INFO] [stdout] test ffi::tests::write_to_shared_buffer ... ok
[INFO] [stdout] test ffi::tests::writer_destructor_is_always_called ... ok
[INFO] [stdout] test ffi::tests::create_null_file_handle_and_destroy_it ... ok
[INFO] [stdout] test owned::tests::downcast_ref ... ok
[INFO] [stdout] test owned::tests::downcast_mut ... ok
[INFO] [stderr]    Doc-tests thin-trait-objects
[INFO] [stdout] test owned::tests::owned_handle_poisons_on_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/owned.rs - owned::OwnedFileHandle (line 12) ... 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" "75d4ffd1e28f9273ccc490cd2fc1f75fe83b7ec9313bc46855e9b245329cffad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d4ffd1e28f9273ccc490cd2fc1f75fe83b7ec9313bc46855e9b245329cffad", kill_on_drop: false }`
[INFO] [stdout] 75d4ffd1e28f9273ccc490cd2fc1f75fe83b7ec9313bc46855e9b245329cffad