[INFO] cloning repository https://github.com/nebula-technologies/singleton-manager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nebula-technologies/singleton-manager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnebula-technologies%2Fsingleton-manager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnebula-technologies%2Fsingleton-manager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e233ee937d2ec3d5bc78a8a42f8f2890879eeb5
[INFO] testing nebula-technologies/singleton-manager against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnebula-technologies%2Fsingleton-manager" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nebula-technologies/singleton-manager on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/nebula-technologies/singleton-manager
[INFO] finished tweaking git repo https://github.com/nebula-technologies/singleton-manager
[INFO] tweaked toml for git repo https://github.com/nebula-technologies/singleton-manager written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nebula-technologies/singleton-manager already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.uuid.versio
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36e6b89ccb786a5c974cc6285f881eaf4c02a3e60cb097fe5eafa899f6c5c695
[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" "36e6b89ccb786a5c974cc6285f881eaf4c02a3e60cb097fe5eafa899f6c5c695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36e6b89ccb786a5c974cc6285f881eaf4c02a3e60cb097fe5eafa899f6c5c695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36e6b89ccb786a5c974cc6285f881eaf4c02a3e60cb097fe5eafa899f6c5c695", kill_on_drop: false }`
[INFO] [stdout] 36e6b89ccb786a5c974cc6285f881eaf4c02a3e60cb097fe5eafa899f6c5c695
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60b5b3327272bfeb827b46fb5b1be8a314dd69d9e77ed658510632b905eac333
[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" "60b5b3327272bfeb827b46fb5b1be8a314dd69d9e77ed658510632b905eac333", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.uuid.versio
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling singleton-manager v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `Command { std: "docker" "inspect" "60b5b3327272bfeb827b46fb5b1be8a314dd69d9e77ed658510632b905eac333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60b5b3327272bfeb827b46fb5b1be8a314dd69d9e77ed658510632b905eac333", kill_on_drop: false }`
[INFO] [stdout] 60b5b3327272bfeb827b46fb5b1be8a314dd69d9e77ed658510632b905eac333
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe7d1288f7a737f059c3d31f89a61710cdb07e8682b79992fc92a87766eb4d5e
[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" "fe7d1288f7a737f059c3d31f89a61710cdb07e8682b79992fc92a87766eb4d5e", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.uuid.versio
[INFO] [stderr]    Compiling singleton-manager v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "fe7d1288f7a737f059c3d31f89a61710cdb07e8682b79992fc92a87766eb4d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe7d1288f7a737f059c3d31f89a61710cdb07e8682b79992fc92a87766eb4d5e", kill_on_drop: false }`
[INFO] [stdout] fe7d1288f7a737f059c3d31f89a61710cdb07e8682b79992fc92a87766eb4d5e
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca8625fe2385d4df0167061a6956ca868ab35f542dd4a77f9f1fffddf266230a
[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" "ca8625fe2385d4df0167061a6956ca868ab35f542dd4a77f9f1fffddf266230a", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.uuid.versio
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/singleton_manager-dde8d35d0474d7ef)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test::test_downcast ... ok
[INFO] [stderr]    Doc-tests singleton-manager
[INFO] [stdout] test test::set_get_singleton ... ok
[INFO] [stdout] test test::test_setting_and_getting_from_example ... ok
[INFO] [stdout] test test::test_setting_and_getting_from_example_factory ... ok
[INFO] [stdout] test test::set_singleton ... ok
[INFO] [stdout] test test::test_instance ... ok
[INFO] [stdout] test test::test_setting_and_getting_from_example_default_factory ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - SingletonManager::instance (line 167) ... ok
[INFO] [stdout] test src/lib.rs - Error (line 131) ... ok
[INFO] [stdout] test src/lib.rs - SingletonManager::provide (line 196) ... ok
[INFO] [stdout] test src/lib.rs - SingletonManager::get (line 281) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ca8625fe2385d4df0167061a6956ca868ab35f542dd4a77f9f1fffddf266230a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca8625fe2385d4df0167061a6956ca868ab35f542dd4a77f9f1fffddf266230a", kill_on_drop: false }`
[INFO] [stdout] ca8625fe2385d4df0167061a6956ca868ab35f542dd4a77f9f1fffddf266230a