[INFO] cloning repository https://github.com/hderms/Snowdrift
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hderms/Snowdrift" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhderms%2FSnowdrift", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhderms%2FSnowdrift'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ccab082aa438d73d4a9a868b3860a123e998f92
[INFO] testing hderms/Snowdrift against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhderms%2FSnowdrift" "/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/hderms/Snowdrift 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] started tweaking git repo https://github.com/hderms/Snowdrift
[INFO] finished tweaking git repo https://github.com/hderms/Snowdrift
[INFO] tweaked toml for git repo https://github.com/hderms/Snowdrift written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hderms/Snowdrift 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] 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f76c1c3b2966ae0eee0818771bd8ffba2a8776ae6c8638ce23ec336436a036ef
[INFO] running `Command { std: "docker" "start" "-a" "f76c1c3b2966ae0eee0818771bd8ffba2a8776ae6c8638ce23ec336436a036ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f76c1c3b2966ae0eee0818771bd8ffba2a8776ae6c8638ce23ec336436a036ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76c1c3b2966ae0eee0818771bd8ffba2a8776ae6c8638ce23ec336436a036ef", kill_on_drop: false }`
[INFO] [stdout] f76c1c3b2966ae0eee0818771bd8ffba2a8776ae6c8638ce23ec336436a036ef
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c8b17c379cdd1828a358b2efbc921c83f9ab4b37e94477236245526ba707c361
[INFO] running `Command { std: "docker" "start" "-a" "c8b17c379cdd1828a358b2efbc921c83f9ab4b37e94477236245526ba707c361", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling http-body v0.4.1
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling pin-project v1.0.6
[INFO] [stderr]    Compiling tokio-util v0.6.5
[INFO] [stderr]    Compiling h2 v0.3.2
[INFO] [stderr]    Compiling hyper v0.14.4
[INFO] [stderr]    Compiling snowdrift v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `to_parts`
[INFO] [stdout]   --> src/id_generator.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn to_parts(&self) -> (u64, u16, u16) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "c8b17c379cdd1828a358b2efbc921c83f9ab4b37e94477236245526ba707c361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b17c379cdd1828a358b2efbc921c83f9ab4b37e94477236245526ba707c361", kill_on_drop: false }`
[INFO] [stdout] c8b17c379cdd1828a358b2efbc921c83f9ab4b37e94477236245526ba707c361
[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] ea0613b344ab2aeb997f45770235783557a4c4587805c2a6bdcc857ae9236bed
[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" "ea0613b344ab2aeb997f45770235783557a4c4587805c2a6bdcc857ae9236bed", kill_on_drop: false }`
[INFO] [stderr]    Compiling snowdrift v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "ea0613b344ab2aeb997f45770235783557a4c4587805c2a6bdcc857ae9236bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0613b344ab2aeb997f45770235783557a4c4587805c2a6bdcc857ae9236bed", kill_on_drop: false }`
[INFO] [stdout] ea0613b344ab2aeb997f45770235783557a4c4587805c2a6bdcc857ae9236bed
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c7c9447c3cd3532b36e84df57e7079e073fb4c475f358b9912e901eed49cae6
[INFO] running `Command { std: "docker" "start" "-a" "2c7c9447c3cd3532b36e84df57e7079e073fb4c475f358b9912e901eed49cae6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snowdrift-8670207e4be3db9b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test id_generator::tests::it_is_packed_if_all_constituent_parts_are_packed ... ok
[INFO] [stdout] test id_generator::tests::it_handles_other_cases ... ok
[INFO] [stdout] test id_generator::tests::it_is_empty_if_all_numbers_are_empty ... ok
[INFO] [stdout] test id_generator::tests::it_doesnt_throw_away_information ... ok
[INFO] [stdout] test worker::tests::it_increments_if_no_time_has_passed ... ok
[INFO] [stdout] test worker::tests::it_resets_if_time_has_passed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c7c9447c3cd3532b36e84df57e7079e073fb4c475f358b9912e901eed49cae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c7c9447c3cd3532b36e84df57e7079e073fb4c475f358b9912e901eed49cae6", kill_on_drop: false }`
[INFO] [stdout] 2c7c9447c3cd3532b36e84df57e7079e073fb4c475f358b9912e901eed49cae6