[INFO] fetching crate logical_clock 0.1.3...
[INFO] testing logical_clock-0.1.3 against 1.60.0 for beta-1.61-1
[INFO] extracting crate logical_clock 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate logical_clock 0.1.3 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate logical_clock 0.1.3
[INFO] finished tweaking crates.io crate logical_clock 0.1.3
[INFO] tweaked toml for crates.io crate logical_clock 0.1.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate logical_clock 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nanoid v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 153105a9823d754f2a403f97b8d85bf1bce3e7eab92815f9ab45de5ff174a805
[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" "153105a9823d754f2a403f97b8d85bf1bce3e7eab92815f9ab45de5ff174a805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "153105a9823d754f2a403f97b8d85bf1bce3e7eab92815f9ab45de5ff174a805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153105a9823d754f2a403f97b8d85bf1bce3e7eab92815f9ab45de5ff174a805", kill_on_drop: false }`
[INFO] [stdout] 153105a9823d754f2a403f97b8d85bf1bce3e7eab92815f9ab45de5ff174a805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] dbb9f27f728f4ef4e164d777ecfc9f1ad5ca5f26c12753816b3a37a8f943daf1
[INFO] running `Command { std: "docker" "start" "-a" "dbb9f27f728f4ef4e164d777ecfc9f1ad5ca5f26c12753816b3a37a8f943daf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling nanoid v0.2.0
[INFO] [stderr]    Compiling logical_clock v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.61s
[INFO] running `Command { std: "docker" "inspect" "dbb9f27f728f4ef4e164d777ecfc9f1ad5ca5f26c12753816b3a37a8f943daf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb9f27f728f4ef4e164d777ecfc9f1ad5ca5f26c12753816b3a37a8f943daf1", kill_on_drop: false }`
[INFO] [stdout] dbb9f27f728f4ef4e164d777ecfc9f1ad5ca5f26c12753816b3a37a8f943daf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 05d07c7c16e8d0f5e348e3d5369fcef4b0a9caa5eab8e3366e8a5380a9b3c81f
[INFO] running `Command { std: "docker" "start" "-a" "05d07c7c16e8d0f5e348e3d5369fcef4b0a9caa5eab8e3366e8a5380a9b3c81f", kill_on_drop: false }`
[INFO] [stderr]    Compiling logical_clock v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]  --> examples/kv.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     val:i64,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Value` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> examples/kv.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Clone, Debug)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "05d07c7c16e8d0f5e348e3d5369fcef4b0a9caa5eab8e3366e8a5380a9b3c81f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d07c7c16e8d0f5e348e3d5369fcef4b0a9caa5eab8e3366e8a5380a9b3c81f", kill_on_drop: false }`
[INFO] [stdout] 05d07c7c16e8d0f5e348e3d5369fcef4b0a9caa5eab8e3366e8a5380a9b3c81f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4437d49007f2160abfea0ac8e380313cf7930359576a3d0e4f3bd4fc14c5ce6b
[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" "4437d49007f2160abfea0ac8e380313cf7930359576a3d0e4f3bd4fc14c5ce6b", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `val`
[INFO] [stderr]  --> examples/kv.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     val:i64,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Value` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]  --> examples/kv.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Clone, Debug)]
[INFO] [stderr]   |          ^^^^^  ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `logical_clock` (example "kv") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/logical_clock-3eb5db5824b50339)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test dvv::test_descends_dot ... ok
[INFO] [stdout] test dvv::test_get_dot ... ok
[INFO] [stdout] test dvv::test_vv_merge ... ok
[INFO] [stdout] test dvv::test_vv_new ... ok
[INFO] [stdout] test dvv::test_vv_concurrent ... ok
[INFO] [stdout] test vclock::test_vv_happened_before ... ok
[INFO] [stdout] test dvv::test_vv_descends ... ok
[INFO] [stdout] test vclock::test_vv_merge ... ok
[INFO] [stdout] test vclock::test_vv_new ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test vclock::test_vv_concurrent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests logical_clock
[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" "4437d49007f2160abfea0ac8e380313cf7930359576a3d0e4f3bd4fc14c5ce6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4437d49007f2160abfea0ac8e380313cf7930359576a3d0e4f3bd4fc14c5ce6b", kill_on_drop: false }`
[INFO] [stdout] 4437d49007f2160abfea0ac8e380313cf7930359576a3d0e4f3bd4fc14c5ce6b