[INFO] fetching crate logical_clock 0.1.3...
[INFO] testing logical_clock-0.1.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate logical_clock 0.1.3 into /workspace/builds/worker-7-tc2/source
[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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate logical_clock 0.1.3 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate logical_clock 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f1ff1477194c120b2a8c3596de48dae773f406410e0ac2206ff36fa44132725
[INFO] running `Command { std: "docker" "start" "-a" "1f1ff1477194c120b2a8c3596de48dae773f406410e0ac2206ff36fa44132725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f1ff1477194c120b2a8c3596de48dae773f406410e0ac2206ff36fa44132725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f1ff1477194c120b2a8c3596de48dae773f406410e0ac2206ff36fa44132725", kill_on_drop: false }`
[INFO] [stdout] 1f1ff1477194c120b2a8c3596de48dae773f406410e0ac2206ff36fa44132725
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c94f5359c2c13899b3c42c7a33b3ac2d242f96cac54e5dbb8a4f732f02a2c87
[INFO] running `Command { std: "docker" "start" "-a" "0c94f5359c2c13899b3c42c7a33b3ac2d242f96cac54e5dbb8a4f732f02a2c87", 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` profile [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "0c94f5359c2c13899b3c42c7a33b3ac2d242f96cac54e5dbb8a4f732f02a2c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c94f5359c2c13899b3c42c7a33b3ac2d242f96cac54e5dbb8a4f732f02a2c87", kill_on_drop: false }`
[INFO] [stdout] 0c94f5359c2c13899b3c42c7a33b3ac2d242f96cac54e5dbb8a4f732f02a2c87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dfb2eb71bc953610a533d4899fd39a4cff6db4844432d999c5e19c858d12132
[INFO] running `Command { std: "docker" "start" "-a" "7dfb2eb71bc953610a533d4899fd39a4cff6db4844432d999c5e19c858d12132", kill_on_drop: false }`
[INFO] [stderr]    Compiling logical_clock v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `val` is never read
[INFO] [stdout]  --> examples/kv.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Value{
[INFO] [stdout]   |        ----- field in this struct
[INFO] [stdout] 8 |     val:i64,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Value` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "7dfb2eb71bc953610a533d4899fd39a4cff6db4844432d999c5e19c858d12132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dfb2eb71bc953610a533d4899fd39a4cff6db4844432d999c5e19c858d12132", kill_on_drop: false }`
[INFO] [stdout] 7dfb2eb71bc953610a533d4899fd39a4cff6db4844432d999c5e19c858d12132
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b1d07924d691a93175a242240a37a33af2d89833202b366e52fd62a1eee3aa4
[INFO] running `Command { std: "docker" "start" "-a" "0b1d07924d691a93175a242240a37a33af2d89833202b366e52fd62a1eee3aa4", kill_on_drop: false }`
[INFO] [stderr] warning: field `val` is never read
[INFO] [stderr]  --> examples/kv.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Value{
[INFO] [stderr]   |        ----- field in this struct
[INFO] [stderr] 8 |     val:i64,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Value` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `logical_clock` (example "kv") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/logical_clock-c835df8713244f3e)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test dvv::test_descends_dot ... ok
[INFO] [stdout] test dvv::test_vv_concurrent ... ok
[INFO] [stdout] test dvv::test_vv_merge ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test dvv::test_vv_new ... ok
[INFO] [stdout] test dvv::test_vv_descends ... ok
[INFO] [stdout] test dvv::test_get_dot ... ok
[INFO] [stdout] test vclock::test_vv_concurrent ... ok
[INFO] [stdout] test vclock::test_vv_happened_before ... ok
[INFO] [stdout] test vclock::test_vv_merge ... ok
[INFO] [stderr]    Doc-tests logical_clock
[INFO] [stdout] test vclock::test_vv_new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "0b1d07924d691a93175a242240a37a33af2d89833202b366e52fd62a1eee3aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b1d07924d691a93175a242240a37a33af2d89833202b366e52fd62a1eee3aa4", kill_on_drop: false }`
[INFO] [stdout] 0b1d07924d691a93175a242240a37a33af2d89833202b366e52fd62a1eee3aa4