[INFO] fetching crate rast 0.1.0-alpha.0...
[INFO] testing rast-0.1.0-alpha.0 against beta-2021-09-12 for beta-1.56-2
[INFO] extracting crate rast 0.1.0-alpha.0 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate rast 0.1.0-alpha.0 on toolchain beta-2021-09-12
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rast 0.1.0-alpha.0
[INFO] finished tweaking crates.io crate rast 0.1.0-alpha.0
[INFO] tweaked toml for crates.io crate rast 0.1.0-alpha.0 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ce389f98eb12e7700ec0021b07108eed0c8ac64f597d29dece98128c319a7d8
[INFO] running `Command { std: "docker" "start" "-a" "9ce389f98eb12e7700ec0021b07108eed0c8ac64f597d29dece98128c319a7d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ce389f98eb12e7700ec0021b07108eed0c8ac64f597d29dece98128c319a7d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ce389f98eb12e7700ec0021b07108eed0c8ac64f597d29dece98128c319a7d8", kill_on_drop: false }`
[INFO] [stdout] 9ce389f98eb12e7700ec0021b07108eed0c8ac64f597d29dece98128c319a7d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-12" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93316d93d20ff44d9eaed33a1365c3ca21d1683049cc70e0fdf7fd0faf8ed040
[INFO] running `Command { std: "docker" "start" "-a" "93316d93d20ff44d9eaed33a1365c3ca21d1683049cc70e0fdf7fd0faf8ed040", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rast v0.1.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "93316d93d20ff44d9eaed33a1365c3ca21d1683049cc70e0fdf7fd0faf8ed040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93316d93d20ff44d9eaed33a1365c3ca21d1683049cc70e0fdf7fd0faf8ed040", kill_on_drop: false }`
[INFO] [stdout] 93316d93d20ff44d9eaed33a1365c3ca21d1683049cc70e0fdf7fd0faf8ed040
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-12" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dd78b340716dacf571a96797931643665d5508bb0d4b508a55b2d76aecd824b
[INFO] running `Command { std: "docker" "start" "-a" "3dd78b340716dacf571a96797931643665d5508bb0d4b508a55b2d76aecd824b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling extreme v666.666.666666
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rast v0.1.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/testutil/noopfuture.rs:45:54
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Poll::Pending => panic!("unexpectedly not ready: {:?}"),
[INFO] [stdout]    |                                                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Poll::Pending => panic!("unexpectedly not ready: {:?}", ...),
[INFO] [stdout]    |                                                           +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Poll::Pending => panic!("{}", "unexpectedly not ready: {:?}"),
[INFO] [stdout]    |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.10s
[INFO] running `Command { std: "docker" "inspect" "3dd78b340716dacf571a96797931643665d5508bb0d4b508a55b2d76aecd824b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dd78b340716dacf571a96797931643665d5508bb0d4b508a55b2d76aecd824b", kill_on_drop: false }`
[INFO] [stdout] 3dd78b340716dacf571a96797931643665d5508bb0d4b508a55b2d76aecd824b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-12" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70e4af08b40e76c3ff5949af16d6869ce102197a25b10b350b7476b02cc56f2b
[INFO] running `Command { std: "docker" "start" "-a" "70e4af08b40e76c3ff5949af16d6869ce102197a25b10b350b7476b02cc56f2b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]   --> src/testutil/noopfuture.rs:45:54
[INFO] [stderr]    |
[INFO] [stderr] 45 |     Poll::Pending => panic!("unexpectedly not ready: {:?}"),
[INFO] [stderr]    |                                                      ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]    |
[INFO] [stderr] 45 |     Poll::Pending => panic!("unexpectedly not ready: {:?}", ...),
[INFO] [stderr]    |                                                           +++++
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]    |
[INFO] [stderr] 45 |     Poll::Pending => panic!("{}", "unexpectedly not ready: {:?}"),
[INFO] [stderr]    |                             +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rast` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rast-03ef0570d1e1e8bd)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test raft::tests::read_future ... ok
[INFO] [stdout] test compressed_log::tests::compressed_log ... ok
[INFO] [stdout] test compressed_log::tests::empty ... ok
[INFO] [stdout] test raft::tests::election_multi ... ok
[INFO] [stdout] test raft::tests::regression_follower_write ... ok
[INFO] [stdout] test raft::tests::write_future ... ok
[INFO] [stdout] test nemesis::nemesis::tests::validate_ops ... ok
[INFO] [stdout] test compressed_log::tests::extend ... ok
[INFO] [stdout] test raft::tests::tick ... ok
[INFO] [stdout] test raft::tests::election_one ... ok
[INFO] [stdout] test raft::tests::overwrite_entries ... ok
[INFO] [stdout] test raft::tests::leader_timeout ... ok
[INFO] [stdout] test raft::tests::regression_request_starts_election ... ok
[INFO] [stdout] test nemesis::nemesis::tests::nemesis_multi ... ok
[INFO] [stdout] test nemesis::nemesis::tests::nemesis_single ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rast
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.94s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "70e4af08b40e76c3ff5949af16d6869ce102197a25b10b350b7476b02cc56f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e4af08b40e76c3ff5949af16d6869ce102197a25b10b350b7476b02cc56f2b", kill_on_drop: false }`
[INFO] [stdout] 70e4af08b40e76c3ff5949af16d6869ce102197a25b10b350b7476b02cc56f2b