[INFO] fetching crate little_raft 0.2.0...
[INFO] testing little_raft-0.2.0 against master#61469b682c2b0bf9cebc4622f1859e2bb3b7ebca for pr-91743
[INFO] extracting crate little_raft 0.2.0 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate little_raft 0.2.0 on toolchain 61469b682c2b0bf9cebc4622f1859e2bb3b7ebca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate little_raft 0.2.0
[INFO] finished tweaking crates.io crate little_raft 0.2.0
[INFO] tweaked toml for crates.io crate little_raft 0.2.0 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "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" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded timer v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c60911c399b1a5ba99d68c4683d90b9ec166fb6cd255477b0c0cbd0062ba5f4
[INFO] running `Command { std: "docker" "start" "-a" "7c60911c399b1a5ba99d68c4683d90b9ec166fb6cd255477b0c0cbd0062ba5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c60911c399b1a5ba99d68c4683d90b9ec166fb6cd255477b0c0cbd0062ba5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c60911c399b1a5ba99d68c4683d90b9ec166fb6cd255477b0c0cbd0062ba5f4", kill_on_drop: false }`
[INFO] [stdout] 7c60911c399b1a5ba99d68c4683d90b9ec166fb6cd255477b0c0cbd0062ba5f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d0b7933fbcd009428eb693ab7d9a9b0b9ac55669d36ce4b0a4dee249c5309bf
[INFO] running `Command { std: "docker" "start" "-a" "6d0b7933fbcd009428eb693ab7d9a9b0b9ac55669d36ce4b0a4dee249c5309bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling timer v0.1.6
[INFO] [stderr]    Compiling little_raft v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.92s
[INFO] running `Command { std: "docker" "inspect" "6d0b7933fbcd009428eb693ab7d9a9b0b9ac55669d36ce4b0a4dee249c5309bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d0b7933fbcd009428eb693ab7d9a9b0b9ac55669d36ce4b0a4dee249c5309bf", kill_on_drop: false }`
[INFO] [stdout] 6d0b7933fbcd009428eb693ab7d9a9b0b9ac55669d36ce4b0a4dee249c5309bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2284eab4f5e4f0b4ae7a10efc14c67ed436c0c75fee8d692e640f7619a564b7c
[INFO] running `Command { std: "docker" "start" "-a" "2284eab4f5e4f0b4ae7a10efc14c67ed436c0c75fee8d692e640f7619a564b7c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling little_raft v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.05s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/little_raft-c5ef9daef66099ba)
[INFO] [stderr]   Executable tests/raft_stable.rs (/opt/rustwide/target/debug/deps/raft_stable-cd4c13c367e72e60)
[INFO] [stderr]   Executable tests/raft_unstable.rs (/opt/rustwide/target/debug/deps/raft_unstable-0142cde051ee7028)
[INFO] running `Command { std: "docker" "inspect" "2284eab4f5e4f0b4ae7a10efc14c67ed436c0c75fee8d692e640f7619a564b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2284eab4f5e4f0b4ae7a10efc14c67ed436c0c75fee8d692e640f7619a564b7c", kill_on_drop: false }`
[INFO] [stdout] 2284eab4f5e4f0b4ae7a10efc14c67ed436c0c75fee8d692e640f7619a564b7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 810eecbbcaf838e3269f231684ca6b16f979ea8bce3d68b953870448e0d7eb36
[INFO] running `Command { std: "docker" "start" "-a" "810eecbbcaf838e3269f231684ca6b16f979ea8bce3d68b953870448e0d7eb36", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/little_raft-c5ef9daef66099ba)
[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] [stderr]      Running tests/raft_stable.rs (/opt/rustwide/target/debug/deps/raft_stable-cd4c13c367e72e60)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test run_replicas ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 16.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/raft_unstable.rs (/opt/rustwide/target/debug/deps/raft_unstable-0142cde051ee7028)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test run_replicas ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 23.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests little_raft
[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" "810eecbbcaf838e3269f231684ca6b16f979ea8bce3d68b953870448e0d7eb36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "810eecbbcaf838e3269f231684ca6b16f979ea8bce3d68b953870448e0d7eb36", kill_on_drop: false }`
[INFO] [stdout] 810eecbbcaf838e3269f231684ca6b16f979ea8bce3d68b953870448e0d7eb36