[INFO] fetching crate libmodbus 1.0.1...
[INFO] testing libmodbus-1.0.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate libmodbus 1.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate libmodbus 1.0.1 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libmodbus 1.0.1
[INFO] finished tweaking crates.io crate libmodbus 1.0.1
[INFO] tweaked toml for crates.io crate libmodbus 1.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate libmodbus 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa5a4f46c503bd0fa010de6e6c5060f1a4f21910a8f6f09d38e1c15a578cf52c
[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" "fa5a4f46c503bd0fa010de6e6c5060f1a4f21910a8f6f09d38e1c15a578cf52c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa5a4f46c503bd0fa010de6e6c5060f1a4f21910a8f6f09d38e1c15a578cf52c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa5a4f46c503bd0fa010de6e6c5060f1a4f21910a8f6f09d38e1c15a578cf52c", kill_on_drop: false }`
[INFO] [stdout] fa5a4f46c503bd0fa010de6e6c5060f1a4f21910a8f6f09d38e1c15a578cf52c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f43be22918c2f31bcb3d94da7a911386a7c229c0c4d157cb4a45b710825679bb
[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" "f43be22918c2f31bcb3d94da7a911386a7c229c0c4d157cb4a45b710825679bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v1.0.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling libloading v0.6.5
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling libmodbus-sys v1.0.0
[INFO] [stderr]    Compiling libmodbus v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.33s
[INFO] running `Command { std: "docker" "inspect" "f43be22918c2f31bcb3d94da7a911386a7c229c0c4d157cb4a45b710825679bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f43be22918c2f31bcb3d94da7a911386a7c229c0c4d157cb4a45b710825679bb", kill_on_drop: false }`
[INFO] [stdout] f43be22918c2f31bcb3d94da7a911386a7c229c0c4d157cb4a45b710825679bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d5445afe49ad626a2a29a8a53f68468ee028bb192b02e8a0f28e485f20337aa
[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" "6d5445afe49ad626a2a29a8a53f68468ee028bb192b02e8a0f28e485f20337aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmodbus v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "6d5445afe49ad626a2a29a8a53f68468ee028bb192b02e8a0f28e485f20337aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d5445afe49ad626a2a29a8a53f68468ee028bb192b02e8a0f28e485f20337aa", kill_on_drop: false }`
[INFO] [stdout] 6d5445afe49ad626a2a29a8a53f68468ee028bb192b02e8a0f28e485f20337aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] beaa39f98f76bee99bf46e16469b42ebd7955ff9462346878df1f340c7b2cf3e
[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" "beaa39f98f76bee99bf46e16469b42ebd7955ff9462346878df1f340c7b2cf3e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libmodbus-b5bbb89e35b3043f)
[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/test_modbus.rs (/opt/rustwide/target/debug/deps/test_modbus-a2892fbda6ca2411)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test close ... ignored
[INFO] [stdout] test flush ... ignored
[INFO] [stdout] test free ... ignored
[INFO] [stdout] test reply_exception ... ignored
[INFO] [stdout] test connect ... ok
[INFO] [stdout] test set_debug ... ok
[INFO] [stdout] test set_error_recovery ... ok
[INFO] [stdout] test get_response_timeout ... ok
[INFO] [stdout] test get_byte_timeout ... ok
[INFO] [stdout] test get_socket ... ok
[INFO] [stdout] test set_byte_timeout ... ok
[INFO] [stdout] test set_socket ... ok
[INFO] [stdout] test get_header_length ... ok
[INFO] [stdout] test timeout_default ... ok
[INFO] [stdout] test set_response_timeout ... ok
[INFO] [stdout] test set_slave ... ok
[INFO] [stdout] test timeout_new_sec ... ok
[INFO] [stdout] test timeout_new ... ok
[INFO] [stdout] test timeout_new_usec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_modbus_client.rs (/opt/rustwide/target/debug/deps/test_modbus_client-f2ce54681dc83b77)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test read_bits ... ok
[INFO] [stdout] test report_slave_id ... ok
[INFO] [stdout] test read_input_registers ... ok
[INFO] [stdout] test write_registers ... ok
[INFO] [stdout] test write_bits ... ok
[INFO] [stdout] test receive_confirmation ... ok
[INFO] [stdout] test write_register ... ok
[INFO] [stdout] test send_raw_request ... ok
[INFO] [stdout] test read_registers ... ok
[INFO] [stdout] test read_input_bits ... ok
[INFO] [stdout] test write_and_read_registers ... ok
[INFO] [stdout] test write_bit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_modbus_mapping.rs (/opt/rustwide/target/debug/deps/test_modbus_mapping-95379241f935a60b)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test free ... ignored
[INFO] [stdout] test get_bits ... ok
[INFO] [stdout] test get_input_bits_mut ... ok
[INFO] [stdout] test get_bits_mut ... ok
[INFO] [stdout] test get_registers_mut ... ok
[INFO] [stdout] test get_input_registers ... ok
[INFO] [stdout] test new ... ok
[INFO] [stdout] test get_registers ... ok
[INFO] [stdout] test new_start_address ... ok
[INFO] [stdout] test get_input_registers_mut ... ok
[INFO] [stdout] test get_input_bit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_modbus_rtu.rs (/opt/rustwide/target/debug/deps/test_modbus_rtu-2a4ec8d8ff81b25c)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test rtu_get_rts ... ignored
[INFO] [stdout] test rtu_get_rts_delay ... ignored
[INFO] [stdout] test rtu_get_serial_mode ... ignored
[INFO] [stdout] test rtu_set_custom_rts ... ignored
[INFO] [stdout] test rtu_set_rts ... ignored
[INFO] [stdout] test rtu_set_rts_delay ... ignored
[INFO] [stdout] test rtu_set_serial_mode ... ignored
[INFO] [stdout] test new_rtu_context ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 7 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_modbus_server.rs (/opt/rustwide/target/debug/deps/test_modbus_server-01172cd3df629d9c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test receive ... ignored
[INFO] [stdout] test reply ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_modbus_tcp.rs (/opt/rustwide/target/debug/deps/test_modbus_tcp-8be39001d2c421ac)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tcp_accept ... ignored
[INFO] [stdout] test new_tcp ... ok
[INFO] [stdout] test tcp_listen ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_modbus_tcp_pi.rs (/opt/rustwide/target/debug/deps/test_modbus_tcp_pi-c6ca0dd994c7d47c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tcp_pi_accept ... ignored
[INFO] [stdout] test tcp_pi_listen ... ignored
[INFO] [stderr]    Doc-tests libmodbus
[INFO] [stdout] test new_tcp_pi ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 71 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name libmodbus --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps -L native=/opt/rustwide/target/debug/build/libmodbus-sys-335e9e8644130b0b/out/build --extern clap=/opt/rustwide/target/debug/deps/libclap-06b21f1953057602.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-cdce2de91d624fe2.rlib --extern libmodbus=/opt/rustwide/target/debug/deps/liblibmodbus-7bbeb92601e35072.rlib --extern libmodbus_sys=/opt/rustwide/target/debug/deps/liblibmodbus_sys-196b5a14d8d6f51a.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-d327d62a3e04d774.rlib --extern time=/opt/rustwide/target/debug/deps/libtime-e3754c3fb3257970.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "beaa39f98f76bee99bf46e16469b42ebd7955ff9462346878df1f340c7b2cf3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beaa39f98f76bee99bf46e16469b42ebd7955ff9462346878df1f340c7b2cf3e", kill_on_drop: false }`
[INFO] [stdout] beaa39f98f76bee99bf46e16469b42ebd7955ff9462346878df1f340c7b2cf3e