[INFO] updating cached repository localghost/membership [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/localghost/membership [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/localghost/membership" "work/ex/beta-1.37-6/sources/1.36.0/gh/localghost/membership"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/localghost/membership'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/localghost/membership" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/localghost/membership"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/localghost/membership'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2156bba3665e76a45d3e5190d81d24b0dbad03a8 [INFO] sha for GitHub repo localghost/membership: 2156bba3665e76a45d3e5190d81d24b0dbad03a8 [INFO] validating manifest of localghost/membership on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of localghost/membership on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing localghost/membership [INFO] finished frobbing localghost/membership [INFO] frobbed toml for localghost/membership written to work/ex/beta-1.37-6/sources/1.36.0/gh/localghost/membership/Cargo.toml [INFO] started frobbing localghost/membership [INFO] finished frobbing localghost/membership [INFO] frobbed toml for localghost/membership written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/localghost/membership/Cargo.toml [INFO] crate localghost/membership already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing localghost/membership against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/localghost/membership:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 640d34c7a41a88ead60e1ea8adb6745d2b074c8e2f8c406d2a957a3e76d3fd71 [INFO] running `"docker" "start" "-a" "640d34c7a41a88ead60e1ea8adb6745d2b074c8e2f8c406d2a957a3e76d3fd71"` [INFO] [stderr] Compiling syn v0.15.33 [INFO] [stderr] Compiling mio-extras v2.0.5 [INFO] [stderr] Compiling structopt-derive v0.2.15 [INFO] [stderr] Compiling structopt v0.2.15 [INFO] [stderr] Compiling membership v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `BufMut`, `BytesMut` [INFO] [stderr] --> src/lib.rs:7:13 [INFO] [stderr] | [INFO] [stderr] 7 | use bytes::{BufMut, Buf, BytesMut}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Cursor` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::io::Cursor; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `BTreeMap`, `BinaryHeap`, `HashMap` [INFO] [stderr] --> src/lib.rs:10:24 [INFO] [stderr] | [INFO] [stderr] 10 | use std::collections::{HashMap, HashSet, BTreeMap, BinaryHeap}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `error` [INFO] [stderr] --> src/lib.rs:12:24 [INFO] [stderr] | [INFO] [stderr] 12 | use log::{debug, info, error}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::default::Default` [INFO] [stderr] --> src/lib.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::default::Default; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `SocketAddrV4` [INFO] [stderr] --> src/message.rs:2:46 [INFO] [stderr] | [INFO] [stderr] 2 | use std::net::{IpAddr, SocketAddr, Ipv4Addr, SocketAddrV4}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `debug`, `error`, `info` [INFO] [stderr] --> src/message.rs:5:11 [INFO] [stderr] | [INFO] [stderr] 5 | use log::{debug, info, error}; [INFO] [stderr] | ^^^^^ ^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::Reverse` [INFO] [stderr] --> src/lib.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use std::cmp::Reverse; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::convert::TryInto` [INFO] [stderr] --> src/lib.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use std::convert::TryInto; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Buf` [INFO] [stderr] --> src/lib.rs:7:21 [INFO] [stderr] | [INFO] [stderr] 7 | use bytes::{BufMut, Buf, BytesMut}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_epoch` [INFO] [stderr] --> src/lib.rs:157:17 [INFO] [stderr] | [INFO] [stderr] 157 | let mut new_epoch = false; [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_new_epoch` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `idx` [INFO] [stderr] --> src/message.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | for idx in 0..count { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_idx` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:157:13 [INFO] [stderr] | [INFO] [stderr] 157 | let mut new_epoch = false; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:254:37 [INFO] [stderr] | [INFO] [stderr] 254 | let mut message = Message::create(MessageType::Ping, header.sequence_number, header.epoch); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Ack2` [INFO] [stderr] --> src/lib.rs:87:1 [INFO] [stderr] | [INFO] [stderr] 87 | struct Ack2 { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused bitwise operation that must be used [INFO] [stderr] --> src/message.rs:93:13 [INFO] [stderr] | [INFO] [stderr] 93 | header >> 1; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.15s [INFO] running `"docker" "inspect" "640d34c7a41a88ead60e1ea8adb6745d2b074c8e2f8c406d2a957a3e76d3fd71"` [INFO] running `"docker" "rm" "-f" "640d34c7a41a88ead60e1ea8adb6745d2b074c8e2f8c406d2a957a3e76d3fd71"` [INFO] [stdout] 640d34c7a41a88ead60e1ea8adb6745d2b074c8e2f8c406d2a957a3e76d3fd71 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/localghost/membership:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] df5b22af2fcf8e280be7c73d281b07be28ac1ce91c455ea40c81d4572026f221 [INFO] running `"docker" "start" "-a" "df5b22af2fcf8e280be7c73d281b07be28ac1ce91c455ea40c81d4572026f221"` [INFO] [stderr] Compiling membership v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `BufMut`, `BytesMut` [INFO] [stderr] --> src/lib.rs:7:13 [INFO] [stderr] | [INFO] [stderr] 7 | use bytes::{BufMut, Buf, BytesMut}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Cursor` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::io::Cursor; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `BTreeMap`, `BinaryHeap`, `HashMap` [INFO] [stderr] --> src/lib.rs:10:24 [INFO] [stderr] | [INFO] [stderr] 10 | use std::collections::{HashMap, HashSet, BTreeMap, BinaryHeap}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `error` [INFO] [stderr] --> src/lib.rs:12:24 [INFO] [stderr] | [INFO] [stderr] 12 | use log::{debug, info, error}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::default::Default` [INFO] [stderr] --> src/lib.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::default::Default; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `SocketAddrV4` [INFO] [stderr] --> src/message.rs:2:46 [INFO] [stderr] | [INFO] [stderr] 2 | use std::net::{IpAddr, SocketAddr, Ipv4Addr, SocketAddrV4}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `debug`, `error`, `info` [INFO] [stderr] --> src/message.rs:5:11 [INFO] [stderr] | [INFO] [stderr] 5 | use log::{debug, info, error}; [INFO] [stderr] | ^^^^^ ^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::Reverse` [INFO] [stderr] --> src/lib.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use std::cmp::Reverse; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::convert::TryInto` [INFO] [stderr] --> src/lib.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use std::convert::TryInto; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Buf` [INFO] [stderr] --> src/lib.rs:7:21 [INFO] [stderr] | [INFO] [stderr] 7 | use bytes::{BufMut, Buf, BytesMut}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_epoch` [INFO] [stderr] --> src/lib.rs:157:17 [INFO] [stderr] | [INFO] [stderr] 157 | let mut new_epoch = false; [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_new_epoch` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `idx` [INFO] [stderr] --> src/message.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | for idx in 0..count { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_idx` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:157:13 [INFO] [stderr] | [INFO] [stderr] 157 | let mut new_epoch = false; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:254:37 [INFO] [stderr] | [INFO] [stderr] 254 | let mut message = Message::create(MessageType::Ping, header.sequence_number, header.epoch); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Ack2` [INFO] [stderr] --> src/lib.rs:87:1 [INFO] [stderr] | [INFO] [stderr] 87 | struct Ack2 { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused bitwise operation that must be used [INFO] [stderr] --> src/message.rs:93:13 [INFO] [stderr] | [INFO] [stderr] 93 | header >> 1; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.47s [INFO] running `"docker" "inspect" "df5b22af2fcf8e280be7c73d281b07be28ac1ce91c455ea40c81d4572026f221"` [INFO] running `"docker" "rm" "-f" "df5b22af2fcf8e280be7c73d281b07be28ac1ce91c455ea40c81d4572026f221"` [INFO] [stdout] df5b22af2fcf8e280be7c73d281b07be28ac1ce91c455ea40c81d4572026f221 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/localghost/membership:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 3d8f734dd04712d7b0d46bf02e2ce1888442159919841aded7eeaeb8d69ea3d0 [INFO] running `"docker" "start" "-a" "3d8f734dd04712d7b0d46bf02e2ce1888442159919841aded7eeaeb8d69ea3d0"` [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/crater/target/debug/deps/membership-3ab956ad58d11e5e [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/driver-6e7c62a212c579e0 [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Doc-tests membership [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "3d8f734dd04712d7b0d46bf02e2ce1888442159919841aded7eeaeb8d69ea3d0"` [INFO] running `"docker" "rm" "-f" "3d8f734dd04712d7b0d46bf02e2ce1888442159919841aded7eeaeb8d69ea3d0"` [INFO] [stdout] 3d8f734dd04712d7b0d46bf02e2ce1888442159919841aded7eeaeb8d69ea3d0