[INFO] cloning repository zowens/paxos-rs [INFO] running `"git" "clone" "--bare" "git://github.com/zowens/paxos-rs.git" "work/cache/sources/gh/zowens/paxos-rs"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/zowens/paxos-rs'... [INFO] running `"git" "clone" "work/cache/sources/gh/zowens/paxos-rs" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/zowens/paxos-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/zowens/paxos-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/zowens/paxos-rs" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/zowens/paxos-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/zowens/paxos-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] da9de259328f829fcdd1e8305bf44b91b7ee28ca [INFO] sha for GitHub repo zowens/paxos-rs: da9de259328f829fcdd1e8305bf44b91b7ee28ca [INFO] validating manifest of zowens/paxos-rs on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of zowens/paxos-rs on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing zowens/paxos-rs [INFO] finished frobbing zowens/paxos-rs [INFO] frobbed toml for zowens/paxos-rs written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/zowens/paxos-rs/Cargo.toml [INFO] started frobbing zowens/paxos-rs [INFO] finished frobbing zowens/paxos-rs [INFO] frobbed toml for zowens/paxos-rs written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/zowens/paxos-rs/Cargo.toml [INFO] crate zowens/paxos-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] checking zowens/paxos-rs against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-1/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/zowens/paxos-rs:/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=forbid" "-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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 13898f873856ee521c9ab50056bc094181a2df036f8d14413fdc10e60fd0584d [INFO] running `"docker" "start" "-a" "13898f873856ee521c9ab50056bc094181a2df036f8d14413fdc10e60fd0584d"` [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Compiling regex v1.1.3 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking half v1.3.0 [INFO] [stderr] Checking either v1.5.1 [INFO] [stderr] Checking assert_matches v1.3.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking tokio-trace-core v0.1.0 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.3 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking aho-corasick v0.7.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking tokio-sync v0.1.4 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking tokio-timer v0.2.10 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-threadpool v0.1.13 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio v0.1.18 [INFO] [stderr] Checking env_logger v0.6.1 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Checking serde_cbor v0.9.0 [INFO] [stderr] Checking paxos v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `proposals::*` [INFO] [stderr] --> src/multipaxos.rs:490:9 [INFO] [stderr] | [INFO] [stderr] 490 | use proposals::*; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/paxos/instance.rs:433:28 [INFO] [stderr] | [INFO] [stderr] 433 | Vacant(mut e) => { [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/paxos/instance.rs:441:21 [INFO] [stderr] | [INFO] [stderr] 441 | let mut proposal_status = [INFO] [stderr] | ----^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/paxos/instance.rs:433:28 [INFO] [stderr] | [INFO] [stderr] 433 | Vacant(mut e) => { [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/paxos/instance.rs:441:21 [INFO] [stderr] | [INFO] [stderr] 441 | let mut proposal_status = [INFO] [stderr] | ----^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 33s [INFO] running `"docker" "inspect" "13898f873856ee521c9ab50056bc094181a2df036f8d14413fdc10e60fd0584d"` [INFO] running `"docker" "rm" "-f" "13898f873856ee521c9ab50056bc094181a2df036f8d14413fdc10e60fd0584d"` [INFO] [stdout] 13898f873856ee521c9ab50056bc094181a2df036f8d14413fdc10e60fd0584d