[INFO] updating cached repository https://github.com/zowens/paxos-rs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] da9de259328f829fcdd1e8305bf44b91b7ee28ca [INFO] checking zowens/paxos-rs against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzowens%2Fpaxos-rs" "work/builds/worker-0/source"` [INFO] [stderr] Cloning into 'work/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zowens/paxos-rs on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/zowens/paxos-rs [INFO] finished tweaking git repo https://github.com/zowens/paxos-rs [INFO] tweaked toml for git repo https://github.com/zowens/paxos-rs written to work/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/zowens/paxos-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 61441f412c04860a4fb3195a3ec61924060e4cbe4ed260ca66ef8362d9e29d7c [INFO] running `"docker" "start" "-a" "61441f412c04860a4fb3195a3ec61924060e4cbe4ed260ca66ef8362d9e29d7c"` [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling libc v0.2.51 [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 stable_deref_trait v1.1.1 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking lazycell v1.2.1 [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 utf8-ranges v1.0.2 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Checking half v1.3.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking either v1.5.1 [INFO] [stderr] Checking assert_matches v1.3.0 [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] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking textwrap v0.10.0 [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 humantime v1.2.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac 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] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking aho-corasick v0.7.1 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Checking tokio-sync v0.1.4 [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-timer v0.2.10 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking mio-uds v0.6.7 [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/rustwide/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 27s [INFO] running `"docker" "inspect" "61441f412c04860a4fb3195a3ec61924060e4cbe4ed260ca66ef8362d9e29d7c"` [INFO] running `"docker" "rm" "-f" "61441f412c04860a4fb3195a3ec61924060e4cbe4ed260ca66ef8362d9e29d7c"` [INFO] [stdout] 61441f412c04860a4fb3195a3ec61924060e4cbe4ed260ca66ef8362d9e29d7c