[INFO] cloning repository https://github.com/reese/kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reese/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freese%2Fkvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freese%2Fkvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 605988e5d92306a26a7ee4c51f0a3acbd7c77849 [INFO] checking reese/kvs against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freese%2Fkvs" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/reese/kvs on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/reese/kvs [INFO] finished tweaking git repo https://github.com/reese/kvs [INFO] tweaked toml for git repo https://github.com/reese/kvs written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/reese/kvs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f6e7bd84aa34d7bcda49270ced7090c5702f573ff95c72d4a41b6d614278bc3b [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" "f6e7bd84aa34d7bcda49270ced7090c5702f573ff95c72d4a41b6d614278bc3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f6e7bd84aa34d7bcda49270ced7090c5702f573ff95c72d4a41b6d614278bc3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6e7bd84aa34d7bcda49270ced7090c5702f573ff95c72d4a41b6d614278bc3b", kill_on_drop: false }` [INFO] [stdout] f6e7bd84aa34d7bcda49270ced7090c5702f573ff95c72d4a41b6d614278bc3b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 312b45ed972b39e5ff78e427e4783653e25d26fe6c9533bbb2f3867f61e5f22b [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" "312b45ed972b39e5ff78e427e4783653e25d26fe6c9533bbb2f3867f61e5f22b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking regex-syntax v0.6.13 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking num-integer v0.1.42 [INFO] [stderr] Checking float-cmp v0.5.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking backtrace v0.3.42 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking stderrlog v0.4.3 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking regex v1.3.3 [INFO] [stderr] Checking predicates v1.0.2 [INFO] [stderr] Compiling syn-mid v0.4.0 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling rustversion v1.0.1 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling proc-macro-error v0.4.4 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.3 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Compiling structopt-derive v0.4.0 [INFO] [stderr] Checking structopt v0.3.7 [INFO] [stderr] Checking serde v1.0.104 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking bstr v0.2.11 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.0.3 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: unused import: `std::net::SocketAddr` [INFO] [stdout] --> src/bin/kvs-client.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::net::SocketAddr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/bin/kvs-server.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `KvsEngine` [INFO] [stdout] --> src/bin/kvs-server.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | use kvs::{KvStore, KvsEngine, Options, Result}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::net::SocketAddr` [INFO] [stdout] --> src/bin/kvs-server.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::net::SocketAddr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `store` [INFO] [stdout] --> src/bin/kvs-server.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let mut store = KvStore::open(current_dir()?)?; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_store` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/kvs-server.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let mut store = KvStore::open(current_dir()?)?; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/kvs-server.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let mut exit_code = 0; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: unused import: `std::net::SocketAddr` [INFO] [stdout] --> src/bin/kvs-client.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::net::SocketAddr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/bin/kvs-server.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `KvsEngine` [INFO] [stdout] --> src/bin/kvs-server.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | use kvs::{KvStore, KvsEngine, Options, Result}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::net::SocketAddr` [INFO] [stdout] --> src/bin/kvs-server.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::net::SocketAddr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `store` [INFO] [stdout] --> src/bin/kvs-server.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let mut store = KvStore::open(current_dir()?)?; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_store` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/kvs-server.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let mut store = KvStore::open(current_dir()?)?; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/kvs-server.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let mut exit_code = 0; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 49s [INFO] running `Command { std: "docker" "inspect" "312b45ed972b39e5ff78e427e4783653e25d26fe6c9533bbb2f3867f61e5f22b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "312b45ed972b39e5ff78e427e4783653e25d26fe6c9533bbb2f3867f61e5f22b", kill_on_drop: false }` [INFO] [stdout] 312b45ed972b39e5ff78e427e4783653e25d26fe6c9533bbb2f3867f61e5f22b