[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#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freese%2Fkvs" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/reese/kvs on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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-8/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded criterion-plot v0.3.1 [INFO] [stderr] Downloaded backtrace v0.3.42 [INFO] [stderr] Downloaded failure_derive v0.1.6 [INFO] [stderr] Downloaded failure v0.1.6 [INFO] [stderr] Downloaded proc-macro-error-attr v0.4.3 [INFO] [stderr] Downloaded escargot v0.4.0 [INFO] [stderr] Downloaded structopt v0.3.7 [INFO] [stderr] Downloaded assert_cmd v0.11.1 [INFO] [stderr] Downloaded proc-macro-error v0.4.4 [INFO] [stderr] Downloaded normalize-line-endings v0.2.2 [INFO] [stderr] Downloaded bstr v0.2.11 [INFO] [stderr] Downloaded tinytemplate v1.0.3 [INFO] [stderr] Downloaded rand_xoshiro v0.1.0 [INFO] [stderr] Downloaded predicates v1.0.2 [INFO] [stderr] Downloaded syn-mid v0.4.0 [INFO] [stderr] Downloaded rustversion v1.0.1 [INFO] [stderr] Downloaded proc-macro2 v1.0.7 [INFO] [stderr] Downloaded structopt-derive v0.4.0 [INFO] [stderr] Downloaded float-cmp v0.5.3 [INFO] [stderr] Downloaded syn v1.0.13 [INFO] [stderr] Downloaded regex-automata v0.1.8 [INFO] [stderr] Downloaded criterion v0.2.11 [INFO] [stderr] Downloaded regex-syntax v0.6.13 [INFO] [stderr] Downloaded regex v1.3.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 20ad1cb1254d1356ba4f21f85ba89d4535932975ab6b9af876aee329698f89a2 [INFO] running `Command { std: "docker" "start" "-a" "20ad1cb1254d1356ba4f21f85ba89d4535932975ab6b9af876aee329698f89a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20ad1cb1254d1356ba4f21f85ba89d4535932975ab6b9af876aee329698f89a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20ad1cb1254d1356ba4f21f85ba89d4535932975ab6b9af876aee329698f89a2", kill_on_drop: false }` [INFO] [stdout] 20ad1cb1254d1356ba4f21f85ba89d4535932975ab6b9af876aee329698f89a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 740630c41db4eb20c0efccab52f4e75ddb928cca2e86725c9ccfe66040c4098f [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" "740630c41db4eb20c0efccab52f4e75ddb928cca2e86725c9ccfe66040c4098f", kill_on_drop: false }` [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking rand_pcg v0.1.2 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking float-cmp v0.5.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking backtrace v0.3.42 [INFO] [stderr] Checking rayon-core v1.7.0 [INFO] [stderr] Checking regex v1.3.3 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking stderrlog v0.4.3 [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 escargot v0.4.0 [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 `#[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: 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking assert_cmd v0.11.1 [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: 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: 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 30s [INFO] running `Command { std: "docker" "inspect" "740630c41db4eb20c0efccab52f4e75ddb928cca2e86725c9ccfe66040c4098f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "740630c41db4eb20c0efccab52f4e75ddb928cca2e86725c9ccfe66040c4098f", kill_on_drop: false }` [INFO] [stdout] 740630c41db4eb20c0efccab52f4e75ddb928cca2e86725c9ccfe66040c4098f