[INFO] cloning repository https://github.com/cshuaimin/kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cshuaimin/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcshuaimin%2Fkvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcshuaimin%2Fkvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6a00af630b1cd3449049f5c76063193a01203038 [INFO] checking cshuaimin/kvs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcshuaimin%2Fkvs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cshuaimin/kvs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cshuaimin/kvs [INFO] finished tweaking git repo https://github.com/cshuaimin/kvs [INFO] tweaked toml for git repo https://github.com/cshuaimin/kvs written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cshuaimin/kvs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/crossbeam-rs/crossbeam` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rio v0.9.2 [INFO] [stderr] Downloaded kv-log-macro v1.0.4 [INFO] [stderr] Downloaded bincode v1.2.1 [INFO] [stderr] Downloaded proc-macro-error-attr v0.4.8 [INFO] [stderr] Downloaded proc-macro-error v0.4.8 [INFO] [stderr] Downloaded structopt-derive v0.4.2 [INFO] [stderr] Downloaded futures-timer v2.0.2 [INFO] [stderr] Downloaded async-task v1.3.0 [INFO] [stderr] Downloaded crossbeam-channel v0.4.0 [INFO] [stderr] Downloaded async-std v1.4.0 [INFO] [stderr] Downloaded structopt v0.3.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f168923e75776afdc6d16e8650dfd7d8406545f995d926f23ac17c3b07dfa418 [INFO] running `Command { std: "docker" "start" "-a" "f168923e75776afdc6d16e8650dfd7d8406545f995d926f23ac17c3b07dfa418", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f168923e75776afdc6d16e8650dfd7d8406545f995d926f23ac17c3b07dfa418", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f168923e75776afdc6d16e8650dfd7d8406545f995d926f23ac17c3b07dfa418", kill_on_drop: false }` [INFO] [stdout] f168923e75776afdc6d16e8650dfd7d8406545f995d926f23ac17c3b07dfa418 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e98fcea263566e2501da4529f75c4ac32bf7899797ce1b201635bc53b9903e0e [INFO] running `Command { std: "docker" "start" "-a" "e98fcea263566e2501da4529f75c4ac32bf7899797ce1b201635bc53b9903e0e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling rustversion v1.0.2 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex-syntax v0.6.14 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 (https://github.com/crossbeam-rs/crossbeam#ebecb82c) [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 (https://github.com/crossbeam-rs/crossbeam#ebecb82c) [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking once_cell v1.3.1 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking futures-timer v2.0.2 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking oorandom v11.1.0 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking crossbeam-channel v0.4.0 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking async-task v1.3.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rio v0.9.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking aho-corasick v0.7.7 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking criterion-plot v0.4.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking crossbeam-skiplist v0.0.0 (https://github.com/crossbeam-rs/crossbeam#ebecb82c) [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking plotters v0.2.12 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking async-std v1.4.0 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling thiserror-impl v1.0.10 [INFO] [stderr] Compiling proc-macro-error v0.4.8 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.8 [INFO] [stderr] Checking thiserror v1.0.10 [INFO] [stderr] Compiling structopt-derive v0.4.2 [INFO] [stderr] Checking structopt v0.3.9 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Checking serde_json v1.0.45 [INFO] [stderr] Checking bstr v0.2.10 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `dir` is never read [INFO] [stdout] --> src/kvs.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | struct KvsReader { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 25 | dir: Arc, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `KvsReader` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `env_logger` is imported redundantly [INFO] [stdout] --> src/bin/kvs-server.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [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 csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.0.3 [INFO] [stderr] Checking criterion v0.3.1 [INFO] [stdout] warning: the item `env_logger` is imported redundantly [INFO] [stdout] --> src/bin/kvs-server.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [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] [stdout] warning: field `dir` is never read [INFO] [stdout] --> src/kvs.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | struct KvsReader { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 25 | dir: Arc, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `KvsReader` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.79s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "e98fcea263566e2501da4529f75c4ac32bf7899797ce1b201635bc53b9903e0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e98fcea263566e2501da4529f75c4ac32bf7899797ce1b201635bc53b9903e0e", kill_on_drop: false }` [INFO] [stdout] e98fcea263566e2501da4529f75c4ac32bf7899797ce1b201635bc53b9903e0e [INFO] checking cshuaimin/kvs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcshuaimin%2Fkvs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cshuaimin/kvs on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cshuaimin/kvs [INFO] finished tweaking git repo https://github.com/cshuaimin/kvs [INFO] tweaked toml for git repo https://github.com/cshuaimin/kvs written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cshuaimin/kvs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 58e292642c488f776e6adc8c0f997c58a4a88f1ed0da0478436aadc1a8768c9f [INFO] running `Command { std: "docker" "start" "-a" "58e292642c488f776e6adc8c0f997c58a4a88f1ed0da0478436aadc1a8768c9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "58e292642c488f776e6adc8c0f997c58a4a88f1ed0da0478436aadc1a8768c9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58e292642c488f776e6adc8c0f997c58a4a88f1ed0da0478436aadc1a8768c9f", kill_on_drop: false }` [INFO] [stdout] 58e292642c488f776e6adc8c0f997c58a4a88f1ed0da0478436aadc1a8768c9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff2cb821fe24f27dd3accf355118ad137540e6d4af8587a135a20107e0411df2 [INFO] running `Command { std: "docker" "start" "-a" "ff2cb821fe24f27dd3accf355118ad137540e6d4af8587a135a20107e0411df2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling rustversion v1.0.2 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking regex-syntax v0.6.14 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 (https://github.com/crossbeam-rs/crossbeam#ebecb82c) [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 (https://github.com/crossbeam-rs/crossbeam#ebecb82c) [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Checking once_cell v1.3.1 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking futures-timer v2.0.2 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking oorandom v11.1.0 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking async-task v1.3.0 [INFO] [stderr] Checking rio v0.9.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking crossbeam-channel v0.4.0 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking aho-corasick v0.7.7 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking crossbeam-skiplist v0.0.0 (https://github.com/crossbeam-rs/crossbeam#ebecb82c) [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking criterion-plot v0.4.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking async-std v1.4.0 [INFO] [stderr] Checking plotters v0.2.12 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling thiserror-impl v1.0.10 [INFO] [stderr] Compiling proc-macro-error v0.4.8 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.8 [INFO] [stderr] Checking thiserror v1.0.10 [INFO] [stderr] Compiling structopt-derive v0.4.2 [INFO] [stderr] Checking structopt v0.3.9 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Checking serde_json v1.0.45 [INFO] [stderr] Checking bstr v0.2.10 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `dir` is never read [INFO] [stdout] --> src/kvs.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | struct KvsReader { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 25 | dir: Arc, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `KvsReader` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `env_logger` is imported redundantly [INFO] [stdout] --> src/bin/kvs-server.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [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 tinytemplate v1.0.3 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking criterion v0.3.1 [INFO] [stdout] warning: the item `env_logger` is imported redundantly [INFO] [stdout] --> src/bin/kvs-server.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [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] [stdout] warning: field `dir` is never read [INFO] [stdout] --> src/kvs.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | struct KvsReader { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 25 | dir: Arc, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `KvsReader` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.38s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "ff2cb821fe24f27dd3accf355118ad137540e6d4af8587a135a20107e0411df2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff2cb821fe24f27dd3accf355118ad137540e6d4af8587a135a20107e0411df2", kill_on_drop: false }` [INFO] [stdout] ff2cb821fe24f27dd3accf355118ad137540e6d4af8587a135a20107e0411df2