[INFO] cloning repository https://github.com/ctsrc/kvr [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ctsrc/kvr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctsrc%2Fkvr", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctsrc%2Fkvr'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 58909bc093dca8a639c5c394d424fd29e1881d70 [INFO] checking ctsrc/kvr against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctsrc%2Fkvr" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ctsrc/kvr on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ctsrc/kvr [INFO] finished tweaking git repo https://github.com/ctsrc/kvr [INFO] tweaked toml for git repo https://github.com/ctsrc/kvr written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/ctsrc/kvr already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 1671a4dc8cf17f903ed4fad55e334d95546778bec1202d26e72d9ce5f478cfaa [INFO] running `Command { std: "docker" "start" "-a" "1671a4dc8cf17f903ed4fad55e334d95546778bec1202d26e72d9ce5f478cfaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1671a4dc8cf17f903ed4fad55e334d95546778bec1202d26e72d9ce5f478cfaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1671a4dc8cf17f903ed4fad55e334d95546778bec1202d26e72d9ce5f478cfaa", kill_on_drop: false }` [INFO] [stdout] 1671a4dc8cf17f903ed4fad55e334d95546778bec1202d26e72d9ce5f478cfaa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 4bc802fe7c628e446cae292f17ae08954a651df613405e889bbff22830e587ef [INFO] running `Command { std: "docker" "start" "-a" "4bc802fe7c628e446cae292f17ae08954a651df613405e889bbff22830e587ef", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Compiling tokio v1.7.1 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [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] Compiling quote v1.0.9 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling tokio-macros v1.2.0 [INFO] [stderr] Checking serde v1.0.126 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking ulid v0.4.1 [INFO] [stderr] Checking kvr v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `prev_rev` [INFO] [stdout] --> src/data.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | pub(crate) prev_rev: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `prev_rev` [INFO] [stdout] --> src/data.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | pub(crate) prev_rev: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/data.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | pub(crate) value: V, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `historical_entries` [INFO] [stdout] --> src/lib.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | historical_entries: BTreeMap, ValueWithPrevRevRef>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/data.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | pub(crate) value: V, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `historical_entries` [INFO] [stdout] --> src/lib.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | historical_entries: BTreeMap, ValueWithPrevRevRef>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/kvr.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let x = KeyValueRevision::::try_init("example.db", true) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/kvr.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let x = KeyValueRevision::::try_init("example.db", true) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 55.23s [INFO] running `Command { std: "docker" "inspect" "4bc802fe7c628e446cae292f17ae08954a651df613405e889bbff22830e587ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bc802fe7c628e446cae292f17ae08954a651df613405e889bbff22830e587ef", kill_on_drop: false }` [INFO] [stdout] 4bc802fe7c628e446cae292f17ae08954a651df613405e889bbff22830e587ef