[INFO] cloning repository https://github.com/andir/dhcpd-exporter-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andir/dhcpd-exporter-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandir%2Fdhcpd-exporter-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandir%2Fdhcpd-exporter-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 44e0ed4614b0a32f22607f2a8519fef0e199ce0b [INFO] checking andir/dhcpd-exporter-rs against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandir%2Fdhcpd-exporter-rs" "/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/andir/dhcpd-exporter-rs on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/andir/dhcpd-exporter-rs [INFO] finished tweaking git repo https://github.com/andir/dhcpd-exporter-rs [INFO] tweaked toml for git repo https://github.com/andir/dhcpd-exporter-rs written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/andir/dhcpd-exporter-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2837f173bdcddd161df532b074aebdecd200e88cb9b16bb2cd409cc570c7e625 [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" "2837f173bdcddd161df532b074aebdecd200e88cb9b16bb2cd409cc570c7e625", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2837f173bdcddd161df532b074aebdecd200e88cb9b16bb2cd409cc570c7e625", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2837f173bdcddd161df532b074aebdecd200e88cb9b16bb2cd409cc570c7e625", kill_on_drop: false }` [INFO] [stdout] 2837f173bdcddd161df532b074aebdecd200e88cb9b16bb2cd409cc570c7e625 [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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b8a3042ceea60764a6f0689438a4d8acc21465515d96213ff58180120635267a [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" "b8a3042ceea60764a6f0689438a4d8acc21465515d96213ff58180120635267a", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling proc-macro2 v1.0.3 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling ucd-trie v0.1.2 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling serde v1.0.100 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling prometheus v0.7.0 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking pest v2.1.2 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_pcg v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling hyper v0.12.34 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking backtrace v0.3.37 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Compiling pest_meta v2.1.2 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking tokio-threadpool v0.1.15 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Compiling pest_generator v2.1.1 [INFO] [stderr] Checking ipnetwork v0.14.0 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking dhcpd-exporter-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Gauge` [INFO] [stdout] --> src/main.rs:22:30 [INFO] [stdout] | [INFO] [stdout] 22 | linear_buckets, Encoder, Gauge, Histogram, HistogramVec, IntGaugeVec, TextEncoder, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:199:24 [INFO] [stdout] | [INFO] [stdout] 199 | let filters: Vec<(&Fn(&&Lease) -> bool, &Fn(&&Lease) -> bool, &[&str])> = vec![ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&&Lease) -> bool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:199:46 [INFO] [stdout] | [INFO] [stdout] 199 | let filters: Vec<(&Fn(&&Lease) -> bool, &Fn(&&Lease) -> bool, &[&str])> = vec![ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&&Lease) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Gauge` [INFO] [stdout] --> src/main.rs:22:30 [INFO] [stdout] | [INFO] [stdout] 22 | linear_buckets, Encoder, Gauge, Histogram, HistogramVec, IntGaugeVec, TextEncoder, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:199:24 [INFO] [stdout] | [INFO] [stdout] 199 | let filters: Vec<(&Fn(&&Lease) -> bool, &Fn(&&Lease) -> bool, &[&str])> = vec![ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&&Lease) -> bool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:199:46 [INFO] [stdout] | [INFO] [stdout] 199 | let filters: Vec<(&Fn(&&Lease) -> bool, &Fn(&&Lease) -> bool, &[&str])> = vec![ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&&Lease) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.16s [INFO] running `Command { std: "docker" "inspect" "b8a3042ceea60764a6f0689438a4d8acc21465515d96213ff58180120635267a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8a3042ceea60764a6f0689438a4d8acc21465515d96213ff58180120635267a", kill_on_drop: false }` [INFO] [stdout] b8a3042ceea60764a6f0689438a4d8acc21465515d96213ff58180120635267a