[INFO] fetching crate prometheus-linux-nfsdv4-exporter 1.1.3... [INFO] testing prometheus-linux-nfsdv4-exporter-1.1.3 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate prometheus-linux-nfsdv4-exporter 1.1.3 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate prometheus-linux-nfsdv4-exporter 1.1.3 [INFO] finished tweaking crates.io crate prometheus-linux-nfsdv4-exporter 1.1.3 [INFO] tweaked toml for crates.io crate prometheus-linux-nfsdv4-exporter 1.1.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate prometheus-linux-nfsdv4-exporter 1.1.3 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate prometheus-linux-nfsdv4-exporter 1.1.3 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b882c93689ea429fcec9cb4f48a19cb8da214e7ef928aa4e71c90a3e288afec9 [INFO] running `Command { std: "docker" "start" "-a" "b882c93689ea429fcec9cb4f48a19cb8da214e7ef928aa4e71c90a3e288afec9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b882c93689ea429fcec9cb4f48a19cb8da214e7ef928aa4e71c90a3e288afec9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b882c93689ea429fcec9cb4f48a19cb8da214e7ef928aa4e71c90a3e288afec9", kill_on_drop: false }` [INFO] [stdout] b882c93689ea429fcec9cb4f48a19cb8da214e7ef928aa4e71c90a3e288afec9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b0d5990fbb9ab3aafdcb6167af157969d3df9140abd1d11cca16c278b07f6d94 [INFO] running `Command { std: "docker" "start" "-a" "b0d5990fbb9ab3aafdcb6167af157969d3df9140abd1d11cca16c278b07f6d94", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling http v0.2.6 [INFO] [stderr] Compiling futures-sink v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling tinyvec v1.5.1 [INFO] [stderr] Compiling httparse v1.6.0 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Compiling unicode-bidi v0.3.7 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling cpufeatures v0.2.2 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling tracing-core v0.1.23 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling pin-project-internal v0.4.29 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling tracing v0.1.32 [INFO] [stderr] Compiling crypto-common v0.1.3 [INFO] [stderr] Compiling block-buffer v0.10.2 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling rle-decode-fast v1.0.3 [INFO] [stderr] Compiling digest v0.10.3 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling libflate_lz77 v1.1.0 [INFO] [stderr] Compiling sha-1 v0.9.8 [INFO] [stderr] Compiling input_buffer v0.3.1 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling base64 v0.12.3 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling fastrand v1.7.0 [INFO] [stderr] Compiling protobuf v2.27.1 [INFO] [stderr] Compiling buf_redux v0.8.4 [INFO] [stderr] Compiling tungstenite v0.11.1 [INFO] [stderr] Compiling tempfile v3.3.0 [INFO] [stderr] Compiling libflate v1.2.0 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling sha-1 v0.10.0 [INFO] [stderr] Compiling headers-core v0.2.0 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling socket2 v0.3.19 [INFO] [stderr] Compiling twoway v0.1.8 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling prometheus v0.9.0 [INFO] [stderr] Compiling dtoa v0.4.8 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling futures-io v0.3.21 [INFO] [stderr] Compiling semver v1.0.7 [INFO] [stderr] Compiling futures v0.3.21 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling headers v0.3.7 [INFO] [stderr] Compiling multipart v0.17.1 [INFO] [stderr] Compiling procfs v0.7.9 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling yaml-rust v0.3.5 [INFO] [stderr] Compiling urlencoding v1.3.3 [INFO] [stderr] Compiling nix v0.22.3 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling pin-project v1.0.10 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling pin-project v0.4.29 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling tokio-tungstenite v0.11.0 [INFO] [stderr] Compiling h2 v0.2.7 [INFO] [stderr] Compiling hyper v0.13.10 [INFO] [stderr] Compiling warp v0.2.5 [INFO] [stderr] Compiling prometheus-linux-nfsdv4-exporter v1.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `clientid` is never read [INFO] [stdout] --> src/nfs/nfsv4.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 35 | pub struct Nfsv4Client { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 36 | pub clientid: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Nfsv4Client` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_type_of` is never used [INFO] [stdout] --> src/utils/helper.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn print_type_of(_: &T) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 81 | / match matches.subcommand() { [INFO] [stdout] 82 | | ("set", Some(m)) => start_prometheus(m), [INFO] [stdout] 83 | | _ => Ok(help()), [INFO] [stdout] 84 | | }; [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 81 | let _ = match matches.subcommand() { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 32s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.17.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "b0d5990fbb9ab3aafdcb6167af157969d3df9140abd1d11cca16c278b07f6d94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0d5990fbb9ab3aafdcb6167af157969d3df9140abd1d11cca16c278b07f6d94", kill_on_drop: false }` [INFO] [stdout] b0d5990fbb9ab3aafdcb6167af157969d3df9140abd1d11cca16c278b07f6d94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3f728194051ed6a2e6a661d7f18e1d444c7cb6ba2fd4ea93923df4c3741a699d [INFO] running `Command { std: "docker" "start" "-a" "3f728194051ed6a2e6a661d7f18e1d444c7cb6ba2fd4ea93923df4c3741a699d", kill_on_drop: false }` [INFO] [stderr] Compiling prometheus-linux-nfsdv4-exporter v1.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `clientid` is never read [INFO] [stdout] --> src/nfs/nfsv4.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 35 | pub struct Nfsv4Client { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 36 | pub clientid: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Nfsv4Client` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_type_of` is never used [INFO] [stdout] --> src/utils/helper.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn print_type_of(_: &T) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 81 | / match matches.subcommand() { [INFO] [stdout] 82 | | ("set", Some(m)) => start_prometheus(m), [INFO] [stdout] 83 | | _ => Ok(help()), [INFO] [stdout] 84 | | }; [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 81 | let _ = match matches.subcommand() { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.01s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.17.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "3f728194051ed6a2e6a661d7f18e1d444c7cb6ba2fd4ea93923df4c3741a699d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f728194051ed6a2e6a661d7f18e1d444c7cb6ba2fd4ea93923df4c3741a699d", kill_on_drop: false }` [INFO] [stdout] 3f728194051ed6a2e6a661d7f18e1d444c7cb6ba2fd4ea93923df4c3741a699d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6e5a612c6942af6b54d62b524a6d59586c841e98b142ed410c6cac73e4df7c3f [INFO] running `Command { std: "docker" "start" "-a" "6e5a612c6942af6b54d62b524a6d59586c841e98b142ed410c6cac73e4df7c3f", kill_on_drop: false }` [INFO] [stderr] warning: field `clientid` is never read [INFO] [stderr] --> src/nfs/nfsv4.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 35 | pub struct Nfsv4Client { [INFO] [stderr] | ----------- field in this struct [INFO] [stderr] 36 | pub clientid: String, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Nfsv4Client` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `print_type_of` is never used [INFO] [stderr] --> src/utils/helper.rs:74:8 [INFO] [stderr] | [INFO] [stderr] 74 | pub fn print_type_of(_: &T) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:81:5 [INFO] [stderr] | [INFO] [stderr] 81 | / match matches.subcommand() { [INFO] [stderr] 82 | | ("set", Some(m)) => start_prometheus(m), [INFO] [stderr] 83 | | _ => Ok(help()), [INFO] [stderr] 84 | | }; [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 81 | let _ = match matches.subcommand() { [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `prometheus-linux-nfsdv4-exporter` (bin "prometheus-linux-nfsdv4-exporter" test) generated 3 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.17.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prometheus_linux_nfsdv4_exporter-3d86dd24db48f534) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6e5a612c6942af6b54d62b524a6d59586c841e98b142ed410c6cac73e4df7c3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e5a612c6942af6b54d62b524a6d59586c841e98b142ed410c6cac73e4df7c3f", kill_on_drop: false }` [INFO] [stdout] 6e5a612c6942af6b54d62b524a6d59586c841e98b142ed410c6cac73e4df7c3f