[INFO] fetching crate prometheus-linux-nfsdv4-exporter 1.1.3...
[INFO] building prometheus-linux-nfsdv4-exporter-1.1.3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate prometheus-linux-nfsdv4-exporter 1.1.3 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometheus-linux-nfsdv4-exporter 1.1.3 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf885ef8d21b5d97dc0c010958cefd8d294024ec577da0c0a56e11a42550b59d
[INFO] running `Command { std: "docker" "start" "-a" "cf885ef8d21b5d97dc0c010958cefd8d294024ec577da0c0a56e11a42550b59d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf885ef8d21b5d97dc0c010958cefd8d294024ec577da0c0a56e11a42550b59d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf885ef8d21b5d97dc0c010958cefd8d294024ec577da0c0a56e11a42550b59d", kill_on_drop: false }`
[INFO] [stdout] cf885ef8d21b5d97dc0c010958cefd8d294024ec577da0c0a56e11a42550b59d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b98f809ae8d292747e02fd3738d7286fe29c8236085486126815ca13f6a5f29d
[INFO] running `Command { std: "docker" "start" "-a" "b98f809ae8d292747e02fd3738d7286fe29c8236085486126815ca13f6a5f29d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
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[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.90
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[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling itoa v1.0.1
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[INFO] [stderr]    Compiling bytes v0.5.6
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[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[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 unicase v2.6.0
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[INFO] [stderr]    Compiling pin-project-lite v0.1.12
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[INFO] [stderr]    Compiling want v0.3.0
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[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling multipart v0.17.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling procfs v0.7.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling headers v0.3.7
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling pin-project v0.4.29
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling nix v0.22.3
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling tokio-tungstenite v0.11.0
[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: 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>(_: &T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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] 
[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 45s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "b98f809ae8d292747e02fd3738d7286fe29c8236085486126815ca13f6a5f29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b98f809ae8d292747e02fd3738d7286fe29c8236085486126815ca13f6a5f29d", kill_on_drop: false }`
[INFO] [stdout] b98f809ae8d292747e02fd3738d7286fe29c8236085486126815ca13f6a5f29d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 477e0fd433c82bca30582aa12e57c2baf271137cf0a5cb7da98c91030151f049
[INFO] running `Command { std: "docker" "start" "-a" "477e0fd433c82bca30582aa12e57c2baf271137cf0a5cb7da98c91030151f049", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-linux-nfsdv4-exporter v1.1.3 (/opt/rustwide/workdir)
[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>(_: &T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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] 
[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 1.24s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "477e0fd433c82bca30582aa12e57c2baf271137cf0a5cb7da98c91030151f049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477e0fd433c82bca30582aa12e57c2baf271137cf0a5cb7da98c91030151f049", kill_on_drop: false }`
[INFO] [stdout] 477e0fd433c82bca30582aa12e57c2baf271137cf0a5cb7da98c91030151f049
