[INFO] cloning repository https://github.com/dalance/softether_exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dalance/softether_exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fsoftether_exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fsoftether_exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77ff967b628e126e088480e3b52da6ddd0a07630
[INFO] checking dalance/softether_exporter against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fsoftether_exporter" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dalance/softether_exporter 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] removed /workspace/builds/worker-5-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/dalance/softether_exporter
[INFO] finished tweaking git repo https://github.com/dalance/softether_exporter
[INFO] tweaked toml for git repo https://github.com/dalance/softether_exporter written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dalance/softether_exporter 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 56ce48030054b37163a925393408be828c9b56ac8d9cdcbdc00ecaede823076f
[INFO] running `Command { std: "docker" "start" "-a" "56ce48030054b37163a925393408be828c9b56ac8d9cdcbdc00ecaede823076f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56ce48030054b37163a925393408be828c9b56ac8d9cdcbdc00ecaede823076f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ce48030054b37163a925393408be828c9b56ac8d9cdcbdc00ecaede823076f", kill_on_drop: false }`
[INFO] [stdout] 56ce48030054b37163a925393408be828c9b56ac8d9cdcbdc00ecaede823076f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 46b01e138d31954ac0b3e4653668120ce55ddccdfbd339498aa2f39b4896b0b0
[INFO] running `Command { std: "docker" "start" "-a" "46b01e138d31954ac0b3e4653668120ce55ddccdfbd339498aa2f39b4896b0b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.74
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking equivalent v1.0.0
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling prometheus v0.13.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking winnow v0.6.5
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling syn v2.0.46
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking toml_edit v0.22.8
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stderr]     Checking softether_exporter v0.2.1-pre (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `prometheus` is imported redundantly
[INFO] [stdout]  --> src/exporter.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use prometheus;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `prometheus` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]   --> src/exporter.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use toml;
[INFO] [stdout]    |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `csv` is imported redundantly
[INFO] [stdout]  --> src/softether_reader.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use csv;
[INFO] [stdout]   |     ^^^ the item `csv` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `prometheus` is imported redundantly
[INFO] [stdout]  --> src/exporter.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use prometheus;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `prometheus` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]   --> src/exporter.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use toml;
[INFO] [stdout]    |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `csv` is imported redundantly
[INFO] [stdout]  --> src/softether_reader.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use csv;
[INFO] [stdout]   |     ^^^ the item `csv` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `vlan_id`, `location`, `source`, and `connections` are never read
[INFO] [stdout]    --> src/softether_reader.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 354 | pub struct HubSession {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 355 |     pub name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 356 |     pub vlan_id: String,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 357 |     pub location: String,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 358 |     pub user: String,
[INFO] [stdout] 359 |     pub source: String,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 360 |     pub connections: (f64, f64),
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HubSession` has a derived impl for the trait `Debug`, 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0
[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" "46b01e138d31954ac0b3e4653668120ce55ddccdfbd339498aa2f39b4896b0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b01e138d31954ac0b3e4653668120ce55ddccdfbd339498aa2f39b4896b0b0", kill_on_drop: false }`
[INFO] [stdout] 46b01e138d31954ac0b3e4653668120ce55ddccdfbd339498aa2f39b4896b0b0