[INFO] fetching crate tusk 0.0.1...
[INFO] testing tusk-0.0.1 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate tusk 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate tusk 0.0.1
[INFO] finished tweaking crates.io crate tusk 0.0.1
[INFO] tweaked toml for crates.io crate tusk 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tusk 0.0.1 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 254 packages to latest compatible versions
[INFO] [stderr]       Adding actix-web v0.7.19 (available: v4.13.0)
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[INFO] [stderr]       Adding clap v2.34.0 (available: v4.6.1)
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.8.2)
[INFO] [stderr]       Adding crossbeam v0.7.3 (available: v0.8.4)
[INFO] [stderr]       Adding env_logger v0.6.2 (available: v0.11.10)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.10.1)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c032b5b06ead4ba2e5e7be4e9d28df2fe8d541e1a432d8727fd59fd305eb140
[INFO] running `Command { std: "docker" "start" "-a" "6c032b5b06ead4ba2e5e7be4e9d28df2fe8d541e1a432d8727fd59fd305eb140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c032b5b06ead4ba2e5e7be4e9d28df2fe8d541e1a432d8727fd59fd305eb140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c032b5b06ead4ba2e5e7be4e9d28df2fe8d541e1a432d8727fd59fd305eb140", kill_on_drop: false }`
[INFO] [stdout] 6c032b5b06ead4ba2e5e7be4e9d28df2fe8d541e1a432d8727fd59fd305eb140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d7f5ade5b9ceb98537941aa7f99649ea83821038c9262f37f0f06ac1e0c22c5
[INFO] running `Command { std: "docker" "start" "-a" "6d7f5ade5b9ceb98537941aa7f99649ea83821038c9262f37f0f06ac1e0c22c5", kill_on_drop: false }`
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[INFO] [stderr]    Compiling sha1 v0.6.1
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling failure v0.1.8
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[INFO] [stderr]    Compiling trust-dns-proto v0.6.3
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[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling trust-dns-resolver v0.10.3
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling actix v0.7.9
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling cookie v0.11.5
[INFO] [stderr]    Compiling actix-net v0.2.6
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling tusk v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/tusk/mod.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         /// Load the agent
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 58 |         let reader = File::open(&master_config_file_buf)?;
[INFO] [stdout]    |         -------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/plugins/inputs/mod.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             _ => unimplemented!(),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/plugins/inputs/mod.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             InputFormat::JSON => serde_json::from_reader(input)?,
[INFO] [stdout]    |             ----------------- matches some of the same values
[INFO] [stdout] 61 |             InputFormat::YAML => serde_yaml::from_reader(input)?,
[INFO] [stdout]    |             ----------------- matches some of the same values
[INFO] [stdout] 62 |             InputFormat::Bincode => bincode::deserialize_from(input)?,
[INFO] [stdout]    |             -------------------- matches some of the same values
[INFO] [stdout] 63 |             _ => unimplemented!(),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/plugins/outputs/mod.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             _ => unimplemented!(),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/plugins/outputs/mod.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             OutputFormat::JSON => serde_json::to_writer(output, &readings)?,
[INFO] [stdout]    |             ------------------ matches some of the same values
[INFO] [stdout] 47 |             OutputFormat::YAML => serde_yaml::to_writer(output, &readings)?,
[INFO] [stdout]    |             ------------------ matches some of the same values
[INFO] [stdout] 48 |             OutputFormat::Bincode => bincode::serialize_into(output, &readings)?,
[INFO] [stdout]    |             --------------------- matches some of the same values
[INFO] [stdout] 49 |             _ => unimplemented!(),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/tusk/mod.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn default() -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] ...
[INFO] [stdout] 44 |             ..Default::default()
[INFO] [stdout]    |               ------------------ recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wrapped`, `filter`, `tags`, and `dimensions` are never read
[INFO] [stdout]   --> src/tusk/wrapper.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Wrapper<P> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 11 |     wrapped: P,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     filter: Option<filter::Filter>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     #[serde(default)]
[INFO] [stdout] 17 |     tags: Vec<Tag>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     #[serde(default)]
[INFO] [stdout] 19 |     dimensions: Dimensions,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Wrapper` has a derived impl for the trait `Clone`, 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: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/plugins/mod.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug, Fail)]
[INFO] [stdout]    |                 ^---
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Fail` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_PluginError`
[INFO] [stdout] 14 | pub enum PluginError {
[INFO] [stdout]    |          ----------- `PluginError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/plugins/mod.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug, Fail)]
[INFO] [stdout]    |                 ^---
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Display` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_PluginError`
[INFO] [stdout] 14 | pub enum PluginError {
[INFO] [stdout]    |          ----------- `PluginError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/plugins/outputs/stdout.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | /         self.format
[INFO] [stdout] 17 | |             .to_writer(BufWriter::new(io::stdout()), &readings);
[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] 16 |         let _ = self.format
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3, v_htmlescape v0.4.5
[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" "6d7f5ade5b9ceb98537941aa7f99649ea83821038c9262f37f0f06ac1e0c22c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d7f5ade5b9ceb98537941aa7f99649ea83821038c9262f37f0f06ac1e0c22c5", kill_on_drop: false }`
[INFO] [stdout] 6d7f5ade5b9ceb98537941aa7f99649ea83821038c9262f37f0f06ac1e0c22c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a515c1bfca7be8a202f68ac966d01424cb2c7408a6b9687aa8cf1151afb4ddb5
[INFO] running `Command { std: "docker" "start" "-a" "a515c1bfca7be8a202f68ac966d01424cb2c7408a6b9687aa8cf1151afb4ddb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling tusk v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/tusk/mod.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         /// Load the agent
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 58 |         let reader = File::open(&master_config_file_buf)?;
[INFO] [stdout]    |         -------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/plugins/inputs/mod.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             _ => unimplemented!(),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/plugins/inputs/mod.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             InputFormat::JSON => serde_json::from_reader(input)?,
[INFO] [stdout]    |             ----------------- matches some of the same values
[INFO] [stdout] 61 |             InputFormat::YAML => serde_yaml::from_reader(input)?,
[INFO] [stdout]    |             ----------------- matches some of the same values
[INFO] [stdout] 62 |             InputFormat::Bincode => bincode::deserialize_from(input)?,
[INFO] [stdout]    |             -------------------- matches some of the same values
[INFO] [stdout] 63 |             _ => unimplemented!(),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/plugins/outputs/mod.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             _ => unimplemented!(),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/plugins/outputs/mod.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             OutputFormat::JSON => serde_json::to_writer(output, &readings)?,
[INFO] [stdout]    |             ------------------ matches some of the same values
[INFO] [stdout] 47 |             OutputFormat::YAML => serde_yaml::to_writer(output, &readings)?,
[INFO] [stdout]    |             ------------------ matches some of the same values
[INFO] [stdout] 48 |             OutputFormat::Bincode => bincode::serialize_into(output, &readings)?,
[INFO] [stdout]    |             --------------------- matches some of the same values
[INFO] [stdout] 49 |             _ => unimplemented!(),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/tusk/mod.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn default() -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] ...
[INFO] [stdout] 44 |             ..Default::default()
[INFO] [stdout]    |               ------------------ recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wrapped`, `filter`, `tags`, and `dimensions` are never read
[INFO] [stdout]   --> src/tusk/wrapper.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Wrapper<P> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 11 |     wrapped: P,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     filter: Option<filter::Filter>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     #[serde(default)]
[INFO] [stdout] 17 |     tags: Vec<Tag>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     #[serde(default)]
[INFO] [stdout] 19 |     dimensions: Dimensions,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Wrapper` has a derived impl for the trait `Clone`, 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: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/plugins/mod.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug, Fail)]
[INFO] [stdout]    |                 ^---
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Fail` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_PluginError`
[INFO] [stdout] 14 | pub enum PluginError {
[INFO] [stdout]    |          ----------- `PluginError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/plugins/mod.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug, Fail)]
[INFO] [stdout]    |                 ^---
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Display` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_PluginError`
[INFO] [stdout] 14 | pub enum PluginError {
[INFO] [stdout]    |          ----------- `PluginError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/plugins/outputs/stdout.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | /         self.format
[INFO] [stdout] 17 | |             .to_writer(BufWriter::new(io::stdout()), &readings);
[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] 16 |         let _ = self.format
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.41s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11, nom v4.2.3, v_htmlescape v0.4.5
[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" "a515c1bfca7be8a202f68ac966d01424cb2c7408a6b9687aa8cf1151afb4ddb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a515c1bfca7be8a202f68ac966d01424cb2c7408a6b9687aa8cf1151afb4ddb5", kill_on_drop: false }`
[INFO] [stdout] a515c1bfca7be8a202f68ac966d01424cb2c7408a6b9687aa8cf1151afb4ddb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b55bd78ef4384e0dac37675b6ccf0ecb34a75d00dea1dcca051d88f8701ebc39
[INFO] running `Command { std: "docker" "start" "-a" "b55bd78ef4384e0dac37675b6ccf0ecb34a75d00dea1dcca051d88f8701ebc39", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/tusk/mod.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         /// Load the agent
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 58 |         let reader = File::open(&master_config_file_buf)?;
[INFO] [stderr]    |         -------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/plugins/inputs/mod.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             _ => unimplemented!(),
[INFO] [stderr]    |             ^ no value can reach this
[INFO] [stderr]    |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]   --> src/plugins/inputs/mod.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |             InputFormat::JSON => serde_json::from_reader(input)?,
[INFO] [stderr]    |             ----------------- matches some of the same values
[INFO] [stderr] 61 |             InputFormat::YAML => serde_yaml::from_reader(input)?,
[INFO] [stderr]    |             ----------------- matches some of the same values
[INFO] [stderr] 62 |             InputFormat::Bincode => bincode::deserialize_from(input)?,
[INFO] [stderr]    |             -------------------- matches some of the same values
[INFO] [stderr] 63 |             _ => unimplemented!(),
[INFO] [stderr]    |             ^ collectively making this unreachable
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/plugins/outputs/mod.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |             _ => unimplemented!(),
[INFO] [stderr]    |             ^ no value can reach this
[INFO] [stderr]    |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]   --> src/plugins/outputs/mod.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             OutputFormat::JSON => serde_json::to_writer(output, &readings)?,
[INFO] [stderr]    |             ------------------ matches some of the same values
[INFO] [stderr] 47 |             OutputFormat::YAML => serde_yaml::to_writer(output, &readings)?,
[INFO] [stderr]    |             ------------------ matches some of the same values
[INFO] [stderr] 48 |             OutputFormat::Bincode => bincode::serialize_into(output, &readings)?,
[INFO] [stderr]    |             --------------------- matches some of the same values
[INFO] [stderr] 49 |             _ => unimplemented!(),
[INFO] [stderr]    |             ^ collectively making this unreachable
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/tusk/mod.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn default() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] ...
[INFO] [stderr] 44 |             ..Default::default()
[INFO] [stderr]    |               ------------------ recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `wrapped`, `filter`, `tags`, and `dimensions` are never read
[INFO] [stderr]   --> src/tusk/wrapper.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Wrapper<P> {
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] 11 |     wrapped: P,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 15 |     filter: Option<filter::Filter>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 16 |     #[serde(default)]
[INFO] [stderr] 17 |     tags: Vec<Tag>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 18 |     #[serde(default)]
[INFO] [stderr] 19 |     dimensions: Dimensions,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Wrapper` has a derived impl for the trait `Clone`, 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: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]   --> src/plugins/mod.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[derive(Debug, Fail)]
[INFO] [stderr]    |                 ^---
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 `Fail` is not local
[INFO] [stderr]    |                 move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_PluginError`
[INFO] [stderr] 14 | pub enum PluginError {
[INFO] [stderr]    |          ----------- `PluginError` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stderr]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stderr]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stderr]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]   --> src/plugins/mod.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[derive(Debug, Fail)]
[INFO] [stderr]    |                 ^---
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 `Display` is not local
[INFO] [stderr]    |                 move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_PluginError`
[INFO] [stderr] 14 | pub enum PluginError {
[INFO] [stderr]    |          ----------- `PluginError` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stderr]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stderr]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/plugins/outputs/stdout.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | /         self.format
[INFO] [stderr] 17 | |             .to_writer(BufWriter::new(io::stdout()), &readings);
[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] 16 |         let _ = self.format
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tusk` (bin "tusk" test) generated 8 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11, nom v4.2.3, v_htmlescape v0.4.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tusk-e0fb4fbcdbd68efd)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test plugins::inputs::random::tests::test_random_int ... ok
[INFO] [stdout] test plugins::inputs::random::tests::test_random_float ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b55bd78ef4384e0dac37675b6ccf0ecb34a75d00dea1dcca051d88f8701ebc39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55bd78ef4384e0dac37675b6ccf0ecb34a75d00dea1dcca051d88f8701ebc39", kill_on_drop: false }`
[INFO] [stdout] b55bd78ef4384e0dac37675b6ccf0ecb34a75d00dea1dcca051d88f8701ebc39
