[INFO] fetching crate tusk 0.0.1...
[INFO] checking tusk-0.0.1 against master#b389b0ab72cb0aa9acf4df0ae0c0e12090782da9 for pr-128351-1
[INFO] extracting crate tusk 0.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate tusk 0.0.1 on toolchain b389b0ab72cb0aa9acf4df0ae0c0e12090782da9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.6.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e325e7e5787085e6651c051daacbadbade69a823ff5915e3830882958618867a
[INFO] running `Command { std: "docker" "start" "-a" "e325e7e5787085e6651c051daacbadbade69a823ff5915e3830882958618867a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e325e7e5787085e6651c051daacbadbade69a823ff5915e3830882958618867a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e325e7e5787085e6651c051daacbadbade69a823ff5915e3830882958618867a", kill_on_drop: false }`
[INFO] [stdout] e325e7e5787085e6651c051daacbadbade69a823ff5915e3830882958618867a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0085aa8d72257849bc397ad06e7220b92835360254076f881e7f1d6507adf25e
[INFO] running `Command { std: "docker" "start" "-a" "0085aa8d72257849bc397ad06e7220b92835360254076f881e7f1d6507adf25e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling syn v2.0.72
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[INFO] [stderr]     Checking criterion-plot v0.3.1
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[INFO] [stderr]    Compiling serde_derive v1.0.204
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[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
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[INFO] [stderr]     Checking zerocopy v0.7.35
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[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking actix-net v0.2.6
[INFO] [stderr]     Checking serde_json v1.0.122
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[INFO] [stderr]     Checking serde_yaml v0.8.26
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[INFO] [stderr]     Checking actix-web v0.7.19
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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]    |             ^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout] note: these patterns collectively make the last one unreachable
[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)]` 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]    |             ^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout] note: these patterns collectively make the last one unreachable
[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: unreachable pattern
[INFO] [stdout]   --> src/plugins/inputs/mod.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             _ => unimplemented!(),
[INFO] [stdout]    |             ^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout] note: these patterns collectively make the last one unreachable
[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)]` 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]    |             ^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout] note: these patterns collectively make the last one unreachable
[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)]` on by default
[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: 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)]` 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] [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)]` on by default
[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)]` 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] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.49s
[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
[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" "0085aa8d72257849bc397ad06e7220b92835360254076f881e7f1d6507adf25e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0085aa8d72257849bc397ad06e7220b92835360254076f881e7f1d6507adf25e", kill_on_drop: false }`
[INFO] [stdout] 0085aa8d72257849bc397ad06e7220b92835360254076f881e7f1d6507adf25e