[INFO] fetching crate qudag-mcp 0.5.0...
[INFO] checking qudag-mcp-0.5.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate qudag-mcp 0.5.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate qudag-mcp 0.5.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate qudag-mcp 0.5.0
[INFO] tweaked toml for crates.io crate qudag-mcp 0.5.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qudag-mcp 0.5.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate qudag-mcp 0.5.0 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05d28cf1bc3a7490b7c6fb8c69a3f723f7cc888b8e1ce2f4a67c278f6ed3f4b4
[INFO] running `Command { std: "docker" "start" "-a" "05d28cf1bc3a7490b7c6fb8c69a3f723f7cc888b8e1ce2f4a67c278f6ed3f4b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05d28cf1bc3a7490b7c6fb8c69a3f723f7cc888b8e1ce2f4a67c278f6ed3f4b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d28cf1bc3a7490b7c6fb8c69a3f723f7cc888b8e1ce2f4a67c278f6ed3f4b4", kill_on_drop: false }`
[INFO] [stdout] 05d28cf1bc3a7490b7c6fb8c69a3f723f7cc888b8e1ce2f4a67c278f6ed3f4b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e83939ae5e2689dfd0296e2cdb36e6149318e3b89082f2b8e2b40a3d44176964
[INFO] running `Command { std: "docker" "start" "-a" "e83939ae5e2689dfd0296e2cdb36e6149318e3b89082f2b8e2b40a3d44176964", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `UNIX_EPOCH`
[INFO] [stdout]  --> src/auth.rs:6:29
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/error.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/events.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::error::{Error, Result};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/resources/dag.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     error::{Error, Result},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/resources/network.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     error::{Error, Result},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/resources/system.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     error::{Error, Result},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/resources/vault.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     error::{Error, Result},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/tools/dag.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `get_optional_bool_arg`, `get_optional_string_arg`, and `get_optional_u64_arg`
[INFO] [stdout]  --> src/tools/dag.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     get_optional_bool_arg, get_optional_string_arg, get_optional_u64_arg, get_required_string_arg,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/tools/network.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `get_optional_bool_arg`, `get_optional_string_arg`, and `get_optional_u64_arg`
[INFO] [stdout]  --> src/tools/network.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     get_optional_bool_arg, get_optional_string_arg, get_optional_u64_arg, get_required_string_arg,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/tools/vault.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UNIX_EPOCH`
[INFO] [stdout]  --> src/auth.rs:6:29
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/error.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/events.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::error::{Error, Result};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/resources/dag.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     error::{Error, Result},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/resources/network.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     error::{Error, Result},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/resources/system.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     error::{Error, Result},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/resources/vault.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     error::{Error, Result},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/tools/dag.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `get_optional_bool_arg`, `get_optional_string_arg`, and `get_optional_u64_arg`
[INFO] [stdout]  --> src/tools/dag.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     get_optional_bool_arg, get_optional_string_arg, get_optional_u64_arg, get_required_string_arg,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/tools/network.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `get_optional_bool_arg`, `get_optional_string_arg`, and `get_optional_u64_arg`
[INFO] [stdout]  --> src/tools/network.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     get_optional_bool_arg, get_optional_string_arg, get_optional_u64_arg, get_required_string_arg,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/tools/vault.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/resources/mod.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 |         for (name, resource) in &self.resources {
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `final_password`
[INFO] [stdout]   --> src/tools/vault.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let final_password = if generate {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_final_password`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/resources/mod.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 |         for (name, resource) in &self.resources {
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `final_password`
[INFO] [stdout]   --> src/tools/vault.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let final_password = if generate {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_final_password`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `source` found for enum `error::Error` in the current scope
[INFO] [stdout]    --> src/error.rs:547:21
[INFO] [stdout]     |
[INFO] [stdout]  14 | pub enum Error {
[INFO] [stdout]     | -------------- method `source` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 547 |         assert!(err.source().is_some());
[INFO] [stdout]     |                     ^^^^^^ method not found in `error::Error`
[INFO] [stdout]    --> /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/core/src/error.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method is available for `error::Error` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Error` which provides `source` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 532 +     use std::error::Error;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a variant with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 547 |         assert!(err.Resource().is_some());
[INFO] [stdout]     |                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/transport.rs:511:13
[INFO] [stdout]     |
[INFO] [stdout] 511 |         let mut transport = transport_result.unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `message_queue` is never read
[INFO] [stdout]    --> src/transport.rs:412:5
[INFO] [stdout]     |
[INFO] [stdout] 410 | pub struct HttpServerTransport {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] 411 |     connected: bool,
[INFO] [stdout] 412 |     message_queue: std::collections::VecDeque<MCPMessage>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InitializeResult` is never constructed
[INFO] [stdout]    --> src/protocol.rs:385:12
[INFO] [stdout]     |
[INFO] [stdout] 385 | pub struct InitializeResult {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LoggingMessageParams` is never constructed
[INFO] [stdout]    --> src/protocol.rs:421:12
[INFO] [stdout]     |
[INFO] [stdout] 421 | pub struct LoggingMessageParams {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `uri`, `name`, `description`, and `metadata` are never used
[INFO] [stdout]    --> src/resources/mod.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub trait McpResource {
[INFO] [stdout]     |           ----------- methods in this trait
[INFO] [stdout] 144 |     /// Get the resource URI
[INFO] [stdout] 145 |     fn uri(&self) -> &str;
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn name(&self) -> &str;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn description(&self) -> Option<&str>;
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 |     fn metadata(&self) -> HashMap<String, Value> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `validate_arguments` and `metadata` are never used
[INFO] [stdout]    --> src/tools/mod.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub trait McpTool {
[INFO] [stdout]     |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 144 |     fn validate_arguments(&self, arguments: Option<&Value>) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     fn metadata(&self) -> HashMap<String, Value> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qudag-mcp` (lib test) due to 1 previous error; 15 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e83939ae5e2689dfd0296e2cdb36e6149318e3b89082f2b8e2b40a3d44176964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e83939ae5e2689dfd0296e2cdb36e6149318e3b89082f2b8e2b40a3d44176964", kill_on_drop: false }`
[INFO] [stdout] e83939ae5e2689dfd0296e2cdb36e6149318e3b89082f2b8e2b40a3d44176964