[INFO] cloning repository https://github.com/Rigor-Cloud/rigor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rigor-Cloud/rigor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRigor-Cloud%2Frigor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRigor-Cloud%2Frigor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d699d6174696d26327673aa456be5684d1db174
[INFO] checking Rigor-Cloud/rigor against 65b20a97de33e9e59992793a144aef2950c48c76 for pr-154715
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRigor-Cloud%2Frigor" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Rigor-Cloud/rigor
[INFO] finished tweaking git repo https://github.com/Rigor-Cloud/rigor
[INFO] tweaked toml for git repo https://github.com/Rigor-Cloud/rigor written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Rigor-Cloud/rigor on toolchain 65b20a97de33e9e59992793a144aef2950c48c76
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Rigor-Cloud/rigor 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" "+65b20a97de33e9e59992793a144aef2950c48c76" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ddc335eca5590ad11d536d5eda41864c3187a400d76f19150f6cb87e828d16da
[INFO] running `Command { std: "docker" "start" "ddc335eca5590ad11d536d5eda41864c3187a400d76f19150f6cb87e828d16da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddc335eca5590ad11d536d5eda41864c3187a400d76f19150f6cb87e828d16da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ddc335eca5590ad11d536d5eda41864c3187a400d76f19150f6cb87e828d16da" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddc335eca5590ad11d536d5eda41864c3187a400d76f19150f6cb87e828d16da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ddc335eca5590ad11d536d5eda41864c3187a400d76f19150f6cb87e828d16da" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> crates/rigor/src/cli/logs.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, BufReader, Read, Seek, SeekFrom};
[INFO] [stdout]   |                                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SessionEntry`
[INFO] [stdout]  --> crates/rigor/src/cli/logs.rs:6:46
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::logging::session_registry::{self, SessionEntry};
[INFO] [stdout]   |                                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> crates/rigor/src/cli/logs.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, BufReader, Read, Seek, SeekFrom};
[INFO] [stdout]   |                                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SessionEntry`
[INFO] [stdout]  --> crates/rigor/src/cli/logs.rs:6:46
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::logging::session_registry::{self, SessionEntry};
[INFO] [stdout]   |                                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `lsp_types::InitializeParams::root_uri`: Use `workspace_folders` instead when possible
[INFO] [stdout]   --> crates/rigor/src/lsp/client.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             root_uri: Some(root_uri.clone()),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `lsp_types::InitializeParams::root_uri`: Use `workspace_folders` instead when possible
[INFO] [stdout]   --> crates/rigor/src/lsp/client.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             root_uri: Some(root_uri.clone()),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> crates/rigor/src/cli/refine.rs:427:10
[INFO] [stdout]     |
[INFO] [stdout] 427 |     for (i, line) in lines.iter().enumerate() {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error_msg`
[INFO] [stdout]     --> crates/rigor/src/daemon/proxy.rs:1561:37
[INFO] [stdout]      |
[INFO] [stdout] 1561 | ...                   let error_msg = format!(
[INFO] [stdout]      |                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_error_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `blocked` is never read
[INFO] [stdout]     --> crates/rigor/src/daemon/proxy.rs:1857:21
[INFO] [stdout]      |
[INFO] [stdout] 1857 |                     blocked = true;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `disabled_constraints`
[INFO] [stdout]    --> crates/rigor/src/daemon/proxy.rs:775:24
[INFO] [stdout]     |
[INFO] [stdout] 775 |     let (proxy_paused, disabled_constraints) = {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_disabled_constraints`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `api_key`
[INFO] [stdout]    --> crates/rigor/src/daemon/proxy.rs:954:22
[INFO] [stdout]     |
[INFO] [stdout] 954 |     let (target_api, api_key, epistemic_context, event_tx, constraints_count, http_client, fallback) = {
[INFO] [stdout]     |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_api_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> crates/rigor/src/cli/refine.rs:427:10
[INFO] [stdout]     |
[INFO] [stdout] 427 |     for (i, line) in lines.iter().enumerate() {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]     --> crates/rigor/src/daemon/proxy.rs:2509:5
[INFO] [stdout]      |
[INFO] [stdout] 2509 |     path: &str,
[INFO] [stdout]      |     ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error_msg`
[INFO] [stdout]     --> crates/rigor/src/daemon/proxy.rs:1561:37
[INFO] [stdout]      |
[INFO] [stdout] 1561 | ...                   let error_msg = format!(
[INFO] [stdout]      |                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_error_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `blocked` is never read
[INFO] [stdout]     --> crates/rigor/src/daemon/proxy.rs:1857:21
[INFO] [stdout]      |
[INFO] [stdout] 1857 |                     blocked = true;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `disabled_constraints`
[INFO] [stdout]    --> crates/rigor/src/daemon/proxy.rs:775:24
[INFO] [stdout]     |
[INFO] [stdout] 775 |     let (proxy_paused, disabled_constraints) = {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_disabled_constraints`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `api_key`
[INFO] [stdout]    --> crates/rigor/src/daemon/proxy.rs:954:22
[INFO] [stdout]     |
[INFO] [stdout] 954 |     let (target_api, api_key, epistemic_context, event_tx, constraints_count, http_client, fallback) = {
[INFO] [stdout]     |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_api_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]     --> crates/rigor/src/daemon/proxy.rs:2509:5
[INFO] [stdout]      |
[INFO] [stdout] 2509 |     path: &str,
[INFO] [stdout]      |     ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> crates/rigor/src/lsp/client.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let mut child = Command::new(&server.command)
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> crates/rigor/src/lsp/client.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let response = client.send_request("initialize", serde_json::to_value(init_params)?)?;
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> crates/rigor/src/lsp/client.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let mut child = Command::new(&server.command)
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> crates/rigor/src/lsp/client.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let response = client.send_request("initialize", serde_json::to_value(init_params)?)?;
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 09s
[INFO] running `Command { std: "docker" "inspect" "ddc335eca5590ad11d536d5eda41864c3187a400d76f19150f6cb87e828d16da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc335eca5590ad11d536d5eda41864c3187a400d76f19150f6cb87e828d16da", kill_on_drop: false }`
[INFO] [stdout] ddc335eca5590ad11d536d5eda41864c3187a400d76f19150f6cb87e828d16da