[INFO] fetching crate braid-core 0.1.4...
[INFO] checking braid-core-0.1.4 against master#89a99936d9e76a50e8df622e7242190841fd871b for pr-156160-1
[INFO] extracting crate braid-core 0.1.4 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate braid-core 0.1.4
[INFO] finished tweaking crates.io crate braid-core 0.1.4
[INFO] tweaked toml for crates.io crate braid-core 0.1.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate braid-core 0.1.4 on toolchain 89a99936d9e76a50e8df622e7242190841fd871b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+89a99936d9e76a50e8df622e7242190841fd871b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate braid-core 0.1.4 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" "+89a99936d9e76a50e8df622e7242190841fd871b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:fd22e2154e7db748230f413534f3a6d034160c9d2b7c14b90fba4e9bfc1a36d4" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7753b50cb6265a8cfcbb1ef497a495364f10881dcd8b3735253910de4adbc06a
[INFO] running `Command { std: "docker" "start" "7753b50cb6265a8cfcbb1ef497a495364f10881dcd8b3735253910de4adbc06a", 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" "7753b50cb6265a8cfcbb1ef497a495364f10881dcd8b3735253910de4adbc06a" "/opt/rustwide/cargo-home/bin/cargo" "+89a99936d9e76a50e8df622e7242190841fd871b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7753b50cb6265a8cfcbb1ef497a495364f10881dcd8b3735253910de4adbc06a", 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" "7753b50cb6265a8cfcbb1ef497a495364f10881dcd8b3735253910de4adbc06a" "/opt/rustwide/cargo-home/bin/cargo" "+89a99936d9e76a50e8df622e7242190841fd871b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `crate::core::Version`
[INFO] [stdout]  --> src/core/server/middleware.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::core::Version;
[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: `std::collections::BTreeMap`
[INFO] [stdout]   --> src/core/server/middleware.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::collections::BTreeMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core::protocol_mod as protocol`
[INFO] [stdout]  --> src/core/server/send_update.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::core::protocol_mod as protocol;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `headers` and `media_types`
[INFO] [stdout]  --> src/core/server/send_update.rs:5:44
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::core::protocol_mod::constants::{headers, media_types};
[INFO] [stdout]   |                                            ^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Version`
[INFO] [stdout]  --> src/core/server/send_update.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::core::{Update, Version};
[INFO] [stdout]   |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HeaderValue`, `IntoResponse`, `Response`, `StatusCode`, `body::Body`, and `header`
[INFO] [stdout]   --> src/core/server/send_update.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  8 |     body::Body,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]  9 |     http::{header, HeaderValue, StatusCode},
[INFO] [stdout]    |            ^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 10 |     response::{IntoResponse, Response},
[INFO] [stdout]    |                ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]   --> src/core/server/send_update.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use bytes::Bytes;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]   --> src/core/server/send_update.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::collections::BTreeMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/antimatter/algorithm/prune.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::fs::sync::sync_local_to_remote`
[INFO] [stdout]  --> src/fs/watcher.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::fs::sync::sync_local_to_remote;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/core/merge/merge_type.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     use super::*;
[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: `serde_json::json`
[INFO] [stdout]    --> src/core/merge/merge_type.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     use serde_json::json;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core::Version`
[INFO] [stdout]  --> src/core/server/middleware.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::core::Version;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]   --> src/core/server/middleware.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::collections::BTreeMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core::protocol_mod as protocol`
[INFO] [stdout]  --> src/core/server/send_update.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::core::protocol_mod as protocol;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `headers` and `media_types`
[INFO] [stdout]  --> src/core/server/send_update.rs:5:44
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::core::protocol_mod::constants::{headers, media_types};
[INFO] [stdout]   |                                            ^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Version`
[INFO] [stdout]  --> src/core/server/send_update.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::core::{Update, Version};
[INFO] [stdout]   |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HeaderValue`, `IntoResponse`, `Response`, `StatusCode`, `body::Body`, and `header`
[INFO] [stdout]   --> src/core/server/send_update.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  8 |     body::Body,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]  9 |     http::{header, HeaderValue, StatusCode},
[INFO] [stdout]    |            ^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 10 |     response::{IntoResponse, Response},
[INFO] [stdout]    |                ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]   --> src/core/server/send_update.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use bytes::Bytes;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]   --> src/core/server/send_update.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::collections::BTreeMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core::Update`
[INFO] [stdout]    --> src/core/server/tests.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     use crate::core::Update;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core::server::SendUpdateExt`
[INFO] [stdout]    --> src/core/server/tests.rs:528:9
[INFO] [stdout]     |
[INFO] [stdout] 528 |     use crate::core::server::SendUpdateExt; // For status if it was there, but it's now in braid_http
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/antimatter/algorithm/prune.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/antimatter/tests.rs:5:40
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::antimatter::sequence_crdt::{self, SequenceElems, SequenceNode};
[INFO] [stdout]   |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::json`
[INFO] [stdout]  --> src/antimatter/tests.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_json::json;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::fs::sync::sync_local_to_remote`
[INFO] [stdout]  --> src/fs/watcher.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::fs::sync::sync_local_to_remote;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/fs/api.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut app = Router::new()
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/fs/api.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut app = Router::new()
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/core/merge/merge_type.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let mut registry = Self::default();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/merge/merge_type.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let mut registry = Self::default();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res2`
[INFO] [stdout]    --> src/core/server/tests.rs:752:13
[INFO] [stdout]     |
[INFO] [stdout] 752 |         let res2 = manager
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_res2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `merge`
[INFO] [stdout]   --> src/fs/server_handlers.rs:67:29
[INFO] [stdout]    |
[INFO] [stdout] 67 |                         let merge = merges.entry(path.clone()).or_insert_with(|| {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_merge`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParsedUpdate` is never constructed
[INFO] [stdout]   --> src/core/server/parse_update.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct ParsedUpdate {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_request_headers` is never used
[INFO] [stdout]   --> src/core/server/parse_update.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl ParsedUpdate {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 23 |     /// Create from HTTP request headers.
[INFO] [stdout] 24 |     pub fn from_request_headers(req: &Request) -> Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_push_binary` is never used
[INFO] [stdout]    --> src/fs/api.rs:469:10
[INFO] [stdout]     |
[INFO] [stdout] 469 | async fn handle_push_binary(
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `merge`
[INFO] [stdout]   --> src/fs/server_handlers.rs:67:29
[INFO] [stdout]    |
[INFO] [stdout] 67 |                         let merge = merges.entry(path.clone()).or_insert_with(|| {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_merge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParsedUpdate` is never constructed
[INFO] [stdout]   --> src/core/server/parse_update.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct ParsedUpdate {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_request_headers` is never used
[INFO] [stdout]   --> src/core/server/parse_update.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl ParsedUpdate {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 23 |     /// Create from HTTP request headers.
[INFO] [stdout] 24 |     pub fn from_request_headers(req: &Request) -> Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_push_binary` is never used
[INFO] [stdout]    --> src/fs/api.rs:469:10
[INFO] [stdout]     |
[INFO] [stdout] 469 | async fn handle_push_binary(
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "7753b50cb6265a8cfcbb1ef497a495364f10881dcd8b3735253910de4adbc06a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7753b50cb6265a8cfcbb1ef497a495364f10881dcd8b3735253910de4adbc06a", kill_on_drop: false }`
[INFO] [stdout] 7753b50cb6265a8cfcbb1ef497a495364f10881dcd8b3735253910de4adbc06a
