[INFO] fetching crate notmuch 0.8.0...
[INFO] checking notmuch-0.8.0 against try#377afada703be70d3fdff9164a481570a3cba7fe for pr-113240
[INFO] extracting crate notmuch 0.8.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate notmuch 0.8.0 on toolchain 377afada703be70d3fdff9164a481570a3cba7fe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate notmuch 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate notmuch 0.8.0
[INFO] tweaked toml for crates.io crate notmuch 0.8.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 861bdbcc1c90b2aac1159119290edbd4fe30bc5060fd1675d519513982154372
[INFO] running `Command { std: "docker" "start" "-a" "861bdbcc1c90b2aac1159119290edbd4fe30bc5060fd1675d519513982154372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "861bdbcc1c90b2aac1159119290edbd4fe30bc5060fd1675d519513982154372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861bdbcc1c90b2aac1159119290edbd4fe30bc5060fd1675d519513982154372", kill_on_drop: false }`
[INFO] [stdout] 861bdbcc1c90b2aac1159119290edbd4fe30bc5060fd1675d519513982154372
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0773dbc10cf524f3b13ffd94d583ecbe8f6efd058a756b5875458a45c36c7bab
[INFO] running `Command { std: "docker" "start" "-a" "0773dbc10cf524f3b13ffd94d583ecbe8f6efd058a756b5875458a45c36c7bab", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
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[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/messages.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/messages.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::DerefMut`
[INFO] [stdout]  --> src/messages.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::DerefMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/messages.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     use std::rc::Rc;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_escape]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/macros.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_escape]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/messages.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/messages.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::DerefMut`
[INFO] [stdout]  --> src/messages.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::DerefMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_escape]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/macros.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_escape]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `database::Database::open`: Replaced with `open_with_config`
[INFO] [stdout]    --> src/messages.rs:109:35
[INFO] [stdout]     |
[INFO] [stdout] 109 |         match database::Database::open(&String::new(), database::DatabaseMode::ReadOnly) {
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/config_list.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ConfigList {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 13 |     ptr: Rc<ConfigListPtr>,
[INFO] [stdout] 14 |     owner: Database,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfigList` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/directory.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Directory {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 13 |     ptr: Rc<DirectoryPtr>,
[INFO] [stdout] 14 |     owner: Database,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Directory` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `child_directories` is never used
[INFO] [stdout]   --> src/directory.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Directory {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn child_directories(&self) -> Filenames {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/filenames.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Filenames {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 31 |     ptr: Rc<FilenamesPtr>,
[INFO] [stdout] 32 |     owner: FilenamesOwner,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Filenames` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/index_opts.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct IndexOpts {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 20 |     pub(crate) ptr: Rc<IndexOptsPtr>,
[INFO] [stdout] 21 |     owner: Database,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IndexOpts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/message.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Message {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 40 |     ptr: Rc<MessagePtr>,
[INFO] [stdout] 41 |     owner: Box<MessageOwner>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/message_properties.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct MessageProperties {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 19 |     ptr: Rc<MessagePropertiesPtr>,
[INFO] [stdout] 20 |     owner: Message,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MessageProperties` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/messages.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Messages {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 33 |     ptr: Rc<MessagesPtr>,
[INFO] [stdout] 34 |     owner: Box<MessagesOwner>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Messages` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/query.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Query{
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 24 |     ptr: Rc<QueryPtr>,
[INFO] [stdout] 25 |     owner: Box<Database>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Query` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/tags.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct Tags
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 44 |     owner: TagsOwner,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tags` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/thread.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Thread {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 31 |     ptr: Rc<ThreadPtr>,
[INFO] [stdout] 32 |     owner: Box<ThreadOwner>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Thread` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/threads.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Threads
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     owner: Box<ThreadsOwner>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Threads` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/config_list.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ConfigList {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 13 |     ptr: Rc<ConfigListPtr>,
[INFO] [stdout] 14 |     owner: Database,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfigList` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/directory.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Directory {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 13 |     ptr: Rc<DirectoryPtr>,
[INFO] [stdout] 14 |     owner: Database,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Directory` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `child_directories` is never used
[INFO] [stdout]   --> src/directory.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Directory {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn child_directories(&self) -> Filenames {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/filenames.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Filenames {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 31 |     ptr: Rc<FilenamesPtr>,
[INFO] [stdout] 32 |     owner: FilenamesOwner,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Filenames` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/index_opts.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct IndexOpts {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 20 |     pub(crate) ptr: Rc<IndexOptsPtr>,
[INFO] [stdout] 21 |     owner: Database,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IndexOpts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/message.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Message {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 40 |     ptr: Rc<MessagePtr>,
[INFO] [stdout] 41 |     owner: Box<MessageOwner>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/message_properties.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct MessageProperties {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 19 |     ptr: Rc<MessagePropertiesPtr>,
[INFO] [stdout] 20 |     owner: Message,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MessageProperties` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/messages.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Messages {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 33 |     ptr: Rc<MessagesPtr>,
[INFO] [stdout] 34 |     owner: Box<MessagesOwner>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Messages` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/query.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Query{
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 24 |     ptr: Rc<QueryPtr>,
[INFO] [stdout] 25 |     owner: Box<Database>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Query` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/tags.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct Tags
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 44 |     owner: TagsOwner,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tags` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/thread.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Thread {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 31 |     ptr: Rc<ThreadPtr>,
[INFO] [stdout] 32 |     owner: Box<ThreadOwner>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Thread` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `owner` is never read
[INFO] [stdout]   --> src/threads.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Threads
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     owner: Box<ThreadsOwner>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Threads` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> tests/test_message.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> tests/test_query.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `notmuch::Database::open`: Replaced with `open_with_config`
[INFO] [stdout]    --> tests/test_database.rs:271:43
[INFO] [stdout]     |
[INFO] [stdout] 271 |         let database = notmuch::Database::open(&mailbox.path(), notmuch::DatabaseMode::ReadWrite).unwrap();
[INFO] [stdout]     |                                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `notmuch::Database::open`: Replaced with `open_with_config`
[INFO] [stdout]   --> tests/test_query.rs:88:43
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let database = notmuch::Database::open(&mailbox.path(), notmuch::DatabaseMode::ReadWrite).unwrap();
[INFO] [stdout]    |                                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `notmuch::Database::open`: Replaced with `open_with_config`
[INFO] [stdout]   --> tests/test_tags.rs:33:43
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let database = notmuch::Database::open(
[INFO] [stdout]    |                                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `notmuch::Database::open`: Replaced with `open_with_config`
[INFO] [stdout]   --> tests/test_tags.rs:68:32
[INFO] [stdout]    |
[INFO] [stdout] 68 |             notmuch::Database::open(&tagset.mailbox.path(), notmuch::DatabaseMode::ReadOnly)
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `notmuch::Database::open`: Replaced with `open_with_config`
[INFO] [stdout]   --> tests/test_thread.rs:47:36
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 notmuch::Database::open(&mailbox.path(), notmuch::DatabaseMode::ReadWrite).unwrap();
[INFO] [stdout]    |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mailbox` is never read
[INFO] [stdout]    --> tests/test_database.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 252 | struct DatabaseFixture {
[INFO] [stdout]     |        --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 256 |     pub mailbox: MailBox,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mailbox` is never read
[INFO] [stdout]  --> tests/test_message.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct MessageFixture {
[INFO] [stdout]   |        -------------- field in this struct
[INFO] [stdout] 6 |     // Return a single thread with 2 messages
[INFO] [stdout] 7 |     pub mailbox: MailBox,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mailbox` is never read
[INFO] [stdout]  --> tests/test_query.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct QueryFixture {
[INFO] [stdout]   |        ------------ field in this struct
[INFO] [stdout] 5 |     pub mailbox: MailBox,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mailbox` is never read
[INFO] [stdout]  --> tests/test_thread.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct ThreadFixture {
[INFO] [stdout]   |        ------------- field in this struct
[INFO] [stdout] 4 |     // Return a single thread with 2 messages
[INFO] [stdout] 5 |     pub mailbox: MailBox,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.66s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: 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 1`
[INFO] running `Command { std: "docker" "inspect" "0773dbc10cf524f3b13ffd94d583ecbe8f6efd058a756b5875458a45c36c7bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0773dbc10cf524f3b13ffd94d583ecbe8f6efd058a756b5875458a45c36c7bab", kill_on_drop: false }`
[INFO] [stdout] 0773dbc10cf524f3b13ffd94d583ecbe8f6efd058a756b5875458a45c36c7bab