[INFO] fetching crate cooklang-sync-server 0.2.2...
[INFO] testing cooklang-sync-server-0.2.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate cooklang-sync-server 0.2.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate cooklang-sync-server 0.2.2
[INFO] finished tweaking crates.io crate cooklang-sync-server 0.2.2
[INFO] tweaked toml for crates.io crate cooklang-sync-server 0.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cooklang-sync-server 0.2.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cooklang-sync-server 0.2.2 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: struct `MultiChunkResponse` is never constructed
[INFO] [stdout]  --> src/chunks/response.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) struct MultiChunkResponse<'a> {
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chunks/response.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl MultiChunkResponse<'_> {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(chunk_ids: Vec<ChunkId<'_>>) -> MultiChunkResponse<'_> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/chunks/mod.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 | /             file.write_all(&chunk).await.map_err(|_| {
[INFO] [stdout] 61 | |                 std::fs::remove_file(&full_path).ok();
[INFO] [stdout] 62 | |             });
[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] 60 |             let _ = file.write_all(&chunk).await.map_err(|_| {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/chunks/mod.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 | /             file.write_all(&chunk).await.map_err(|_| {
[INFO] [stdout] 107 | |                 std::fs::remove_file(&full_path).ok();
[INFO] [stdout] 108 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 106 |             let _ = file.write_all(&chunk).await.map_err(|_| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/metadata/request.rs:16:36
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(crate) fn non_local_chunks(&self) -> Vec<ChunkId> {
[INFO] [stdout]    |                                    ^^^^^         ------- the same lifetime is hidden here
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(crate) fn non_local_chunks(&self) -> Vec<ChunkId<'_>> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "9b884cd4555be1c706a558798b698c09643b7d614fbf29f1e7f312ea63b08bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b884cd4555be1c706a558798b698c09643b7d614fbf29f1e7f312ea63b08bfe", kill_on_drop: false }`
[INFO] [stdout] 9b884cd4555be1c706a558798b698c09643b7d614fbf29f1e7f312ea63b08bfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebae55ba6b94fd6eb33ced7c18fffdaed9d970867ef72c19889c07b2015a0dc7
[INFO] running `Command { std: "docker" "start" "-a" "ebae55ba6b94fd6eb33ced7c18fffdaed9d970867ef72c19889c07b2015a0dc7", kill_on_drop: false }`
[INFO] [stdout] warning: struct `MultiChunkResponse` is never constructed
[INFO] [stdout]  --> src/chunks/response.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) struct MultiChunkResponse<'a> {
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chunks/response.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl MultiChunkResponse<'_> {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(chunk_ids: Vec<ChunkId<'_>>) -> MultiChunkResponse<'_> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/chunks/mod.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 | /             file.write_all(&chunk).await.map_err(|_| {
[INFO] [stdout] 61 | |                 std::fs::remove_file(&full_path).ok();
[INFO] [stdout] 62 | |             });
[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] 60 |             let _ = file.write_all(&chunk).await.map_err(|_| {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/chunks/mod.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 | /             file.write_all(&chunk).await.map_err(|_| {
[INFO] [stdout] 107 | |                 std::fs::remove_file(&full_path).ok();
[INFO] [stdout] 108 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 106 |             let _ = file.write_all(&chunk).await.map_err(|_| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/metadata/request.rs:16:36
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(crate) fn non_local_chunks(&self) -> Vec<ChunkId> {
[INFO] [stdout]    |                                    ^^^^^         ------- the same lifetime is hidden here
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(crate) fn non_local_chunks(&self) -> Vec<ChunkId<'_>> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cooklang-sync-server v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MultiChunkResponse` is never constructed
[INFO] [stdout]  --> src/chunks/response.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) struct MultiChunkResponse<'a> {
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chunks/response.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl MultiChunkResponse<'_> {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(chunk_ids: Vec<ChunkId<'_>>) -> MultiChunkResponse<'_> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/chunks/mod.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 | /             file.write_all(&chunk).await.map_err(|_| {
[INFO] [stdout] 61 | |                 std::fs::remove_file(&full_path).ok();
[INFO] [stdout] 62 | |             });
[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] 60 |             let _ = file.write_all(&chunk).await.map_err(|_| {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/chunks/mod.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 | /             file.write_all(&chunk).await.map_err(|_| {
[INFO] [stdout] 107 | |                 std::fs::remove_file(&full_path).ok();
[INFO] [stdout] 108 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 106 |             let _ = file.write_all(&chunk).await.map_err(|_| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/metadata/request.rs:16:36
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(crate) fn non_local_chunks(&self) -> Vec<ChunkId> {
[INFO] [stdout]    |                                    ^^^^^         ------- the same lifetime is hidden here
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(crate) fn non_local_chunks(&self) -> Vec<ChunkId<'_>> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "ebae55ba6b94fd6eb33ced7c18fffdaed9d970867ef72c19889c07b2015a0dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebae55ba6b94fd6eb33ced7c18fffdaed9d970867ef72c19889c07b2015a0dc7", kill_on_drop: false }`
[INFO] [stdout] ebae55ba6b94fd6eb33ced7c18fffdaed9d970867ef72c19889c07b2015a0dc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df1cf42bb23916b2ef5547fa359ceb9e934b68e6d31ec4ad22b89a676239d304
[INFO] running `Command { std: "docker" "start" "-a" "df1cf42bb23916b2ef5547fa359ceb9e934b68e6d31ec4ad22b89a676239d304", kill_on_drop: false }`
[INFO] [stderr] warning: struct `MultiChunkResponse` is never constructed
[INFO] [stderr]  --> src/chunks/response.rs:5:19
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub(crate) struct MultiChunkResponse<'a> {
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/chunks/response.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl MultiChunkResponse<'_> {
[INFO] [stderr]    | --------------------------- associated function in this implementation
[INFO] [stderr] 10 |     pub fn new(chunk_ids: Vec<ChunkId<'_>>) -> MultiChunkResponse<'_> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/chunks/mod.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 | /             file.write_all(&chunk).await.map_err(|_| {
[INFO] [stderr] 61 | |                 std::fs::remove_file(&full_path).ok();
[INFO] [stderr] 62 | |             });
[INFO] [stderr]    | |______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 60 |             let _ = file.write_all(&chunk).await.map_err(|_| {
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/chunks/mod.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 | /             file.write_all(&chunk).await.map_err(|_| {
[INFO] [stderr] 107 | |                 std::fs::remove_file(&full_path).ok();
[INFO] [stderr] 108 | |             });
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 106 |             let _ = file.write_all(&chunk).await.map_err(|_| {
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/metadata/request.rs:16:36
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub(crate) fn non_local_chunks(&self) -> Vec<ChunkId> {
[INFO] [stderr]    |                                    ^^^^^         ------- the same lifetime is hidden here
[INFO] [stderr]    |                                    |
[INFO] [stderr]    |                                    the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub(crate) fn non_local_chunks(&self) -> Vec<ChunkId<'_>> {
[INFO] [stderr]    |                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `cooklang-sync-server` (lib) generated 5 warnings
[INFO] [stderr] warning: `cooklang-sync-server` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cooklang_sync_server-1e2e345157799195)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/server-00a5222a027e43fc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cooklang_sync_server
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df1cf42bb23916b2ef5547fa359ceb9e934b68e6d31ec4ad22b89a676239d304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df1cf42bb23916b2ef5547fa359ceb9e934b68e6d31ec4ad22b89a676239d304", kill_on_drop: false }`
[INFO] [stdout] df1cf42bb23916b2ef5547fa359ceb9e934b68e6d31ec4ad22b89a676239d304
