[INFO] fetching crate mirror-cache 0.1.0...
[INFO] checking mirror-cache-0.1.0 against master#fe348cd1a8e0fa445b772393147ed865904dcd4d for pr-139587-2
[INFO] extracting crate mirror-cache 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate mirror-cache 0.1.0 on toolchain fe348cd1a8e0fa445b772393147ed865904dcd4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mirror-cache 0.1.0
[INFO] finished tweaking crates.io crate mirror-cache 0.1.0
[INFO] tweaked toml for crates.io crate mirror-cache 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate mirror-cache 0.1.0 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" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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_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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c96458aa14875947908475b7183c39271eaa4dbb06796de850b013ddc707f338
[INFO] running `Command { std: "docker" "start" "-a" "c96458aa14875947908475b7183c39271eaa4dbb06796de850b013ddc707f338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c96458aa14875947908475b7183c39271eaa4dbb06796de850b013ddc707f338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96458aa14875947908475b7183c39271eaa4dbb06796de850b013ddc707f338", kill_on_drop: false }`
[INFO] [stdout] c96458aa14875947908475b7183c39271eaa4dbb06796de850b013ddc707f338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d30a35521fa0c05d15c7907b00b602db76c6bfa16c278117012fcae63a3cbe7
[INFO] running `Command { std: "docker" "start" "-a" "9d30a35521fa0c05d15c7907b00b602db76c6bfa16c278117012fcae63a3cbe7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
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[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking combine v4.6.0
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking redis v0.21.0
[INFO] [stderr]     Checking rusoto_credential v0.47.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking metrics-exporter-prometheus v0.6.0
[INFO] [stderr]     Checking warp v0.3.1
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking rusoto_signature v0.47.0
[INFO] [stderr]     Checking rusoto_s3 v0.47.0
[INFO] [stderr]     Checking mirror-cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/models.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | / pub fn set_lru_cache_entry(
[INFO] [stdout] 50 | |     con: &mut SyncConnection,
[INFO] [stdout] 51 | |     key: &str,
[INFO] [stdout] 52 | |     entry: &CacheEntry<LruCacheMetadata, String, ()>,
[INFO] [stdout] 53 | |     total_size_key: &str,
[INFO] [stdout] 54 | |     zlist_key: &str,
[INFO] [stdout] 55 | | ) -> Result<()> {
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromRedisValue` will fail
[INFO] [stdout]   --> src/models.rs:71:10
[INFO] [stdout]    |
[INFO] [stdout] 71 |         .query(con)?;
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 71 |         .query::<()>(con)?;
[INFO] [stdout]    |               ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/models.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | / pub fn set_lru_cache_entry(
[INFO] [stdout] 50 | |     con: &mut SyncConnection,
[INFO] [stdout] 51 | |     key: &str,
[INFO] [stdout] 52 | |     entry: &CacheEntry<LruCacheMetadata, String, ()>,
[INFO] [stdout] 53 | |     total_size_key: &str,
[INFO] [stdout] 54 | |     zlist_key: &str,
[INFO] [stdout] 55 | | ) -> Result<()> {
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromRedisValue` will fail
[INFO] [stdout]   --> src/models.rs:71:10
[INFO] [stdout]    |
[INFO] [stdout] 71 |         .query(con)?;
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 71 |         .query::<()>(con)?;
[INFO] [stdout]    |               ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/task.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |         let mut tm = self;
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/task.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |         let mut tm = self;
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.86s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.17.1, nom v5.1.2, redis v0.21.0
[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" "9d30a35521fa0c05d15c7907b00b602db76c6bfa16c278117012fcae63a3cbe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d30a35521fa0c05d15c7907b00b602db76c6bfa16c278117012fcae63a3cbe7", kill_on_drop: false }`
[INFO] [stdout] 9d30a35521fa0c05d15c7907b00b602db76c6bfa16c278117012fcae63a3cbe7