[INFO] fetching crate spry 0.0.4...
[INFO] building spry-0.0.4 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate spry 0.0.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate spry 0.0.4
[INFO] finished tweaking crates.io crate spry 0.0.4
[INFO] tweaked toml for crates.io crate spry 0.0.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spry 0.0.4 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 54 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 652a071c6a35ef6fcd88c64aa9b4af1d3ccdec6e86570c5bf48357ddbe57850f
[INFO] running `Command { std: "docker" "start" "-a" "652a071c6a35ef6fcd88c64aa9b4af1d3ccdec6e86570c5bf48357ddbe57850f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "652a071c6a35ef6fcd88c64aa9b4af1d3ccdec6e86570c5bf48357ddbe57850f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652a071c6a35ef6fcd88c64aa9b4af1d3ccdec6e86570c5bf48357ddbe57850f", kill_on_drop: false }`
[INFO] [stdout] 652a071c6a35ef6fcd88c64aa9b4af1d3ccdec6e86570c5bf48357ddbe57850f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcfc6cbcd41d256a41388c03a9b2d0016a8113ca168620458ce481d5a96180d6
[INFO] running `Command { std: "docker" "start" "-a" "dcfc6cbcd41d256a41388c03a9b2d0016a8113ca168620458ce481d5a96180d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling spry v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/nursery.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 |   Settling(AbortHandle, Instant),
[INFO] [stdout]    |   --------              ^^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -   Settling(AbortHandle, Instant),
[INFO] [stdout] 22 +   Settling(AbortHandle, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key`, `config`, `settling_token`, and `handle` are never read
[INFO] [stdout]    --> src/nursery.rs:120:7
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub struct AlreadyExists<K> {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 120 |   pub key: K,
[INFO] [stdout]     |       ^^^
[INFO] [stdout] 121 |   pub config: ChildConfig,
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 122 |   pub settling_token: SettlingToken,
[INFO] [stdout]     |       ^^^^^^^^^^^^^^
[INFO] [stdout] 123 |   pub handle: JoinHandle<()>,
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AlreadyExists` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core.rs:94:41
[INFO] [stdout]    |
[INFO] [stdout] 94 |   pub fn system<Kp: Key, S: System<Kp>>(&mut self, key: K, system: S) -> SystemBuilder<K, Permanent, S, RateLimited> {
[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] 94 |   pub fn system<Kp: Key, S: System<Kp>>(&mut self, key: K, system: S) -> SystemBuilder<'_, K, Permanent, S, RateLimited> {
[INFO] [stdout]    |                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `Command { std: "docker" "inspect" "dcfc6cbcd41d256a41388c03a9b2d0016a8113ca168620458ce481d5a96180d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcfc6cbcd41d256a41388c03a9b2d0016a8113ca168620458ce481d5a96180d6", kill_on_drop: false }`
[INFO] [stdout] dcfc6cbcd41d256a41388c03a9b2d0016a8113ca168620458ce481d5a96180d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0d0c68e0eff3dd3cfa2356dbda9c8a993962eb4c27a403e8df21c53f8d5e1cb
[INFO] running `Command { std: "docker" "start" "-a" "e0d0c68e0eff3dd3cfa2356dbda9c8a993962eb4c27a403e8df21c53f8d5e1cb", kill_on_drop: false }`
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/nursery.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 |   Settling(AbortHandle, Instant),
[INFO] [stdout]    |   --------              ^^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -   Settling(AbortHandle, Instant),
[INFO] [stdout] 22 +   Settling(AbortHandle, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key`, `config`, `settling_token`, and `handle` are never read
[INFO] [stdout]    --> src/nursery.rs:120:7
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub struct AlreadyExists<K> {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 120 |   pub key: K,
[INFO] [stdout]     |       ^^^
[INFO] [stdout] 121 |   pub config: ChildConfig,
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 122 |   pub settling_token: SettlingToken,
[INFO] [stdout]     |       ^^^^^^^^^^^^^^
[INFO] [stdout] 123 |   pub handle: JoinHandle<()>,
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AlreadyExists` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core.rs:94:41
[INFO] [stdout]    |
[INFO] [stdout] 94 |   pub fn system<Kp: Key, S: System<Kp>>(&mut self, key: K, system: S) -> SystemBuilder<K, Permanent, S, RateLimited> {
[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] 94 |   pub fn system<Kp: Key, S: System<Kp>>(&mut self, key: K, system: S) -> SystemBuilder<'_, K, Permanent, S, RateLimited> {
[INFO] [stdout]    |                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling spry v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/nursery.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 |   Settling(AbortHandle, Instant),
[INFO] [stdout]    |   --------              ^^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -   Settling(AbortHandle, Instant),
[INFO] [stdout] 22 +   Settling(AbortHandle, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key`, `config`, `settling_token`, and `handle` are never read
[INFO] [stdout]    --> src/nursery.rs:120:7
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub struct AlreadyExists<K> {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 120 |   pub key: K,
[INFO] [stdout]     |       ^^^
[INFO] [stdout] 121 |   pub config: ChildConfig,
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 122 |   pub settling_token: SettlingToken,
[INFO] [stdout]     |       ^^^^^^^^^^^^^^
[INFO] [stdout] 123 |   pub handle: JoinHandle<()>,
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AlreadyExists` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core.rs:94:41
[INFO] [stdout]    |
[INFO] [stdout] 94 |   pub fn system<Kp: Key, S: System<Kp>>(&mut self, key: K, system: S) -> SystemBuilder<K, Permanent, S, RateLimited> {
[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] 94 |   pub fn system<Kp: Key, S: System<Kp>>(&mut self, key: K, system: S) -> SystemBuilder<'_, K, Permanent, S, RateLimited> {
[INFO] [stdout]    |                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "e0d0c68e0eff3dd3cfa2356dbda9c8a993962eb4c27a403e8df21c53f8d5e1cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d0c68e0eff3dd3cfa2356dbda9c8a993962eb4c27a403e8df21c53f8d5e1cb", kill_on_drop: false }`
[INFO] [stdout] e0d0c68e0eff3dd3cfa2356dbda9c8a993962eb4c27a403e8df21c53f8d5e1cb
