[INFO] fetching crate spry 0.0.4...
[INFO] testing spry-0.0.4 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[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 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c536e52eeed5afbe3f70d0557c554bfc3e2317122668e2ec7e4f818ce82c6325
[INFO] running `Command { std: "docker" "start" "c536e52eeed5afbe3f70d0557c554bfc3e2317122668e2ec7e4f818ce82c6325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c536e52eeed5afbe3f70d0557c554bfc3e2317122668e2ec7e4f818ce82c6325", 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" "c536e52eeed5afbe3f70d0557c554bfc3e2317122668e2ec7e4f818ce82c6325" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c536e52eeed5afbe3f70d0557c554bfc3e2317122668e2ec7e4f818ce82c6325", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c536e52eeed5afbe3f70d0557c554bfc3e2317122668e2ec7e4f818ce82c6325" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.34
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling futures-macro v0.3.34
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling tokio v1.53.3
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling pin-project-internal v1.1.13
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling pin-project v1.1.13
[INFO] [stderr]    Compiling futures-executor v0.3.34
[INFO] [stderr]    Compiling tokio-util v0.7.20
[INFO] [stderr]    Compiling futures v0.3.34
[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 `release` profile [optimized] target(s) in 13.23s
[INFO] running `Command { std: "docker" "inspect" "c536e52eeed5afbe3f70d0557c554bfc3e2317122668e2ec7e4f818ce82c6325", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c536e52eeed5afbe3f70d0557c554bfc3e2317122668e2ec7e4f818ce82c6325" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", 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] [stderr]    Compiling spry v0.0.4 (/opt/rustwide/workdir)
[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] [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 `release` profile [optimized] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "c536e52eeed5afbe3f70d0557c554bfc3e2317122668e2ec7e4f818ce82c6325", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c536e52eeed5afbe3f70d0557c554bfc3e2317122668e2ec7e4f818ce82c6325" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]   --> src/nursery.rs:22:25
[INFO] [stderr]    |
[INFO] [stderr] 22 |   Settling(AbortHandle, Instant),
[INFO] [stderr]    |   --------              ^^^^^^^
[INFO] [stderr]    |   |
[INFO] [stderr]    |   field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 22 -   Settling(AbortHandle, Instant),
[INFO] [stderr] 22 +   Settling(AbortHandle, ()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `key`, `config`, `settling_token`, and `handle` are never read
[INFO] [stderr]    --> src/nursery.rs:120:7
[INFO] [stderr]     |
[INFO] [stderr] 119 | pub struct AlreadyExists<K> {
[INFO] [stderr]     |            ------------- fields in this struct
[INFO] [stderr] 120 |   pub key: K,
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 121 |   pub config: ChildConfig,
[INFO] [stderr]     |       ^^^^^^
[INFO] [stderr] 122 |   pub settling_token: SettlingToken,
[INFO] [stderr]     |       ^^^^^^^^^^^^^^
[INFO] [stderr] 123 |   pub handle: JoinHandle<()>,
[INFO] [stderr]     |       ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `AlreadyExists` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/core.rs:94:41
[INFO] [stderr]    |
[INFO] [stderr] 94 |   pub fn system<Kp: Key, S: System<Kp>>(&mut self, key: K, system: S) -> SystemBuilder<K, Permanent, S, RateLimited> {
[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] 94 |   pub fn system<Kp: Key, S: System<Kp>>(&mut self, key: K, system: S) -> SystemBuilder<'_, K, Permanent, S, RateLimited> {
[INFO] [stderr]    |                                                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `spry` (lib) generated 3 warnings (run `cargo fix --lib -p spry` to apply 1 suggestion)
[INFO] [stderr] warning: `spry` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/spry/b0ae7f7f0bbe4c65/out/spry-b0ae7f7f0bbe4c65)
[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]    Doc-tests spry
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 25) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 25) stdout ----
[INFO] [stdout] error: The default runtime flavor is `multi_thread`, but the `rt-multi-thread` feature is disabled.
[INFO] [stdout]    --> src/lib.rs:100:1
[INFO] [stdout]     |
[INFO] [stdout] 100 | #[tokio::main]
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `tokio::main` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 25)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c536e52eeed5afbe3f70d0557c554bfc3e2317122668e2ec7e4f818ce82c6325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c536e52eeed5afbe3f70d0557c554bfc3e2317122668e2ec7e4f818ce82c6325", kill_on_drop: false }`
[INFO] [stdout] c536e52eeed5afbe3f70d0557c554bfc3e2317122668e2ec7e4f818ce82c6325
