[INFO] fetching crate spry 0.0.4...
[INFO] checking spry-0.0.4 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate spry 0.0.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate spry 0.0.4 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04c2d9c3a83709f98bf569184f0c04ce3bb3cd68665657ce5b01a92cb49ae885
[INFO] running `Command { std: "docker" "start" "-a" "04c2d9c3a83709f98bf569184f0c04ce3bb3cd68665657ce5b01a92cb49ae885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04c2d9c3a83709f98bf569184f0c04ce3bb3cd68665657ce5b01a92cb49ae885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c2d9c3a83709f98bf569184f0c04ce3bb3cd68665657ce5b01a92cb49ae885", kill_on_drop: false }`
[INFO] [stdout] 04c2d9c3a83709f98bf569184f0c04ce3bb3cd68665657ce5b01a92cb49ae885
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4351d5f41c926397a7ed7dd28f4275aaddc08dfef12c2f4ce39510209d1bca9
[INFO] running `Command { std: "docker" "start" "-a" "a4351d5f41c926397a7ed7dd28f4275aaddc08dfef12c2f4ce39510209d1bca9", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.12
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking 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)]` 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, ()),
[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: 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)]` 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, ()),
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `Command { std: "docker" "inspect" "a4351d5f41c926397a7ed7dd28f4275aaddc08dfef12c2f4ce39510209d1bca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4351d5f41c926397a7ed7dd28f4275aaddc08dfef12c2f4ce39510209d1bca9", kill_on_drop: false }`
[INFO] [stdout] a4351d5f41c926397a7ed7dd28f4275aaddc08dfef12c2f4ce39510209d1bca9