[INFO] fetching crate bloom-core 0.1.2...
[INFO] checking bloom-core-0.1.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate bloom-core 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate bloom-core 0.1.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bloom-core 0.1.2
[INFO] finished tweaking crates.io crate bloom-core 0.1.2
[INFO] tweaked toml for crates.io crate bloom-core 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-context v0.1.1
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ce4155949fd4e30c3c34e5998c37f0d8cdd4236952a9c9e17f43f85fe757786
[INFO] running `Command { std: "docker" "start" "-a" "8ce4155949fd4e30c3c34e5998c37f0d8cdd4236952a9c9e17f43f85fe757786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ce4155949fd4e30c3c34e5998c37f0d8cdd4236952a9c9e17f43f85fe757786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ce4155949fd4e30c3c34e5998c37f0d8cdd4236952a9c9e17f43f85fe757786", kill_on_drop: false }`
[INFO] [stdout] 8ce4155949fd4e30c3c34e5998c37f0d8cdd4236952a9c9e17f43f85fe757786
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e44a0f4f1850eae6b3bbe095b32fa5e0e2c7712f62283b987403f247b80ef328
[INFO] running `Command { std: "docker" "start" "-a" "e44a0f4f1850eae6b3bbe095b32fa5e0e2c7712f62283b987403f247b80ef328", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking async-context v0.1.1
[INFO] [stderr]     Checking bloom-core v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Provider` is never constructed
[INFO] [stdout]   --> src/context.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Provider {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `children` are never used
[INFO] [stdout]   --> src/context.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Provider {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new<T>(value: T) -> Self
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn children<N, E>(self, children: Vec<Element<N, E>>) -> Element<N, E>
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Provider` is never constructed
[INFO] [stdout]   --> src/context.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Provider {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `children` are never used
[INFO] [stdout]   --> src/context.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Provider {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new<T>(value: T) -> Self
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn children<N, E>(self, children: Vec<Element<N, E>>) -> Element<N, E>
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.65s
[INFO] running `Command { std: "docker" "inspect" "e44a0f4f1850eae6b3bbe095b32fa5e0e2c7712f62283b987403f247b80ef328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44a0f4f1850eae6b3bbe095b32fa5e0e2c7712f62283b987403f247b80ef328", kill_on_drop: false }`
[INFO] [stdout] e44a0f4f1850eae6b3bbe095b32fa5e0e2c7712f62283b987403f247b80ef328