[INFO] fetching crate bloom-core 0.1.2...
[INFO] checking bloom-core-0.1.2 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate bloom-core 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate bloom-core 0.1.2 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d10b7745185a857ebc98ba6ac240aeeef2bd201622e238e2d91d71daf89aded
[INFO] running `Command { std: "docker" "start" "-a" "7d10b7745185a857ebc98ba6ac240aeeef2bd201622e238e2d91d71daf89aded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d10b7745185a857ebc98ba6ac240aeeef2bd201622e238e2d91d71daf89aded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d10b7745185a857ebc98ba6ac240aeeef2bd201622e238e2d91d71daf89aded", kill_on_drop: false }`
[INFO] [stdout] 7d10b7745185a857ebc98ba6ac240aeeef2bd201622e238e2d91d71daf89aded
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d7c8046700e5b0045f41e604c4e1835c82f81f452e0cc82576e2102dee99791
[INFO] running `Command { std: "docker" "start" "-a" "9d7c8046700e5b0045f41e604c4e1835c82f81f452e0cc82576e2102dee99791", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking async-context v0.1.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[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]     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 3.12s
[INFO] running `Command { std: "docker" "inspect" "9d7c8046700e5b0045f41e604c4e1835c82f81f452e0cc82576e2102dee99791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d7c8046700e5b0045f41e604c4e1835c82f81f452e0cc82576e2102dee99791", kill_on_drop: false }`
[INFO] [stdout] 9d7c8046700e5b0045f41e604c4e1835c82f81f452e0cc82576e2102dee99791