[INFO] fetching crate rewrk-core 0.1.3...
[INFO] checking rewrk-core-0.1.3 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate rewrk-core 0.1.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate rewrk-core 0.1.3 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 rewrk-core 0.1.3
[INFO] finished tweaking crates.io crate rewrk-core 0.1.3
[INFO] tweaked toml for crates.io crate rewrk-core 0.1.3 written to /workspace/builds/worker-5-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]     Updating crates.io index
[INFO] [stderr]      Locking 151 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
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[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.1)
[INFO] [stderr]       Adding sync_wrapper v0.1.2 (latest: v1.0.1)
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[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 714d148610e98cdfc3685396712624978af5bef2aa05d9e7a2d8459a3ea19a73
[INFO] running `Command { std: "docker" "start" "-a" "714d148610e98cdfc3685396712624978af5bef2aa05d9e7a2d8459a3ea19a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "714d148610e98cdfc3685396712624978af5bef2aa05d9e7a2d8459a3ea19a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "714d148610e98cdfc3685396712624978af5bef2aa05d9e7a2d8459a3ea19a73", kill_on_drop: false }`
[INFO] [stdout] 714d148610e98cdfc3685396712624978af5bef2aa05d9e7a2d8459a3ea19a73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7150bcd4708a062130d4d83be6f33af0cd4b72a3dcc9c1b79c692417d6aeb8eb
[INFO] running `Command { std: "docker" "start" "-a" "7150bcd4708a062130d4d83be6f33af0cd4b72a3dcc9c1b79c692417d6aeb8eb", kill_on_drop: false }`
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[INFO] [stderr]     Checking rewrk-core v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HttpStream`
[INFO] [stdout]  --> src/connection/mod.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::conn::{HttpStream, ReWrkConnection, ReWrkConnector};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HttpStream`
[INFO] [stdout]  --> src/connection/mod.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::conn::{HttpStream, ReWrkConnection, ReWrkConnector};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.06s
[INFO] running `Command { std: "docker" "inspect" "7150bcd4708a062130d4d83be6f33af0cd4b72a3dcc9c1b79c692417d6aeb8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7150bcd4708a062130d4d83be6f33af0cd4b72a3dcc9c1b79c692417d6aeb8eb", kill_on_drop: false }`
[INFO] [stdout] 7150bcd4708a062130d4d83be6f33af0cd4b72a3dcc9c1b79c692417d6aeb8eb