[INFO] fetching crate swimming 0.1.3...
[INFO] checking swimming-0.1.3 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate swimming 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate swimming 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 swimming 0.1.3
[INFO] finished tweaking crates.io crate swimming 0.1.3
[INFO] tweaked toml for crates.io crate swimming 0.1.3 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 70 packages to latest compatible versions
[INFO] [stderr]       Adding matchers v0.1.0 (latest: v0.2.0)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.1)
[INFO] [stderr]       Adding regex-automata v0.1.10 (latest: v0.4.7)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.4)
[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 lock_pool v0.2.0
[INFO] [stderr]   Downloaded windows-implement v0.58.0
[INFO] [stderr]   Downloaded windows-interface v0.58.0
[INFO] [stderr]   Downloaded ref_count v0.1.2
[INFO] [stderr]   Downloaded generator v0.8.2
[INFO] [stderr]   Downloaded windows-core v0.58.0
[INFO] [stderr]   Downloaded loom v0.7.2
[INFO] [stderr]   Downloaded windows v0.58.0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc77e7e9ec28c53bf821c215628bf819b2fdea66ebb006df65436bdfd2b2d7c6
[INFO] running `Command { std: "docker" "start" "-a" "cc77e7e9ec28c53bf821c215628bf819b2fdea66ebb006df65436bdfd2b2d7c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc77e7e9ec28c53bf821c215628bf819b2fdea66ebb006df65436bdfd2b2d7c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc77e7e9ec28c53bf821c215628bf819b2fdea66ebb006df65436bdfd2b2d7c6", kill_on_drop: false }`
[INFO] [stdout] cc77e7e9ec28c53bf821c215628bf819b2fdea66ebb006df65436bdfd2b2d7c6
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 710fc8ee3f3035468a5dcc0ad2f3fb5ec7f0bf39e8feb5c431d33ce48cd3f99d
[INFO] running `Command { std: "docker" "start" "-a" "710fc8ee3f3035468a5dcc0ad2f3fb5ec7f0bf39e8feb5c431d33ce48cd3f99d", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking ref_count v0.1.2
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking lock_pool v0.2.0
[INFO] [stderr]     Checking swimming v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.58s
[INFO] running `Command { std: "docker" "inspect" "710fc8ee3f3035468a5dcc0ad2f3fb5ec7f0bf39e8feb5c431d33ce48cd3f99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "710fc8ee3f3035468a5dcc0ad2f3fb5ec7f0bf39e8feb5c431d33ce48cd3f99d", kill_on_drop: false }`
[INFO] [stdout] 710fc8ee3f3035468a5dcc0ad2f3fb5ec7f0bf39e8feb5c431d33ce48cd3f99d