[INFO] fetching crate downcast 0.11.0...
[INFO] checking downcast-0.11.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate downcast 0.11.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate downcast 0.11.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate downcast 0.11.0
[INFO] finished tweaking crates.io crate downcast 0.11.0
[INFO] tweaked toml for crates.io crate downcast 0.11.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate downcast 0.11.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b8a9be07ce11f51120ff5b217f384fcbd2552232cc2e5b64d686a02059c614f
[INFO] running `Command { std: "docker" "start" "-a" "6b8a9be07ce11f51120ff5b217f384fcbd2552232cc2e5b64d686a02059c614f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b8a9be07ce11f51120ff5b217f384fcbd2552232cc2e5b64d686a02059c614f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b8a9be07ce11f51120ff5b217f384fcbd2552232cc2e5b64d686a02059c614f", kill_on_drop: false }`
[INFO] [stdout] 6b8a9be07ce11f51120ff5b217f384fcbd2552232cc2e5b64d686a02059c614f
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3e6952b9f2657ec5e85e0419c3cdca46305d067e921243be81427b41a2114c6
[INFO] running `Command { std: "docker" "start" "-a" "e3e6952b9f2657ec5e85e0419c3cdca46305d067e921243be81427b41a2114c6", kill_on_drop: false }`
[INFO] [stderr]     Checking downcast v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "e3e6952b9f2657ec5e85e0419c3cdca46305d067e921243be81427b41a2114c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3e6952b9f2657ec5e85e0419c3cdca46305d067e921243be81427b41a2114c6", kill_on_drop: false }`
[INFO] [stdout] e3e6952b9f2657ec5e85e0419c3cdca46305d067e921243be81427b41a2114c6
[INFO] checking downcast-0.11.0 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-2
[INFO] extracting crate downcast 0.11.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate downcast 0.11.0 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate downcast 0.11.0
[INFO] finished tweaking crates.io crate downcast 0.11.0
[INFO] tweaked toml for crates.io crate downcast 0.11.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate downcast 0.11.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b96b7df9c79caae2e75686fb6a13d11eb86b383edb48bc8d0e27205d9af9eb5
[INFO] running `Command { std: "docker" "start" "-a" "6b96b7df9c79caae2e75686fb6a13d11eb86b383edb48bc8d0e27205d9af9eb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b96b7df9c79caae2e75686fb6a13d11eb86b383edb48bc8d0e27205d9af9eb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b96b7df9c79caae2e75686fb6a13d11eb86b383edb48bc8d0e27205d9af9eb5", kill_on_drop: false }`
[INFO] [stdout] 6b96b7df9c79caae2e75686fb6a13d11eb86b383edb48bc8d0e27205d9af9eb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be34c0b4adabed900f96f798b6c09f0465d74ce9b6547964e863d50b21463e55
[INFO] running `Command { std: "docker" "start" "-a" "be34c0b4adabed900f96f798b6c09f0465d74ce9b6547964e863d50b21463e55", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "be34c0b4adabed900f96f798b6c09f0465d74ce9b6547964e863d50b21463e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be34c0b4adabed900f96f798b6c09f0465d74ce9b6547964e863d50b21463e55", kill_on_drop: false }`
[INFO] [stdout] be34c0b4adabed900f96f798b6c09f0465d74ce9b6547964e863d50b21463e55