[INFO] fetching crate main_error 0.1.2...
[INFO] checking main_error-0.1.2 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate main_error 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate main_error 0.1.2 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate main_error 0.1.2
[INFO] finished tweaking crates.io crate main_error 0.1.2
[INFO] tweaked toml for crates.io crate main_error 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate main_error 0.1.2 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" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 715a965cce39241ff14e46e98fd9761aff5df5596f21d824c1baa36c328aca1a
[INFO] running `Command { std: "docker" "start" "-a" "715a965cce39241ff14e46e98fd9761aff5df5596f21d824c1baa36c328aca1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "715a965cce39241ff14e46e98fd9761aff5df5596f21d824c1baa36c328aca1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "715a965cce39241ff14e46e98fd9761aff5df5596f21d824c1baa36c328aca1a", kill_on_drop: false }`
[INFO] [stdout] 715a965cce39241ff14e46e98fd9761aff5df5596f21d824c1baa36c328aca1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f619154c2db67ff0fbcc394ba0b8ec93563c7166a8ecda3c9dc2024be1acc72
[INFO] running `Command { std: "docker" "start" "-a" "3f619154c2db67ff0fbcc394ba0b8ec93563c7166a8ecda3c9dc2024be1acc72", kill_on_drop: false }`
[INFO] [stderr]     Checking main_error v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "3f619154c2db67ff0fbcc394ba0b8ec93563c7166a8ecda3c9dc2024be1acc72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f619154c2db67ff0fbcc394ba0b8ec93563c7166a8ecda3c9dc2024be1acc72", kill_on_drop: false }`
[INFO] [stdout] 3f619154c2db67ff0fbcc394ba0b8ec93563c7166a8ecda3c9dc2024be1acc72
[INFO] checking main_error-0.1.2 against try#9ae1860851f3fbc1435a1698e572252c0076f413 for pr-122960-1
[INFO] extracting crate main_error 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate main_error 0.1.2 on toolchain 9ae1860851f3fbc1435a1698e572252c0076f413
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate main_error 0.1.2
[INFO] finished tweaking crates.io crate main_error 0.1.2
[INFO] tweaked toml for crates.io crate main_error 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate main_error 0.1.2 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" "+9ae1860851f3fbc1435a1698e572252c0076f413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 808d6efc036a9d2e51196a5be8de5eb4d3b29582a9d2da9d6821b81a12986ccd
[INFO] running `Command { std: "docker" "start" "-a" "808d6efc036a9d2e51196a5be8de5eb4d3b29582a9d2da9d6821b81a12986ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "808d6efc036a9d2e51196a5be8de5eb4d3b29582a9d2da9d6821b81a12986ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "808d6efc036a9d2e51196a5be8de5eb4d3b29582a9d2da9d6821b81a12986ccd", kill_on_drop: false }`
[INFO] [stdout] 808d6efc036a9d2e51196a5be8de5eb4d3b29582a9d2da9d6821b81a12986ccd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+9ae1860851f3fbc1435a1698e572252c0076f413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e56829b4168a7efab3bda60a93a6e06bedc1593f3030fe5cc853af5f3245cbdb
[INFO] running `Command { std: "docker" "start" "-a" "e56829b4168a7efab3bda60a93a6e06bedc1593f3030fe5cc853af5f3245cbdb", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "e56829b4168a7efab3bda60a93a6e06bedc1593f3030fe5cc853af5f3245cbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e56829b4168a7efab3bda60a93a6e06bedc1593f3030fe5cc853af5f3245cbdb", kill_on_drop: false }`
[INFO] [stdout] e56829b4168a7efab3bda60a93a6e06bedc1593f3030fe5cc853af5f3245cbdb