[INFO] cloning repository https://github.com/1994/archlinux-downgrader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1994/archlinux-downgrader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1994%2Farchlinux-downgrader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1994%2Farchlinux-downgrader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbe9bf1b3d58e4dcbc4d38d9cddb0cdd8b68745c
[INFO] checking 1994/archlinux-downgrader against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1994%2Farchlinux-downgrader" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/1994/archlinux-downgrader on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/1994/archlinux-downgrader
[INFO] finished tweaking git repo https://github.com/1994/archlinux-downgrader
[INFO] tweaked toml for git repo https://github.com/1994/archlinux-downgrader written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/1994/archlinux-downgrader 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dialoguer v0.10.0
[INFO] [stderr]   Downloaded zeroize v1.5.2
[INFO] [stderr]   Downloaded sudo v0.6.0
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85a5a95a53d2c92006fab38f93db33a8bb38a256f10d5f25ce5231a6475d5de5
[INFO] running `Command { std: "docker" "start" "-a" "85a5a95a53d2c92006fab38f93db33a8bb38a256f10d5f25ce5231a6475d5de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85a5a95a53d2c92006fab38f93db33a8bb38a256f10d5f25ce5231a6475d5de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85a5a95a53d2c92006fab38f93db33a8bb38a256f10d5f25ce5231a6475d5de5", kill_on_drop: false }`
[INFO] [stdout] 85a5a95a53d2c92006fab38f93db33a8bb38a256f10d5f25ce5231a6475d5de5
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69df298b908a9d5658c22feb8c76035add50af53e6107b265d6ed40069bd0bc8
[INFO] running `Command { std: "docker" "start" "-a" "69df298b908a9d5658c22feb8c76035add50af53e6107b265d6ed40069bd0bc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking zeroize v1.5.2
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking sudo v0.6.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking dialoguer v0.10.0
[INFO] [stderr]     Checking archlinux-autodowngrade v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "69df298b908a9d5658c22feb8c76035add50af53e6107b265d6ed40069bd0bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69df298b908a9d5658c22feb8c76035add50af53e6107b265d6ed40069bd0bc8", kill_on_drop: false }`
[INFO] [stdout] 69df298b908a9d5658c22feb8c76035add50af53e6107b265d6ed40069bd0bc8