[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] building 1994/archlinux-downgrader against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1994%2Farchlinux-downgrader" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/1994/archlinux-downgrader on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-2-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.9
[INFO] [stderr]   Downloaded dialoguer v0.10.0
[INFO] [stderr]   Downloaded terminal_size v0.1.17
[INFO] [stderr]   Downloaded console v0.15.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded once_cell v1.9.0
[INFO] [stderr]   Downloaded sudo v0.6.0
[INFO] [stderr]   Downloaded zeroize v1.5.2
[INFO] [stderr]   Downloaded libc v0.2.117
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77069e11b8157d5f94b4c7045f925c0a06467972b312084a49f0c76c1d56a6c6
[INFO] running `Command { std: "docker" "start" "-a" "77069e11b8157d5f94b4c7045f925c0a06467972b312084a49f0c76c1d56a6c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77069e11b8157d5f94b4c7045f925c0a06467972b312084a49f0c76c1d56a6c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77069e11b8157d5f94b4c7045f925c0a06467972b312084a49f0c76c1d56a6c6", kill_on_drop: false }`
[INFO] [stdout] 77069e11b8157d5f94b4c7045f925c0a06467972b312084a49f0c76c1d56a6c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30dfdf2d1cfeefdfdac573c61caf91dc0d7f01f829edc99de644d50c638df458
[INFO] running `Command { std: "docker" "start" "-a" "30dfdf2d1cfeefdfdac573c61caf91dc0d7f01f829edc99de644d50c638df458", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling zeroize v1.5.2
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling sudo v0.6.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling dialoguer v0.10.0
[INFO] [stderr]    Compiling archlinux-autodowngrade v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new2` is never used
[INFO] [stdout]   --> src/pacman_helper.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Filter<'_> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn new2<'a>(date: &'a str, key: &'a str) -> Filter<'a> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "30dfdf2d1cfeefdfdac573c61caf91dc0d7f01f829edc99de644d50c638df458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30dfdf2d1cfeefdfdac573c61caf91dc0d7f01f829edc99de644d50c638df458", kill_on_drop: false }`
[INFO] [stdout] 30dfdf2d1cfeefdfdac573c61caf91dc0d7f01f829edc99de644d50c638df458
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4832fa624cf1dd9df89cf4caddd173d8b2b89afc4b401ae42ae476a2905cc3b
[INFO] running `Command { std: "docker" "start" "-a" "a4832fa624cf1dd9df89cf4caddd173d8b2b89afc4b401ae42ae476a2905cc3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling archlinux-autodowngrade v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new2` is never used
[INFO] [stdout]   --> src/pacman_helper.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Filter<'_> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn new2<'a>(date: &'a str, key: &'a str) -> Filter<'a> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "a4832fa624cf1dd9df89cf4caddd173d8b2b89afc4b401ae42ae476a2905cc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4832fa624cf1dd9df89cf4caddd173d8b2b89afc4b401ae42ae476a2905cc3b", kill_on_drop: false }`
[INFO] [stdout] a4832fa624cf1dd9df89cf4caddd173d8b2b89afc4b401ae42ae476a2905cc3b