[INFO] cloning repository https://github.com/synecdokey/viper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/synecdokey/viper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsynecdokey%2Fviper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsynecdokey%2Fviper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66e9ccd6fe00f24c4caf6f73620815a59e554564
[INFO] building synecdokey/viper 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%2Fsynecdokey%2Fviper" "/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/synecdokey/viper 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/synecdokey/viper
[INFO] finished tweaking git repo https://github.com/synecdokey/viper
[INFO] tweaked toml for git repo https://github.com/synecdokey/viper written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/synecdokey/viper 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]  Downloading crates ...
[INFO] [stderr]   Downloaded ropey v1.2.0
[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] 017cd0a1febe71f1b08dda85c2c64ba23afb9e647237d9816d619aa79e18ffc5
[INFO] running `Command { std: "docker" "start" "-a" "017cd0a1febe71f1b08dda85c2c64ba23afb9e647237d9816d619aa79e18ffc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "017cd0a1febe71f1b08dda85c2c64ba23afb9e647237d9816d619aa79e18ffc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "017cd0a1febe71f1b08dda85c2c64ba23afb9e647237d9816d619aa79e18ffc5", kill_on_drop: false }`
[INFO] [stdout] 017cd0a1febe71f1b08dda85c2c64ba23afb9e647237d9816d619aa79e18ffc5
[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] dfdaca5c9619b41e02de3ef4eaccbf8bd571791e84f7d5e09dff90075a34769e
[INFO] running `Command { std: "docker" "start" "-a" "dfdaca5c9619b41e02de3ef4eaccbf8bd571791e84f7d5e09dff90075a34769e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling smallvec v1.4.1
[INFO] [stderr]    Compiling ropey v1.2.0
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling viper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/coordinates.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Coordinates {
[INFO] [stdout]   | ---------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Visual`, `VisualBlock`, `VisualLine`, `Command`, and `Insert` are never constructed
[INFO] [stdout]  --> src/mode.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Mode {
[INFO] [stdout]   |          ---- variants in this enum
[INFO] [stdout] 4 |     Normal,
[INFO] [stdout] 5 |     Visual,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 6 |     VisualBlock,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 7 |     VisualLine,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 8 |     Command,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 9 |     Insert,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "dfdaca5c9619b41e02de3ef4eaccbf8bd571791e84f7d5e09dff90075a34769e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfdaca5c9619b41e02de3ef4eaccbf8bd571791e84f7d5e09dff90075a34769e", kill_on_drop: false }`
[INFO] [stdout] dfdaca5c9619b41e02de3ef4eaccbf8bd571791e84f7d5e09dff90075a34769e
[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] 1824cbbc5a93786ed710a1899972c7a1697724dc798ee08bb5facfeda97556a3
[INFO] running `Command { std: "docker" "start" "-a" "1824cbbc5a93786ed710a1899972c7a1697724dc798ee08bb5facfeda97556a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling viper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/coordinates.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Coordinates {
[INFO] [stdout]   | ---------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Visual`, `VisualBlock`, `VisualLine`, `Command`, and `Insert` are never constructed
[INFO] [stdout]  --> src/mode.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Mode {
[INFO] [stdout]   |          ---- variants in this enum
[INFO] [stdout] 4 |     Normal,
[INFO] [stdout] 5 |     Visual,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 6 |     VisualBlock,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 7 |     VisualLine,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 8 |     Command,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 9 |     Insert,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "1824cbbc5a93786ed710a1899972c7a1697724dc798ee08bb5facfeda97556a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1824cbbc5a93786ed710a1899972c7a1697724dc798ee08bb5facfeda97556a3", kill_on_drop: false }`
[INFO] [stdout] 1824cbbc5a93786ed710a1899972c7a1697724dc798ee08bb5facfeda97556a3