[INFO] cloning repository https://github.com/scizzorz/typing-speed
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scizzorz/typing-speed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscizzorz%2Ftyping-speed", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscizzorz%2Ftyping-speed'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee0bf9525311654302e37c1f432f80737d82965c
[INFO] building scizzorz/typing-speed 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%2Fscizzorz%2Ftyping-speed" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scizzorz/typing-speed 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/scizzorz/typing-speed
[INFO] finished tweaking git repo https://github.com/scizzorz/typing-speed
[INFO] tweaked toml for git repo https://github.com/scizzorz/typing-speed written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/scizzorz/typing-speed 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] df7893e8f4aadecd6a62730fbc5cfb642321ee0397ae3c2f5043e489ce3871f9
[INFO] running `Command { std: "docker" "start" "-a" "df7893e8f4aadecd6a62730fbc5cfb642321ee0397ae3c2f5043e489ce3871f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df7893e8f4aadecd6a62730fbc5cfb642321ee0397ae3c2f5043e489ce3871f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df7893e8f4aadecd6a62730fbc5cfb642321ee0397ae3c2f5043e489ce3871f9", kill_on_drop: false }`
[INFO] [stdout] df7893e8f4aadecd6a62730fbc5cfb642321ee0397ae3c2f5043e489ce3871f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 43d1175f28bcf72c1ee556e2512fd38c5ecee34f147d87a1aafbae9f860bc6ad
[INFO] running `Command { std: "docker" "start" "-a" "43d1175f28bcf72c1ee556e2512fd38c5ecee34f147d87a1aafbae9f860bc6ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling typing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `word_end` is never read
[INFO] [stdout]   --> src/main.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 |   let mut word_end = presses.first().unwrap().time;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `word_end_i` is never read
[INFO] [stdout]   --> src/main.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 |   let mut word_end_i = 0;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "43d1175f28bcf72c1ee556e2512fd38c5ecee34f147d87a1aafbae9f860bc6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d1175f28bcf72c1ee556e2512fd38c5ecee34f147d87a1aafbae9f860bc6ad", kill_on_drop: false }`
[INFO] [stdout] 43d1175f28bcf72c1ee556e2512fd38c5ecee34f147d87a1aafbae9f860bc6ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dc926012567af78b187e13adb55a0128faf83720ee9035d3432108ae4fd4c25f
[INFO] running `Command { std: "docker" "start" "-a" "dc926012567af78b187e13adb55a0128faf83720ee9035d3432108ae4fd4c25f", kill_on_drop: false }`
[INFO] [stderr]    Compiling typing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `word_end` is never read
[INFO] [stdout]   --> src/main.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 |   let mut word_end = presses.first().unwrap().time;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `word_end_i` is never read
[INFO] [stdout]   --> src/main.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 |   let mut word_end_i = 0;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "dc926012567af78b187e13adb55a0128faf83720ee9035d3432108ae4fd4c25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc926012567af78b187e13adb55a0128faf83720ee9035d3432108ae4fd4c25f", kill_on_drop: false }`
[INFO] [stdout] dc926012567af78b187e13adb55a0128faf83720ee9035d3432108ae4fd4c25f