[INFO] fetching crate nineties 0.1.4...
[INFO] building nineties-0.1.4 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate nineties 0.1.4 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate nineties 0.1.4
[INFO] finished tweaking crates.io crate nineties 0.1.4
[INFO] tweaked toml for crates.io crate nineties 0.1.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nineties 0.1.4 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nineties 0.1.4 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81187e43384d4f8f261b93496a17f278dc09a002cbe645ff10f45e1a07b3f04f
[INFO] running `Command { std: "docker" "start" "-a" "81187e43384d4f8f261b93496a17f278dc09a002cbe645ff10f45e1a07b3f04f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81187e43384d4f8f261b93496a17f278dc09a002cbe645ff10f45e1a07b3f04f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81187e43384d4f8f261b93496a17f278dc09a002cbe645ff10f45e1a07b3f04f", kill_on_drop: false }`
[INFO] [stdout] 81187e43384d4f8f261b93496a17f278dc09a002cbe645ff10f45e1a07b3f04f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c85c7e07a8b25eefaf8b72615fa19b5298a53b9f68e28938fc63ba1d2f40a6f
[INFO] running `Command { std: "docker" "start" "-a" "4c85c7e07a8b25eefaf8b72615fa19b5298a53b9f68e28938fc63ba1d2f40a6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling include_dir_macros v0.7.4
[INFO] [stderr]    Compiling include_dir v0.7.4
[INFO] [stderr]    Compiling nineties v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]   --> src/main.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let stub_dir: Dir = include_dir!("$PATH_TO_STUBS");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: called `Result::unwrap()` on an `Err` value: MissingVariable { variable: "PATH_TO_STUBS" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead, Error};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nineties` (bin "nineties") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "4c85c7e07a8b25eefaf8b72615fa19b5298a53b9f68e28938fc63ba1d2f40a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c85c7e07a8b25eefaf8b72615fa19b5298a53b9f68e28938fc63ba1d2f40a6f", kill_on_drop: false }`
[INFO] [stdout] 4c85c7e07a8b25eefaf8b72615fa19b5298a53b9f68e28938fc63ba1d2f40a6f