[INFO] cloning repository https://github.com/singalen/til-eval-lifetimes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/singalen/til-eval-lifetimes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingalen%2Ftil-eval-lifetimes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingalen%2Ftil-eval-lifetimes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 779ece89ef6f19433bb475bfbd30982a5a8d5017
[INFO] checking singalen/til-eval-lifetimes against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingalen%2Ftil-eval-lifetimes" "/workspace/builds/worker-73/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-73/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/singalen/til-eval-lifetimes on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/singalen/til-eval-lifetimes
[INFO] finished tweaking git repo https://github.com/singalen/til-eval-lifetimes
[INFO] tweaked toml for git repo https://github.com/singalen/til-eval-lifetimes written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate git repo https://github.com/singalen/til-eval-lifetimes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "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-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f16583be0877fae0efcd00dbbc75448e8679858a5ed1f6628f0d3cd6fec3c59
[INFO] running `Command { std: "docker" "start" "-a" "8f16583be0877fae0efcd00dbbc75448e8679858a5ed1f6628f0d3cd6fec3c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f16583be0877fae0efcd00dbbc75448e8679858a5ed1f6628f0d3cd6fec3c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f16583be0877fae0efcd00dbbc75448e8679858a5ed1f6628f0d3cd6fec3c59", kill_on_drop: false }`
[INFO] [stdout] 8f16583be0877fae0efcd00dbbc75448e8679858a5ed1f6628f0d3cd6fec3c59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9965adb61a9a14cb6d786865e5f062bf62778e2a0ba1d0b423ce9ea01e32a9a1
[INFO] running `Command { std: "docker" "start" "-a" "9965adb61a9a14cb6d786865e5f062bf62778e2a0ba1d0b423ce9ea01e32a9a1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking eval-lifetimes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Dummy`
[INFO] [stdout]    --> src/eval.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 149 |     Dummy
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Expression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/eval.rs:140:10
[INFO] [stdout]     |
[INFO] [stdout] 140 | #[derive(Debug, Clone)] // FromPest,
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "9965adb61a9a14cb6d786865e5f062bf62778e2a0ba1d0b423ce9ea01e32a9a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9965adb61a9a14cb6d786865e5f062bf62778e2a0ba1d0b423ce9ea01e32a9a1", kill_on_drop: false }`
[INFO] [stdout] 9965adb61a9a14cb6d786865e5f062bf62778e2a0ba1d0b423ce9ea01e32a9a1