[INFO] cloning repository https://github.com/cfallin/overlapping-encodings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cfallin/overlapping-encodings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfallin%2Foverlapping-encodings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfallin%2Foverlapping-encodings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 376540955b49e757f1db71ef052cf77ad55922de
[INFO] checking cfallin/overlapping-encodings against try#5cafabc9f16561d7796554d5d241c3068e2bd97f for pr-135852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfallin%2Foverlapping-encodings" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cfallin/overlapping-encodings on toolchain 5cafabc9f16561d7796554d5d241c3068e2bd97f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cfallin/overlapping-encodings
[INFO] finished tweaking git repo https://github.com/cfallin/overlapping-encodings
[INFO] tweaked toml for git repo https://github.com/cfallin/overlapping-encodings written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cfallin/overlapping-encodings 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" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded boolean_expression v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19eb8461f705e51729b2b55a9ee34829c0ea364f6d24911daf4ced0e970bad85
[INFO] running `Command { std: "docker" "start" "-a" "19eb8461f705e51729b2b55a9ee34829c0ea364f6d24911daf4ced0e970bad85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19eb8461f705e51729b2b55a9ee34829c0ea364f6d24911daf4ced0e970bad85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19eb8461f705e51729b2b55a9ee34829c0ea364f6d24911daf4ced0e970bad85", kill_on_drop: false }`
[INFO] [stdout] 19eb8461f705e51729b2b55a9ee34829c0ea364f6d24911daf4ced0e970bad85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 506f30e9e96b5f335a2e180a48e329d6a010eb86f69d463bc2e42c1b317f31d9
[INFO] running `Command { std: "docker" "start" "-a" "506f30e9e96b5f335a2e180a48e329d6a010eb86f69d463bc2e42c1b317f31d9", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking boolean_expression v0.4.4
[INFO] [stderr]     Checking overlapping-encodings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `BDD` is never used
[INFO] [stdout]  --> src/main.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type BDD = boolean_expression::BDD<u32>; // BDD with terminals labeled by bit indices
[INFO] [stdout]   |      ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Encoding` is never constructed
[INFO] [stdout]  --> src/main.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Encoding {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_bdd` is never used
[INFO] [stdout]   --> src/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Encoding {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn to_bdd(&self, bdd: &mut BDD) -> BDDFunc {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_overlapping_encoding` is never used
[INFO] [stdout]   --> src/main.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn find_overlapping_encoding(encodings: &[Encoding]) -> Option<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "506f30e9e96b5f335a2e180a48e329d6a010eb86f69d463bc2e42c1b317f31d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "506f30e9e96b5f335a2e180a48e329d6a010eb86f69d463bc2e42c1b317f31d9", kill_on_drop: false }`
[INFO] [stdout] 506f30e9e96b5f335a2e180a48e329d6a010eb86f69d463bc2e42c1b317f31d9