[INFO] fetching crate dialectic-compiler 0.1.0...
[INFO] checking dialectic-compiler-0.1.0 against master#36b61e5aa593cc60cc92fc548b0d351e414aee2a for pr-116930
[INFO] extracting crate dialectic-compiler 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate dialectic-compiler 0.1.0 on toolchain 36b61e5aa593cc60cc92fc548b0d351e414aee2a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dialectic-compiler 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dialectic-compiler 0.1.0
[INFO] tweaked toml for crates.io crate dialectic-compiler 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thunderdome v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d13e6cfda76eb253400c60bdea6d46d69eaf0b49bed954dc1268d3b2ec7d5819
[INFO] running `Command { std: "docker" "start" "-a" "d13e6cfda76eb253400c60bdea6d46d69eaf0b49bed954dc1268d3b2ec7d5819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d13e6cfda76eb253400c60bdea6d46d69eaf0b49bed954dc1268d3b2ec7d5819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d13e6cfda76eb253400c60bdea6d46d69eaf0b49bed954dc1268d3b2ec7d5819", kill_on_drop: false }`
[INFO] [stdout] d13e6cfda76eb253400c60bdea6d46d69eaf0b49bed954dc1268d3b2ec7d5819
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a65ea8f1995825bfc2c59fecf7cfd6504ce0a21a38c7f1115940fa32b7d1cff4
[INFO] running `Command { std: "docker" "start" "-a" "a65ea8f1995825bfc2c59fecf7cfd6504ce0a21a38c7f1115940fa32b7d1cff4", kill_on_drop: false }`
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]     Checking winnow v0.5.17
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking thunderdome v0.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]     Checking thiserror v1.0.50
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking proc-macro-crate v1.3.1
[INFO] [stderr]     Checking dialectic-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `haltable` is never read
[INFO] [stdout]    --> src/flow.rs:16:5
[INFO] [stdout]     |
[INFO] [stdout] 14  | pub struct FlowAnalysis {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 15  |     passable: HashSet<Index>,
[INFO] [stdout] 16  |     haltable: HashSet<Index>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FlowAnalysis` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 | #![warn(unused)]
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `haltable` is never read
[INFO] [stdout]    --> src/flow.rs:16:5
[INFO] [stdout]     |
[INFO] [stdout] 14  | pub struct FlowAnalysis {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 15  |     passable: HashSet<Index>,
[INFO] [stdout] 16  |     haltable: HashSet<Index>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FlowAnalysis` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 | #![warn(unused)]
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "a65ea8f1995825bfc2c59fecf7cfd6504ce0a21a38c7f1115940fa32b7d1cff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a65ea8f1995825bfc2c59fecf7cfd6504ce0a21a38c7f1115940fa32b7d1cff4", kill_on_drop: false }`
[INFO] [stdout] a65ea8f1995825bfc2c59fecf7cfd6504ce0a21a38c7f1115940fa32b7d1cff4