[INFO] cloning repository https://github.com/poteto/monkers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/poteto/monkers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoteto%2Fmonkers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoteto%2Fmonkers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5414c8968de12bf734651eb51a8114a259fa7f06
[INFO] checking poteto/monkers against master#1f81f906893d166d05fb4839f169983f2b564cc7 for pr-135167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoteto%2Fmonkers" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/poteto/monkers on toolchain 1f81f906893d166d05fb4839f169983f2b564cc7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f81f906893d166d05fb4839f169983f2b564cc7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/poteto/monkers
[INFO] finished tweaking git repo https://github.com/poteto/monkers
[INFO] tweaked toml for git repo https://github.com/poteto/monkers written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/poteto/monkers 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" "+1f81f906893d166d05fb4839f169983f2b564cc7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fd-lock v2.0.0
[INFO] [stderr]   Downloaded rustyline v8.2.0
[INFO] [stderr]   Downloaded string-interner v0.12.2
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1f81f906893d166d05fb4839f169983f2b564cc7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c13c310911e6378bd6cc95dc21c4ed2a07c4bc7202c732138fa45db6be48cb13
[INFO] running `Command { std: "docker" "start" "-a" "c13c310911e6378bd6cc95dc21c4ed2a07c4bc7202c732138fa45db6be48cb13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c13c310911e6378bd6cc95dc21c4ed2a07c4bc7202c732138fa45db6be48cb13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13c310911e6378bd6cc95dc21c4ed2a07c4bc7202c732138fa45db6be48cb13", kill_on_drop: false }`
[INFO] [stdout] c13c310911e6378bd6cc95dc21c4ed2a07c4bc7202c732138fa45db6be48cb13
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1f81f906893d166d05fb4839f169983f2b564cc7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 336560daaf252294235eac32584763d190855c8981a97d3f9d9865afd670b93e
[INFO] running `Command { std: "docker" "start" "-a" "336560daaf252294235eac32584763d190855c8981a97d3f9d9865afd670b93e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking dissimilar v1.0.6
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking expect-test v1.4.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking fd-lock v2.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v3.2.23
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking string-interner v0.12.2
[INFO] [stderr]     Checking rustyline v8.2.0
[INFO] [stderr]     Checking monkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name` and `scope` are never read
[INFO] [stdout]   --> src/compiler/symbol_table.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Symbol {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 11 |     name: SymbolU32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     scope: SymbolScope,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Symbol` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `entry` and `blocks` are never read
[INFO] [stdout]   --> src/hir/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct HIR {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 20 |     entry: BlockId,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 21 |     blocks: FnvHashMap<BlockId, BasicBlock>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HIR` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `preds`, and `succs` are never read
[INFO] [stdout]   --> src/hir/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct BasicBlock {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 26 |     id: BlockId,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 27 |     instructions: Vec<Instruction>,
[INFO] [stdout] 28 |     preds: Vec<BasicBlock>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 29 |     succs: Vec<BasicBlock>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BasicBlock` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hir` is never read
[INFO] [stdout]   --> src/hir/mod.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct HIRBuilder {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 48 |     hir: Option<HIR>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/compiler/symbol_table.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Symbol {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 11 |     name: SymbolU32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Symbol` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `entry` and `blocks` are never read
[INFO] [stdout]   --> src/hir/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct HIR {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 20 |     entry: BlockId,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 21 |     blocks: FnvHashMap<BlockId, BasicBlock>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HIR` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `preds`, and `succs` are never read
[INFO] [stdout]   --> src/hir/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct BasicBlock {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 26 |     id: BlockId,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 27 |     instructions: Vec<Instruction>,
[INFO] [stdout] 28 |     preds: Vec<BasicBlock>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 29 |     succs: Vec<BasicBlock>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BasicBlock` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hir` is never read
[INFO] [stdout]   --> src/hir/mod.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct HIRBuilder {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 48 |     hir: Option<HIR>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.53s
[INFO] running `Command { std: "docker" "inspect" "336560daaf252294235eac32584763d190855c8981a97d3f9d9865afd670b93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "336560daaf252294235eac32584763d190855c8981a97d3f9d9865afd670b93e", kill_on_drop: false }`
[INFO] [stdout] 336560daaf252294235eac32584763d190855c8981a97d3f9d9865afd670b93e