[INFO] cloning repository https://github.com/Kixiron/cranial-coitus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kixiron/cranial-coitus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKixiron%2Fcranial-coitus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKixiron%2Fcranial-coitus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67d9302f1e2d2aa253e5e67aa71f13606e180d56
[INFO] testing Kixiron/cranial-coitus against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKixiron%2Fcranial-coitus" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kixiron/cranial-coitus on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Kixiron/cranial-coitus
[INFO] finished tweaking git repo https://github.com/Kixiron/cranial-coitus
[INFO] tweaked toml for git repo https://github.com/Kixiron/cranial-coitus written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Kixiron/cranial-coitus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b312d61899bf08956f3ce4df1684111dd101cd128124465ef6a5e214cf2f77dd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b312d61899bf08956f3ce4df1684111dd101cd128124465ef6a5e214cf2f77dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b312d61899bf08956f3ce4df1684111dd101cd128124465ef6a5e214cf2f77dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b312d61899bf08956f3ce4df1684111dd101cd128124465ef6a5e214cf2f77dd", kill_on_drop: false }`
[INFO] [stdout] b312d61899bf08956f3ce4df1684111dd101cd128124465ef6a5e214cf2f77dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af42b6e40982a45118a1afae970304cfeebf581ac856ae587b1bd40b1027e6c3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "af42b6e40982a45118a1afae970304cfeebf581ac856ae587b1bd40b1027e6c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling superluminal-perf v0.1.1
[INFO] [stderr]    Compiling ranges v0.3.3
[INFO] [stderr]    Compiling xxhash-rust v0.8.2
[INFO] [stderr]    Compiling similar v2.1.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling pretty v0.10.0
[INFO] [stderr]    Compiling tinyvec v1.5.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling os_str_bytes v4.2.0
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling signal-hook-mio v0.2.1
[INFO] [stderr]    Compiling crossterm v0.20.0
[INFO] [stderr]    Compiling tui v0.16.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling clap v3.0.0-beta.5
[INFO] [stderr]    Compiling cranial-coitus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `step_limit`
[INFO] [stdout]   --> src/driver.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let step_limit = args.step_limit.unwrap_or(usize::MAX);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_limit`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cell_len`
[INFO] [stdout]    --> src/driver.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn debugger_tui(cell_len: usize, program: &str) -> Result<()> {
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Range`
[INFO] [stdout]   --> src/lattice.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     Range { low: T, high: T },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lattice.rs:99:18
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub const fn new(low: T, high: T) -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CloseLoop`
[INFO] [stdout]   --> src/parse.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct CloseLoop;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug_tokens`
[INFO] [stdout]   --> src/parse.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn debug_tokens(tokens: &[Self], mut output: impl Write) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug_tokens_inner`
[INFO] [stdout]   --> src/parse.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn debug_tokens_inner(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unbounded_i32`
[INFO] [stdout]    --> src/passes/dataflow.rs:481:12
[INFO] [stdout]     |
[INFO] [stdout] 481 |     pub fn unbounded_i32() -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `join`
[INFO] [stdout]    --> src/passes/dataflow.rs:505:12
[INFO] [stdout]     |
[INFO] [stdout] 505 |     pub fn join(&self, other: &Self) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `overlaps`
[INFO] [stdout]    --> src/passes/dataflow.rs:533:12
[INFO] [stdout]     |
[INFO] [stdout] 533 |     pub fn overlaps(&self, other: &Self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Atom`
[INFO] [stdout]  --> src/patterns/sexpr.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Atom(&'a str),
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]  --> src/patterns/sexpr.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Cons(Vec<Self>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_sexpr`
[INFO] [stdout]  --> src/patterns/sexpr.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn parse_sexpr(source: &str) -> Sexpr<'_> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_sexpr_inner`
[INFO] [stdout]   --> src/patterns/sexpr.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn parse_sexpr_inner<'a>(source: &'a str, chars: &mut Peekable<CharIndices>) -> Sexpr<'a> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parents`
[INFO] [stdout]  --> src/union_find.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     parents: Vec<Unioned>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/union_find.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub const fn new() -> Self {
[INFO] [stdout]   |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_set`
[INFO] [stdout]   --> src/union_find.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn make_set(&mut self) -> Unioned {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reserve`
[INFO] [stdout]   --> src/union_find.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn reserve(&mut self, additional: usize) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parent`
[INFO] [stdout]   --> src/union_find.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn parent(&self, query: Unioned) -> Unioned {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_parent`
[INFO] [stdout]   --> src/union_find.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn set_parent(&mut self, query: Unioned, new_parent: Unioned) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find`
[INFO] [stdout]   --> src/union_find.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn find(&mut self, mut current: Unioned) -> Unioned {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `union`
[INFO] [stdout]   --> src/union_find.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn union(&mut self, set1: Unioned, set2: Unioned) -> (Unioned, Unioned) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/union_find.rs:90:25
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub const unsafe fn new(index: usize) -> Self {
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `Command { std: "docker" "inspect" "af42b6e40982a45118a1afae970304cfeebf581ac856ae587b1bd40b1027e6c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af42b6e40982a45118a1afae970304cfeebf581ac856ae587b1bd40b1027e6c3", kill_on_drop: false }`
[INFO] [stdout] af42b6e40982a45118a1afae970304cfeebf581ac856ae587b1bd40b1027e6c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5824cd528c6bcb670981fce2ce208784184062fb9b5b7a2c3a3241291c3791e2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5824cd528c6bcb670981fce2ce208784184062fb9b5b7a2c3a3241291c3791e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranial-coitus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `step_limit`
[INFO] [stdout]   --> src/driver.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let step_limit = args.step_limit.unwrap_or(usize::MAX);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_limit`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cell_len`
[INFO] [stdout]    --> src/driver.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn debugger_tui(cell_len: usize, program: &str) -> Result<()> {
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Range`
[INFO] [stdout]   --> src/lattice.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     Range { low: T, high: T },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lattice.rs:99:18
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub const fn new(low: T, high: T) -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CloseLoop`
[INFO] [stdout]   --> src/parse.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct CloseLoop;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug_tokens`
[INFO] [stdout]   --> src/parse.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn debug_tokens(tokens: &[Self], mut output: impl Write) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug_tokens_inner`
[INFO] [stdout]   --> src/parse.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn debug_tokens_inner(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unbounded_i32`
[INFO] [stdout]    --> src/passes/dataflow.rs:481:12
[INFO] [stdout]     |
[INFO] [stdout] 481 |     pub fn unbounded_i32() -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `join`
[INFO] [stdout]    --> src/passes/dataflow.rs:505:12
[INFO] [stdout]     |
[INFO] [stdout] 505 |     pub fn join(&self, other: &Self) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `overlaps`
[INFO] [stdout]    --> src/passes/dataflow.rs:533:12
[INFO] [stdout]     |
[INFO] [stdout] 533 |     pub fn overlaps(&self, other: &Self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reserve`
[INFO] [stdout]   --> src/union_find.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn reserve(&mut self, additional: usize) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 28.60s
[INFO] running `Command { std: "docker" "inspect" "5824cd528c6bcb670981fce2ce208784184062fb9b5b7a2c3a3241291c3791e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5824cd528c6bcb670981fce2ce208784184062fb9b5b7a2c3a3241291c3791e2", kill_on_drop: false }`
[INFO] [stdout] 5824cd528c6bcb670981fce2ce208784184062fb9b5b7a2c3a3241291c3791e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6193d481aaccaaf203e4f4e4da3d47087000dd4ae12ddfba643ad8dd88476dcd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6193d481aaccaaf203e4f4e4da3d47087000dd4ae12ddfba643ad8dd88476dcd", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `step_limit`
[INFO] [stderr]   --> src/driver.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let step_limit = args.step_limit.unwrap_or(usize::MAX);
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_limit`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cell_len`
[INFO] [stderr]    --> src/driver.rs:102:21
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub fn debugger_tui(cell_len: usize, program: &str) -> Result<()> {
[INFO] [stderr]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell_len`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Range`
[INFO] [stderr]   --> src/lattice.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     Range { low: T, high: T },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/lattice.rs:99:18
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub const fn new(low: T, high: T) -> Self {
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CloseLoop`
[INFO] [stderr]   --> src/parse.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct CloseLoop;
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `debug_tokens`
[INFO] [stderr]   --> src/parse.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn debug_tokens(tokens: &[Self], mut output: impl Write) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `debug_tokens_inner`
[INFO] [stderr]   --> src/parse.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn debug_tokens_inner(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unbounded_i32`
[INFO] [stderr]    --> src/passes/dataflow.rs:481:12
[INFO] [stderr]     |
[INFO] [stderr] 481 |     pub fn unbounded_i32() -> Self {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `join`
[INFO] [stderr]    --> src/passes/dataflow.rs:505:12
[INFO] [stderr]     |
[INFO] [stderr] 505 |     pub fn join(&self, other: &Self) -> Self {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `overlaps`
[INFO] [stderr]    --> src/passes/dataflow.rs:533:12
[INFO] [stderr]     |
[INFO] [stderr] 533 |     pub fn overlaps(&self, other: &Self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `reserve`
[INFO] [stderr]   --> src/union_find.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn reserve(&mut self, additional: usize) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cranial-coitus` (bin "cranial-coitus" test) generated 11 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cranial_coitus-06f3f3d905ea8254)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test patterns::sexpr::sexpr_smoke_test ... ok
[INFO] [stdout] test union_find::tests::union_find ... ok
[INFO] [stdout] test passes::const_folding::constant_sub ... ok
[INFO] [stdout] test passes::const_folding::constant_mul ... ok
[INFO] [stdout] test passes::memchr_loop ... ok
[INFO] [stdout] test passes::const_folding::chained_booleans ... ok
[INFO] [stdout] test passes::const_folding::constant_add ... ok
[INFO] [stdout] test passes::licm::move_constants_from_theta ... ok
[INFO] [stdout] test interpreter::addition_loop ... ok
[INFO] [stdout] test interpreter::branching ... ok
[INFO] [stdout] test passes::add_sub_loop::tests::addition_motif_one ... ok
[INFO] [stdout] test passes::square_cell::square_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6193d481aaccaaf203e4f4e4da3d47087000dd4ae12ddfba643ad8dd88476dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6193d481aaccaaf203e4f4e4da3d47087000dd4ae12ddfba643ad8dd88476dcd", kill_on_drop: false }`
[INFO] [stdout] 6193d481aaccaaf203e4f4e4da3d47087000dd4ae12ddfba643ad8dd88476dcd