[INFO] cloning repository https://github.com/tweber12/rulac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tweber12/rulac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftweber12%2Frulac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftweber12%2Frulac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0c0a4a915de1078005283bb3393af3dfc13f2e6
[INFO] checking tweber12/rulac against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftweber12%2Frulac" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tweber12/rulac on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tweber12/rulac
[INFO] finished tweaking git repo https://github.com/tweber12/rulac
[INFO] tweaked toml for git repo https://github.com/tweber12/rulac written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/tweber12/rulac already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb1d3c0d50acd8fa68ba109eac112c5cbe1f13865dab02a95c0970f83a2e6134
[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" "bb1d3c0d50acd8fa68ba109eac112c5cbe1f13865dab02a95c0970f83a2e6134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb1d3c0d50acd8fa68ba109eac112c5cbe1f13865dab02a95c0970f83a2e6134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1d3c0d50acd8fa68ba109eac112c5cbe1f13865dab02a95c0970f83a2e6134", kill_on_drop: false }`
[INFO] [stdout] bb1d3c0d50acd8fa68ba109eac112c5cbe1f13865dab02a95c0970f83a2e6134
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 655bba3eb8b8190aa6dffbe068e57d4cc19a8ea75fd103bd8a1c27911b255688
[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" "655bba3eb8b8190aa6dffbe068e57d4cc19a8ea75fd103bd8a1c27911b255688", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking unicode_names2 v0.4.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]    Compiling thread_local v1.1.1
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]     Checking itertools v0.9.0
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[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking unic-ucd-ident v0.9.0
[INFO] [stderr]     Checking unic-emoji-char v0.9.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]     Checking lexical-core v0.7.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
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[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]    Compiling cached_proc_macro v0.6.0
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking cached v0.23.0
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]     Checking tinytemplate v1.2.0
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]    Compiling rustpython-parser v0.1.2
[INFO] [stderr]     Checking helac_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `expr`
[INFO] [stdout]   --> src/spin/wavefunctions.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn expr(&self) -> MathExprPlain {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expr`
[INFO] [stdout]   --> src/spin/wavefunctions.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn expr(&self) -> MathExprPlain {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `helac_rs::skeleton::Builder`
[INFO] [stdout]  --> benches/skeleton.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use helac_rs::skeleton::Builder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Builder` in `skeleton`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ColorFlow`
[INFO] [stdout]  --> benches/skeleton.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use helac_rs::color::flow::{ColorFlow, ColorFlows};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `helac_rs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "655bba3eb8b8190aa6dffbe068e57d4cc19a8ea75fd103bd8a1c27911b255688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "655bba3eb8b8190aa6dffbe068e57d4cc19a8ea75fd103bd8a1c27911b255688", kill_on_drop: false }`
[INFO] [stdout] 655bba3eb8b8190aa6dffbe068e57d4cc19a8ea75fd103bd8a1c27911b255688