[INFO] fetching crate programinduction 0.8.0... [INFO] checking programinduction-0.8.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate programinduction 0.8.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate programinduction 0.8.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate programinduction 0.8.0 [INFO] finished tweaking crates.io crate programinduction 0.8.0 [INFO] tweaked toml for crates.io crate programinduction 0.8.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 49 packages [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.2.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding crossbeam-channel v0.3.9 (latest: v0.5.12) [INFO] [stderr] Adding crossbeam-utils v0.6.6 (latest: v0.8.19) [INFO] [stderr] Adding itertools v0.7.11 (latest: v0.12.1) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.12.1) [INFO] [stderr] Adding nom v4.2.3 (latest: v7.1.3) [INFO] [stderr] Adding polytype v6.1.1 (latest: v7.0.1) [INFO] [stderr] Adding rand v0.5.6 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.6.5 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (latest: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding term_rewriting v0.5.0 (latest: v0.7.0) [INFO] [stderr] Adding version_check v0.1.5 (latest: v0.9.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded term_rewriting v0.5.0 [INFO] [stderr] Downloaded polytype v6.1.1 [INFO] [stderr] Downloaded rand v0.5.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3347765170a84b96486c1651958321b2e336645291103a0489b07356288961a6 [INFO] running `Command { std: "docker" "start" "-a" "3347765170a84b96486c1651958321b2e336645291103a0489b07356288961a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3347765170a84b96486c1651958321b2e336645291103a0489b07356288961a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3347765170a84b96486c1651958321b2e336645291103a0489b07356288961a6", kill_on_drop: false }` [INFO] [stdout] 3347765170a84b96486c1651958321b2e336645291103a0489b07356288961a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c4a8d5dbd0a7af101a52f60129e0a9d4e0a56e7415cf8129a48fc9eebbca4fc0 [INFO] running `Command { std: "docker" "start" "-a" "c4a8d5dbd0a7af101a52f60129e0a9d4e0a56e7415cf8129a48fc9eebbca4fc0", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking polytype v6.1.1 [INFO] [stderr] Checking term_rewriting v0.5.0 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking programinduction v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/domains/strings.rs:396:16 [INFO] [stdout] | [INFO] [stdout] 396 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:111:1 [INFO] [stdout] | [INFO] [stdout] 111 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/domains/strings.rs:736:10 [INFO] [stdout] | [INFO] [stdout] 736 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nom` is imported redundantly [INFO] [stdout] --> src/trs/parser.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use nom; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:108:1 [INFO] [stdout] | [INFO] [stdout] 108 | extern crate nom; [INFO] [stdout] | ----------------- the item `nom` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `polytype` is imported redundantly [INFO] [stdout] --> src/trs/mod.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | use polytype; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:110:1 [INFO] [stdout] | [INFO] [stdout] 110 | extern crate polytype; [INFO] [stdout] | ---------------------- the item `polytype` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/domains/strings.rs:396:16 [INFO] [stdout] | [INFO] [stdout] 396 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:111:1 [INFO] [stdout] | [INFO] [stdout] 111 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/domains/strings.rs:736:10 [INFO] [stdout] | [INFO] [stdout] 736 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nom` is imported redundantly [INFO] [stdout] --> src/trs/parser.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use nom; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:108:1 [INFO] [stdout] | [INFO] [stdout] 108 | extern crate nom; [INFO] [stdout] | ----------------- the item `nom` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Signature` is imported redundantly [INFO] [stdout] --> src/trs/parser.rs:397:9 [INFO] [stdout] | [INFO] [stdout] 396 | use super::*; [INFO] [stdout] | -------- the item `Signature` is already imported here [INFO] [stdout] 397 | use term_rewriting::Signature; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `polytype` is imported redundantly [INFO] [stdout] --> src/trs/mod.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | use polytype; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:110:1 [INFO] [stdout] | [INFO] [stdout] 110 | extern crate polytype; [INFO] [stdout] | ---------------------- the item `polytype` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lambda/mod.rs:588:13 [INFO] [stdout] | [INFO] [stdout] 588 | for mut c in &mut cands[indexed_start..] { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lambda/mod.rs:603:13 [INFO] [stdout] | [INFO] [stdout] 603 | for mut c in &mut cands { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> tests/lambda.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 70 | /// an index never makes sense outside of an application or lambda body. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lambda/mod.rs:588:13 [INFO] [stdout] | [INFO] [stdout] 588 | for mut c in &mut cands[indexed_start..] { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lambda/mod.rs:603:13 [INFO] [stdout] | [INFO] [stdout] 603 | for mut c in &mut cands { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.57s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "c4a8d5dbd0a7af101a52f60129e0a9d4e0a56e7415cf8129a48fc9eebbca4fc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4a8d5dbd0a7af101a52f60129e0a9d4e0a56e7415cf8129a48fc9eebbca4fc0", kill_on_drop: false }` [INFO] [stdout] c4a8d5dbd0a7af101a52f60129e0a9d4e0a56e7415cf8129a48fc9eebbca4fc0 [INFO] checking programinduction-0.8.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate programinduction 0.8.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate programinduction 0.8.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate programinduction 0.8.0 [INFO] finished tweaking crates.io crate programinduction 0.8.0 [INFO] tweaked toml for crates.io crate programinduction 0.8.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] edf348bfa40ea2fca4b92a5fa5e8e7893bfaa609eeae0175ca50095d6ebf286c [INFO] running `Command { std: "docker" "start" "-a" "edf348bfa40ea2fca4b92a5fa5e8e7893bfaa609eeae0175ca50095d6ebf286c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "edf348bfa40ea2fca4b92a5fa5e8e7893bfaa609eeae0175ca50095d6ebf286c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edf348bfa40ea2fca4b92a5fa5e8e7893bfaa609eeae0175ca50095d6ebf286c", kill_on_drop: false }` [INFO] [stdout] edf348bfa40ea2fca4b92a5fa5e8e7893bfaa609eeae0175ca50095d6ebf286c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d92720f4c09b63038d6ac2985ff57c107cb3b43192e026864e167f289d86f657 [INFO] running `Command { std: "docker" "start" "-a" "d92720f4c09b63038d6ac2985ff57c107cb3b43192e026864e167f289d86f657", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking term_rewriting v0.5.0 [INFO] [stderr] Checking polytype v6.1.1 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking programinduction v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/domains/strings.rs:396:16 [INFO] [stdout] | [INFO] [stdout] 396 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:111:1 [INFO] [stdout] | [INFO] [stdout] 111 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/domains/strings.rs:736:10 [INFO] [stdout] | [INFO] [stdout] 736 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nom` is imported redundantly [INFO] [stdout] --> src/trs/parser.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use nom; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:108:1 [INFO] [stdout] | [INFO] [stdout] 108 | extern crate nom; [INFO] [stdout] | ----------------- the item `nom` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `polytype` is imported redundantly [INFO] [stdout] --> src/trs/mod.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | use polytype; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:110:1 [INFO] [stdout] | [INFO] [stdout] 110 | extern crate polytype; [INFO] [stdout] | ---------------------- the item `polytype` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/domains/strings.rs:396:16 [INFO] [stdout] | [INFO] [stdout] 396 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:111:1 [INFO] [stdout] | [INFO] [stdout] 111 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/domains/strings.rs:736:10 [INFO] [stdout] | [INFO] [stdout] 736 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nom` is imported redundantly [INFO] [stdout] --> src/trs/parser.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use nom; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:108:1 [INFO] [stdout] | [INFO] [stdout] 108 | extern crate nom; [INFO] [stdout] | ----------------- the item `nom` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Signature` is imported redundantly [INFO] [stdout] --> src/trs/parser.rs:397:9 [INFO] [stdout] | [INFO] [stdout] 396 | use super::*; [INFO] [stdout] | -------- the item `Signature` is already imported here [INFO] [stdout] 397 | use term_rewriting::Signature; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `polytype` is imported redundantly [INFO] [stdout] --> src/trs/mod.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | use polytype; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:110:1 [INFO] [stdout] | [INFO] [stdout] 110 | extern crate polytype; [INFO] [stdout] | ---------------------- the item `polytype` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lambda/mod.rs:588:13 [INFO] [stdout] | [INFO] [stdout] 588 | for mut c in &mut cands[indexed_start..] { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lambda/mod.rs:603:13 [INFO] [stdout] | [INFO] [stdout] 603 | for mut c in &mut cands { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lambda/mod.rs:588:13 [INFO] [stdout] | [INFO] [stdout] 588 | for mut c in &mut cands[indexed_start..] { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lambda/mod.rs:603:13 [INFO] [stdout] | [INFO] [stdout] 603 | for mut c in &mut cands { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> tests/lambda.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 70 | /// an index never makes sense outside of an application or lambda body. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.52s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "d92720f4c09b63038d6ac2985ff57c107cb3b43192e026864e167f289d86f657", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d92720f4c09b63038d6ac2985ff57c107cb3b43192e026864e167f289d86f657", kill_on_drop: false }` [INFO] [stdout] d92720f4c09b63038d6ac2985ff57c107cb3b43192e026864e167f289d86f657