[INFO] cloning repository https://github.com/qnighy/logic-solver-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qnighy/logic-solver-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqnighy%2Flogic-solver-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqnighy%2Flogic-solver-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6ab52b6e8a4fb46ffdaebe8045f4768240ea920
[INFO] checking qnighy/logic-solver-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqnighy%2Flogic-solver-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qnighy/logic-solver-rs 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 git repo https://github.com/qnighy/logic-solver-rs
[INFO] finished tweaking git repo https://github.com/qnighy/logic-solver-rs
[INFO] tweaked toml for git repo https://github.com/qnighy/logic-solver-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/qnighy/logic-solver-rs 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/Geal/nom`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec_mut_scan v0.3.0
[INFO] [stderr]   Downloaded varisat-internal-macros v0.2.2
[INFO] [stderr]   Downloaded varisat v0.2.2
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[INFO] [stderr]   Downloaded insta v1.7.1
[INFO] [stderr]   Downloaded partial_ref v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] aebd171713c9a8f8cc078c0f6de715b966e35e178bea00097bd0368359881df7
[INFO] running `Command { std: "docker" "start" "-a" "aebd171713c9a8f8cc078c0f6de715b966e35e178bea00097bd0368359881df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aebd171713c9a8f8cc078c0f6de715b966e35e178bea00097bd0368359881df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aebd171713c9a8f8cc078c0f6de715b966e35e178bea00097bd0368359881df7", kill_on_drop: false }`
[INFO] [stdout] aebd171713c9a8f8cc078c0f6de715b966e35e178bea00097bd0368359881df7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0edd0a433089edd7bba1a21db2d74862bd49b6d4577b4ca0e5df1720d1aa575e
[INFO] running `Command { std: "docker" "start" "-a" "0edd0a433089edd7bba1a21db2d74862bd49b6d4577b4ca0e5df1720d1aa575e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling nom v6.2.1 (https://github.com/Geal/nom?rev=03a1025a5d98df931f12b1935d04f7bd9fe7752c#03a1025a)
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking varisat-formula v0.2.2
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling askama_escape v0.10.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking vec_mut_scan v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]    Compiling varisat v0.2.2
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking varisat-internal-proof v0.2.2
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking ordered-float v2.2.0
[INFO] [stderr]     Checking similar v1.3.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking big_s v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling partial_ref_derive v0.3.2
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.2
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking varisat-dimacs v0.2.2
[INFO] [stderr]     Checking partial_ref v0.3.2
[INFO] [stderr]     Checking varisat-checker v0.2.2
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking insta v1.7.1
[INFO] [stderr]     Checking askama_shared v0.11.1
[INFO] [stderr]    Compiling askama_derive v0.10.5
[INFO] [stderr]     Checking askama v0.10.5
[INFO] [stderr]     Checking logic-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `BitVec` is imported redundantly
[INFO] [stdout]  --> src/ipc/icnf_solver.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bitvec::prelude::*;
[INFO] [stdout]   |     ------------------ the item `BitVec` is already imported here
[INFO] [stdout] 2 | use bitvec::vec::BitVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BitVec` is imported redundantly
[INFO] [stdout]  --> src/ipc/icnf_solver.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bitvec::prelude::*;
[INFO] [stdout]   |     ------------------ the item `BitVec` is already imported here
[INFO] [stdout] 2 | use bitvec::vec::BitVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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` profile [unoptimized + debuginfo] target(s) in 36.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.2.1 (https://github.com/Geal/nom?rev=03a1025a5d98df931f12b1935d04f7bd9fe7752c#03a1025a)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "0edd0a433089edd7bba1a21db2d74862bd49b6d4577b4ca0e5df1720d1aa575e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0edd0a433089edd7bba1a21db2d74862bd49b6d4577b4ca0e5df1720d1aa575e", kill_on_drop: false }`
[INFO] [stdout] 0edd0a433089edd7bba1a21db2d74862bd49b6d4577b4ca0e5df1720d1aa575e
[INFO] checking qnighy/logic-solver-rs against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqnighy%2Flogic-solver-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qnighy/logic-solver-rs on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qnighy/logic-solver-rs
[INFO] finished tweaking git repo https://github.com/qnighy/logic-solver-rs
[INFO] tweaked toml for git repo https://github.com/qnighy/logic-solver-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/qnighy/logic-solver-rs 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6632aabe248ca180d242b31c8772f7b9fc4525df29999f2c8ee7dc4b04f87c7
[INFO] running `Command { std: "docker" "start" "-a" "d6632aabe248ca180d242b31c8772f7b9fc4525df29999f2c8ee7dc4b04f87c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6632aabe248ca180d242b31c8772f7b9fc4525df29999f2c8ee7dc4b04f87c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6632aabe248ca180d242b31c8772f7b9fc4525df29999f2c8ee7dc4b04f87c7", kill_on_drop: false }`
[INFO] [stdout] d6632aabe248ca180d242b31c8772f7b9fc4525df29999f2c8ee7dc4b04f87c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a0331dadb86d1441363d0d3396cc418b96b96d379b20b11e7122c4db53b56ee
[INFO] running `Command { std: "docker" "start" "-a" "7a0331dadb86d1441363d0d3396cc418b96b96d379b20b11e7122c4db53b56ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling nom v6.2.1 (https://github.com/Geal/nom?rev=03a1025a5d98df931f12b1935d04f7bd9fe7752c#03a1025a)
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking varisat-formula v0.2.2
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling askama_escape v0.10.1
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking vec_mut_scan v0.3.0
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking varisat-internal-proof v0.2.2
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking similar v1.3.0
[INFO] [stderr]    Compiling varisat v0.2.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking big_s v1.0.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking ordered-float v2.2.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling partial_ref_derive v0.3.2
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.2
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking partial_ref v0.3.2
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking varisat-dimacs v0.2.2
[INFO] [stderr]     Checking varisat-checker v0.2.2
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking askama_shared v0.11.1
[INFO] [stderr]     Checking insta v1.7.1
[INFO] [stderr]    Compiling askama_derive v0.10.5
[INFO] [stderr]     Checking askama v0.10.5
[INFO] [stderr]     Checking logic-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `BitVec` is imported redundantly
[INFO] [stdout]  --> src/ipc/icnf_solver.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bitvec::prelude::*;
[INFO] [stdout]   |     ------------------ the item `BitVec` is already imported here
[INFO] [stdout] 2 | use bitvec::vec::BitVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BitVec` is imported redundantly
[INFO] [stdout]  --> src/ipc/icnf_solver.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bitvec::prelude::*;
[INFO] [stdout]   |     ------------------ the item `BitVec` is already imported here
[INFO] [stdout] 2 | use bitvec::vec::BitVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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` profile [unoptimized + debuginfo] target(s) in 32.92s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.2.1 (https://github.com/Geal/nom?rev=03a1025a5d98df931f12b1935d04f7bd9fe7752c#03a1025a)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "7a0331dadb86d1441363d0d3396cc418b96b96d379b20b11e7122c4db53b56ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a0331dadb86d1441363d0d3396cc418b96b96d379b20b11e7122c4db53b56ee", kill_on_drop: false }`
[INFO] [stdout] 7a0331dadb86d1441363d0d3396cc418b96b96d379b20b11e7122c4db53b56ee