[INFO] cloning repository https://github.com/obaraelijah/redis-proto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/obaraelijah/redis-proto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobaraelijah%2Fredis-proto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobaraelijah%2Fredis-proto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 407d1db8d3d05c8fd315d9407262c5f18c454d63
[INFO] checking obaraelijah/redis-proto against try#63132bd615c9bf75e93af8405d00064212331708 for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobaraelijah%2Fredis-proto" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/obaraelijah/redis-proto
[INFO] finished tweaking git repo https://github.com/obaraelijah/redis-proto
[INFO] tweaked toml for git repo https://github.com/obaraelijah/redis-proto written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/obaraelijah/redis-proto on toolchain 63132bd615c9bf75e93af8405d00064212331708
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/obaraelijah/redis-proto 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" "+63132bd615c9bf75e93af8405d00064212331708" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/obaraelijah/x9`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking obaraelijah/redis-proto against try#63132bd615c9bf75e93af8405d00064212331708 for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobaraelijah%2Fredis-proto" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/obaraelijah/redis-proto
[INFO] finished tweaking git repo https://github.com/obaraelijah/redis-proto
[INFO] tweaked toml for git repo https://github.com/obaraelijah/redis-proto written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/obaraelijah/redis-proto on toolchain 63132bd615c9bf75e93af8405d00064212331708
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/obaraelijah/redis-proto 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" "+63132bd615c9bf75e93af8405d00064212331708" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded growable-bloom-filter v2.1.1
[INFO] [stderr]   Downloaded serde_closure_derive v0.3.3
[INFO] [stderr]   Downloaded serde_closure v0.3.3
[INFO] [stderr]   Downloaded bigdecimal v0.4.5
[INFO] [stderr]   Downloaded seahash v3.0.7
[INFO] [stderr]   Downloaded xxhash-rust v0.8.10
[INFO] [stderr]   Downloaded serde_derive v1.0.202
[INFO] [stderr]   Downloaded amadeus-streaming v0.4.3
[INFO] [stderr]   Downloaded serde v1.0.202
[INFO] [stderr]   Downloaded rustyline v9.1.2
[INFO] [stderr]   Downloaded rustyline v7.1.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.83
[INFO] [stderr]   Downloaded promptly v0.3.1
[INFO] [stderr]   Downloaded nix v0.19.1
[INFO] [stderr]   Downloaded proptest v1.5.0
[INFO] [stderr]   Downloaded slog-term v2.9.1
[INFO] [stderr]   Downloaded dary_heap v0.3.6
[INFO] [stderr]   Downloaded fd-lock v3.0.13
[INFO] [stderr]   Downloaded syn v2.0.65
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fcb56f6955934e7be10df41fb5c3e1cda39908776f427b56260c6b9316fa3a4
[INFO] running `Command { std: "docker" "start" "-a" "4fcb56f6955934e7be10df41fb5c3e1cda39908776f427b56260c6b9316fa3a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fcb56f6955934e7be10df41fb5c3e1cda39908776f427b56260c6b9316fa3a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fcb56f6955934e7be10df41fb5c3e1cda39908776f427b56260c6b9316fa3a4", kill_on_drop: false }`
[INFO] [stdout] 4fcb56f6955934e7be10df41fb5c3e1cda39908776f427b56260c6b9316fa3a4
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2bb28af31d6c9f98f9d8ba6ef9a376dc3d57fcf017574d9213c0bb0959cb044
[INFO] running `Command { std: "docker" "start" "-a" "c2bb28af31d6c9f98f9d8ba6ef9a376dc3d57fcf017574d9213c0bb0959cb044", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking unicode-width v0.1.12
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling bigdecimal v0.4.5
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]     Checking rle-decode-fast v1.0.3
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking dary_heap v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking slog-stdlog v4.1.1
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking plotters-backend v0.3.6
[INFO] [stderr]     Checking xxhash-rust v0.8.10
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking plotters-svg v0.3.6
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling serde_closure v0.3.3
[INFO] [stderr]    Compiling amadeus-streaming v0.4.3
[INFO] [stderr]    Compiling syn v2.0.65
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking libflate_lz77 v2.1.0
[INFO] [stderr]     Checking seahash v3.0.7
[INFO] [stderr]     Checking plotters v0.3.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking libflate v2.1.0
[INFO] [stderr]     Checking fd-lock v3.0.13
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking directories v5.0.1
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking proptest v1.5.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking slog-term v2.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rustyline v7.1.0
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling serde_closure_derive v0.3.3
[INFO] [stderr]    Compiling rustyline-derive v0.4.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking trackable v1.3.0
[INFO] [stderr]     Checking rustyline v9.1.2
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking slog-kvfilter v0.7.0
[INFO] [stderr]     Checking promptly v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking sloggers v2.2.0
[INFO] [stderr]     Checking rmp-serde v0.15.5
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking growable-bloom-filter v2.1.1
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking x9 v0.1.0 (https://github.com/obaraelijah/x9#a6bd1dc6)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking redis-proto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::make_reader`
[INFO] [stdout]  --> src/bloom.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::make_reader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::op_variants`
[INFO] [stdout]  --> src/hashes.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::op_variants;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `make_reader` and `op_variants`
[INFO] [stdout]  --> src/hyperloglog.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{make_reader, op_variants};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::op_variants`
[INFO] [stdout]  --> src/keys.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::op_variants;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `make_reader`, `make_writer`, and `op_variants`
[INFO] [stdout]  --> src/lists.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{make_reader, make_writer, op_variants};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::op_variants`
[INFO] [stdout]  --> src/sets.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::op_variants;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `make_reader`, `make_writer`, and `op_variants`
[INFO] [stdout]  --> src/sorted_sets.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{make_reader, make_writer, op_variants};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `make_reader` and `op_variants`
[INFO] [stdout]  --> src/stack.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{make_reader, op_variants};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::make_reader`
[INFO] [stdout]  --> src/bloom.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::make_reader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::op_variants`
[INFO] [stdout]  --> src/hashes.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::op_variants;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `make_reader` and `op_variants`
[INFO] [stdout]  --> src/hyperloglog.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{make_reader, op_variants};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::op_variants`
[INFO] [stdout]  --> src/keys.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::op_variants;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `make_reader`, `make_writer`, and `op_variants`
[INFO] [stdout]  --> src/lists.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{make_reader, make_writer, op_variants};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::op_variants`
[INFO] [stdout]  --> src/sets.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::op_variants;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `make_reader`, `make_writer`, and `op_variants`
[INFO] [stdout]  --> src/sorted_sets.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{make_reader, make_writer, op_variants};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `make_reader` and `op_variants`
[INFO] [stdout]  --> src/stack.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{make_reader, op_variants};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.39s
[INFO] running `Command { std: "docker" "inspect" "c2bb28af31d6c9f98f9d8ba6ef9a376dc3d57fcf017574d9213c0bb0959cb044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2bb28af31d6c9f98f9d8ba6ef9a376dc3d57fcf017574d9213c0bb0959cb044", kill_on_drop: false }`
[INFO] [stdout] c2bb28af31d6c9f98f9d8ba6ef9a376dc3d57fcf017574d9213c0bb0959cb044
