[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#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobaraelijah%2Fredis-proto" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/obaraelijah/redis-proto on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc29388f021060f39685a2396ae358089589d221b4e100566f846abba27def9d
[INFO] running `Command { std: "docker" "start" "-a" "fc29388f021060f39685a2396ae358089589d221b4e100566f846abba27def9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc29388f021060f39685a2396ae358089589d221b4e100566f846abba27def9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc29388f021060f39685a2396ae358089589d221b4e100566f846abba27def9d", kill_on_drop: false }`
[INFO] [stdout] fc29388f021060f39685a2396ae358089589d221b4e100566f846abba27def9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0ce01767b97b51081ea14b0c41dabe2e3cf970d812798a310d60277efc1c592
[INFO] running `Command { std: "docker" "start" "-a" "b0ce01767b97b51081ea14b0c41dabe2e3cf970d812798a310d60277efc1c592", kill_on_drop: false }`
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[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] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/startup.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     #[structopt(short = "f", long = "scripts-dir")]
[INFO] [stdout] 27 | |     pub scripts_dir: Option<std::path::PathBuf>,
[INFO] [stdout]    | |_______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `redis-proto` (lib) due to 1 previous error; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/startup.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     #[structopt(short = "f", long = "scripts-dir")]
[INFO] [stdout] 27 | |     pub scripts_dir: Option<std::path::PathBuf>,
[INFO] [stdout]    | |_______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `redis-proto` (lib test) due to 1 previous error; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b0ce01767b97b51081ea14b0c41dabe2e3cf970d812798a310d60277efc1c592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ce01767b97b51081ea14b0c41dabe2e3cf970d812798a310d60277efc1c592", kill_on_drop: false }`
[INFO] [stdout] b0ce01767b97b51081ea14b0c41dabe2e3cf970d812798a310d60277efc1c592
