[INFO] cloning repository https://github.com/PaulGrandperrin/redis-reindex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PaulGrandperrin/redis-reindex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulGrandperrin%2Fredis-reindex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulGrandperrin%2Fredis-reindex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 348739275c0d6ea62ed92f843b15285c14525a16
[INFO] checking PaulGrandperrin/redis-reindex against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulGrandperrin%2Fredis-reindex" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/PaulGrandperrin/redis-reindex
[INFO] finished tweaking git repo https://github.com/PaulGrandperrin/redis-reindex
[INFO] tweaked toml for git repo https://github.com/PaulGrandperrin/redis-reindex written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PaulGrandperrin/redis-reindex on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/PaulGrandperrin/redis-reindex 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-lite v0.1.2
[INFO] [stderr]   Downloaded futures-sink v0.3.1
[INFO] [stderr]   Downloaded tokio-util v0.2.0
[INFO] [stderr]   Downloaded memchr v2.3.0
[INFO] [stderr]   Downloaded bytes v0.5.3
[INFO] [stderr]   Downloaded futures-executor v0.3.1
[INFO] [stderr]   Downloaded futures-task v0.3.1
[INFO] [stderr]   Downloaded pin-utils v0.1.0-alpha.4
[INFO] [stderr]   Downloaded futures-core v0.3.1
[INFO] [stderr]   Downloaded redis v0.14.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.0
[INFO] [stderr]   Downloaded futures-util v0.3.1
[INFO] [stderr]   Downloaded url v2.1.1
[INFO] [stderr]   Downloaded tokio v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ee9f4fc753246cffe8bb94257f2aa45a584ecccfe07d89f2bea2a4a66f10e19
[INFO] running `Command { std: "docker" "start" "-a" "0ee9f4fc753246cffe8bb94257f2aa45a584ecccfe07d89f2bea2a4a66f10e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ee9f4fc753246cffe8bb94257f2aa45a584ecccfe07d89f2bea2a4a66f10e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee9f4fc753246cffe8bb94257f2aa45a584ecccfe07d89f2bea2a4a66f10e19", kill_on_drop: false }`
[INFO] [stdout] 0ee9f4fc753246cffe8bb94257f2aa45a584ecccfe07d89f2bea2a4a66f10e19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a865a8c6cda30ae34c43a285ee7a03c9dbba447073ac7e0ded19d2153262636f
[INFO] running `Command { std: "docker" "start" "-a" "a865a8c6cda30ae34c43a285ee7a03c9dbba447073ac7e0ded19d2153262636f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking pin-project-lite v0.1.2
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
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[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking tokio v0.2.9
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking redis v0.14.0
[INFO] [stderr]     Checking redis-reindex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `slice_patterns` has been stable since `1.42.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `read`
[INFO] [stdout]  --> src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{File, read};
[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: `std::io::BufReader`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `redis::ToRedisArgs`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use redis::ToRedisArgs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::iter::ParallelBridge`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rayon::iter::ParallelBridge;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude::ParallelIterator`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rayon::prelude::ParallelIterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use itertools::Itertools;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `slice_patterns` has been stable since `1.42.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `read`
[INFO] [stdout]  --> src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{File, read};
[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: `std::io::BufReader`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `redis::ToRedisArgs`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use redis::ToRedisArgs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::iter::ParallelBridge`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rayon::iter::ParallelBridge;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude::ParallelIterator`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rayon::prelude::ParallelIterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use itertools::Itertools;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let len = bulk.len();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `redis-reindex` (bin "redis-reindex" test) due to 1 previous error; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let len = bulk.len();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `redis-reindex` (bin "redis-reindex") due to 1 previous error; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a865a8c6cda30ae34c43a285ee7a03c9dbba447073ac7e0ded19d2153262636f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a865a8c6cda30ae34c43a285ee7a03c9dbba447073ac7e0ded19d2153262636f", kill_on_drop: false }`
[INFO] [stdout] a865a8c6cda30ae34c43a285ee7a03c9dbba447073ac7e0ded19d2153262636f
