[INFO] fetching crate fred 4.2.0...
[INFO] checking fred-4.2.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate fred 4.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fred 4.2.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fred 4.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fred 4.2.0
[INFO] tweaked toml for crates.io crate fred 4.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate fred 4.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 097e55db84f921257d92fdedd9fe59f2692a40cb8f1dfa7bfeb47ea4acb282cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "097e55db84f921257d92fdedd9fe59f2692a40cb8f1dfa7bfeb47ea4acb282cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "097e55db84f921257d92fdedd9fe59f2692a40cb8f1dfa7bfeb47ea4acb282cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "097e55db84f921257d92fdedd9fe59f2692a40cb8f1dfa7bfeb47ea4acb282cf", kill_on_drop: false }`
[INFO] [stdout] 097e55db84f921257d92fdedd9fe59f2692a40cb8f1dfa7bfeb47ea4acb282cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a89984cfcbae1b4716fc19bf7b12eebd680e1ddf1020e5f8c595a600fc478a6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5a89984cfcbae1b4716fc19bf7b12eebd680e1ddf1020e5f8c595a600fc478a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling crc16 v0.3.4
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling protobuf v2.24.1
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.18
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking sha-1 v0.9.7
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking subprocess v0.2.7
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking redis-protocol v3.0.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking futures-util v0.3.15
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking tokio-stream v0.1.6
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking fred v4.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `futures::stream::StreamExt`
[INFO] [stdout]  --> examples/globals.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::stream::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::stream::StreamExt`
[INFO] [stdout]  --> examples/tls.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::stream::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryStreamExt`
[INFO] [stdout]  --> examples/scan.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::stream::{StreamExt, TryStreamExt};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> examples/scan.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `policy` in this scope
[INFO] [stdout]   --> examples/sentinel.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 |   let _ = client.connect(Some(policy));
[INFO] [stdout]    |                               ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::stream::StreamExt`
[INFO] [stdout]  --> examples/dynamic_pool.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::stream::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `jh`
[INFO] [stdout]   --> examples/lua.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 |   let jh = client.connect(None);
[INFO] [stdout]    |       ^^ help: if this is intentional, prefix it with an underscore: `_jh`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::stream::StreamExt`
[INFO] [stdout]  --> examples/prometheus.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::stream::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fred` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5a89984cfcbae1b4716fc19bf7b12eebd680e1ddf1020e5f8c595a600fc478a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a89984cfcbae1b4716fc19bf7b12eebd680e1ddf1020e5f8c595a600fc478a6", kill_on_drop: false }`
[INFO] [stdout] 5a89984cfcbae1b4716fc19bf7b12eebd680e1ddf1020e5f8c595a600fc478a6
