[INFO] fetching crate wascc-redis 0.9.0...
[INFO] checking wascc-redis-0.9.0 against beta for pr-78714
[INFO] extracting crate wascc-redis 0.9.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate wascc-redis 0.9.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wascc-redis 0.9.0
[INFO] finished tweaking crates.io crate wascc-redis 0.9.0
[INFO] tweaked toml for crates.io crate wascc-redis 0.9.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddcac54b03ddb24ac0815a87cd22b99a45dcc02b1967cbd4325850072f67c476
[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" "ddcac54b03ddb24ac0815a87cd22b99a45dcc02b1967cbd4325850072f67c476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddcac54b03ddb24ac0815a87cd22b99a45dcc02b1967cbd4325850072f67c476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddcac54b03ddb24ac0815a87cd22b99a45dcc02b1967cbd4325850072f67c476", kill_on_drop: false }`
[INFO] [stdout] ddcac54b03ddb24ac0815a87cd22b99a45dcc02b1967cbd4325850072f67c476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61a9efbbe417d71b282d2df6cc9fadd323011825c4076bbb1520824bce25be63
[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" "61a9efbbe417d71b282d2df6cc9fadd323011825c4076bbb1520824bce25be63", kill_on_drop: false }`
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking async-std v1.7.0
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking wascc-codec v0.9.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking combine v4.3.2
[INFO] [stderr]     Checking redis v0.17.0
[INFO] [stderr]     Checking wascc-redis v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]  --> src/generated/core.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use lazy_static::lazy_static;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::RwLock`
[INFO] [stdout]  --> src/generated/core.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::RwLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]  --> src/generated/core.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use lazy_static::lazy_static;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::RwLock`
[INFO] [stdout]  --> src/generated/core.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::RwLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serialize`
[INFO] [stdout]   --> src/generated/core.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn serialize<T>(item: T) -> ::std::result::Result<Vec<u8>, Box<dyn std::error::Error + Send + Sync>>
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize`
[INFO] [stdout]   --> src/generated/core.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn deserialize<'de, T: Deserialize<'de>>(
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serialize`
[INFO] [stdout]    --> src/generated/keyvalue.rs:614:4
[INFO] [stdout]     |
[INFO] [stdout] 614 | fn serialize<T>(item: T) -> ::std::result::Result<Vec<u8>, Box<dyn std::error::Error + Send + Sync>>
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize`
[INFO] [stdout]    --> src/generated/keyvalue.rs:626:4
[INFO] [stdout]     |
[INFO] [stdout] 626 | fn deserialize<'de, T: Deserialize<'de>>(
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serialize`
[INFO] [stdout]   --> src/generated/core.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn serialize<T>(item: T) -> ::std::result::Result<Vec<u8>, Box<dyn std::error::Error + Send + Sync>>
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize`
[INFO] [stdout]   --> src/generated/core.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn deserialize<'de, T: Deserialize<'de>>(
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serialize`
[INFO] [stdout]    --> src/generated/keyvalue.rs:614:4
[INFO] [stdout]     |
[INFO] [stdout] 614 | fn serialize<T>(item: T) -> ::std::result::Result<Vec<u8>, Box<dyn std::error::Error + Send + Sync>>
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize`
[INFO] [stdout]    --> src/generated/keyvalue.rs:626:4
[INFO] [stdout]     |
[INFO] [stdout] 626 | fn deserialize<'de, T: Deserialize<'de>>(
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.85s
[INFO] running `Command { std: "docker" "inspect" "61a9efbbe417d71b282d2df6cc9fadd323011825c4076bbb1520824bce25be63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a9efbbe417d71b282d2df6cc9fadd323011825c4076bbb1520824bce25be63", kill_on_drop: false }`
[INFO] [stdout] 61a9efbbe417d71b282d2df6cc9fadd323011825c4076bbb1520824bce25be63