[INFO] fetching crate abi_stable_derive 0.10.2...
[INFO] checking abi_stable_derive-0.10.2 against 1.55.0 for beta-1.56-3
[INFO] extracting crate abi_stable_derive 0.10.2 into /workspace/builds/worker-85/source
[INFO] validating manifest of crates.io crate abi_stable_derive 0.10.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate abi_stable_derive 0.10.2
[INFO] finished tweaking crates.io crate abi_stable_derive 0.10.2
[INFO] tweaked toml for crates.io crate abi_stable_derive 0.10.2 written to /workspace/builds/worker-85/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d696a484e6144d14781f3230bac12718a602164213a95325c012c2c45a0b876b
[INFO] running `Command { std: "docker" "start" "-a" "d696a484e6144d14781f3230bac12718a602164213a95325c012c2c45a0b876b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d696a484e6144d14781f3230bac12718a602164213a95325c012c2c45a0b876b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d696a484e6144d14781f3230bac12718a602164213a95325c012c2c45a0b876b", kill_on_drop: false }`
[INFO] [stdout] d696a484e6144d14781f3230bac12718a602164213a95325c012c2c45a0b876b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7327298268aa8d7c1f10193294001fc8509c3d0044c89800b6505f14ca210d15
[INFO] running `Command { std: "docker" "start" "-a" "7327298268aa8d7c1f10193294001fc8509c3d0044c89800b6505f14ca210d15", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking core_extensions v1.5.2
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking proc-macro2 v1.0.30
[INFO] [stderr]     Checking abi_stable_shared v0.10.2
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking syn v1.0.80
[INFO] [stderr]     Checking ron v0.6.5
[INFO] [stderr]     Checking as_derive_utils v0.10.2
[INFO] [stderr]     Checking abi_stable_derive v0.10.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sabi_trait/lifetime_unelider.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         mut ty: Type,
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sabi_trait/lifetime_unelider.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let mut this = LifetimeUnelider::new(&mut self_lifetime);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.79s
[INFO] running `Command { std: "docker" "inspect" "7327298268aa8d7c1f10193294001fc8509c3d0044c89800b6505f14ca210d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7327298268aa8d7c1f10193294001fc8509c3d0044c89800b6505f14ca210d15", kill_on_drop: false }`
[INFO] [stdout] 7327298268aa8d7c1f10193294001fc8509c3d0044c89800b6505f14ca210d15
