[INFO] fetching crate wallpaper 2.0.1...
[INFO] checking wallpaper-2.0.1 against beta for pr-78714
[INFO] extracting crate wallpaper 2.0.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate wallpaper 2.0.1 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 wallpaper 2.0.1
[INFO] finished tweaking crates.io crate wallpaper 2.0.1
[INFO] tweaked toml for crates.io crate wallpaper 2.0.1 written to /workspace/builds/worker-10/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] d7455a556d01f7fa52176d1d483f52781ac28b0e05cab1ac4d5b4cf5b21b9e64
[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" "d7455a556d01f7fa52176d1d483f52781ac28b0e05cab1ac4d5b4cf5b21b9e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7455a556d01f7fa52176d1d483f52781ac28b0e05cab1ac4d5b4cf5b21b9e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7455a556d01f7fa52176d1d483f52781ac28b0e05cab1ac4d5b4cf5b21b9e64", kill_on_drop: false }`
[INFO] [stdout] d7455a556d01f7fa52176d1d483f52781ac28b0e05cab1ac4d5b4cf5b21b9e64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] e2b32b86e5da27dca6b139a09ed036dd19c18b67227bbe1f7ced2d2e3f89d65e
[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" "e2b32b86e5da27dca6b139a09ed036dd19c18b67227bbe1f7ced2d2e3f89d65e", 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] [stderr]     Checking enquote v1.0.3
[INFO] [stderr]     Checking rust-ini v0.12.2
[INFO] [stderr]     Checking wallpaper v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:83:45
[INFO] [stdout]    |
[INFO] [stdout] 83 | type Result<T> = std::result::Result<T, Box<Error>>;
[INFO] [stdout]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:83:45
[INFO] [stdout]    |
[INFO] [stdout] 83 | type Result<T> = std::result::Result<T, Box<Error>>;
[INFO] [stdout]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "e2b32b86e5da27dca6b139a09ed036dd19c18b67227bbe1f7ced2d2e3f89d65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b32b86e5da27dca6b139a09ed036dd19c18b67227bbe1f7ced2d2e3f89d65e", kill_on_drop: false }`
[INFO] [stdout] e2b32b86e5da27dca6b139a09ed036dd19c18b67227bbe1f7ced2d2e3f89d65e