[INFO] fetching crate liblife 0.2.0...
[INFO] checking liblife-0.2.0 against beta for pr-78714
[INFO] extracting crate liblife 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate liblife 0.2.0 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 liblife 0.2.0
[INFO] finished tweaking crates.io crate liblife 0.2.0
[INFO] tweaked toml for crates.io crate liblife 0.2.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c0414f5930298394adf495a50a5c2f0ffc1ca7b41650e90c682ea99a8f3f5ea1
[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" "c0414f5930298394adf495a50a5c2f0ffc1ca7b41650e90c682ea99a8f3f5ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0414f5930298394adf495a50a5c2f0ffc1ca7b41650e90c682ea99a8f3f5ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0414f5930298394adf495a50a5c2f0ffc1ca7b41650e90c682ea99a8f3f5ea1", kill_on_drop: false }`
[INFO] [stdout] c0414f5930298394adf495a50a5c2f0ffc1ca7b41650e90c682ea99a8f3f5ea1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 22c75a82ea032ec6b06701920120f5fe23f5d032e58109b498d50959babac6a7
[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" "22c75a82ea032ec6b06701920120f5fe23f5d032e58109b498d50959babac6a7", 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]    Compiling libc v0.2.80
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking liblife v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ruleset.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type RulesetFn<T> = Fn(u64, u64, &Generation<T>) -> bool;
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64, u64, &Generation<T>) -> bool`
[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/ruleset.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type RulesetFn<T> = Fn(u64, u64, &Generation<T>) -> bool;
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64, u64, &Generation<T>) -> bool`
[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 3.13s
[INFO] running `Command { std: "docker" "inspect" "22c75a82ea032ec6b06701920120f5fe23f5d032e58109b498d50959babac6a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22c75a82ea032ec6b06701920120f5fe23f5d032e58109b498d50959babac6a7", kill_on_drop: false }`
[INFO] [stdout] 22c75a82ea032ec6b06701920120f5fe23f5d032e58109b498d50959babac6a7