[INFO] fetching crate lru-cache-macros 0.3.1...
[INFO] checking lru-cache-macros-0.3.1 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate lru-cache-macros 0.3.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate lru-cache-macros 0.3.1 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lru-cache-macros 0.3.1
[INFO] finished tweaking crates.io crate lru-cache-macros 0.3.1
[INFO] tweaked toml for crates.io crate lru-cache-macros 0.3.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf427f07f9009f2a61de0e74b9b1e6ee90d820ce571af9dacb6f9570b0aa3dfb
[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" "bf427f07f9009f2a61de0e74b9b1e6ee90d820ce571af9dacb6f9570b0aa3dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf427f07f9009f2a61de0e74b9b1e6ee90d820ce571af9dacb6f9570b0aa3dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf427f07f9009f2a61de0e74b9b1e6ee90d820ce571af9dacb6f9570b0aa3dfb", kill_on_drop: false }`
[INFO] [stdout] bf427f07f9009f2a61de0e74b9b1e6ee90d820ce571af9dacb6f9570b0aa3dfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02a04453f2fe9b12b5b6d07c1aa48957b39f52fae587c6ea89f661b806783fcf
[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" "02a04453f2fe9b12b5b6d07c1aa48957b39f52fae587c6ea89f661b806783fcf", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking lru-cache-macros v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `extern_crate_item_prelude` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 | #![feature(extern_crate_item_prelude)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extern_crate_item_prelude` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 | #![feature(extern_crate_item_prelude)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` 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] [stdout] warning: the feature `extern_crate_item_prelude` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 | #![feature(extern_crate_item_prelude)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.59s
[INFO] running `Command { std: "docker" "inspect" "02a04453f2fe9b12b5b6d07c1aa48957b39f52fae587c6ea89f661b806783fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a04453f2fe9b12b5b6d07c1aa48957b39f52fae587c6ea89f661b806783fcf", kill_on_drop: false }`
[INFO] [stdout] 02a04453f2fe9b12b5b6d07c1aa48957b39f52fae587c6ea89f661b806783fcf