[INFO] fetching crate error-chain 0.12.4...
[INFO] checking error-chain-0.12.4 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate error-chain 0.12.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate error-chain 0.12.4 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate error-chain 0.12.4
[INFO] finished tweaking crates.io crate error-chain 0.12.4
[INFO] tweaked toml for crates.io crate error-chain 0.12.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate error-chain 0.12.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2ede21b23178a0ee9f3f8aee0d00e24e58c523b17c909e0a64e117db8c179db
[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" "b2ede21b23178a0ee9f3f8aee0d00e24e58c523b17c909e0a64e117db8c179db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2ede21b23178a0ee9f3f8aee0d00e24e58c523b17c909e0a64e117db8c179db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ede21b23178a0ee9f3f8aee0d00e24e58c523b17c909e0a64e117db8c179db", kill_on_drop: false }`
[INFO] [stdout] b2ede21b23178a0ee9f3f8aee0d00e24e58c523b17c909e0a64e117db8c179db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08c38bd8f7e3ca9f9048835ce4314c4582d50cafb3d245ec97c9c39d35a7104b
[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" "08c38bd8f7e3ca9f9048835ce4314c4582d50cafb3d245ec97c9c39d35a7104b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling error-chain v0.12.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stdout] warning: `#![doc(test(...)]` is only allowed as a crate-level attribute
[INFO] [stdout]    --> tests/tests.rs:508:7
[INFO] [stdout]     |
[INFO] [stdout] 508 | #[doc(test)]
[INFO] [stdout]     |       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `Command { std: "docker" "inspect" "08c38bd8f7e3ca9f9048835ce4314c4582d50cafb3d245ec97c9c39d35a7104b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c38bd8f7e3ca9f9048835ce4314c4582d50cafb3d245ec97c9c39d35a7104b", kill_on_drop: false }`
[INFO] [stdout] 08c38bd8f7e3ca9f9048835ce4314c4582d50cafb3d245ec97c9c39d35a7104b