[INFO] fetching crate raw_serde_derive 0.1.2...
[INFO] checking raw_serde_derive-0.1.2 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate raw_serde_derive 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate raw_serde_derive 0.1.2 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate raw_serde_derive 0.1.2
[INFO] finished tweaking crates.io crate raw_serde_derive 0.1.2
[INFO] tweaked toml for crates.io crate raw_serde_derive 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec2a6d4dcf9e346174ed379e87c69aa2cc1d845b26dd3bb55ee809696b0dbff0
[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" "ec2a6d4dcf9e346174ed379e87c69aa2cc1d845b26dd3bb55ee809696b0dbff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec2a6d4dcf9e346174ed379e87c69aa2cc1d845b26dd3bb55ee809696b0dbff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2a6d4dcf9e346174ed379e87c69aa2cc1d845b26dd3bb55ee809696b0dbff0", kill_on_drop: false }`
[INFO] [stdout] ec2a6d4dcf9e346174ed379e87c69aa2cc1d845b26dd3bb55ee809696b0dbff0
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a1d85aa9883ce92a3e71fb0b7f48e4aafd4dc8bcdfc25c4a7b1271b3f82738d
[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" "1a1d85aa9883ce92a3e71fb0b7f48e4aafd4dc8bcdfc25c4a7b1271b3f82738d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking syn v0.10.8
[INFO] [stderr]     Checking raw_serde_derive v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dclone_4`
[INFO] [stdout]    --> src/lib.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let dclone_4 = data_fields.clone();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dclone_4`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dclone_4`
[INFO] [stdout]    --> src/lib.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let dclone_4 = data_fields.clone();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dclone_4`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` 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 1.93s
[INFO] running `Command { std: "docker" "inspect" "1a1d85aa9883ce92a3e71fb0b7f48e4aafd4dc8bcdfc25c4a7b1271b3f82738d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1d85aa9883ce92a3e71fb0b7f48e4aafd4dc8bcdfc25c4a7b1271b3f82738d", kill_on_drop: false }`
[INFO] [stdout] 1a1d85aa9883ce92a3e71fb0b7f48e4aafd4dc8bcdfc25c4a7b1271b3f82738d