[INFO] fetching crate serde_roundtrip_derive 0.1.2...
[INFO] checking serde_roundtrip_derive-0.1.2 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate serde_roundtrip_derive 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate serde_roundtrip_derive 0.1.2 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_roundtrip_derive 0.1.2
[INFO] finished tweaking crates.io crate serde_roundtrip_derive 0.1.2
[INFO] tweaked toml for crates.io crate serde_roundtrip_derive 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc22a1b6ddad7e95b6a35397f12502e4daea52d48db88fa9a3d33bc85df10b42
[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" "bc22a1b6ddad7e95b6a35397f12502e4daea52d48db88fa9a3d33bc85df10b42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc22a1b6ddad7e95b6a35397f12502e4daea52d48db88fa9a3d33bc85df10b42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc22a1b6ddad7e95b6a35397f12502e4daea52d48db88fa9a3d33bc85df10b42", kill_on_drop: false }`
[INFO] [stdout] bc22a1b6ddad7e95b6a35397f12502e4daea52d48db88fa9a3d33bc85df10b42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14322305a0533f04996d219cc0fe9d3db41b23928d6156eed032ba2452938dce
[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" "14322305a0533f04996d219cc0fe9d3db41b23928d6156eed032ba2452938dce", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking serde_roundtrip_derive v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> lib.rs:188:54
[INFO] [stdout]     |
[INFO] [stdout] 188 | ...                   .collect::<Vec<_>>();;
[INFO] [stdout]     |                                            ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> lib.rs:188:54
[INFO] [stdout]     |
[INFO] [stdout] 188 | ...                   .collect::<Vec<_>>();;
[INFO] [stdout]     |                                            ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` 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 2.87s
[INFO] running `Command { std: "docker" "inspect" "14322305a0533f04996d219cc0fe9d3db41b23928d6156eed032ba2452938dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14322305a0533f04996d219cc0fe9d3db41b23928d6156eed032ba2452938dce", kill_on_drop: false }`
[INFO] [stdout] 14322305a0533f04996d219cc0fe9d3db41b23928d6156eed032ba2452938dce