[INFO] fetching crate nanoserde 0.1.25...
[INFO] checking nanoserde-0.1.25 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate nanoserde 0.1.25 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nanoserde 0.1.25 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nanoserde 0.1.25
[INFO] finished tweaking crates.io crate nanoserde 0.1.25
[INFO] tweaked toml for crates.io crate nanoserde 0.1.25 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nanoserde-derive v0.1.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21306e3f85b859a1a5cb681e0ccca2431a8639efcfc250a012f8c0336eb5dcca
[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" "21306e3f85b859a1a5cb681e0ccca2431a8639efcfc250a012f8c0336eb5dcca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21306e3f85b859a1a5cb681e0ccca2431a8639efcfc250a012f8c0336eb5dcca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21306e3f85b859a1a5cb681e0ccca2431a8639efcfc250a012f8c0336eb5dcca", kill_on_drop: false }`
[INFO] [stdout] 21306e3f85b859a1a5cb681e0ccca2431a8639efcfc250a012f8c0336eb5dcca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e53ec8146b5721c3c4b31964a03dab5825943b458e31983c330cd1d6a8690d9
[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" "9e53ec8146b5721c3c4b31964a03dab5825943b458e31983c330cd1d6a8690d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling nanoserde-derive v0.1.16
[INFO] [stderr]     Checking nanoserde v0.1.25 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/ron.rs:265:6
[INFO] [stdout]     |
[INFO] [stdout] 265 |     };
[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]    --> tests/json.rs:317:6
[INFO] [stdout]     |
[INFO] [stdout] 317 |     };
[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]    --> tests/json.rs:542:6
[INFO] [stdout]     |
[INFO] [stdout] 542 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/json.rs:563:6
[INFO] [stdout]     |
[INFO] [stdout] 563 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `Command { std: "docker" "inspect" "9e53ec8146b5721c3c4b31964a03dab5825943b458e31983c330cd1d6a8690d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e53ec8146b5721c3c4b31964a03dab5825943b458e31983c330cd1d6a8690d9", kill_on_drop: false }`
[INFO] [stdout] 9e53ec8146b5721c3c4b31964a03dab5825943b458e31983c330cd1d6a8690d9