[INFO] fetching crate nyoom-json 0.3.0...
[INFO] checking nyoom-json-0.3.0 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate nyoom-json 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate nyoom-json 0.3.0 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nyoom-json 0.3.0
[INFO] finished tweaking crates.io crate nyoom-json 0.3.0
[INFO] tweaked toml for crates.io crate nyoom-json 0.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 82 packages to latest compatible versions
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding clap v3.2.25 (latest: v4.5.16)
[INFO] [stderr]       Adding clap_lex v0.2.4 (latest: v0.7.2)
[INFO] [stderr]       Adding criterion v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.4.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.5.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.13.0)
[INFO] [stderr]       Adding os_str_bytes v6.6.1 (latest: v7.0.0)
[INFO] [stderr]       Adding strum v0.24.1 (latest: v0.26.3)
[INFO] [stderr]       Adding strum_macros v0.24.3 (latest: v0.26.4)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3af370c4e30e93c1d3a1d4545ec3bdbe538dfaafe5ea10443fafbcd467e100b7
[INFO] running `Command { std: "docker" "start" "-a" "3af370c4e30e93c1d3a1d4545ec3bdbe538dfaafe5ea10443fafbcd467e100b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3af370c4e30e93c1d3a1d4545ec3bdbe538dfaafe5ea10443fafbcd467e100b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af370c4e30e93c1d3a1d4545ec3bdbe538dfaafe5ea10443fafbcd467e100b7", kill_on_drop: false }`
[INFO] [stdout] 3af370c4e30e93c1d3a1d4545ec3bdbe538dfaafe5ea10443fafbcd467e100b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0275ae5ad397daad5cb7684b8c2ce55dc9bdf7fbc9393a2e8559ba094640146c
[INFO] running `Command { std: "docker" "start" "-a" "0275ae5ad397daad5cb7684b8c2ce55dc9bdf7fbc9393a2e8559ba094640146c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling sealed v0.5.0
[INFO] [stderr]     Checking nyoom-json v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> benches/serialize.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |             serde_json::to_writer(&mut out, &anime);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 167 |             let _ = serde_json::to_writer(&mut out, &anime);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.13s
[INFO] running `Command { std: "docker" "inspect" "0275ae5ad397daad5cb7684b8c2ce55dc9bdf7fbc9393a2e8559ba094640146c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0275ae5ad397daad5cb7684b8c2ce55dc9bdf7fbc9393a2e8559ba094640146c", kill_on_drop: false }`
[INFO] [stdout] 0275ae5ad397daad5cb7684b8c2ce55dc9bdf7fbc9393a2e8559ba094640146c