[INFO] cloning repository https://github.com/SirWindfield/serde-diff-error
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SirWindfield/serde-diff-error" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirWindfield%2Fserde-diff-error", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirWindfield%2Fserde-diff-error'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c48fbd1ef3819d6260ea3a7912116b2520f4a43b
[INFO] checking SirWindfield/serde-diff-error against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirWindfield%2Fserde-diff-error" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SirWindfield/serde-diff-error on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SirWindfield/serde-diff-error
[INFO] finished tweaking git repo https://github.com/SirWindfield/serde-diff-error
[INFO] tweaked toml for git repo https://github.com/SirWindfield/serde-diff-error written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/SirWindfield/serde-diff-error already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-diff v0.3.1
[INFO] [stderr]   Downloaded serde-diff-derive v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 173e769dbbdf386b3d26b03d368b20fae1e4a24ffd6cf7f65516b63d8ba5c3a7
[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" "173e769dbbdf386b3d26b03d368b20fae1e4a24ffd6cf7f65516b63d8ba5c3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "173e769dbbdf386b3d26b03d368b20fae1e4a24ffd6cf7f65516b63d8ba5c3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "173e769dbbdf386b3d26b03d368b20fae1e4a24ffd6cf7f65516b63d8ba5c3a7", kill_on_drop: false }`
[INFO] [stdout] 173e769dbbdf386b3d26b03d368b20fae1e4a24ffd6cf7f65516b63d8ba5c3a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d39394b030d1248c974c84c17b5619b6fe610e7ae8d7de36bb83f2c5a1bd946
[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" "5d39394b030d1248c974c84c17b5619b6fe610e7ae8d7de36bb83f2c5a1bd946", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling serde-diff-derive v0.3.1
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde-diff v0.3.1
[INFO] [stderr]     Checking pack-merger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `l2`
[INFO] [stdout]   --> src/main.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let l2: LootTable = serde_json::from_str(mod_entry).unwrap();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_l2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l2`
[INFO] [stdout]   --> src/main.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let l2: LootTable = serde_json::from_str(mod_entry).unwrap();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_l2`
[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 54.47s
[INFO] running `Command { std: "docker" "inspect" "5d39394b030d1248c974c84c17b5619b6fe610e7ae8d7de36bb83f2c5a1bd946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d39394b030d1248c974c84c17b5619b6fe610e7ae8d7de36bb83f2c5a1bd946", kill_on_drop: false }`
[INFO] [stdout] 5d39394b030d1248c974c84c17b5619b6fe610e7ae8d7de36bb83f2c5a1bd946