[INFO] cloning repository https://github.com/0x3Zero/hot-potato-meta-contract
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0x3Zero/hot-potato-meta-contract" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x3Zero%2Fhot-potato-meta-contract", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x3Zero%2Fhot-potato-meta-contract'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ecf661f0f433c48846ba4edb3923a78659a5525f
[INFO] checking 0x3Zero/hot-potato-meta-contract against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x3Zero%2Fhot-potato-meta-contract" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0x3Zero/hot-potato-meta-contract
[INFO] finished tweaking git repo https://github.com/0x3Zero/hot-potato-meta-contract
[INFO] tweaked toml for git repo https://github.com/0x3Zero/hot-potato-meta-contract written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0x3Zero/hot-potato-meta-contract on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0x3Zero/hot-potato-meta-contract already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded marine-macro-impl v0.7.1
[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.6.4
[INFO] [stderr]   Downloaded marine-rs-sdk-main v0.7.1
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[INFO] [stderr]   Downloaded marine-macro v0.7.1
[INFO] [stderr]   Downloaded parity-scale-codec v3.6.4
[INFO] [stderr]   Downloaded marine-timestamp-macro v0.7.1
[INFO] [stderr]   Downloaded marine-macro v0.8.1
[INFO] [stderr]   Downloaded polyplets v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8eca9546157bfa0e7f981a92d35314d570476f3938839db75d34ab4fb9f92019
[INFO] running `Command { std: "docker" "start" "-a" "8eca9546157bfa0e7f981a92d35314d570476f3938839db75d34ab4fb9f92019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eca9546157bfa0e7f981a92d35314d570476f3938839db75d34ab4fb9f92019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eca9546157bfa0e7f981a92d35314d570476f3938839db75d34ab4fb9f92019", kill_on_drop: false }`
[INFO] [stdout] 8eca9546157bfa0e7f981a92d35314d570476f3938839db75d34ab4fb9f92019
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 013f513393d63c0117e12b79071168d264c7a19ee5ad70c5cf27b5429cb036d3
[INFO] running `Command { std: "docker" "start" "-a" "013f513393d63c0117e12b79071168d264c7a19ee5ad70c5cf27b5429cb036d3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking rlp v0.5.2
[INFO] [stderr]     Checking tiny-keccak v2.0.2
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[INFO] [stderr]     Checking meta-contract v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `types::SerdeMetadata`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use types::SerdeMetadata;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types::SerdeMetadata`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use types::SerdeMetadata;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut hash_map: HashMap<String, String> = HashMap::new();
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_map`
[INFO] [stdout]    --> src/main.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut hash_map: HashMap<String, String> = HashMap::new();
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_map`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `owner`, `cid`, and `version` are never read
[INFO] [stdout]  --> src/data.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct DataStructFork {
[INFO] [stdout]   |            -------------- fields in this struct
[INFO] [stdout] 5 |     pub owner: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 6 |     pub cid: String,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 7 |     pub version: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DataStructFork` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SerdeMetadata` is never constructed
[INFO] [stdout]   --> src/types.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct SerdeMetadata {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut hash_map: HashMap<String, String> = HashMap::new();
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_map`
[INFO] [stdout]    --> src/main.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut hash_map: HashMap<String, String> = HashMap::new();
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_map`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `owner`, `cid`, and `version` are never read
[INFO] [stdout]  --> src/data.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct DataStructFork {
[INFO] [stdout]   |            -------------- fields in this struct
[INFO] [stdout] 5 |     pub owner: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 6 |     pub cid: String,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 7 |     pub version: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DataStructFork` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SerdeMetadata` is never constructed
[INFO] [stdout]   --> src/types.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct SerdeMetadata {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.22s
[INFO] running `Command { std: "docker" "inspect" "013f513393d63c0117e12b79071168d264c7a19ee5ad70c5cf27b5429cb036d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013f513393d63c0117e12b79071168d264c7a19ee5ad70c5cf27b5429cb036d3", kill_on_drop: false }`
[INFO] [stdout] 013f513393d63c0117e12b79071168d264c7a19ee5ad70c5cf27b5429cb036d3
