[INFO] cloning repository https://github.com/pFlow-dev/metamodel-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pFlow-dev/metamodel-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpFlow-dev%2Fmetamodel-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpFlow-dev%2Fmetamodel-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f06fef9609508f67ccb3d2588f0dc69039bcbfc
[INFO] checking pFlow-dev/metamodel-rs against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpFlow-dev%2Fmetamodel-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pFlow-dev/metamodel-rs
[INFO] finished tweaking git repo https://github.com/pFlow-dev/metamodel-rs
[INFO] tweaked toml for git repo https://github.com/pFlow-dev/metamodel-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pFlow-dev/metamodel-rs on toolchain 040e2f8b9ff2d76fbe2146d6003e297ed4532088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pFlow-dev/metamodel-rs 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" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libipld-pb v0.16.0
[INFO] [stderr]   Downloaded libipld-cbor-derive v0.16.0
[INFO] [stderr]   Downloaded libipld-json v0.16.0
[INFO] [stderr]   Downloaded cjson v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a1dbbc547023f6e64db305b3bc82811991484f54a01d0ca122dd68c3820ff61
[INFO] running `Command { std: "docker" "start" "-a" "3a1dbbc547023f6e64db305b3bc82811991484f54a01d0ca122dd68c3820ff61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a1dbbc547023f6e64db305b3bc82811991484f54a01d0ca122dd68c3820ff61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a1dbbc547023f6e64db305b3bc82811991484f54a01d0ca122dd68c3820ff61", kill_on_drop: false }`
[INFO] [stdout] 3a1dbbc547023f6e64db305b3bc82811991484f54a01d0ca122dd68c3820ff61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f61a160084ede77c5b06512397435e89067c0ba5596cdc6e315ff58294ee620
[INFO] running `Command { std: "docker" "start" "-a" "4f61a160084ede77c5b06512397435e89067c0ba5596cdc6e315ff58294ee620", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking blake2s_simd v1.0.2
[INFO] [stderr]    Compiling blake3 v1.5.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking brotli-decompressor v4.0.1
[INFO] [stderr]     Checking quick-protobuf v0.8.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking brotli v6.0.0
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.12
[INFO] [stderr]    Compiling multihash-derive v0.8.1
[INFO] [stderr]    Compiling libipld-cbor-derive v0.16.0
[INFO] [stderr]    Compiling embed-doc-image v0.1.4
[INFO] [stderr]     Checking data-encoding-macro v0.1.14
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking multihash v0.18.1
[INFO] [stderr]     Checking cid v0.10.1
[INFO] [stderr]     Checking libipld-core v0.16.0
[INFO] [stderr]     Checking libipld-cbor v0.16.0
[INFO] [stderr]     Checking libipld-macro v0.16.0
[INFO] [stderr]     Checking libipld-pb v0.16.0
[INFO] [stderr]     Checking libipld-json v0.16.0
[INFO] [stderr]     Checking cjson v0.1.2
[INFO] [stderr]     Checking libipld v0.16.0
[INFO] [stderr]     Checking pflow-metamodel v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `ImageBuilder` is never used
[INFO] [stdout]  --> src/display.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub trait ImageBuilder {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ImageOutput` is never used
[INFO] [stdout]   --> src/display.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub trait ImageOutput {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Display` is never constructed
[INFO] [stdout]   --> src/display.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Display {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/display.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Display {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 42 |     fn new(model: Model) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_base64_url` is never used
[INFO] [stdout]   --> src/display.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub trait ImageOutput {
[INFO] [stdout]    |           ----------- method in this trait
[INFO] [stdout] 28 |     fn encode_url_component(component: &str) -> String;
[INFO] [stdout] 29 |     fn to_base64_url(&self) -> String;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.22s
[INFO] running `Command { std: "docker" "inspect" "4f61a160084ede77c5b06512397435e89067c0ba5596cdc6e315ff58294ee620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f61a160084ede77c5b06512397435e89067c0ba5596cdc6e315ff58294ee620", kill_on_drop: false }`
[INFO] [stdout] 4f61a160084ede77c5b06512397435e89067c0ba5596cdc6e315ff58294ee620