[INFO] fetching crate cbordata 0.6.0...
[INFO] checking cbordata-0.6.0 against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] extracting crate cbordata 0.6.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate cbordata 0.6.0 on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cbordata 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cbordata 0.6.0
[INFO] tweaked toml for crates.io crate cbordata 0.6.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate cbordata 0.6.0 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.2.2
[INFO] [stderr]   Downloaded derive_arbitrary v1.0.2
[INFO] [stderr]   Downloaded cbordata-derive v0.6.0
[INFO] [stderr]   Downloaded num-bigint v0.4.2
[INFO] [stderr]   Downloaded syn-mid v0.5.3
[INFO] [stderr]   Downloaded arbitrary v1.0.2
[INFO] [stderr]   Downloaded quickcheck v0.7.2
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e406ce925c9f530a7f61908bca02ec96eabc85d99e84de12fe38d65eb979f39c
[INFO] running `Command { std: "docker" "start" "-a" "e406ce925c9f530a7f61908bca02ec96eabc85d99e84de12fe38d65eb979f39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e406ce925c9f530a7f61908bca02ec96eabc85d99e84de12fe38d65eb979f39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e406ce925c9f530a7f61908bca02ec96eabc85d99e84de12fe38d65eb979f39c", kill_on_drop: false }`
[INFO] [stdout] e406ce925c9f530a7f61908bca02ec96eabc85d99e84de12fe38d65eb979f39c
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e83bc87c0deaa2f5251b185409bf1fe58dd577fc3d6e972a9163fd031f72aef
[INFO] running `Command { std: "docker" "start" "-a" "1e83bc87c0deaa2f5251b185409bf1fe58dd577fc3d6e972a9163fd031f72aef", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.7.2
[INFO] [stderr]    Compiling syn-mid v0.5.3
[INFO] [stderr]    Compiling derive_arbitrary v1.0.2
[INFO] [stderr]     Checking arbitrary v1.0.2
[INFO] [stderr]    Compiling cbordata-derive v0.6.0
[INFO] [stderr]     Checking cbordata v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Floats` is never constructed
[INFO] [stdout]   --> examples/macro.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct Floats {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `ID` is never used
[INFO] [stdout]   --> examples/macro.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Floats {
[INFO] [stdout]    | ----------- associated constant in this implementation
[INFO] [stdout] 37 |     const ID: &'static str = "floats";
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `Command { std: "docker" "inspect" "1e83bc87c0deaa2f5251b185409bf1fe58dd577fc3d6e972a9163fd031f72aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e83bc87c0deaa2f5251b185409bf1fe58dd577fc3d6e972a9163fd031f72aef", kill_on_drop: false }`
[INFO] [stdout] 1e83bc87c0deaa2f5251b185409bf1fe58dd577fc3d6e972a9163fd031f72aef