[INFO] fetching crate cbordata 0.6.0...
[INFO] checking cbordata-0.6.0 against master#43a4909ee98ed4d006d9d773f5d94dc58e34f846 for pr-157576
[INFO] extracting crate cbordata 0.6.0 into /workspace/builds/worker-0-tc1/source
[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] validating manifest of crates.io crate cbordata 0.6.0 on toolchain 43a4909ee98ed4d006d9d773f5d94dc58e34f846
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+43a4909ee98ed4d006d9d773f5d94dc58e34f846" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+43a4909ee98ed4d006d9d773f5d94dc58e34f846" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `cbordata` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arbitrary v1.0.2
[INFO] [stderr]   Downloaded derive_arbitrary v1.0.2
[INFO] [stderr]   Downloaded quickcheck v0.7.2
[INFO] [stderr]   Downloaded num-bigint v0.4.2
[INFO] [stderr]   Downloaded syn-mid v0.5.3
[INFO] [stderr]   Downloaded cbordata-derive v0.6.0
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.12
[INFO] [stderr]   Downloaded proc-macro-error v0.4.12
[INFO] [stderr]   Downloaded libc v0.2.101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d7246bc2c597cb160ed44a34b3190c4971082e18b84283f103ec67ce37f3e726
[INFO] running `Command { std: "docker" "start" "d7246bc2c597cb160ed44a34b3190c4971082e18b84283f103ec67ce37f3e726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d7246bc2c597cb160ed44a34b3190c4971082e18b84283f103ec67ce37f3e726" "/opt/rustwide/cargo-home/bin/cargo" "+43a4909ee98ed4d006d9d773f5d94dc58e34f846" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7246bc2c597cb160ed44a34b3190c4971082e18b84283f103ec67ce37f3e726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d7246bc2c597cb160ed44a34b3190c4971082e18b84283f103ec67ce37f3e726" "/opt/rustwide/cargo-home/bin/cargo" "+43a4909ee98ed4d006d9d773f5d94dc58e34f846" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `cbordata` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.94s
[INFO] running `Command { std: "docker" "inspect" "d7246bc2c597cb160ed44a34b3190c4971082e18b84283f103ec67ce37f3e726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7246bc2c597cb160ed44a34b3190c4971082e18b84283f103ec67ce37f3e726", kill_on_drop: false }`
[INFO] [stdout] d7246bc2c597cb160ed44a34b3190c4971082e18b84283f103ec67ce37f3e726
