[INFO] fetching crate traffic_generator 0.1.0...
[INFO] testing traffic_generator-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate traffic_generator 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate traffic_generator 0.1.0
[INFO] finished tweaking crates.io crate traffic_generator 0.1.0
[INFO] tweaked toml for crates.io crate traffic_generator 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate traffic_generator 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 149 packages to latest compatible versions
[INFO] [stderr]       Adding chrono v0.2.25 (available: v0.4.44)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: unused manifest key: package.respository
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 809338ecf66411c10637a07c4edae6c37e283227c5619d6310f89168469761d4
[INFO] running `Command { std: "docker" "start" "-a" "809338ecf66411c10637a07c4edae6c37e283227c5619d6310f89168469761d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "809338ecf66411c10637a07c4edae6c37e283227c5619d6310f89168469761d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "809338ecf66411c10637a07c4edae6c37e283227c5619d6310f89168469761d4", kill_on_drop: false }`
[INFO] [stdout] 809338ecf66411c10637a07c4edae6c37e283227c5619d6310f89168469761d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87c320696c9b9b5c57e85a1516fef9acd5e54918ca6ecf747a65caa778314713
[INFO] running `Command { std: "docker" "start" "-a" "87c320696c9b9b5c57e85a1516fef9acd5e54918ca6ecf747a65caa778314713", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: unused manifest key: package.respository
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling litemap v0.8.2
[INFO] [stderr]    Compiling writeable v0.6.3
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling rand_core v0.10.1
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling colorchoice v1.0.5
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling jiff v0.2.24
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling rand v0.10.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling num v0.1.43
[INFO] [stderr]    Compiling hyper v1.9.0
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/chrono-0.2.25/src/offset/utc.rs:22:48
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/chrono-0.2.25/src/offset/utc.rs:22:64
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/chrono-0.2.25/src/offset/local.rs:73:48
[INFO] [stdout]    |
[INFO] [stdout] 73 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/chrono-0.2.25/src/offset/local.rs:73:64
[INFO] [stdout]    |
[INFO] [stdout] 73 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/chrono-0.2.25/src/lib.rs:381:48
[INFO] [stdout]     |
[INFO] [stdout] 381 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/chrono-0.2.25/src/lib.rs:381:64
[INFO] [stdout]     |
[INFO] [stdout] 381 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chrono` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "87c320696c9b9b5c57e85a1516fef9acd5e54918ca6ecf747a65caa778314713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c320696c9b9b5c57e85a1516fef9acd5e54918ca6ecf747a65caa778314713", kill_on_drop: false }`
[INFO] [stdout] 87c320696c9b9b5c57e85a1516fef9acd5e54918ca6ecf747a65caa778314713
