[INFO] fetching crate seamless_macros 0.10.0...
[INFO] checking seamless_macros-0.10.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate seamless_macros 0.10.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate seamless_macros 0.10.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seamless_macros 0.10.0
[INFO] finished tweaking crates.io crate seamless_macros 0.10.0
[INFO] tweaked toml for crates.io crate seamless_macros 0.10.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 60 packages
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding seamless v0.9.0 (latest: v0.11.0)
[INFO] [stderr]       Adding seamless_macros v0.9.0 (latest: v0.10.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding uuid v0.8.2 (latest: v1.8.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded seamless v0.9.0
[INFO] [stderr]   Downloaded seamless_macros v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dca9b07d161b8acf4f809655ea7ad107fb42729139c6f10b74e582941c38275a
[INFO] running `Command { std: "docker" "start" "-a" "dca9b07d161b8acf4f809655ea7ad107fb42729139c6f10b74e582941c38275a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dca9b07d161b8acf4f809655ea7ad107fb42729139c6f10b74e582941c38275a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca9b07d161b8acf4f809655ea7ad107fb42729139c6f10b74e582941c38275a", kill_on_drop: false }`
[INFO] [stdout] dca9b07d161b8acf4f809655ea7ad107fb42729139c6f10b74e582941c38275a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e02e39f29804f26b41f0428c482598b9975a6cd105a81ad8eab375b429a72513
[INFO] running `Command { std: "docker" "start" "-a" "e02e39f29804f26b41f0428c482598b9975a6cd105a81ad8eab375b429a72513", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking proc-macro2 v1.0.79
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking seamless_macros v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling seamless_macros v0.9.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking seamless v0.9.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.51s
[INFO] running `Command { std: "docker" "inspect" "e02e39f29804f26b41f0428c482598b9975a6cd105a81ad8eab375b429a72513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02e39f29804f26b41f0428c482598b9975a6cd105a81ad8eab375b429a72513", kill_on_drop: false }`
[INFO] [stdout] e02e39f29804f26b41f0428c482598b9975a6cd105a81ad8eab375b429a72513