[INFO] fetching crate oreo 0.2.1...
[INFO] checking oreo-0.2.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate oreo 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate oreo 0.2.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oreo 0.2.1
[INFO] finished tweaking crates.io crate oreo 0.2.1
[INFO] tweaked toml for crates.io crate oreo 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate oreo 0.2.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dashmap v5.2.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.10
[INFO] [stderr]   Downloaded sha2 v0.10.2
[INFO] [stderr]   Downloaded tracing-core v0.1.24
[INFO] [stderr]   Downloaded semver v1.0.7
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b37c6073cf16f97889ac8c00458394cb6be3d8bd7b8e7d1b80b4294f69c58940
[INFO] running `Command { std: "docker" "start" "-a" "b37c6073cf16f97889ac8c00458394cb6be3d8bd7b8e7d1b80b4294f69c58940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b37c6073cf16f97889ac8c00458394cb6be3d8bd7b8e7d1b80b4294f69c58940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b37c6073cf16f97889ac8c00458394cb6be3d8bd7b8e7d1b80b4294f69c58940", kill_on_drop: false }`
[INFO] [stdout] b37c6073cf16f97889ac8c00458394cb6be3d8bd7b8e7d1b80b4294f69c58940
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef1d594e2c57281f50d9f9e2a3fc2d73290c6e1f20d6a90e9e956d4608dc331d
[INFO] running `Command { std: "docker" "start" "-a" "ef1d594e2c57281f50d9f9e2a3fc2d73290c6e1f20d6a90e9e956d4608dc331d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking tracing-core v0.1.24
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]    Compiling rstest v0.12.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking dashmap v5.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.10
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]     Checking clap v3.1.8
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking oreo v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.88s
[INFO] running `Command { std: "docker" "inspect" "ef1d594e2c57281f50d9f9e2a3fc2d73290c6e1f20d6a90e9e956d4608dc331d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1d594e2c57281f50d9f9e2a3fc2d73290c6e1f20d6a90e9e956d4608dc331d", kill_on_drop: false }`
[INFO] [stdout] ef1d594e2c57281f50d9f9e2a3fc2d73290c6e1f20d6a90e9e956d4608dc331d