[INFO] fetching crate clu 0.0.2...
[INFO] checking clu-0.0.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate clu 0.0.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate clu 0.0.2 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 clu 0.0.2
[INFO] finished tweaking crates.io crate clu 0.0.2
[INFO] tweaked toml for crates.io crate clu 0.0.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate clu 0.0.2 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libclu v0.0.2
[INFO] [stderr]   Downloaded backtrace v0.3.60
[INFO] [stderr]   Downloaded gory v0.1.14
[INFO] [stderr]   Downloaded witcher v0.1.19
[INFO] [stderr]   Downloaded rustc-demangle v0.1.20
[INFO] [stderr]   Downloaded addr2line v0.15.2
[INFO] [stderr]   Downloaded object v0.25.3
[INFO] [stderr]   Downloaded gimli v0.24.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3ba04c5f3c2f011dd9901281b21537ab1ba2b50d32bb3a77b27999537542904b
[INFO] running `Command { std: "docker" "start" "-a" "3ba04c5f3c2f011dd9901281b21537ab1ba2b50d32bb3a77b27999537542904b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ba04c5f3c2f011dd9901281b21537ab1ba2b50d32bb3a77b27999537542904b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ba04c5f3c2f011dd9901281b21537ab1ba2b50d32bb3a77b27999537542904b", kill_on_drop: false }`
[INFO] [stdout] 3ba04c5f3c2f011dd9901281b21537ab1ba2b50d32bb3a77b27999537542904b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4ddc001e6976b2dd1e408be8f1dba4ec206d5ca534ee909bbfbd547bd769a2f0
[INFO] running `Command { std: "docker" "start" "-a" "4ddc001e6976b2dd1e408be8f1dba4ec206d5ca534ee909bbfbd547bd769a2f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]     Checking gory v0.1.14
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]    Compiling libclu v0.0.2
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking witcher v0.1.19
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-subscriber v0.2.18
[INFO] [stderr]     Checking clu v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.99s
[INFO] running `Command { std: "docker" "inspect" "4ddc001e6976b2dd1e408be8f1dba4ec206d5ca534ee909bbfbd547bd769a2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ddc001e6976b2dd1e408be8f1dba4ec206d5ca534ee909bbfbd547bd769a2f0", kill_on_drop: false }`
[INFO] [stdout] 4ddc001e6976b2dd1e408be8f1dba4ec206d5ca534ee909bbfbd547bd769a2f0