[INFO] fetching crate cargo-nix 0.1.0-mvp...
[INFO] checking cargo-nix-0.1.0-mvp against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate cargo-nix 0.1.0-mvp into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate cargo-nix 0.1.0-mvp 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 cargo-nix 0.1.0-mvp
[INFO] finished tweaking crates.io crate cargo-nix 0.1.0-mvp
[INFO] tweaked toml for crates.io crate cargo-nix 0.1.0-mvp written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-nix 0.1.0-mvp 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 wasm-bindgen-shared v0.2.69
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.69
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]   Downloaded ureq v2.0.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.69
[INFO] [stderr]   Downloaded redox_syscall v0.2.4
[INFO] [stderr]   Downloaded tracing-serde v0.1.2
[INFO] [stderr]   Downloaded form_urlencoded v1.0.0
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded webpki-roots v0.21.0
[INFO] [stderr]   Downloaded indenter v0.3.2
[INFO] [stderr]   Downloaded tar v0.4.30
[INFO] [stderr]   Downloaded sharded-slab v0.1.1
[INFO] [stderr]   Downloaded pin-project-lite v0.2.4
[INFO] [stderr]   Downloaded tinyvec v1.1.0
[INFO] [stderr]   Downloaded indexmap v1.6.1
[INFO] [stderr]   Downloaded tracing v0.1.22
[INFO] [stderr]   Downloaded bstr v0.2.14
[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] [stderr]   Downloaded gimli v0.23.0
[INFO] [stderr]   Downloaded color-eyre v0.5.10
[INFO] [stderr]   Downloaded object v0.23.0
[INFO] [stderr]   Downloaded backtrace v0.3.56
[INFO] [stderr]   Downloaded color-spantrace v0.1.6
[INFO] [stderr]   Downloaded flate2 v1.0.19
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] [stderr]   Downloaded regex v1.4.3
[INFO] [stderr]   Downloaded tracing-core v0.1.17
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.15
[INFO] [stderr]   Downloaded rustls v0.19.0
[INFO] [stderr]   Downloaded serde_derive v1.0.122
[INFO] [stderr]   Downloaded serde v1.0.122
[INFO] [stderr]   Downloaded serde_json v1.0.61
[INFO] [stderr]   Downloaded unicode-normalization v0.1.16
[INFO] [stderr]   Downloaded cc v1.0.66
[INFO] [stderr]   Downloaded js-sys v0.3.46
[INFO] [stderr]   Downloaded bumpalo v3.5.0
[INFO] [stderr]   Downloaded syn v1.0.60
[INFO] [stderr]   Downloaded addr2line v0.14.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.18
[INFO] [stderr]   Downloaded ring v0.16.19
[INFO] [stderr]   Downloaded eyre v0.6.5
[INFO] [stderr]   Downloaded owo-colors v1.2.1
[INFO] [stderr]   Downloaded miniz_oxide v0.4.3
[INFO] [stderr]   Downloaded filetime v0.2.14
[INFO] [stderr]   Downloaded xattr v0.2.2
[INFO] [stderr]   Downloaded wasi v0.10.1+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded rand_core v0.6.1
[INFO] [stderr]   Downloaded rand v0.8.2
[INFO] [stderr]   Downloaded tracing-error v0.1.2
[INFO] [stderr]   Downloaded byteorder v1.4.2
[INFO] [stderr]   Downloaded thread_local v1.1.2
[INFO] [stderr]   Downloaded tracing-attributes v0.1.11
[INFO] [stderr]   Downloaded chunked_transfer v1.3.0
[INFO] [stderr]   Downloaded url v2.2.0
[INFO] [stderr]   Downloaded log v0.4.13
[INFO] [stderr]   Downloaded tracing-log v0.1.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.69
[INFO] [stderr]   Downloaded web-sys v0.3.46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fdf07575fc9b8beeb715b7da437fee4bf3c63cf901f36be0178b751434bf3559
[INFO] running `Command { std: "docker" "start" "-a" "fdf07575fc9b8beeb715b7da437fee4bf3c63cf901f36be0178b751434bf3559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdf07575fc9b8beeb715b7da437fee4bf3c63cf901f36be0178b751434bf3559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdf07575fc9b8beeb715b7da437fee4bf3c63cf901f36be0178b751434bf3559", kill_on_drop: false }`
[INFO] [stdout] fdf07575fc9b8beeb715b7da437fee4bf3c63cf901f36be0178b751434bf3559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6a0c0062ddff0ec2df657075927224ef221321b4e1c04ee472a897411ad779b4
[INFO] running `Command { std: "docker" "start" "-a" "6a0c0062ddff0ec2df657075927224ef221321b4e1c04ee472a897411ad779b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.122
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling serde v1.0.122
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking indenter v0.3.2
[INFO] [stderr]     Checking owo-colors v1.2.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking chunked_transfer v1.3.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking ureq v2.0.1
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking color-eyre v0.5.10
[INFO] [stderr]     Checking cargo-nix v0.1.0-mvp (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.53s
[INFO] running `Command { std: "docker" "inspect" "6a0c0062ddff0ec2df657075927224ef221321b4e1c04ee472a897411ad779b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a0c0062ddff0ec2df657075927224ef221321b4e1c04ee472a897411ad779b4", kill_on_drop: false }`
[INFO] [stdout] 6a0c0062ddff0ec2df657075927224ef221321b4e1c04ee472a897411ad779b4