[INFO] fetching crate liberate_mx 0.1.0...
[INFO] checking liberate_mx-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate liberate_mx 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate liberate_mx 0.1.0 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 liberate_mx 0.1.0
[INFO] finished tweaking crates.io crate liberate_mx 0.1.0
[INFO] tweaked toml for crates.io crate liberate_mx 0.1.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 110 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding darling v0.14.4 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_core v0.14.4 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_macro v0.14.4 (latest: v0.20.8)
[INFO] [stderr]       Adding derive_builder v0.12.0 (latest: v0.20.0)
[INFO] [stderr]       Adding derive_builder_core v0.12.0 (latest: v0.20.0)
[INFO] [stderr]       Adding derive_builder_macro v0.12.0 (latest: v0.20.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding globwalk v0.8.1 (latest: v0.9.1)
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slug v0.1.5
[INFO] [stderr]   Downloaded ignore v0.4.22
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8818b3153045354d802cddb6afab375dd4c314caacc76e4fc5a4381d7c8e9322
[INFO] running `Command { std: "docker" "start" "-a" "8818b3153045354d802cddb6afab375dd4c314caacc76e4fc5a4381d7c8e9322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8818b3153045354d802cddb6afab375dd4c314caacc76e4fc5a4381d7c8e9322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8818b3153045354d802cddb6afab375dd4c314caacc76e4fc5a4381d7c8e9322", kill_on_drop: false }`
[INFO] [stdout] 8818b3153045354d802cddb6afab375dd4c314caacc76e4fc5a4381d7c8e9322
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43e939a2f6f5ecc1411b410de7f34a023df294e71842ff00a6490b828e9f2af9
[INFO] running `Command { std: "docker" "start" "-a" "43e939a2f6f5ecc1411b410de7f34a023df294e71842ff00a6490b828e9f2af9", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking deunicode v1.4.3
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking slug v0.1.5
[INFO] [stderr]     Checking humansize v2.1.3
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking ignore v0.4.22
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling pest v2.7.9
[INFO] [stderr]    Compiling chrono-tz-build v0.2.1
[INFO] [stderr]    Compiling chrono-tz v0.8.6
[INFO] [stderr]    Compiling pest_meta v2.7.9
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]    Compiling pest_generator v2.7.9
[INFO] [stderr]    Compiling pest_derive v2.7.9
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking tera v1.19.1
[INFO] [stderr]     Checking liberate_mx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.53s
[INFO] running `Command { std: "docker" "inspect" "43e939a2f6f5ecc1411b410de7f34a023df294e71842ff00a6490b828e9f2af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43e939a2f6f5ecc1411b410de7f34a023df294e71842ff00a6490b828e9f2af9", kill_on_drop: false }`
[INFO] [stdout] 43e939a2f6f5ecc1411b410de7f34a023df294e71842ff00a6490b828e9f2af9