[INFO] fetching crate rustpython-format 0.3.0...
[INFO] checking rustpython-format-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate rustpython-format 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate rustpython-format 0.3.0 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 rustpython-format 0.3.0
[INFO] finished tweaking crates.io crate rustpython-format 0.3.0
[INFO] tweaked toml for crates.io crate rustpython-format 0.3.0 written to /workspace/builds/worker-1-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 59 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding block-buffer v0.9.0 (latest: v0.10.4)
[INFO] [stderr]       Adding block-padding v0.2.1 (latest: v0.3.3)
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[INFO] [stderr]       Adding is-macro v0.2.2 (latest: v0.3.5)
[INFO] [stderr]       Adding itertools v0.9.0 (latest: v0.12.1)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding malachite v0.3.2 (latest: v0.4.5)
[INFO] [stderr]       Adding malachite-base v0.3.2 (latest: v0.4.5)
[INFO] [stderr]       Adding malachite-bigint v0.1.0 (latest: v0.2.0)
[INFO] [stderr]       Adding malachite-nz v0.3.2 (latest: v0.4.5)
[INFO] [stderr]       Adding malachite-q v0.3.2 (latest: v0.4.5)
[INFO] [stderr]       Adding pmutil v0.5.3 (latest: v0.6.1)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding sha3 v0.9.1 (latest: v0.10.8)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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 rustpython-literal v0.3.0
[INFO] [stderr]   Downloaded is-macro v0.2.2
[INFO] [stderr]   Downloaded unic-ucd-category v0.9.0
[INFO] [stderr]   Downloaded malachite v0.3.2
[INFO] [stderr]   Downloaded malachite-base v0.3.2
[INFO] [stderr]   Downloaded malachite-q v0.3.2
[INFO] [stderr]   Downloaded malachite-bigint v0.1.0
[INFO] [stderr]   Downloaded malachite-nz v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0329fc4208578b65206ea14505277dbca05c4c7988e0d5f3b60c2ef1aaaf8f6a
[INFO] running `Command { std: "docker" "start" "-a" "0329fc4208578b65206ea14505277dbca05c4c7988e0d5f3b60c2ef1aaaf8f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0329fc4208578b65206ea14505277dbca05c4c7988e0d5f3b60c2ef1aaaf8f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0329fc4208578b65206ea14505277dbca05c4c7988e0d5f3b60c2ef1aaaf8f6a", kill_on_drop: false }`
[INFO] [stdout] 0329fc4208578b65206ea14505277dbca05c4c7988e0d5f3b60c2ef1aaaf8f6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 023c0be3e85f1234ab3c07663cef1c87638a02e7b0c186ec6db088af47785fc2
[INFO] running `Command { std: "docker" "start" "-a" "023c0be3e85f1234ab3c07663cef1c87638a02e7b0c186ec6db088af47785fc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking hexf-parse v0.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking unic-ucd-category v0.9.0
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking malachite-base v0.3.2
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling embed-doc-image v0.1.4
[INFO] [stderr]    Compiling is-macro v0.2.2
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking rustpython-literal v0.3.0
[INFO] [stderr]     Checking malachite-nz v0.3.2
[INFO] [stderr]     Checking malachite-q v0.3.2
[INFO] [stderr]     Checking malachite v0.3.2
[INFO] [stderr]     Checking malachite-bigint v0.1.0
[INFO] [stderr]     Checking rustpython-format v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.44s
[INFO] running `Command { std: "docker" "inspect" "023c0be3e85f1234ab3c07663cef1c87638a02e7b0c186ec6db088af47785fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023c0be3e85f1234ab3c07663cef1c87638a02e7b0c186ec6db088af47785fc2", kill_on_drop: false }`
[INFO] [stdout] 023c0be3e85f1234ab3c07663cef1c87638a02e7b0c186ec6db088af47785fc2