[INFO] fetching crate dynfractal 0.1.0...
[INFO] checking dynfractal-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate dynfractal 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate dynfractal 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 dynfractal 0.1.0
[INFO] finished tweaking crates.io crate dynfractal 0.1.0
[INFO] tweaked toml for crates.io crate dynfractal 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate dynfractal 0.1.0 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 unicode-ident v1.0.2
[INFO] [stderr]   Downloaded ucd-trie v0.1.4
[INFO] [stderr]   Downloaded rcalc_lib v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1a1c8157186b0b441e09f009ce9582f552fbc5a30f75556b06f4dbace0d44b43
[INFO] running `Command { std: "docker" "start" "-a" "1a1c8157186b0b441e09f009ce9582f552fbc5a30f75556b06f4dbace0d44b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a1c8157186b0b441e09f009ce9582f552fbc5a30f75556b06f4dbace0d44b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1c8157186b0b441e09f009ce9582f552fbc5a30f75556b06f4dbace0d44b43", kill_on_drop: false }`
[INFO] [stdout] 1a1c8157186b0b441e09f009ce9582f552fbc5a30f75556b06f4dbace0d44b43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f8e63c10628a43b9abdf7233068854b9ac07b3048c2fa37e19ca2bee9c9e0ff5
[INFO] running `Command { std: "docker" "start" "-a" "f8e63c10628a43b9abdf7233068854b9ac07b3048c2fa37e19ca2bee9c9e0ff5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling ucd-trie v0.1.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking num-traits v0.2.15
[INFO] [stderr]     Checking text_io v0.1.10
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking rcalc_lib v1.0.0
[INFO] [stderr]     Checking dynfractal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "f8e63c10628a43b9abdf7233068854b9ac07b3048c2fa37e19ca2bee9c9e0ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e63c10628a43b9abdf7233068854b9ac07b3048c2fa37e19ca2bee9c9e0ff5", kill_on_drop: false }`
[INFO] [stdout] f8e63c10628a43b9abdf7233068854b9ac07b3048c2fa37e19ca2bee9c9e0ff5