[INFO] fetching crate dzp 0.1.0...
[INFO] checking dzp-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate dzp 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate dzp 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 dzp 0.1.0
[INFO] finished tweaking crates.io crate dzp 0.1.0
[INFO] tweaked toml for crates.io crate dzp 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate dzp 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 titlecase v1.1.0
[INFO] [stderr]   Downloaded error-code v2.3.0
[INFO] [stderr]   Downloaded str-buf v1.0.5
[INFO] [stderr]   Downloaded openssl-probe v0.1.4
[INFO] [stderr]   Downloaded lazer v0.3.1
[INFO] [stderr]   Downloaded reduce v0.1.4
[INFO] [stderr]   Downloaded clipboard-win v4.2.2
[INFO] [stderr]   Downloaded fd-lock v3.0.0
[INFO] [stderr]   Downloaded pkg-config v0.3.22
[INFO] [stderr]   Downloaded serde_yaml v0.8.21
[INFO] [stderr]   Downloaded syn v1.0.81
[INFO] [stderr]   Downloaded openssl-sys v0.9.71
[INFO] [stderr]   Downloaded git2 v0.13.24
[INFO] [stderr]   Downloaded nix v0.22.2
[INFO] [stderr]   Downloaded libc v0.2.107
[INFO] [stderr]   Downloaded license v1.1.9
[INFO] [stderr]   Downloaded rustyline v9.0.0
[INFO] [stderr]   Downloaded libz-sys v1.1.3
[INFO] [stderr]   Downloaded libgit2-sys v0.12.25+1.3.0
[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] c0c8857b40df74c3784ea925d00a8a3b9c57d76e31093ad197a428478463189a
[INFO] running `Command { std: "docker" "start" "-a" "c0c8857b40df74c3784ea925d00a8a3b9c57d76e31093ad197a428478463189a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0c8857b40df74c3784ea925d00a8a3b9c57d76e31093ad197a428478463189a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c8857b40df74c3784ea925d00a8a3b9c57d76e31093ad197a428478463189a", kill_on_drop: false }`
[INFO] [stdout] c0c8857b40df74c3784ea925d00a8a3b9c57d76e31093ad197a428478463189a
[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] 8155ebfe9f20efebde81c6019dcefa0c469437ced5fc9138fe04999dcf767946
[INFO] running `Command { std: "docker" "start" "-a" "8155ebfe9f20efebde81c6019dcefa0c469437ced5fc9138fe04999dcf767946", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling lazer v0.3.1
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking license v1.1.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking nix v0.22.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fd-lock v3.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking titlecase v1.1.0
[INFO] [stderr]     Checking reduce v0.1.4
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.12.25+1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking rustyline v9.0.0
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking git2 v0.13.24
[INFO] [stderr]     Checking dzp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.32s
[INFO] running `Command { std: "docker" "inspect" "8155ebfe9f20efebde81c6019dcefa0c469437ced5fc9138fe04999dcf767946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8155ebfe9f20efebde81c6019dcefa0c469437ced5fc9138fe04999dcf767946", kill_on_drop: false }`
[INFO] [stdout] 8155ebfe9f20efebde81c6019dcefa0c469437ced5fc9138fe04999dcf767946