[INFO] cloning repository https://github.com/JeanMertz/juniper_serde [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JeanMertz/juniper_serde" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeanMertz%2Fjuniper_serde", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeanMertz%2Fjuniper_serde'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 11ee01dc1fb3f48480903daef68961ff23cad486 [INFO] checking JeanMertz/juniper_serde against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeanMertz%2Fjuniper_serde" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JeanMertz/juniper_serde 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] removed /workspace/builds/worker-0-tc1/source/rust-toolchain [INFO] started tweaking git repo https://github.com/JeanMertz/juniper_serde [INFO] finished tweaking git repo https://github.com/JeanMertz/juniper_serde [INFO] tweaked toml for git repo https://github.com/JeanMertz/juniper_serde written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/JeanMertz/juniper_serde 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] Downloading crates ... [INFO] [stderr] Downloaded regex v1.1.7 [INFO] [stderr] Downloaded regex-syntax v0.6.7 [INFO] [stderr] Downloaded juniper v0.12.0 [INFO] [stderr] Downloaded syn v0.15.35 [INFO] [stderr] Downloaded juniper_codegen v0.12.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2a106bf7d9afb6fc5232418c2c9b8871da1ce41c76cd679021b497f77a169459 [INFO] running `Command { std: "docker" "start" "-a" "2a106bf7d9afb6fc5232418c2c9b8871da1ce41c76cd679021b497f77a169459", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a106bf7d9afb6fc5232418c2c9b8871da1ce41c76cd679021b497f77a169459", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a106bf7d9afb6fc5232418c2c9b8871da1ce41c76cd679021b497f77a169459", kill_on_drop: false }` [INFO] [stdout] 2a106bf7d9afb6fc5232418c2c9b8871da1ce41c76cd679021b497f77a169459 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f885d880e2030123c2889a4cab1872c3a861120765ecf97b737154a9142ab3f3 [INFO] running `Command { std: "docker" "start" "-a" "f885d880e2030123c2889a4cab1872c3a861120765ecf97b737154a9142ab3f3", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.35 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Compiling regex-syntax v0.6.7 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling aho-corasick v0.7.3 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling juniper_codegen v0.12.0 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking juniper v0.12.0 [INFO] [stderr] Checking juniper_serde v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.86s [INFO] running `Command { std: "docker" "inspect" "f885d880e2030123c2889a4cab1872c3a861120765ecf97b737154a9142ab3f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f885d880e2030123c2889a4cab1872c3a861120765ecf97b737154a9142ab3f3", kill_on_drop: false }` [INFO] [stdout] f885d880e2030123c2889a4cab1872c3a861120765ecf97b737154a9142ab3f3