[INFO] cloning repository https://github.com/davidpdrsn/juniper-look-ahead-with-fragments-error
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidpdrsn/juniper-look-ahead-with-fragments-error" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidpdrsn%2Fjuniper-look-ahead-with-fragments-error", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidpdrsn%2Fjuniper-look-ahead-with-fragments-error'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dced51ab594d08a2e0bb3f59dfb06929c66a42e1
[INFO] checking davidpdrsn/juniper-look-ahead-with-fragments-error against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidpdrsn%2Fjuniper-look-ahead-with-fragments-error" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidpdrsn/juniper-look-ahead-with-fragments-error on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidpdrsn/juniper-look-ahead-with-fragments-error
[INFO] finished tweaking git repo https://github.com/davidpdrsn/juniper-look-ahead-with-fragments-error
[INFO] tweaked toml for git repo https://github.com/davidpdrsn/juniper-look-ahead-with-fragments-error written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/davidpdrsn/juniper-look-ahead-with-fragments-error 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-ranges v1.0.3
[INFO] [stderr]   Downloaded aho-corasick v0.7.4
[INFO] [stderr]   Downloaded ucd-util v0.1.5
[INFO] [stderr]   Downloaded serde v1.0.97
[INFO] [stderr]   Downloaded serde_derive v1.0.97
[INFO] [stderr]   Downloaded regex-syntax v0.6.10
[INFO] [stderr]   Downloaded regex v1.2.0
[INFO] [stderr]   Downloaded syn v0.15.40
[INFO] [stderr]   Downloaded juniper_codegen v0.13.0
[INFO] [stderr]   Downloaded juniper v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1598da980af5cfdd2f5e49889176dec06cbf4180ad6afe8150e15bfdac3334a0
[INFO] running `Command { std: "docker" "start" "-a" "1598da980af5cfdd2f5e49889176dec06cbf4180ad6afe8150e15bfdac3334a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1598da980af5cfdd2f5e49889176dec06cbf4180ad6afe8150e15bfdac3334a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1598da980af5cfdd2f5e49889176dec06cbf4180ad6afe8150e15bfdac3334a0", kill_on_drop: false }`
[INFO] [stdout] 1598da980af5cfdd2f5e49889176dec06cbf4180ad6afe8150e15bfdac3334a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1251603976a9f35a97e1ea73ba7fee4c934a13c4ebc968a1268f490b3d84329
[INFO] running `Command { std: "docker" "start" "-a" "e1251603976a9f35a97e1ea73ba7fee4c934a13c4ebc968a1268f490b3d84329", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]    Compiling juniper_codegen v0.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]     Checking juniper v0.13.0
[INFO] [stderr]     Checking juniper-look-ahead-with-fragments-error v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.41s
[INFO] running `Command { std: "docker" "inspect" "e1251603976a9f35a97e1ea73ba7fee4c934a13c4ebc968a1268f490b3d84329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1251603976a9f35a97e1ea73ba7fee4c934a13c4ebc968a1268f490b3d84329", kill_on_drop: false }`
[INFO] [stdout] e1251603976a9f35a97e1ea73ba7fee4c934a13c4ebc968a1268f490b3d84329
[INFO] checking davidpdrsn/juniper-look-ahead-with-fragments-error against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidpdrsn%2Fjuniper-look-ahead-with-fragments-error" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidpdrsn/juniper-look-ahead-with-fragments-error on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidpdrsn/juniper-look-ahead-with-fragments-error
[INFO] finished tweaking git repo https://github.com/davidpdrsn/juniper-look-ahead-with-fragments-error
[INFO] tweaked toml for git repo https://github.com/davidpdrsn/juniper-look-ahead-with-fragments-error written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/davidpdrsn/juniper-look-ahead-with-fragments-error 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67d871767c3a119841dd3836543e13ed5e941c63ec26b9e477457e2fd81be8be
[INFO] running `Command { std: "docker" "start" "-a" "67d871767c3a119841dd3836543e13ed5e941c63ec26b9e477457e2fd81be8be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67d871767c3a119841dd3836543e13ed5e941c63ec26b9e477457e2fd81be8be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d871767c3a119841dd3836543e13ed5e941c63ec26b9e477457e2fd81be8be", kill_on_drop: false }`
[INFO] [stdout] 67d871767c3a119841dd3836543e13ed5e941c63ec26b9e477457e2fd81be8be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 737bc1335eb56dbb428f630442ec5dd26314dec29357c629415644343eeeb894
[INFO] running `Command { std: "docker" "start" "-a" "737bc1335eb56dbb428f630442ec5dd26314dec29357c629415644343eeeb894", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling juniper_codegen v0.13.0
[INFO] [stderr]     Checking juniper v0.13.0
[INFO] [stderr]     Checking juniper-look-ahead-with-fragments-error v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.20s
[INFO] running `Command { std: "docker" "inspect" "737bc1335eb56dbb428f630442ec5dd26314dec29357c629415644343eeeb894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "737bc1335eb56dbb428f630442ec5dd26314dec29357c629415644343eeeb894", kill_on_drop: false }`
[INFO] [stdout] 737bc1335eb56dbb428f630442ec5dd26314dec29357c629415644343eeeb894