[INFO] cloning repository https://github.com/jrobsonchase/hello-rust-nix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jrobsonchase/hello-rust-nix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrobsonchase%2Fhello-rust-nix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrobsonchase%2Fhello-rust-nix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad022426925da204e14936ad0274fb71e3cbc4e3
[INFO] checking jrobsonchase/hello-rust-nix against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrobsonchase%2Fhello-rust-nix" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jrobsonchase/hello-rust-nix 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/jrobsonchase/hello-rust-nix
[INFO] finished tweaking git repo https://github.com/jrobsonchase/hello-rust-nix
[INFO] tweaked toml for git repo https://github.com/jrobsonchase/hello-rust-nix written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jrobsonchase/hello-rust-nix 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 421d1f1755c208470208e05dd6f58f8eba6faa18b4c463b8bf21e7141534acfe
[INFO] running `Command { std: "docker" "start" "-a" "421d1f1755c208470208e05dd6f58f8eba6faa18b4c463b8bf21e7141534acfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "421d1f1755c208470208e05dd6f58f8eba6faa18b4c463b8bf21e7141534acfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "421d1f1755c208470208e05dd6f58f8eba6faa18b4c463b8bf21e7141534acfe", kill_on_drop: false }`
[INFO] [stdout] 421d1f1755c208470208e05dd6f58f8eba6faa18b4c463b8bf21e7141534acfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a36e5d07be807e519dd735e8dc7bd5f1cbf15c7da8656396a86a05076630ced0
[INFO] running `Command { std: "docker" "start" "-a" "a36e5d07be807e519dd735e8dc7bd5f1cbf15c7da8656396a86a05076630ced0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tracing-attributes v0.1.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]     Checking tracing v0.1.28
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking glam v0.13.1
[INFO] [stderr]     Checking bevy_utils v0.5.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling find-crate v0.6.3
[INFO] [stderr]    Compiling bevy_reflect_derive v0.5.0
[INFO] [stderr]     Checking bevy_reflect v0.5.0
[INFO] [stderr]     Checking bevy_math v0.5.0
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.32s
[INFO] running `Command { std: "docker" "inspect" "a36e5d07be807e519dd735e8dc7bd5f1cbf15c7da8656396a86a05076630ced0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a36e5d07be807e519dd735e8dc7bd5f1cbf15c7da8656396a86a05076630ced0", kill_on_drop: false }`
[INFO] [stdout] a36e5d07be807e519dd735e8dc7bd5f1cbf15c7da8656396a86a05076630ced0
[INFO] checking jrobsonchase/hello-rust-nix against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrobsonchase%2Fhello-rust-nix" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jrobsonchase/hello-rust-nix 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/jrobsonchase/hello-rust-nix
[INFO] finished tweaking git repo https://github.com/jrobsonchase/hello-rust-nix
[INFO] tweaked toml for git repo https://github.com/jrobsonchase/hello-rust-nix written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jrobsonchase/hello-rust-nix 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4bd60b91a89ed2242f4bcfafce274fe68def129020468f517d01c50f0772fef0
[INFO] running `Command { std: "docker" "start" "-a" "4bd60b91a89ed2242f4bcfafce274fe68def129020468f517d01c50f0772fef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bd60b91a89ed2242f4bcfafce274fe68def129020468f517d01c50f0772fef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd60b91a89ed2242f4bcfafce274fe68def129020468f517d01c50f0772fef0", kill_on_drop: false }`
[INFO] [stdout] 4bd60b91a89ed2242f4bcfafce274fe68def129020468f517d01c50f0772fef0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1acba2ed6d5265bb0c794d9a5b6060d7fd0162b2f8e4d2622d9ac405ff0010f2
[INFO] running `Command { std: "docker" "start" "-a" "1acba2ed6d5265bb0c794d9a5b6060d7fd0162b2f8e4d2622d9ac405ff0010f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tracing-attributes v0.1.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]     Checking tracing v0.1.28
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking glam v0.13.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking bevy_utils v0.5.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling find-crate v0.6.3
[INFO] [stderr]    Compiling bevy_reflect_derive v0.5.0
[INFO] [stderr]     Checking bevy_reflect v0.5.0
[INFO] [stderr]     Checking bevy_math v0.5.0
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.56s
[INFO] running `Command { std: "docker" "inspect" "1acba2ed6d5265bb0c794d9a5b6060d7fd0162b2f8e4d2622d9ac405ff0010f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1acba2ed6d5265bb0c794d9a5b6060d7fd0162b2f8e4d2622d9ac405ff0010f2", kill_on_drop: false }`
[INFO] [stdout] 1acba2ed6d5265bb0c794d9a5b6060d7fd0162b2f8e4d2622d9ac405ff0010f2