[INFO] cloning repository https://github.com/randomdude999/userbar-gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/randomdude999/userbar-gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandomdude999%2Fuserbar-gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandomdude999%2Fuserbar-gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75ce423c855d0ed2fb64bf44d7be7c73c1af5a9c
[INFO] checking randomdude999/userbar-gen against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandomdude999%2Fuserbar-gen" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/randomdude999/userbar-gen 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/randomdude999/userbar-gen
[INFO] finished tweaking git repo https://github.com/randomdude999/userbar-gen
[INFO] tweaked toml for git repo https://github.com/randomdude999/userbar-gen written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/randomdude999/userbar-gen 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-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 281c1610d865193ae87d3acaad9852d94dcca977a6cc346eb7da9ecc0ab5151c
[INFO] running `Command { std: "docker" "start" "-a" "281c1610d865193ae87d3acaad9852d94dcca977a6cc346eb7da9ecc0ab5151c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "281c1610d865193ae87d3acaad9852d94dcca977a6cc346eb7da9ecc0ab5151c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "281c1610d865193ae87d3acaad9852d94dcca977a6cc346eb7da9ecc0ab5151c", kill_on_drop: false }`
[INFO] [stdout] 281c1610d865193ae87d3acaad9852d94dcca977a6cc346eb7da9ecc0ab5151c
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15d47b055f1a1aa65cc6c99e563738e70d9bb20b08b1a1e94391f759c3785938
[INFO] running `Command { std: "docker" "start" "-a" "15d47b055f1a1aa65cc6c99e563738e70d9bb20b08b1a1e94391f759c3785938", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.91
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling bumpalo v3.15.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling wasm-bindgen v0.2.91
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking png v0.17.11
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.91
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.91
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.91
[INFO] [stderr]     Checking libuserbar v0.1.0 (/opt/rustwide/workdir/libuserbar)
[INFO] [stderr]     Checking userbar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "15d47b055f1a1aa65cc6c99e563738e70d9bb20b08b1a1e94391f759c3785938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d47b055f1a1aa65cc6c99e563738e70d9bb20b08b1a1e94391f759c3785938", kill_on_drop: false }`
[INFO] [stdout] 15d47b055f1a1aa65cc6c99e563738e70d9bb20b08b1a1e94391f759c3785938
[INFO] checking randomdude999/userbar-gen against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandomdude999%2Fuserbar-gen" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/randomdude999/userbar-gen 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/randomdude999/userbar-gen
[INFO] finished tweaking git repo https://github.com/randomdude999/userbar-gen
[INFO] tweaked toml for git repo https://github.com/randomdude999/userbar-gen written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/randomdude999/userbar-gen 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1a9612b46e21dfe7d246b5b12ba986785a67a9265ce0e2e0a9ce7890761feb10
[INFO] running `Command { std: "docker" "start" "-a" "1a9612b46e21dfe7d246b5b12ba986785a67a9265ce0e2e0a9ce7890761feb10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a9612b46e21dfe7d246b5b12ba986785a67a9265ce0e2e0a9ce7890761feb10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a9612b46e21dfe7d246b5b12ba986785a67a9265ce0e2e0a9ce7890761feb10", kill_on_drop: false }`
[INFO] [stdout] 1a9612b46e21dfe7d246b5b12ba986785a67a9265ce0e2e0a9ce7890761feb10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 55a99832101c807b2a63451973107d32730f08be793841f56dc3ec9835ec6ada
[INFO] running `Command { std: "docker" "start" "-a" "55a99832101c807b2a63451973107d32730f08be793841f56dc3ec9835ec6ada", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.91
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling bumpalo v3.15.3
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling wasm-bindgen v0.2.91
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking png v0.17.11
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.91
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.91
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.91
[INFO] [stderr]     Checking libuserbar v0.1.0 (/opt/rustwide/workdir/libuserbar)
[INFO] [stderr]     Checking userbar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.31s
[INFO] running `Command { std: "docker" "inspect" "55a99832101c807b2a63451973107d32730f08be793841f56dc3ec9835ec6ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55a99832101c807b2a63451973107d32730f08be793841f56dc3ec9835ec6ada", kill_on_drop: false }`
[INFO] [stdout] 55a99832101c807b2a63451973107d32730f08be793841f56dc3ec9835ec6ada