[INFO] cloning repository https://github.com/d86leader/wzmach
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d86leader/wzmach" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd86leader%2Fwzmach", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd86leader%2Fwzmach'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 413bb4e63faf4ff33ad3ad01f5167440f2faff7b
[INFO] checking d86leader/wzmach against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd86leader%2Fwzmach" "/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/d86leader/wzmach 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/d86leader/wzmach
[INFO] finished tweaking git repo https://github.com/d86leader/wzmach
[INFO] tweaked toml for git repo https://github.com/d86leader/wzmach written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/d86leader/wzmach 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uinput-sys v0.1.7
[INFO] [stderr]   Downloaded uinput v0.1.3
[INFO] [stderr]   Downloaded enum_derive v0.1.7
[INFO] [stderr]   Downloaded ioctl-sys v0.5.2
[INFO] [stderr]   Downloaded nix v0.10.0
[INFO] [stderr]   Downloaded udev v0.6.3
[INFO] [stderr]   Downloaded input v0.7.1
[INFO] [stderr]   Downloaded dbus v0.9.6
[INFO] [stderr]   Downloaded mac-notification-sys v0.5.5
[INFO] [stderr]   Downloaded ron v0.8.0
[INFO] [stderr]   Downloaded input-sys v1.16.1
[INFO] [stderr]   Downloaded sorted-vec v0.8.0
[INFO] [stderr]   Downloaded bpaf v0.5.7
[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] 9141310d83efa4a085c69818e385ded3c54621da8651014ad1213c0c406dc01b
[INFO] running `Command { std: "docker" "start" "-a" "9141310d83efa4a085c69818e385ded3c54621da8651014ad1213c0c406dc01b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9141310d83efa4a085c69818e385ded3c54621da8651014ad1213c0c406dc01b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9141310d83efa4a085c69818e385ded3c54621da8651014ad1213c0c406dc01b", kill_on_drop: false }`
[INFO] [stdout] 9141310d83efa4a085c69818e385ded3c54621da8651014ad1213c0c406dc01b
[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] 108cee62c98fa70e17f03dec6ff67761ca25e62bd15ae7c4b6a2f38d7f5a5e27
[INFO] running `Command { std: "docker" "start" "-a" "108cee62c98fa70e17f03dec6ff67761ca25e62bd15ae7c4b6a2f38d7f5a5e27", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling input-sys v1.16.1
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking ioctl-sys v0.5.2
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking enum_derive v0.1.7
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking bpaf v0.5.7
[INFO] [stderr]     Checking sorted-vec v0.8.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling libdbus-sys v0.2.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking dbus v0.9.6
[INFO] [stderr]     Checking uinput-sys v0.1.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.24.1
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking udev v0.6.3
[INFO] [stderr]     Checking input v0.7.1
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]     Checking notify-rust v4.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]     Checking uinput v0.1.3
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking ron v0.8.0
[INFO] [stderr]     Checking wzmach v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.65s
[INFO] running `Command { std: "docker" "inspect" "108cee62c98fa70e17f03dec6ff67761ca25e62bd15ae7c4b6a2f38d7f5a5e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "108cee62c98fa70e17f03dec6ff67761ca25e62bd15ae7c4b6a2f38d7f5a5e27", kill_on_drop: false }`
[INFO] [stdout] 108cee62c98fa70e17f03dec6ff67761ca25e62bd15ae7c4b6a2f38d7f5a5e27
[INFO] checking d86leader/wzmach against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd86leader%2Fwzmach" "/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/d86leader/wzmach 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/d86leader/wzmach
[INFO] finished tweaking git repo https://github.com/d86leader/wzmach
[INFO] tweaked toml for git repo https://github.com/d86leader/wzmach written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/d86leader/wzmach 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] 7e98247b23403ff98c874122aae279151a0a5fb7f3b03f695078615f4e2862a2
[INFO] running `Command { std: "docker" "start" "-a" "7e98247b23403ff98c874122aae279151a0a5fb7f3b03f695078615f4e2862a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e98247b23403ff98c874122aae279151a0a5fb7f3b03f695078615f4e2862a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e98247b23403ff98c874122aae279151a0a5fb7f3b03f695078615f4e2862a2", kill_on_drop: false }`
[INFO] [stdout] 7e98247b23403ff98c874122aae279151a0a5fb7f3b03f695078615f4e2862a2
[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] beadf7bc1744379416a35fd339776314f102df2dad8a1c00bdcb9390fc3d061a
[INFO] running `Command { std: "docker" "start" "-a" "beadf7bc1744379416a35fd339776314f102df2dad8a1c00bdcb9390fc3d061a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling input-sys v1.16.1
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking ioctl-sys v0.5.2
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking enum_derive v0.1.7
[INFO] [stderr]     Checking bpaf v0.5.7
[INFO] [stderr]     Checking sorted-vec v0.8.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking uinput-sys v0.1.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dbus v0.9.6
[INFO] [stderr]     Checking nix v0.24.1
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking udev v0.6.3
[INFO] [stderr]     Checking input v0.7.1
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]     Checking notify-rust v4.5.8
[INFO] [stderr]     Checking uinput v0.1.3
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking ron v0.8.0
[INFO] [stderr]     Checking wzmach v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.32s
[INFO] running `Command { std: "docker" "inspect" "beadf7bc1744379416a35fd339776314f102df2dad8a1c00bdcb9390fc3d061a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beadf7bc1744379416a35fd339776314f102df2dad8a1c00bdcb9390fc3d061a", kill_on_drop: false }`
[INFO] [stdout] beadf7bc1744379416a35fd339776314f102df2dad8a1c00bdcb9390fc3d061a