[INFO] cloning repository https://github.com/AnthonyUtt/assistant
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AnthonyUtt/assistant" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnthonyUtt%2Fassistant", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnthonyUtt%2Fassistant'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4b89808ca956d83aec1df705d30e0c497464047
[INFO] checking AnthonyUtt/assistant against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnthonyUtt%2Fassistant" "/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/AnthonyUtt/assistant 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] started tweaking git repo https://github.com/AnthonyUtt/assistant
[INFO] finished tweaking git repo https://github.com/AnthonyUtt/assistant
[INFO] tweaked toml for git repo https://github.com/AnthonyUtt/assistant written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AnthonyUtt/assistant 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-rustls v0.24.1
[INFO] [stderr]   Downloaded tokio-macros v2.2.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.71
[INFO] [stderr]   Downloaded socket2 v0.5.5
[INFO] [stderr]   Downloaded thiserror v1.0.51
[INFO] [stderr]   Downloaded core-foundation v0.9.4
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.6
[INFO] [stderr]   Downloaded flume v0.11.0
[INFO] [stderr]   Downloaded schannel v0.1.22
[INFO] [stderr]   Downloaded security-framework v2.9.2
[INFO] [stderr]   Downloaded base64 v0.21.5
[INFO] [stderr]   Downloaded rustls-webpki v0.101.7
[INFO] [stderr]   Downloaded libc v0.2.151
[INFO] [stderr]   Downloaded tokio v1.35.1
[INFO] [stderr]   Downloaded rustls v0.21.10
[INFO] [stderr]   Downloaded gimli v0.28.1
[INFO] [stderr]   Downloaded memchr v2.6.4
[INFO] [stderr]   Downloaded object v0.32.2
[INFO] [stderr]   Downloaded backtrace v0.3.69
[INFO] [stderr]   Downloaded mio v0.8.10
[INFO] [stderr]   Downloaded syn v2.0.42
[INFO] [stderr]   Downloaded miniz_oxide v0.7.1
[INFO] [stderr]   Downloaded bytes v1.5.0
[INFO] [stderr]   Downloaded security-framework-sys v2.9.1
[INFO] [stderr]   Downloaded rustls-native-certs v0.6.3
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.4
[INFO] [stderr]   Downloaded thiserror-impl v1.0.51
[INFO] [stderr]   Downloaded getrandom v0.2.11
[INFO] [stderr]   Downloaded scopeguard v1.2.0
[INFO] [stderr]   Downloaded lock_api v0.4.11
[INFO] [stderr]   Downloaded spin v0.9.8
[INFO] [stderr]   Downloaded ring v0.17.7
[INFO] [stderr]   Downloaded untrusted v0.9.0
[INFO] [stderr]   Downloaded sct v0.7.1
[INFO] [stderr]   Downloaded addr2line v0.21.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.23
[INFO] [stderr]   Downloaded pin-project-lite v0.2.13
[INFO] [stderr]   Downloaded rumqttc v0.23.0
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37a5f310e7a901ad2f384d5b0becbd1156600ae043a80ffb126c766c68b05a6f
[INFO] running `Command { std: "docker" "start" "-a" "37a5f310e7a901ad2f384d5b0becbd1156600ae043a80ffb126c766c68b05a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37a5f310e7a901ad2f384d5b0becbd1156600ae043a80ffb126c766c68b05a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a5f310e7a901ad2f384d5b0becbd1156600ae043a80ffb126c766c68b05a6f", kill_on_drop: false }`
[INFO] [stdout] 37a5f310e7a901ad2f384d5b0becbd1156600ae043a80ffb126c766c68b05a6f
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba23270e7e69bfb32eb326cddaa521d55de1df520d94cd31f696b9b6a354e6de
[INFO] running `Command { std: "docker" "start" "-a" "ba23270e7e69bfb32eb326cddaa521d55de1df520d94cd31f696b9b6a354e6de", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling thiserror v1.0.51
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]    Compiling syn v2.0.42
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.51
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking rumqttc v0.23.0
[INFO] [stderr]     Checking cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.21s
[INFO] running `Command { std: "docker" "inspect" "ba23270e7e69bfb32eb326cddaa521d55de1df520d94cd31f696b9b6a354e6de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba23270e7e69bfb32eb326cddaa521d55de1df520d94cd31f696b9b6a354e6de", kill_on_drop: false }`
[INFO] [stdout] ba23270e7e69bfb32eb326cddaa521d55de1df520d94cd31f696b9b6a354e6de