[INFO] fetching crate btmgmt-cli 0.3.0-alpha.4...
[INFO] checking btmgmt-cli-0.3.0-alpha.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate btmgmt-cli 0.3.0-alpha.4 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate btmgmt-cli 0.3.0-alpha.4 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 crates.io crate btmgmt-cli 0.3.0-alpha.4
[INFO] finished tweaking crates.io crate btmgmt-cli 0.3.0-alpha.4
[INFO] tweaked toml for crates.io crate btmgmt-cli 0.3.0-alpha.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate btmgmt-cli 0.3.0-alpha.4 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 tokio-macros v1.6.0
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded mio v0.7.14
[INFO] [stderr]   Downloaded pin-project-lite v0.2.7
[INFO] [stderr]   Downloaded btmgmt-packet-helper v0.3.0-alpha.4
[INFO] [stderr]   Downloaded bdaddr v0.2.0-alpha.4
[INFO] [stderr]   Downloaded getset v0.1.2
[INFO] [stderr]   Downloaded anyhow v1.0.51
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] [stderr]   Downloaded libc v0.2.109
[INFO] [stderr]   Downloaded btmgmt-packet v0.3.0-alpha.4
[INFO] [stderr]   Downloaded tokio v1.14.0
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] [stderr]   Downloaded unicode-segmentation v1.8.0
[INFO] [stderr]   Downloaded indexmap v1.7.0
[INFO] [stderr]   Downloaded textwrap v0.14.2
[INFO] [stderr]   Downloaded clap v3.0.0-rc.0
[INFO] [stderr]   Downloaded futures-util v0.3.18
[INFO] [stderr]   Downloaded futures v0.3.18
[INFO] [stderr]   Downloaded btmgmt-packet-macros v0.3.0-alpha.4
[INFO] [stderr]   Downloaded aho-corasick v0.7.18
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded smallvec v1.7.0
[INFO] [stderr]   Downloaded socket2 v0.4.2
[INFO] [stderr]   Downloaded thiserror v1.0.30
[INFO] [stderr]   Downloaded btmgmt v0.3.0-alpha.4
[INFO] [stderr]   Downloaded clap_derive v3.0.0-rc.0
[INFO] [stderr]   Downloaded os_str_bytes v6.0.0
[INFO] [stderr]   Downloaded futures-executor v0.3.18
[INFO] [stderr]   Downloaded futures-channel v0.3.18
[INFO] [stderr]   Downloaded futures-core v0.3.18
[INFO] [stderr]   Downloaded futures-io v0.3.18
[INFO] [stderr]   Downloaded futures-macro v0.3.18
[INFO] [stderr]   Downloaded futures-task v0.3.18
[INFO] [stderr]   Downloaded slab v0.4.5
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded pretty_env_logger v0.4.0
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded derive-new v0.5.9
[INFO] [stderr]   Downloaded thiserror-impl v1.0.30
[INFO] [stderr]   Downloaded futures-sink v0.3.18
[INFO] [stderr]   Downloaded proc-macro2 v1.0.33
[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] ca6c4ee1aaad3e098fced957383fbf9a6bd1a15340d1782c6b25f8017a75271d
[INFO] running `Command { std: "docker" "start" "-a" "ca6c4ee1aaad3e098fced957383fbf9a6bd1a15340d1782c6b25f8017a75271d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca6c4ee1aaad3e098fced957383fbf9a6bd1a15340d1782c6b25f8017a75271d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca6c4ee1aaad3e098fced957383fbf9a6bd1a15340d1782c6b25f8017a75271d", kill_on_drop: false }`
[INFO] [stdout] ca6c4ee1aaad3e098fced957383fbf9a6bd1a15340d1782c6b25f8017a75271d
[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] 0b3f76bd9c0fbd8b32254b48d98e16e1d5447c23f862f5dc1796267451d0a7e7
[INFO] running `Command { std: "docker" "start" "-a" "0b3f76bd9c0fbd8b32254b48d98e16e1d5447c23f862f5dc1796267451d0a7e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling btmgmt-packet-macros v0.3.0-alpha.4
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling clap_derive v3.0.0-rc.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking btmgmt-packet-helper v0.3.0-alpha.4
[INFO] [stderr]     Checking bdaddr v0.2.0-alpha.4
[INFO] [stderr]     Checking btmgmt-packet v0.3.0-alpha.4
[INFO] [stderr]     Checking clap v3.0.0-rc.0
[INFO] [stderr]     Checking futures-executor v0.3.18
[INFO] [stderr]     Checking btmgmt v0.3.0-alpha.4
[INFO] [stderr]     Checking futures v0.3.18
[INFO] [stderr]     Checking btmgmt-cli v0.3.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.80s
[INFO] running `Command { std: "docker" "inspect" "0b3f76bd9c0fbd8b32254b48d98e16e1d5447c23f862f5dc1796267451d0a7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b3f76bd9c0fbd8b32254b48d98e16e1d5447c23f862f5dc1796267451d0a7e7", kill_on_drop: false }`
[INFO] [stdout] 0b3f76bd9c0fbd8b32254b48d98e16e1d5447c23f862f5dc1796267451d0a7e7
[INFO] checking btmgmt-cli-0.3.0-alpha.4 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate btmgmt-cli 0.3.0-alpha.4 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate btmgmt-cli 0.3.0-alpha.4 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 crates.io crate btmgmt-cli 0.3.0-alpha.4
[INFO] finished tweaking crates.io crate btmgmt-cli 0.3.0-alpha.4
[INFO] tweaked toml for crates.io crate btmgmt-cli 0.3.0-alpha.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate btmgmt-cli 0.3.0-alpha.4 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] b8d354df1987ce580e489e3a36d4d8562188992b0918209820b4be962633670c
[INFO] running `Command { std: "docker" "start" "-a" "b8d354df1987ce580e489e3a36d4d8562188992b0918209820b4be962633670c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8d354df1987ce580e489e3a36d4d8562188992b0918209820b4be962633670c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d354df1987ce580e489e3a36d4d8562188992b0918209820b4be962633670c", kill_on_drop: false }`
[INFO] [stdout] b8d354df1987ce580e489e3a36d4d8562188992b0918209820b4be962633670c
[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] db3762fd12d0bf55af56c7d2c35d2e2742e9098c4e28d7a46daaa442ad896cb4
[INFO] running `Command { std: "docker" "start" "-a" "db3762fd12d0bf55af56c7d2c35d2e2742e9098c4e28d7a46daaa442ad896cb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling btmgmt-packet-macros v0.3.0-alpha.4
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling clap_derive v3.0.0-rc.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking bdaddr v0.2.0-alpha.4
[INFO] [stderr]     Checking btmgmt-packet-helper v0.3.0-alpha.4
[INFO] [stderr]     Checking btmgmt-packet v0.3.0-alpha.4
[INFO] [stderr]     Checking clap v3.0.0-rc.0
[INFO] [stderr]     Checking futures-executor v0.3.18
[INFO] [stderr]     Checking btmgmt v0.3.0-alpha.4
[INFO] [stderr]     Checking futures v0.3.18
[INFO] [stderr]     Checking btmgmt-cli v0.3.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.28s
[INFO] running `Command { std: "docker" "inspect" "db3762fd12d0bf55af56c7d2c35d2e2742e9098c4e28d7a46daaa442ad896cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3762fd12d0bf55af56c7d2c35d2e2742e9098c4e28d7a46daaa442ad896cb4", kill_on_drop: false }`
[INFO] [stdout] db3762fd12d0bf55af56c7d2c35d2e2742e9098c4e28d7a46daaa442ad896cb4