[INFO] fetching crate extcap 0.4.0...
[INFO] checking extcap-0.4.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate extcap 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate extcap 0.4.0 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 crates.io crate extcap 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate extcap 0.4.0
[INFO] tweaked toml for crates.io crate extcap 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate extcap 0.4.0 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 mio v0.8.0
[INFO] [stderr]   Downloaded libudev v0.2.0
[INFO] [stderr]   Downloaded derive-into-owned v0.1.0
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded ctrlc v3.2.1
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded simplelog v0.11.2
[INFO] [stderr]   Downloaded pcap-file v1.1.1
[INFO] [stderr]   Downloaded nix v0.23.0
[INFO] [stderr]   Downloaded clap v3.1.0
[INFO] [stderr]   Downloaded nix v0.22.0
[INFO] [stderr]   Downloaded libc v0.2.118
[INFO] [stderr]   Downloaded tokio-util v0.7.0
[INFO] [stderr]   Downloaded serialport v4.0.1
[INFO] [stderr]   Downloaded mio-serial v5.0.1
[INFO] [stderr]   Downloaded tokio-serial v5.4.1
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded socket2 v0.3.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5886c8f745869b5f6529ac9fcb2927316835ec0d27440a2c037268845e5c5dfd
[INFO] running `Command { std: "docker" "start" "-a" "5886c8f745869b5f6529ac9fcb2927316835ec0d27440a2c037268845e5c5dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5886c8f745869b5f6529ac9fcb2927316835ec0d27440a2c037268845e5c5dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5886c8f745869b5f6529ac9fcb2927316835ec0d27440a2c037268845e5c5dfd", kill_on_drop: false }`
[INFO] [stdout] 5886c8f745869b5f6529ac9fcb2927316835ec0d27440a2c037268845e5c5dfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] abb5512e7248f55f4210b72927a1d98d23fbd4feaba7d6412d80f20d92a2284a
[INFO] running `Command { std: "docker" "start" "-a" "abb5512e7248f55f4210b72927a1d98d23fbd4feaba7d6412d80f20d92a2284a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking clap v3.1.0
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling derive-into-owned v0.1.0
[INFO] [stderr]     Checking simplelog v0.11.2
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]     Checking serialport v4.0.1
[INFO] [stderr]     Checking ctrlc v3.2.1
[INFO] [stderr]     Checking mio-serial v5.0.1
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking pcap-file v1.1.1
[INFO] [stderr]     Checking extcap v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.7.0
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-serial v5.4.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.35s
[INFO] running `Command { std: "docker" "inspect" "abb5512e7248f55f4210b72927a1d98d23fbd4feaba7d6412d80f20d92a2284a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abb5512e7248f55f4210b72927a1d98d23fbd4feaba7d6412d80f20d92a2284a", kill_on_drop: false }`
[INFO] [stdout] abb5512e7248f55f4210b72927a1d98d23fbd4feaba7d6412d80f20d92a2284a