[INFO] fetching crate nat-detect 0.1.7...
[INFO] checking nat-detect-0.1.7 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate nat-detect 0.1.7 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate nat-detect 0.1.7 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 nat-detect 0.1.7
[INFO] finished tweaking crates.io crate nat-detect 0.1.7
[INFO] tweaked toml for crates.io crate nat-detect 0.1.7 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate nat-detect 0.1.7 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 hmac-sha1 v0.1.3
[INFO] [stderr]   Downloaded sha1 v0.2.0
[INFO] [stderr]   Downloaded num_threads v0.1.3
[INFO] [stderr]   Downloaded time-macros v0.2.3
[INFO] [stderr]   Downloaded trackable v1.2.0
[INFO] [stderr]   Downloaded clap_derive v3.1.0
[INFO] [stderr]   Downloaded stun_codec_blazh v0.1.13
[INFO] [stderr]   Downloaded time v0.3.7
[INFO] [stderr]   Downloaded clap v3.1.0
[INFO] [stderr]   Downloaded libc v0.2.118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 87eaf9040a624e27bf53f17721794d936d408b8b3f8bf0a605d311a44df4e5b1
[INFO] running `Command { std: "docker" "start" "-a" "87eaf9040a624e27bf53f17721794d936d408b8b3f8bf0a605d311a44df4e5b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87eaf9040a624e27bf53f17721794d936d408b8b3f8bf0a605d311a44df4e5b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87eaf9040a624e27bf53f17721794d936d408b8b3f8bf0a605d311a44df4e5b1", kill_on_drop: false }`
[INFO] [stdout] 87eaf9040a624e27bf53f17721794d936d408b8b3f8bf0a605d311a44df4e5b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1dc52c8b5cc1029f903296034222f4a978828ba20c641defae968ac55a3e35f1
[INFO] running `Command { std: "docker" "start" "-a" "1dc52c8b5cc1029f903296034222f4a978828ba20c641defae968ac55a3e35f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking num_threads v0.1.3
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling time-macros v0.2.3
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking hmac-sha1 v0.1.3
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking time v0.3.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking simple_logger v2.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling clap_derive v3.1.0
[INFO] [stderr]     Checking trackable v1.2.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking bytecodec v0.4.15
[INFO] [stderr]     Checking clap v3.1.0
[INFO] [stderr]     Checking stun_codec_blazh v0.1.13
[INFO] [stderr]     Checking nat-detect v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.86s
[INFO] running `Command { std: "docker" "inspect" "1dc52c8b5cc1029f903296034222f4a978828ba20c641defae968ac55a3e35f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc52c8b5cc1029f903296034222f4a978828ba20c641defae968ac55a3e35f1", kill_on_drop: false }`
[INFO] [stdout] 1dc52c8b5cc1029f903296034222f4a978828ba20c641defae968ac55a3e35f1