[INFO] fetching crate faclair 0.1.0...
[INFO] checking faclair-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate faclair 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate faclair 0.1.0 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 faclair 0.1.0
[INFO] finished tweaking crates.io crate faclair 0.1.0
[INFO] tweaked toml for crates.io crate faclair 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 54 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding rustls v0.22.3 (latest: v0.23.4)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded ureq v2.9.6
[INFO] [stderr]   Downloaded rustls-webpki v0.102.2
[INFO] [stderr]   Downloaded rustls-pki-types v1.4.1
[INFO] [stderr]   Downloaded webpki-roots v0.26.1
[INFO] [stderr]   Downloaded rustls v0.22.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7d6188256cf56422c09a1a259b6e0a059b59e73dd7e650db607c34660ff985a5
[INFO] running `Command { std: "docker" "start" "-a" "7d6188256cf56422c09a1a259b6e0a059b59e73dd7e650db607c34660ff985a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d6188256cf56422c09a1a259b6e0a059b59e73dd7e650db607c34660ff985a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d6188256cf56422c09a1a259b6e0a059b59e73dd7e650db607c34660ff985a5", kill_on_drop: false }`
[INFO] [stdout] 7d6188256cf56422c09a1a259b6e0a059b59e73dd7e650db607c34660ff985a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cdb2f0e0e6893585877eea37c44747b5521c74e1ca8049f9bf212a2efab9bb2c
[INFO] running `Command { std: "docker" "start" "-a" "cdb2f0e0e6893585877eea37c44747b5521c74e1ca8049f9bf212a2efab9bb2c", kill_on_drop: false }`
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking rustls-pki-types v1.4.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling rustls v0.22.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking webpki-roots v0.26.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking rustls-webpki v0.102.2
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ureq v2.9.6
[INFO] [stderr]     Checking faclair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.26s
[INFO] running `Command { std: "docker" "inspect" "cdb2f0e0e6893585877eea37c44747b5521c74e1ca8049f9bf212a2efab9bb2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb2f0e0e6893585877eea37c44747b5521c74e1ca8049f9bf212a2efab9bb2c", kill_on_drop: false }`
[INFO] [stdout] cdb2f0e0e6893585877eea37c44747b5521c74e1ca8049f9bf212a2efab9bb2c