[INFO] fetching crate servar 0.1.0...
[INFO] checking servar-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate servar 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate servar 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 servar 0.1.0
[INFO] finished tweaking crates.io crate servar 0.1.0
[INFO] tweaked toml for crates.io crate servar 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate servar 0.1.0 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 build_html v2.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 062b5302817d9d9af09131c04c39507009b29668769f75aa6b2e28b4e80b5aab
[INFO] running `Command { std: "docker" "start" "-a" "062b5302817d9d9af09131c04c39507009b29668769f75aa6b2e28b4e80b5aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "062b5302817d9d9af09131c04c39507009b29668769f75aa6b2e28b4e80b5aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "062b5302817d9d9af09131c04c39507009b29668769f75aa6b2e28b4e80b5aab", kill_on_drop: false }`
[INFO] [stdout] 062b5302817d9d9af09131c04c39507009b29668769f75aa6b2e28b4e80b5aab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4d9555c3a04a45b5caf63128a0bdd10739fa9a1ad03b258f50552952c9b0cf23
[INFO] running `Command { std: "docker" "start" "-a" "4d9555c3a04a45b5caf63128a0bdd10739fa9a1ad03b258f50552952c9b0cf23", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking typenum v1.16.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]     Checking cpufeatures v0.2.8
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking rustls-pemfile v1.0.2
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking build_html v2.4.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking headers v0.3.8
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling pin-project-internal v1.1.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking pin-project v1.1.0
[INFO] [stderr]     Checking tungstenite v0.18.0
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tokio-tungstenite v0.18.0
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking warp v0.3.5
[INFO] [stderr]     Checking servar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.56s
[INFO] running `Command { std: "docker" "inspect" "4d9555c3a04a45b5caf63128a0bdd10739fa9a1ad03b258f50552952c9b0cf23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d9555c3a04a45b5caf63128a0bdd10739fa9a1ad03b258f50552952c9b0cf23", kill_on_drop: false }`
[INFO] [stdout] 4d9555c3a04a45b5caf63128a0bdd10739fa9a1ad03b258f50552952c9b0cf23