[INFO] cloning repository https://github.com/SebRollen/vila
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SebRollen/vila" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebRollen%2Fvila", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebRollen%2Fvila'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3926b306014b225c1d5d56d3445799498c5307ce
[INFO] checking SebRollen/vila against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebRollen%2Fvila" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SebRollen/vila 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 git repo https://github.com/SebRollen/vila
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/SebRollen/vila
[INFO] tweaked toml for git repo https://github.com/SebRollen/vila written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SebRollen/vila 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 indicatif v0.17.0-beta.1
[INFO] [stderr]   Downloaded stream-flatten-iters v0.2.0
[INFO] [stderr]   Downloaded wiremock v0.5.8
[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] 270b2fd9720042a9d429a74202a2e3179753ba1fa1759ab392eb10fc90f7a8b4
[INFO] running `Command { std: "docker" "start" "-a" "270b2fd9720042a9d429a74202a2e3179753ba1fa1759ab392eb10fc90f7a8b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "270b2fd9720042a9d429a74202a2e3179753ba1fa1759ab392eb10fc90f7a8b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270b2fd9720042a9d429a74202a2e3179753ba1fa1759ab392eb10fc90f7a8b4", kill_on_drop: false }`
[INFO] [stdout] 270b2fd9720042a9d429a74202a2e3179753ba1fa1759ab392eb10fc90f7a8b4
[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] 230857f6446d382c642285db5fb94bfe4536df4243c4564a043ae7156da8b811
[INFO] running `Command { std: "docker" "start" "-a" "230857f6446d382c642285db5fb94bfe4536df4243c4564a043ae7156da8b811", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.70
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.10
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[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking httpdate v1.0.1
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[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling encoding_rs v0.8.29
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[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tokio-macros v1.5.1
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking futures-util v0.3.17
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking stream-flatten-iters v0.2.0
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[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking config v0.10.1
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[INFO] [stderr]     Checking reqwest v0.11.6
[INFO] [stderr]     Checking vila v3.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> examples/pagination.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Passenger {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 33 |     name: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Passenger` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `total_passengers` is never read
[INFO] [stdout]   --> examples/pagination.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct PassengersWrapper {
[INFO] [stdout]    |        ----------------- field in this struct
[INFO] [stdout] 39 |     total_passengers: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PassengersWrapper` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.58s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "230857f6446d382c642285db5fb94bfe4536df4243c4564a043ae7156da8b811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "230857f6446d382c642285db5fb94bfe4536df4243c4564a043ae7156da8b811", kill_on_drop: false }`
[INFO] [stdout] 230857f6446d382c642285db5fb94bfe4536df4243c4564a043ae7156da8b811