[INFO] fetching crate scryfall-client 0.1.0...
[INFO] testing scryfall-client-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate scryfall-client 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate scryfall-client 0.1.0
[INFO] finished tweaking crates.io crate scryfall-client 0.1.0
[INFO] tweaked toml for crates.io crate scryfall-client 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scryfall-client 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 168 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding reqwest v0.10.10 (available: v0.12.24)
[INFO] [stderr]       Adding tokio-test v0.2.1 (available: v0.4.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper-tls v0.4.3
[INFO] [stderr]   Downloaded tokio-tls v0.3.1
[INFO] [stderr]   Downloaded tokio-test v0.2.1
[INFO] [stderr]   Downloaded reqwest v0.10.10
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ea222c84af7d4015209342e179c053292236296face28a8d35d667b78fbebbe
[INFO] running `Command { std: "docker" "start" "-a" "5ea222c84af7d4015209342e179c053292236296face28a8d35d667b78fbebbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ea222c84af7d4015209342e179c053292236296face28a8d35d667b78fbebbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea222c84af7d4015209342e179c053292236296face28a8d35d667b78fbebbe", kill_on_drop: false }`
[INFO] [stdout] 5ea222c84af7d4015209342e179c053292236296face28a8d35d667b78fbebbe
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6732212b752c3f3b66d44497db91eafa9512d6b1376d72f63471f2265964ad02
[INFO] running `Command { std: "docker" "start" "-a" "6732212b752c3f3b66d44497db91eafa9512d6b1376d72f63471f2265964ad02", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.110
[INFO] [stderr]    Compiling openssl v0.10.74
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.1
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.10
[INFO] [stderr]    Compiling scryfall-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `serde::export`
[INFO] [stdout]  --> src/card/border_color.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::export::Formatter;
[INFO] [stdout]   |            ^^^^^^ could not find `export` in `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serde::export`
[INFO] [stdout]  --> src/card/rarity.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::export::Formatter;
[INFO] [stdout]   |            ^^^^^^ could not find `export` in `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serde::export`
[INFO] [stdout]  --> src/card/color.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::export::Formatter;
[INFO] [stdout]   |            ^^^^^^ could not find `export` in `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serde::export`
[INFO] [stdout]  --> src/card/legality.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::export::Formatter;
[INFO] [stdout]   |            ^^^^^^ could not find `export` in `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serde::export`
[INFO] [stdout]  --> src/card/mana_cost.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::export::Formatter;
[INFO] [stdout]   |            ^^^^^^ could not find `export` in `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serde::export`
[INFO] [stdout]   --> src/client/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | use serde::export::Formatter;
[INFO] [stdout]    |            ^^^^^^ could not find `export` in `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serde::export`
[INFO] [stdout]  --> src/search_builder/mod.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::export::Formatter;
[INFO] [stdout]   |            ^^^^^^ could not find `export` in `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/cache/cache_iterator.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut result: Option<Card> = None;
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scryfall-client` (lib) due to 7 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6732212b752c3f3b66d44497db91eafa9512d6b1376d72f63471f2265964ad02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6732212b752c3f3b66d44497db91eafa9512d6b1376d72f63471f2265964ad02", kill_on_drop: false }`
[INFO] [stdout] 6732212b752c3f3b66d44497db91eafa9512d6b1376d72f63471f2265964ad02
