[INFO] fetching crate ruma-serde 0.6.1...
[INFO] checking ruma-serde-0.6.1 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate ruma-serde 0.6.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ruma-serde 0.6.1 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruma-serde 0.6.1
[INFO] finished tweaking crates.io crate ruma-serde 0.6.1
[INFO] tweaked toml for crates.io crate ruma-serde 0.6.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (latest: v3.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.9)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ruma-serde-macros v0.6.1
[INFO] [stderr]   Downloaded js_int v0.2.2
[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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3aa0689c50bb81905a9ed0c49bb297930abe8d46aedda04557697f18cc61adf2
[INFO] running `Command { std: "docker" "start" "-a" "3aa0689c50bb81905a9ed0c49bb297930abe8d46aedda04557697f18cc61adf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3aa0689c50bb81905a9ed0c49bb297930abe8d46aedda04557697f18cc61adf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aa0689c50bb81905a9ed0c49bb297930abe8d46aedda04557697f18cc61adf2", kill_on_drop: false }`
[INFO] [stdout] 3aa0689c50bb81905a9ed0c49bb297930abe8d46aedda04557697f18cc61adf2
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab715d720fbde058f7f328022890c19ff2d72702a8849de60f93345d84482a4c
[INFO] running `Command { std: "docker" "start" "-a" "ab715d720fbde058f7f328022890c19ff2d72702a8849de60f93345d84482a4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling ruma-serde-macros v0.6.1
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking js_int v0.2.2
[INFO] [stderr]     Checking ruma-serde v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `ruma_identifiers`
[INFO] [stdout]   --> tests/empty_strings.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     use ruma_identifiers::{user_id, UserId};
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ use of undeclared crate or module `ruma_identifiers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruma-serde` (test "empty_strings") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ab715d720fbde058f7f328022890c19ff2d72702a8849de60f93345d84482a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab715d720fbde058f7f328022890c19ff2d72702a8849de60f93345d84482a4c", kill_on_drop: false }`
[INFO] [stdout] ab715d720fbde058f7f328022890c19ff2d72702a8849de60f93345d84482a4c