[INFO] fetching crate singer 0.3.0...
[INFO] testing singer-0.3.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate singer 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate singer 0.3.0
[INFO] finished tweaking crates.io crate singer 0.3.0
[INFO] tweaked toml for crates.io crate singer 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate singer 0.3.0 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 11 packages to latest compatible versions
[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] 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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1aa87fa8e9cd1c3874a6e38171c589aed4f3a7d65d0eacdc97fe363b71c74d96
[INFO] running `Command { std: "docker" "start" "-a" "1aa87fa8e9cd1c3874a6e38171c589aed4f3a7d65d0eacdc97fe363b71c74d96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1aa87fa8e9cd1c3874a6e38171c589aed4f3a7d65d0eacdc97fe363b71c74d96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aa87fa8e9cd1c3874a6e38171c589aed4f3a7d65d0eacdc97fe363b71c74d96", kill_on_drop: false }`
[INFO] [stdout] 1aa87fa8e9cd1c3874a6e38171c589aed4f3a7d65d0eacdc97fe363b71c74d96
[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=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] f0aa820c019a8769f428ca6a76310d9bf4b62f5bb213e592b42c73b308dea959
[INFO] running `Command { std: "docker" "start" "-a" "f0aa820c019a8769f428ca6a76310d9bf4b62f5bb213e592b42c73b308dea959", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling singer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "f0aa820c019a8769f428ca6a76310d9bf4b62f5bb213e592b42c73b308dea959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0aa820c019a8769f428ca6a76310d9bf4b62f5bb213e592b42c73b308dea959", kill_on_drop: false }`
[INFO] [stdout] f0aa820c019a8769f428ca6a76310d9bf4b62f5bb213e592b42c73b308dea959
[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=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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f00271343bddf5977ba5c782bf6772a8d50618d649a8dcd3b67117db90029161
[INFO] running `Command { std: "docker" "start" "-a" "f00271343bddf5977ba5c782bf6772a8d50618d649a8dcd3b67117db90029161", kill_on_drop: false }`
[INFO] [stderr]    Compiling singer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0063]: missing field `version` in initializer of `Record`
[INFO] [stdout]   --> src/messages.rs:58:40
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let expected = Message::Record(Record {
[INFO] [stdout]    |                                        ^^^^^^ missing `version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `singer` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f00271343bddf5977ba5c782bf6772a8d50618d649a8dcd3b67117db90029161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00271343bddf5977ba5c782bf6772a8d50618d649a8dcd3b67117db90029161", kill_on_drop: false }`
[INFO] [stdout] f00271343bddf5977ba5c782bf6772a8d50618d649a8dcd3b67117db90029161
