[INFO] fetching crate singer 0.3.0...
[INFO] testing singer-0.3.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate singer 0.3.0 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate singer 0.3.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f5cc07996996199f6d0ef55b6f2448764097684897822263409fe9b894b7254
[INFO] running `Command { std: "docker" "start" "-a" "9f5cc07996996199f6d0ef55b6f2448764097684897822263409fe9b894b7254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f5cc07996996199f6d0ef55b6f2448764097684897822263409fe9b894b7254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f5cc07996996199f6d0ef55b6f2448764097684897822263409fe9b894b7254", kill_on_drop: false }`
[INFO] [stdout] 9f5cc07996996199f6d0ef55b6f2448764097684897822263409fe9b894b7254
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 905de30098f6fdfad026ceb84347ffdeeaefefa0b7b1221d3f4209f998b52a36
[INFO] running `Command { std: "docker" "start" "-a" "905de30098f6fdfad026ceb84347ffdeeaefefa0b7b1221d3f4209f998b52a36", kill_on_drop: false }`
[INFO] [stderr]    Compiling singer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "905de30098f6fdfad026ceb84347ffdeeaefefa0b7b1221d3f4209f998b52a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "905de30098f6fdfad026ceb84347ffdeeaefefa0b7b1221d3f4209f998b52a36", kill_on_drop: false }`
[INFO] [stdout] 905de30098f6fdfad026ceb84347ffdeeaefefa0b7b1221d3f4209f998b52a36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27b096329ab5df4fec7d24491178c709b15fe08a671697c6f186cae833fce3fc
[INFO] running `Command { std: "docker" "start" "-a" "27b096329ab5df4fec7d24491178c709b15fe08a671697c6f186cae833fce3fc", 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" "27b096329ab5df4fec7d24491178c709b15fe08a671697c6f186cae833fce3fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b096329ab5df4fec7d24491178c709b15fe08a671697c6f186cae833fce3fc", kill_on_drop: false }`
[INFO] [stdout] 27b096329ab5df4fec7d24491178c709b15fe08a671697c6f186cae833fce3fc