[INFO] fetching crate singer 0.3.0...
[INFO] testing singer-0.3.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate singer 0.3.0 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate singer 0.3.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ceb5fb3c19d412d8bef1d615bc9d90750f4e371a5b9c12c9576c766683dccb5
[INFO] running `Command { std: "docker" "start" "-a" "6ceb5fb3c19d412d8bef1d615bc9d90750f4e371a5b9c12c9576c766683dccb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ceb5fb3c19d412d8bef1d615bc9d90750f4e371a5b9c12c9576c766683dccb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ceb5fb3c19d412d8bef1d615bc9d90750f4e371a5b9c12c9576c766683dccb5", kill_on_drop: false }`
[INFO] [stdout] 6ceb5fb3c19d412d8bef1d615bc9d90750f4e371a5b9c12c9576c766683dccb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 210090f660b16a2129c75682fa57ef667b3d634563acb75d3b3d87748d51e2e9
[INFO] running `Command { std: "docker" "start" "-a" "210090f660b16a2129c75682fa57ef667b3d634563acb75d3b3d87748d51e2e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling singer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "210090f660b16a2129c75682fa57ef667b3d634563acb75d3b3d87748d51e2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "210090f660b16a2129c75682fa57ef667b3d634563acb75d3b3d87748d51e2e9", kill_on_drop: false }`
[INFO] [stdout] 210090f660b16a2129c75682fa57ef667b3d634563acb75d3b3d87748d51e2e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 05f5e9384b0db83f5610a77605dc0eedb3919277f03d14525206877ced259d0e
[INFO] running `Command { std: "docker" "start" "-a" "05f5e9384b0db83f5610a77605dc0eedb3919277f03d14525206877ced259d0e", 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" "05f5e9384b0db83f5610a77605dc0eedb3919277f03d14525206877ced259d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f5e9384b0db83f5610a77605dc0eedb3919277f03d14525206877ced259d0e", kill_on_drop: false }`
[INFO] [stdout] 05f5e9384b0db83f5610a77605dc0eedb3919277f03d14525206877ced259d0e