[INFO] fetching crate stellar 0.1.2-alpha...
[INFO] checking stellar-0.1.2-alpha against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate stellar 0.1.2-alpha into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate stellar 0.1.2-alpha on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stellar 0.1.2-alpha
[INFO] finished tweaking crates.io crate stellar 0.1.2-alpha
[INFO] tweaked toml for crates.io crate stellar 0.1.2-alpha written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6230c77e8f47047758eadd74dc4788741e9067c68b13e60f9732b9a6c528d0e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b6230c77e8f47047758eadd74dc4788741e9067c68b13e60f9732b9a6c528d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6230c77e8f47047758eadd74dc4788741e9067c68b13e60f9732b9a6c528d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6230c77e8f47047758eadd74dc4788741e9067c68b13e60f9732b9a6c528d0e", kill_on_drop: false }`
[INFO] [stdout] b6230c77e8f47047758eadd74dc4788741e9067c68b13e60f9732b9a6c528d0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c2f3efb85fc8365d0dad869f4990bdcbd75f34b3538d0953b1e8b2a825a938f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8c2f3efb85fc8365d0dad869f4990bdcbd75f34b3538d0953b1e8b2a825a938f", kill_on_drop: false }`
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking stellar v0.1.2-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `fee`
[INFO] [stdout]   --> src/transaction.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fee: Integer,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `source_account`
[INFO] [stdout]   --> src/transaction.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     source_account: KeyPair,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sequence_number`
[INFO] [stdout]   --> src/transaction.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     sequence_number: Long,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `operations`
[INFO] [stdout]   --> src/transaction.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     operations: Vec<Operation>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `memo`
[INFO] [stdout]   --> src/transaction.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     memo: Memo,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `signatures`
[INFO] [stdout]   --> src/transaction.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     signatures: Vec<()>, // TODO: Port DecoratedSignatures
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fee`
[INFO] [stdout]   --> src/transaction.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fee: Integer,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `source_account`
[INFO] [stdout]   --> src/transaction.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     source_account: KeyPair,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sequence_number`
[INFO] [stdout]   --> src/transaction.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     sequence_number: Long,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `operations`
[INFO] [stdout]   --> src/transaction.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     operations: Vec<Operation>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `memo`
[INFO] [stdout]   --> src/transaction.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     memo: Memo,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `signatures`
[INFO] [stdout]   --> src/transaction.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     signatures: Vec<()>, // TODO: Port DecoratedSignatures
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.97s
[INFO] running `Command { std: "docker" "inspect" "8c2f3efb85fc8365d0dad869f4990bdcbd75f34b3538d0953b1e8b2a825a938f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2f3efb85fc8365d0dad869f4990bdcbd75f34b3538d0953b1e8b2a825a938f", kill_on_drop: false }`
[INFO] [stdout] 8c2f3efb85fc8365d0dad869f4990bdcbd75f34b3538d0953b1e8b2a825a938f