[INFO] fetching crate stellar 0.1.2-alpha...
[INFO] checking stellar-0.1.2-alpha against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate stellar 0.1.2-alpha into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate stellar 0.1.2-alpha on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efb750ca178be2cb815e5a4d42c027e2d64d1230e9c16a99dd9e40d40a988a7d
[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" "efb750ca178be2cb815e5a4d42c027e2d64d1230e9c16a99dd9e40d40a988a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efb750ca178be2cb815e5a4d42c027e2d64d1230e9c16a99dd9e40d40a988a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efb750ca178be2cb815e5a4d42c027e2d64d1230e9c16a99dd9e40d40a988a7d", kill_on_drop: false }`
[INFO] [stdout] efb750ca178be2cb815e5a4d42c027e2d64d1230e9c16a99dd9e40d40a988a7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 015a6b304fccb62932c7a2363df909989c434db697782efdccaf4e2d5a6af566
[INFO] running `Command { std: "docker" "start" "-a" "015a6b304fccb62932c7a2363df909989c434db697782efdccaf4e2d5a6af566", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.3.23
[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: 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.27s
[INFO] running `Command { std: "docker" "inspect" "015a6b304fccb62932c7a2363df909989c434db697782efdccaf4e2d5a6af566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "015a6b304fccb62932c7a2363df909989c434db697782efdccaf4e2d5a6af566", kill_on_drop: false }`
[INFO] [stdout] 015a6b304fccb62932c7a2363df909989c434db697782efdccaf4e2d5a6af566