[INFO] updating cached repository tomsanbear/bathtub
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tomsanbear/bathtub
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tomsanbear/bathtub" "work/ex/beta-1.38-1/sources/1.37.0/gh/tomsanbear/bathtub"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tomsanbear/bathtub'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tomsanbear/bathtub" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomsanbear/bathtub"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomsanbear/bathtub'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ab1d994d756c4f8520aba52275e55de34a09e621
[INFO] sha for GitHub repo tomsanbear/bathtub: ab1d994d756c4f8520aba52275e55de34a09e621
[INFO] validating manifest of tomsanbear/bathtub on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tomsanbear/bathtub on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tomsanbear/bathtub
[INFO] finished frobbing tomsanbear/bathtub
[INFO] frobbed toml for tomsanbear/bathtub written to work/ex/beta-1.38-1/sources/1.37.0/gh/tomsanbear/bathtub/Cargo.toml
[INFO] started frobbing tomsanbear/bathtub
[INFO] finished frobbing tomsanbear/bathtub
[INFO] frobbed toml for tomsanbear/bathtub written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomsanbear/bathtub/Cargo.toml
[INFO] crate tomsanbear/bathtub already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tomsanbear/bathtub against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomsanbear/bathtub:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 0f6d8464f2060a0709a581c33eee5dd1333738c1529770af099bbec3207d6596
[INFO] running `"docker" "start" "-a" "0f6d8464f2060a0709a581c33eee5dd1333738c1529770af099bbec3207d6596"`
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling bytebuffer v0.2.1
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling crossbeam v0.7.1
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.18
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling bathtub v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `bytebuffer::ByteBuffer`
[INFO] [stderr]  --> src/broadcast.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use bytebuffer::ByteBuffer;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::net::UdpSocket`
[INFO] [stderr]  --> src/broadcast.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use tokio::net::UdpSocket;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Async`
[INFO] [stderr]  --> src/gossip/emitter.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures::{Async, Future, Poll};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/manifest.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |         Ok((Some(node.clone())))
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/node.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `manifest`
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let manifest = Arc::new(Manifest::new());
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_manifest`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/manifest.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |             Err(e) => return Err(err_msg("failed to get a ref to nodes")),
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/manifest.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Err(e) => return Err(err_msg("failed to get a ref to nodes")),
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/manifest.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 |             Err(e) => return Err(err_msg("failed to get a ref to nodes")),
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `msg`
[INFO] [stderr]  --> src/broadcast.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     msg: [u8; MAX_BUF_SIZE],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GossipListener`
[INFO] [stderr]  --> src/gossip/listener.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct GossipListener {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GossipQueue`
[INFO] [stderr]  --> src/gossip/queue.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct GossipQueue {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GossipEmitter`
[INFO] [stderr]  --> src/gossip/emitter.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct GossipEmitter {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GossipItem`
[INFO] [stderr]  --> src/gossip/item.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct GossipItem {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ManifestErrors`
[INFO] [stderr]  --> src/manifest.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | enum ManifestErrors {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `nodes`
[INFO] [stderr]   --> src/manifest.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     nodes: RwLock<HashMap<uuid::Uuid, Rc<Node>>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_node`
[INFO] [stderr]   --> src/manifest.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn add_node(&self, node: Node) -> Result<(), Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_node`
[INFO] [stderr]   --> src/manifest.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn get_node(&self, id: uuid::Uuid) -> Result<Option<Rc<Node>>, Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove_node`
[INFO] [stderr]   --> src/manifest.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn remove_node(&self, id: uuid::Uuid) -> Result<(), Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Alive`
[INFO] [stderr]   --> src/node.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Alive,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dead`
[INFO] [stderr]   --> src/node.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Dead,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Suspect`
[INFO] [stderr]   --> src/node.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Suspect,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `asCode`
[INFO] [stderr]   --> src/node.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn asCode(&self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fromCode`
[INFO] [stderr]   --> src/node.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn fromCode(ns: u8) -> Result<NodeState,()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/node.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn new(id: uuid::Uuid, addr: Ipv4Addr, port: u16, state: NodeState) -> Node {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_id`
[INFO] [stderr]   --> src/node.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn get_id(&self) -> uuid::Uuid {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pack`
[INFO] [stderr]   --> src/node.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn pack(&self) -> Bytes {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `asCode` should have a snake case name
[INFO] [stderr]   --> src/node.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn asCode(&self) -> u8 {
[INFO] [stderr]    |        ^^^^^^ help: convert the identifier to snake case: `as_code`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `fromCode` should have a snake case name
[INFO] [stderr]   --> src/node.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn fromCode(ns: u8) -> Result<NodeState,()> {
[INFO] [stderr]    |        ^^^^^^^^ help: convert the identifier to snake case: `from_code`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.13s
[INFO] running `"docker" "inspect" "0f6d8464f2060a0709a581c33eee5dd1333738c1529770af099bbec3207d6596"`
[INFO] running `"docker" "rm" "-f" "0f6d8464f2060a0709a581c33eee5dd1333738c1529770af099bbec3207d6596"`
[INFO] [stdout] 0f6d8464f2060a0709a581c33eee5dd1333738c1529770af099bbec3207d6596
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomsanbear/bathtub:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] f5450d20480c821fd77a22f279ff24da16bfb62709e8513f6d76e08fc0ef07a9
[INFO] running `"docker" "start" "-a" "f5450d20480c821fd77a22f279ff24da16bfb62709e8513f6d76e08fc0ef07a9"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bathtub v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `bytebuffer::ByteBuffer`
[INFO] [stderr]  --> src/broadcast.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use bytebuffer::ByteBuffer;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::net::UdpSocket`
[INFO] [stderr]  --> src/broadcast.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use tokio::net::UdpSocket;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Async`
[INFO] [stderr]  --> src/gossip/emitter.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures::{Async, Future, Poll};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/manifest.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |         Ok((Some(node.clone())))
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `IpAddr`
[INFO] [stderr]   --> src/manifest.rs:60:20
[INFO] [stderr]    |
[INFO] [stderr] 60 |     use std::net::{IpAddr, Ipv4Addr};
[INFO] [stderr]    |                    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/node.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `manifest`
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let manifest = Arc::new(Manifest::new());
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_manifest`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/manifest.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |             Err(e) => return Err(err_msg("failed to get a ref to nodes")),
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/manifest.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Err(e) => return Err(err_msg("failed to get a ref to nodes")),
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/manifest.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 |             Err(e) => return Err(err_msg("failed to get a ref to nodes")),
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `msg`
[INFO] [stderr]  --> src/broadcast.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     msg: [u8; MAX_BUF_SIZE],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GossipListener`
[INFO] [stderr]  --> src/gossip/listener.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct GossipListener {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GossipQueue`
[INFO] [stderr]  --> src/gossip/queue.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct GossipQueue {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GossipEmitter`
[INFO] [stderr]  --> src/gossip/emitter.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct GossipEmitter {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GossipItem`
[INFO] [stderr]  --> src/gossip/item.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct GossipItem {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ManifestErrors`
[INFO] [stderr]  --> src/manifest.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | enum ManifestErrors {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove_node`
[INFO] [stderr]   --> src/manifest.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn remove_node(&self, id: uuid::Uuid) -> Result<(), Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dead`
[INFO] [stderr]   --> src/node.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Dead,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Suspect`
[INFO] [stderr]   --> src/node.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Suspect,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `asCode`
[INFO] [stderr]   --> src/node.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn asCode(&self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fromCode`
[INFO] [stderr]   --> src/node.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn fromCode(ns: u8) -> Result<NodeState,()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pack`
[INFO] [stderr]   --> src/node.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn pack(&self) -> Bytes {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/manifest.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         manifest.add_node(test_node);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: method `asCode` should have a snake case name
[INFO] [stderr]   --> src/node.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn asCode(&self) -> u8 {
[INFO] [stderr]    |        ^^^^^^ help: convert the identifier to snake case: `as_code`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `fromCode` should have a snake case name
[INFO] [stderr]   --> src/node.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn fromCode(ns: u8) -> Result<NodeState,()> {
[INFO] [stderr]    |        ^^^^^^^^ help: convert the identifier to snake case: `from_code`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `"docker" "inspect" "f5450d20480c821fd77a22f279ff24da16bfb62709e8513f6d76e08fc0ef07a9"`
[INFO] running `"docker" "rm" "-f" "f5450d20480c821fd77a22f279ff24da16bfb62709e8513f6d76e08fc0ef07a9"`
[INFO] [stdout] f5450d20480c821fd77a22f279ff24da16bfb62709e8513f6d76e08fc0ef07a9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomsanbear/bathtub:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] cf7cec98b47220816a2bc252756668b39dfdb75d77cc64276292818abeaec97e
[INFO] running `"docker" "start" "-a" "cf7cec98b47220816a2bc252756668b39dfdb75d77cc64276292818abeaec97e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bathtub-dd7daa035dad941f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test manifest::tests::test_manifest_operations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cf7cec98b47220816a2bc252756668b39dfdb75d77cc64276292818abeaec97e"`
[INFO] running `"docker" "rm" "-f" "cf7cec98b47220816a2bc252756668b39dfdb75d77cc64276292818abeaec97e"`
[INFO] [stdout] cf7cec98b47220816a2bc252756668b39dfdb75d77cc64276292818abeaec97e