[INFO] cloning repository https://github.com/bachm44/cryptcoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bachm44/cryptcoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbachm44%2Fcryptcoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbachm44%2Fcryptcoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 238ad6e755d6c4c4617a9fa4263d50ba4ee011ef
[INFO] checking bachm44/cryptcoin against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbachm44%2Fcryptcoin" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bachm44/cryptcoin
[INFO] finished tweaking git repo https://github.com/bachm44/cryptcoin
[INFO] tweaked toml for git repo https://github.com/bachm44/cryptcoin written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bachm44/cryptcoin on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bachm44/cryptcoin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef2960ce2a9022904a4be8661109fa761c7e13f7ad9f6ee1530add95a7d5dc33
[INFO] running `Command { std: "docker" "start" "-a" "ef2960ce2a9022904a4be8661109fa761c7e13f7ad9f6ee1530add95a7d5dc33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef2960ce2a9022904a4be8661109fa761c7e13f7ad9f6ee1530add95a7d5dc33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2960ce2a9022904a4be8661109fa761c7e13f7ad9f6ee1530add95a7d5dc33", kill_on_drop: false }`
[INFO] [stdout] ef2960ce2a9022904a4be8661109fa761c7e13f7ad9f6ee1530add95a7d5dc33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c2701871e15d8b4ba0fc734facb3bfd85812f3735d0ff8c72ec62f039df34a8
[INFO] running `Command { std: "docker" "start" "-a" "9c2701871e15d8b4ba0fc734facb3bfd85812f3735d0ff8c72ec62f039df34a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking const-oid v0.6.2
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking signature v1.5.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking base64ct v1.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.75
[INFO] [stderr]     Checking pem-rfc7468 v0.2.4
[INFO] [stderr]     Checking ed25519 v1.3.0
[INFO] [stderr]    Compiling num-bigint-dig v0.7.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking fastrand v1.6.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking base64-url v1.4.10
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking block-buffer v0.10.0
[INFO] [stderr]     Checking crypto-common v0.1.1
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking digest v0.10.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking sha2 v0.10.1
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crypto-bigint v0.2.11
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking blocking v1.1.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking nuid v0.3.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking der v0.4.5
[INFO] [stderr]    Compiling zeroize_derive v1.3.1
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking spki v0.4.1
[INFO] [stderr]     Checking pkcs1 v0.2.4
[INFO] [stderr]     Checking signatory v0.21.0
[INFO] [stderr]     Checking pkcs8 v0.7.6
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking nkeys v0.1.0
[INFO] [stderr]     Checking rsa v0.5.0
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking nats v0.16.0
[INFO] [stderr]     Checking cryptcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<messaging::messaging::Message, messaging::messaging::Error>
[INFO] [stdout]    --> src/messaging/messaging.rs:137:63
[INFO] [stdout]     |
[INFO] [stdout] 137 |       fn publish(&self, msg: Message) -> Result<Message, Error> {
[INFO] [stdout]     |  _______________________________________________________________^
[INFO] [stdout] 138 | |         Ok(msg)
[INFO] [stdout] 139 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<messaging::messaging::Message, messaging::messaging::Error>
[INFO] [stdout]    --> src/messaging/messaging.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         Ok(msg)
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<messaging::messaging::Message, messaging::messaging::Error>
[INFO] [stdout]    --> src/messaging/messaging.rs:141:50
[INFO] [stdout]     |
[INFO] [stdout] 141 |       fn get_last(&self) -> Result<Message, Error> {
[INFO] [stdout]     |  __________________________________________________^
[INFO] [stdout] 142 | |         Ok(Message {
[INFO] [stdout] 143 | |             payload: String::from(""),
[INFO] [stdout] 144 | |         })
[INFO] [stdout] 145 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<messaging::messaging::Message, messaging::messaging::Error>
[INFO] [stdout]    --> src/messaging/messaging.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 | /         Ok(Message {
[INFO] [stdout] 143 | |             payload: String::from(""),
[INFO] [stdout] 144 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<messaging::messaging::Message, messaging::messaging::Error>
[INFO] [stdout]    --> src/messaging/messaging.rs:137:63
[INFO] [stdout]     |
[INFO] [stdout] 137 |       fn publish(&self, msg: Message) -> Result<Message, Error> {
[INFO] [stdout]     |  _______________________________________________________________^
[INFO] [stdout] 138 | |         Ok(msg)
[INFO] [stdout] 139 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<messaging::messaging::Message, messaging::messaging::Error>
[INFO] [stdout]    --> src/messaging/messaging.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         Ok(msg)
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<messaging::messaging::Message, messaging::messaging::Error>
[INFO] [stdout]    --> src/messaging/messaging.rs:141:50
[INFO] [stdout]     |
[INFO] [stdout] 141 |       fn get_last(&self) -> Result<Message, Error> {
[INFO] [stdout]     |  __________________________________________________^
[INFO] [stdout] 142 | |         Ok(Message {
[INFO] [stdout] 143 | |             payload: String::from(""),
[INFO] [stdout] 144 | |         })
[INFO] [stdout] 145 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<messaging::messaging::Message, messaging::messaging::Error>
[INFO] [stdout]    --> src/messaging/messaging.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 | /         Ok(Message {
[INFO] [stdout] 143 | |             payload: String::from(""),
[INFO] [stdout] 144 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cryptcoin` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cryptcoin` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "9c2701871e15d8b4ba0fc734facb3bfd85812f3735d0ff8c72ec62f039df34a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c2701871e15d8b4ba0fc734facb3bfd85812f3735d0ff8c72ec62f039df34a8", kill_on_drop: false }`
[INFO] [stdout] 9c2701871e15d8b4ba0fc734facb3bfd85812f3735d0ff8c72ec62f039df34a8
