[INFO] fetching crate susydev-jsonrpc-derive 11.0.0...
[INFO] checking susydev-jsonrpc-derive-11.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate susydev-jsonrpc-derive 11.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate susydev-jsonrpc-derive 11.0.0
[INFO] finished tweaking crates.io crate susydev-jsonrpc-derive 11.0.0
[INFO] tweaked toml for crates.io crate susydev-jsonrpc-derive 11.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate susydev-jsonrpc-derive 11.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 148 packages to latest compatible versions
[INFO] [stderr]       Adding compiletest_rs v0.3.26 (available: v0.11.2)
[INFO] [stderr]       Adding proc-macro-crate v0.1.5 (available: v3.4.0)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.103)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.42)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.110)
[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] 327e111f1f9834c90dd86d8c2f4175c008fe4dfa47f057b953d3c1e4d44009de
[INFO] running `Command { std: "docker" "start" "-a" "327e111f1f9834c90dd86d8c2f4175c008fe4dfa47f057b953d3c1e4d44009de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "327e111f1f9834c90dd86d8c2f4175c008fe4dfa47f057b953d3c1e4d44009de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327e111f1f9834c90dd86d8c2f4175c008fe4dfa47f057b953d3c1e4d44009de", kill_on_drop: false }`
[INFO] [stdout] 327e111f1f9834c90dd86d8c2f4175c008fe4dfa47f057b953d3c1e4d44009de
[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] 131f4d435e23150c72825738eb2ea14c70010194cb09f4d6009afb2a188f5432
[INFO] running `Command { std: "docker" "start" "-a" "131f4d435e23150c72825738eb2ea14c70010194cb09f4d6009afb2a188f5432", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling compiletest_rs v0.3.26
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tester v0.6.0
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking filetime v0.2.26
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking globset v0.4.18
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]     Checking susydev-jsonrpc-core v11.0.0
[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stderr]     Checking susydev-jsonrpc-server-utils v11.0.0
[INFO] [stderr]     Checking susydev-jsonrpc-pubsub v11.0.0
[INFO] [stderr]     Checking susydev-jsonrpc-client v11.0.0
[INFO] [stderr]     Checking susydev-jsonrpc-tcp-server v11.0.0
[INFO] [stderr]     Checking proc-macro-crate v0.1.5
[INFO] [stderr]     Checking susydev-jsonrpc-derive v11.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: pubsub methods are currently not supported in the generated client.
[INFO] [stdout] warning: pubsub methods are currently not supported in the generated client.
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, MyError>
[INFO] [stdout]   --> tests/macros.rs:33:47
[INFO] [stdout]    |
[INFO] [stdout] 33 |       fn protocol_version(&self) -> Result<String> {
[INFO] [stdout]    |  __________________________________________________^
[INFO] [stdout] 34 | |         Ok("version1".into())
[INFO] [stdout] 35 | |     }
[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: std::result::Result<std::string::String, MyError>
[INFO] [stdout]   --> tests/macros.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Ok("version1".into())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, MyError>
[INFO] [stdout]   --> tests/macros.rs:37:39
[INFO] [stdout]    |
[INFO] [stdout] 37 |       fn neg(&self, a: i64) -> Result<i64> {
[INFO] [stdout]    |  __________________________________________^
[INFO] [stdout] 38 | |         Ok(-a)
[INFO] [stdout] 39 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, MyError>
[INFO] [stdout]   --> tests/macros.rs:38:3
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Ok(-a)
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<u64, MyError>
[INFO] [stdout]   --> tests/macros.rs:41:47
[INFO] [stdout]    |
[INFO] [stdout] 41 |       fn add(&self, a: u64, b: u64) -> Result<u64> {
[INFO] [stdout]    |  __________________________________________________^
[INFO] [stdout] 42 | |         Ok(a + b)
[INFO] [stdout] 43 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<u64, MyError>
[INFO] [stdout]   --> tests/macros.rs:42:3
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Ok(a + b)
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, MyError>
[INFO] [stdout]   --> tests/macros.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[rpc]
[INFO] [stdout]    | ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `rpc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, MyError>
[INFO] [stdout]   --> tests/macros.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[rpc]
[INFO] [stdout]    | ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `rpc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<u64, MyError>
[INFO] [stdout]   --> tests/macros.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[rpc]
[INFO] [stdout]    | ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `rpc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `susydev-jsonrpc-derive` (test "macros") due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, MyError>
[INFO] [stdout]   --> tests/pubsub-macros.rs:48:92
[INFO] [stdout]    |
[INFO] [stdout] 48 |       fn unsubscribe(&self, _meta: Option<Self::Metadata>, _id: SubscriptionId) -> Result<bool> {
[INFO] [stdout]    |  _______________________________________________________________________________________________^
[INFO] [stdout] 49 | |         Ok(true)
[INFO] [stdout] 50 | |     }
[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: std::result::Result<bool, MyError>
[INFO] [stdout]   --> tests/pubsub-macros.rs:49:3
[INFO] [stdout]    |
[INFO] [stdout] 49 |         Ok(true)
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<u64, MyError>
[INFO] [stdout]   --> tests/pubsub-macros.rs:52:47
[INFO] [stdout]    |
[INFO] [stdout] 52 |       fn add(&self, a: u64, b: u64) -> Result<u64> {
[INFO] [stdout]    |  __________________________________________________^
[INFO] [stdout] 53 | |         Ok(a + b)
[INFO] [stdout] 54 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<u64, MyError>
[INFO] [stdout]   --> tests/pubsub-macros.rs:53:3
[INFO] [stdout]    |
[INFO] [stdout] 53 |         Ok(a + b)
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<u64, MyError>
[INFO] [stdout]   --> tests/pubsub-macros.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[rpc]
[INFO] [stdout]    | ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `rpc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, MyError>
[INFO] [stdout]   --> tests/pubsub-macros.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[rpc]
[INFO] [stdout]    | ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `rpc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `susydev-jsonrpc-derive` (test "pubsub-macros") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "131f4d435e23150c72825738eb2ea14c70010194cb09f4d6009afb2a188f5432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "131f4d435e23150c72825738eb2ea14c70010194cb09f4d6009afb2a188f5432", kill_on_drop: false }`
[INFO] [stdout] 131f4d435e23150c72825738eb2ea14c70010194cb09f4d6009afb2a188f5432
