[INFO] fetching crate ruma-federation-api 0.0.3...
[INFO] checking ruma-federation-api-0.0.3 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate ruma-federation-api 0.0.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ruma-federation-api 0.0.3 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruma-federation-api 0.0.3
[INFO] finished tweaking crates.io crate ruma-federation-api 0.0.3
[INFO] tweaked toml for crates.io crate ruma-federation-api 0.0.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ruma-common v0.2.0
[INFO] [stderr]   Downloaded ruma-events-macros v0.22.0-alpha.1
[INFO] [stderr]   Downloaded ruma-events v0.22.0-alpha.1
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e0385edc99e1e1021d17962d759b2daae8cb25c88fc303efb0024406e2d7a74
[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" "9e0385edc99e1e1021d17962d759b2daae8cb25c88fc303efb0024406e2d7a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e0385edc99e1e1021d17962d759b2daae8cb25c88fc303efb0024406e2d7a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0385edc99e1e1021d17962d759b2daae8cb25c88fc303efb0024406e2d7a74", kill_on_drop: false }`
[INFO] [stdout] 9e0385edc99e1e1021d17962d759b2daae8cb25c88fc303efb0024406e2d7a74
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83aae317cf525111c9818a8fc67f04935792f40ed3f970785b046a73130cf569
[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" "83aae317cf525111c9818a8fc67f04935792f40ed3f970785b046a73130cf569", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling ruma-events-macros v0.22.0-alpha.1
[INFO] [stderr]    Compiling ruma-api-macros v0.17.0-alpha.1
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking js_int v0.1.9
[INFO] [stderr]     Checking ruma-identifiers-validation v0.1.1
[INFO] [stderr]    Compiling ruma-identifiers-macros v0.17.4
[INFO] [stderr]     Checking ruma-serde v0.2.3
[INFO] [stderr]     Checking ruma-common v0.2.0
[INFO] [stderr]     Checking ruma-identifiers v0.17.4
[INFO] [stderr]     Checking ruma-api v0.17.0-alpha.1
[INFO] [stderr]     Checking ruma-events v0.22.0-alpha.1
[INFO] [stderr]     Checking ruma-federation-api v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/transactions/send_transaction_message/v1.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / ruma_api! {
[INFO] [stdout] 12 | |     metadata: {
[INFO] [stdout] 13 | |         description: "Send transaction messages to another server",
[INFO] [stdout] 14 | |         name: "send_transaction_message",
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |     }
[INFO] [stdout] 50 | | }
[INFO] [stdout]    | | ^
[INFO] [stdout]    | | |
[INFO] [stdout]    | |_unreachable expression
[INFO] [stdout]    |   any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/transactions/send_transaction_message/v1.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / ruma_api! {
[INFO] [stdout] 12 | |     metadata: {
[INFO] [stdout] 13 | |         description: "Send transaction messages to another server",
[INFO] [stdout] 14 | |         name: "send_transaction_message",
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |     }
[INFO] [stdout] 50 | | }
[INFO] [stdout]    | | ^
[INFO] [stdout]    | | |
[INFO] [stdout]    | |_unreachable expression
[INFO] [stdout]    |   any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "83aae317cf525111c9818a8fc67f04935792f40ed3f970785b046a73130cf569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83aae317cf525111c9818a8fc67f04935792f40ed3f970785b046a73130cf569", kill_on_drop: false }`
[INFO] [stdout] 83aae317cf525111c9818a8fc67f04935792f40ed3f970785b046a73130cf569