[INFO] fetching crate jsonrpc-derive 17.1.0...
[INFO] testing jsonrpc-derive-17.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate jsonrpc-derive 17.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate jsonrpc-derive 17.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpc-derive 17.1.0
[INFO] finished tweaking crates.io crate jsonrpc-derive 17.1.0
[INFO] tweaked toml for crates.io crate jsonrpc-derive 17.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate jsonrpc-derive 17.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", 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] 9a8264c656c18efeb7c785ddbf7c386845b8176c0ca638a9aaf0ff7f5ab675f3
[INFO] running `Command { std: "docker" "start" "-a" "9a8264c656c18efeb7c785ddbf7c386845b8176c0ca638a9aaf0ff7f5ab675f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a8264c656c18efeb7c785ddbf7c386845b8176c0ca638a9aaf0ff7f5ab675f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8264c656c18efeb7c785ddbf7c386845b8176c0ca638a9aaf0ff7f5ab675f3", kill_on_drop: false }`
[INFO] [stdout] 9a8264c656c18efeb7c785ddbf7c386845b8176c0ca638a9aaf0ff7f5ab675f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7f57fd383f695d093a918bdc14c32cbcb929e924eee845268d2538a9a7f0ac8
[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" "e7f57fd383f695d093a918bdc14c32cbcb929e924eee845268d2538a9a7f0ac8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling jsonrpc-derive v17.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.26s
[INFO] running `Command { std: "docker" "inspect" "e7f57fd383f695d093a918bdc14c32cbcb929e924eee845268d2538a9a7f0ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f57fd383f695d093a918bdc14c32cbcb929e924eee845268d2538a9a7f0ac8", kill_on_drop: false }`
[INFO] [stdout] e7f57fd383f695d093a918bdc14c32cbcb929e924eee845268d2538a9a7f0ac8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a29791dd344d347b505678d1cd63556a8ccbaeb45502d43de4e27cb80a1f26ae
[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" "a29791dd344d347b505678d1cd63556a8ccbaeb45502d43de4e27cb80a1f26ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling trybuild v1.0.42
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling jsonrpc-core v17.1.0
[INFO] [stderr]    Compiling jsonrpc-pubsub v17.1.0
[INFO] [stderr]    Compiling jsonrpc-server-utils v17.1.0
[INFO] [stderr]    Compiling jsonrpc-tcp-server v17.1.0
[INFO] [stderr]    Compiling jsonrpc-client-transports v17.1.0
[INFO] [stderr]    Compiling jsonrpc-core-client v17.1.0
[INFO] [stderr]    Compiling jsonrpc-derive v17.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0659]: `assert_matches` is ambiguous (glob import vs any other name from outer scope during import/macro resolution)
[INFO] [stdout]   --> tests/client.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 assert_matches!(res, Ok(Ok(7)));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: `assert_matches` could refer to a macro from prelude
[INFO] [stdout] note: `assert_matches` could also refer to the macro imported here
[INFO] [stdout]   --> tests/client.rs:8:6
[INFO] [stdout]    |
[INFO] [stdout] 8  |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `assert_matches` to disambiguate
[INFO] [stdout]    = help: or use `self::assert_matches` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `assert_matches` is ambiguous (glob import vs any other name from outer scope during import/macro resolution)
[INFO] [stdout]   --> tests/client.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 assert_matches!(res, Ok(Ok(x)) if x == expected);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: `assert_matches` could refer to a macro from prelude
[INFO] [stdout] note: `assert_matches` could also refer to the macro imported here
[INFO] [stdout]   --> tests/client.rs:51:6
[INFO] [stdout]    |
[INFO] [stdout] 51 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `assert_matches` to disambiguate
[INFO] [stdout]    = help: or use `self::assert_matches` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `assert_matches` is ambiguous (glob import vs any other name from outer scope during import/macro resolution)
[INFO] [stdout]    --> tests/client.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 assert_matches!(res, Ok(Ok(x)) if x == expected);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: `assert_matches` could refer to a macro from prelude
[INFO] [stdout] note: `assert_matches` could also refer to the macro imported here
[INFO] [stdout]    --> tests/client.rs:93:6
[INFO] [stdout]     |
[INFO] [stdout] 93  |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `assert_matches` to disambiguate
[INFO] [stdout]     = help: or use `self::assert_matches` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jsonrpc-derive`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a29791dd344d347b505678d1cd63556a8ccbaeb45502d43de4e27cb80a1f26ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a29791dd344d347b505678d1cd63556a8ccbaeb45502d43de4e27cb80a1f26ae", kill_on_drop: false }`
[INFO] [stdout] a29791dd344d347b505678d1cd63556a8ccbaeb45502d43de4e27cb80a1f26ae