[INFO] fetching crate jsonrpc-test 18.0.0...
[INFO] testing jsonrpc-test-18.0.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate jsonrpc-test 18.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate jsonrpc-test 18.0.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpc-test 18.0.0
[INFO] finished tweaking crates.io crate jsonrpc-test 18.0.0
[INFO] tweaked toml for crates.io crate jsonrpc-test 18.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jsonrpc-core-client v18.0.0
[INFO] [stderr]   Downloaded jsonrpc-client-transports v18.0.0
[INFO] [stderr]   Downloaded jsonrpc-derive v18.0.0
[INFO] [stderr]   Downloaded jsonrpc-pubsub v18.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] e83366e99ef10b6f3a73e580faded56fdfcf5b17793bb666caf7845f083ab87b
[INFO] running `Command { std: "docker" "start" "-a" "e83366e99ef10b6f3a73e580faded56fdfcf5b17793bb666caf7845f083ab87b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e83366e99ef10b6f3a73e580faded56fdfcf5b17793bb666caf7845f083ab87b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e83366e99ef10b6f3a73e580faded56fdfcf5b17793bb666caf7845f083ab87b", kill_on_drop: false }`
[INFO] [stdout] e83366e99ef10b6f3a73e580faded56fdfcf5b17793bb666caf7845f083ab87b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4397a887df28637fcb1dbbaf6c560bfa4bce8884f0ab7a80e97614e0b6118bb
[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" "b4397a887df28637fcb1dbbaf6c560bfa4bce8884f0ab7a80e97614e0b6118bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling idna v0.1.5
[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 futures-macro v0.3.17
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling jsonrpc-core v18.0.0
[INFO] [stderr]    Compiling jsonrpc-pubsub v18.0.0
[INFO] [stderr]    Compiling jsonrpc-client-transports v18.0.0
[INFO] [stderr]    Compiling jsonrpc-core-client v18.0.0
[INFO] [stderr]    Compiling jsonrpc-test v18.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "b4397a887df28637fcb1dbbaf6c560bfa4bce8884f0ab7a80e97614e0b6118bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4397a887df28637fcb1dbbaf6c560bfa4bce8884f0ab7a80e97614e0b6118bb", kill_on_drop: false }`
[INFO] [stdout] b4397a887df28637fcb1dbbaf6c560bfa4bce8884f0ab7a80e97614e0b6118bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", 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] 09da8417f3b6222ace7b903403ff869693f1af6f6d5b18183a9d29945b148849
[INFO] running `Command { std: "docker" "start" "-a" "09da8417f3b6222ace7b903403ff869693f1af6f6d5b18183a9d29945b148849", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling jsonrpc-derive v18.0.0
[INFO] [stderr]    Compiling jsonrpc-test v18.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.23s
[INFO] running `Command { std: "docker" "inspect" "09da8417f3b6222ace7b903403ff869693f1af6f6d5b18183a9d29945b148849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09da8417f3b6222ace7b903403ff869693f1af6f6d5b18183a9d29945b148849", kill_on_drop: false }`
[INFO] [stdout] 09da8417f3b6222ace7b903403ff869693f1af6f6d5b18183a9d29945b148849
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b3eacd5efc8868140ea7589f77b1604eb3650f6eed2dfe593636dd085db17838
[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" "b3eacd5efc8868140ea7589f77b1604eb3650f6eed2dfe593636dd085db17838", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jsonrpc_test-2c1fc8337f3f3637)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::should_test_make_request_compact ... ok
[INFO] [stdout] test tests::should_test_request_is_pretty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jsonrpc-test
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b3eacd5efc8868140ea7589f77b1604eb3650f6eed2dfe593636dd085db17838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3eacd5efc8868140ea7589f77b1604eb3650f6eed2dfe593636dd085db17838", kill_on_drop: false }`
[INFO] [stdout] b3eacd5efc8868140ea7589f77b1604eb3650f6eed2dfe593636dd085db17838