[INFO] fetching crate labrpc 0.1.12...
[INFO] testing labrpc-0.1.12 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate labrpc 0.1.12 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate labrpc 0.1.12 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate labrpc 0.1.12
[INFO] finished tweaking crates.io crate labrpc 0.1.12
[INFO] tweaked toml for crates.io crate labrpc 0.1.12 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7db98ac96df58d2bc0a9e0d862848c69867f803d7f4aa7442ddc8cf0f40a61b2
[INFO] running `Command { std: "docker" "start" "-a" "7db98ac96df58d2bc0a9e0d862848c69867f803d7f4aa7442ddc8cf0f40a61b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7db98ac96df58d2bc0a9e0d862848c69867f803d7f4aa7442ddc8cf0f40a61b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db98ac96df58d2bc0a9e0d862848c69867f803d7f4aa7442ddc8cf0f40a61b2", kill_on_drop: false }`
[INFO] [stdout] 7db98ac96df58d2bc0a9e0d862848c69867f803d7f4aa7442ddc8cf0f40a61b2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef22ef3c4f3eb00ac6f3710652c1ec206f329ba37bbe61d8815607d531a92b56
[INFO] running `Command { std: "docker" "start" "-a" "ef22ef3c4f3eb00ac6f3710652c1ec206f329ba37bbe61d8815607d531a92b56", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling labrpc v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.93s
[INFO] running `Command { std: "docker" "inspect" "ef22ef3c4f3eb00ac6f3710652c1ec206f329ba37bbe61d8815607d531a92b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef22ef3c4f3eb00ac6f3710652c1ec206f329ba37bbe61d8815607d531a92b56", kill_on_drop: false }`
[INFO] [stdout] ef22ef3c4f3eb00ac6f3710652c1ec206f329ba37bbe61d8815607d531a92b56
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d566a59357c5dd155ed83790009c890a6109d982eaffbba6ab0ff61f7e1a4fbe
[INFO] running `Command { std: "docker" "start" "-a" "d566a59357c5dd155ed83790009c890a6109d982eaffbba6ab0ff61f7e1a4fbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling labrpc v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "d566a59357c5dd155ed83790009c890a6109d982eaffbba6ab0ff61f7e1a4fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d566a59357c5dd155ed83790009c890a6109d982eaffbba6ab0ff61f7e1a4fbe", kill_on_drop: false }`
[INFO] [stdout] d566a59357c5dd155ed83790009c890a6109d982eaffbba6ab0ff61f7e1a4fbe
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cb741ecc3abc899c2bc5c0d4bd4cc479727bde3287cec674dc2b32aedd86f24c
[INFO] running `Command { std: "docker" "start" "-a" "cb741ecc3abc899c2bc5c0d4bd4cc479727bde3287cec674dc2b32aedd86f24c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 22 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/labrpc-35cd24142369ed77)
[INFO] [stdout] test network::tests::test_many_requests ... ignored
[INFO] [stdout] test client::tests::test_call_rpc_not_connected ... ok
[INFO] [stdout] test client::tests::test_call_rpc ... ok
[INFO] [stdout] test client::tests::test_call_rpc_remote_dropped ... ok
[INFO] [stdout] test client::tests::test_call_rpc_remote_error ... ok
[INFO] [stdout] test server::tests::test_register_rpc_handler ... ok
[INFO] [stdout] test server::tests::test_rpc_not_found ... ok
[INFO] [stdout] test network::tests::test_rpc_count_works ... ok
[INFO] [stdout] test server::tests::test_register_rpc_handler_failure ... ok
[INFO] [stdout] test network::tests::test_proxy_rpc_client_disabled ... ok
[INFO] [stdout] test server::tests::test_serve_rpc ... ok
[INFO] [stdout] test network::tests::test_network_shutdown ... ok
[INFO] [stdout] test client::tests::test_call_across_threads ... ok
[INFO] [stdout] test network::tests::test_proxy_rpc ... ok
[INFO] [stdout] test network::tests::test_server_killed ... ok
[INFO] [stdout] test network::tests::test_proxy_rpc_no_such_client ... ok
[INFO] [stdout] test network::tests::test_basic_functions ... ok
[INFO] [stdout] test network::tests::test_proxy_rpc_server_not_found ... ok
[INFO] [stdout] test server::tests::test_rpc_error ... ok
[INFO] [stdout] test network::tests::test_proxy_rpc_server_error ... ok
[INFO] [stdout] test server::tests::test_server_survives_3_rpc_errors ... ok
[INFO] [stdout] test network::tests::test_unreliable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.23s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests labrpc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb741ecc3abc899c2bc5c0d4bd4cc479727bde3287cec674dc2b32aedd86f24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb741ecc3abc899c2bc5c0d4bd4cc479727bde3287cec674dc2b32aedd86f24c", kill_on_drop: false }`
[INFO] [stdout] cb741ecc3abc899c2bc5c0d4bd4cc479727bde3287cec674dc2b32aedd86f24c