[INFO] fetching crate labrpc 0.2.3... [INFO] testing labrpc-0.2.3 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate labrpc 0.2.3 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate labrpc 0.2.3 [INFO] finished tweaking crates.io crate labrpc 0.2.3 [INFO] tweaked toml for crates.io crate labrpc 0.2.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate labrpc 0.2.3 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 61 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ba72b0f3946fc4cde29607e5a4fa8dd5cadc23c094dc6deff0219e50162e8ac0 [INFO] running `Command { std: "docker" "start" "-a" "ba72b0f3946fc4cde29607e5a4fa8dd5cadc23c094dc6deff0219e50162e8ac0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba72b0f3946fc4cde29607e5a4fa8dd5cadc23c094dc6deff0219e50162e8ac0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba72b0f3946fc4cde29607e5a4fa8dd5cadc23c094dc6deff0219e50162e8ac0", kill_on_drop: false }` [INFO] [stdout] ba72b0f3946fc4cde29607e5a4fa8dd5cadc23c094dc6deff0219e50162e8ac0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2cd75db229497b719b670741999560e8d536eae24d64585b3612bb9c9f97dd35 [INFO] running `Command { std: "docker" "start" "-a" "2cd75db229497b719b670741999560e8d536eae24d64585b3612bb9c9f97dd35", kill_on_drop: false }` [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling bytes v1.10.1 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling crossbeam-channel v0.5.15 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling tokio v1.47.1 [INFO] [stderr] Compiling labrpc v0.2.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.82s [INFO] running `Command { std: "docker" "inspect" "2cd75db229497b719b670741999560e8d536eae24d64585b3612bb9c9f97dd35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2cd75db229497b719b670741999560e8d536eae24d64585b3612bb9c9f97dd35", kill_on_drop: false }` [INFO] [stdout] 2cd75db229497b719b670741999560e8d536eae24d64585b3612bb9c9f97dd35 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ad45680b087a176a420abbe78ced61282f0e4c7a9bddaf515fc8c3c6ad8dca8 [INFO] running `Command { std: "docker" "start" "-a" "8ad45680b087a176a420abbe78ced61282f0e4c7a9bddaf515fc8c3c6ad8dca8", kill_on_drop: false }` [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling labrpc v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/network.rs:389:27 [INFO] [stdout] | [INFO] [stdout] 389 | fn unlock(network: &Arc>) -> MutexGuard { [INFO] [stdout] | ^^^^^^^^^^^^^^ ^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 389 | fn unlock(network: &Arc>) -> MutexGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.71s [INFO] running `Command { std: "docker" "inspect" "8ad45680b087a176a420abbe78ced61282f0e4c7a9bddaf515fc8c3c6ad8dca8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ad45680b087a176a420abbe78ced61282f0e4c7a9bddaf515fc8c3c6ad8dca8", kill_on_drop: false }` [INFO] [stdout] 8ad45680b087a176a420abbe78ced61282f0e4c7a9bddaf515fc8c3c6ad8dca8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ebff4fda0de62f1c8161c5f7fe95feb022dd72059d386779b739eecd37a5357b [INFO] running `Command { std: "docker" "start" "-a" "ebff4fda0de62f1c8161c5f7fe95feb022dd72059d386779b739eecd37a5357b", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/network.rs:389:27 [INFO] [stderr] | [INFO] [stderr] 389 | fn unlock(network: &Arc>) -> MutexGuard { [INFO] [stderr] | ^^^^^^^^^^^^^^ ^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 389 | fn unlock(network: &Arc>) -> MutexGuard<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `labrpc` (lib test) generated 1 warning (run `cargo fix --lib -p labrpc --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/labrpc-77fc71bfd5ea0eac) [INFO] [stdout] [INFO] [stdout] running 23 tests [INFO] [stdout] test network::tests::test_many_requests ... ignored, Large tests with many threads [INFO] [stdout] test client::tests::test_call_rpc_remote_dropped ... ok [INFO] [stdout] test client::tests::test_call_across_threads ... ok [INFO] [stdout] test client::tests::test_call_rpc_not_connected ... ok [INFO] [stdout] test client::tests::test_call_rpc_remote_error ... ok [INFO] [stdout] test server::tests::test_serve_interrupted ... 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_proxy_rpc ... ok [INFO] [stdout] test server::tests::test_serve_rpc ... ok [INFO] [stdout] test network::tests::test_proxy_rpc_no_such_client ... ok [INFO] [stdout] test network::tests::test_server_killed ... ok [INFO] [stdout] test network::tests::test_proxy_rpc_client_disabled ... ok [INFO] [stdout] test network::tests::test_rpc_count_works ... ok [INFO] [stdout] test network::tests::test_proxy_rpc_server_not_found ... ok [INFO] [stdout] test server::tests::test_register_rpc_handler_failure ... ok [INFO] [stdout] test server::tests::test_rpc_error ... ok [INFO] [stdout] test network::tests::test_proxy_rpc_server_error ... ok [INFO] [stdout] test network::tests::test_basic_functions ... ok [INFO] [stdout] test server::tests::test_server_survives_30_rpc_errors ... ok [INFO] [stdout] test network::tests::test_network_shutdown ... ok [INFO] [stdout] test client::tests::test_call_rpc ... ok [INFO] [stdout] test network::tests::test_unreliable ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 22 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.44s [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" "ebff4fda0de62f1c8161c5f7fe95feb022dd72059d386779b739eecd37a5357b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebff4fda0de62f1c8161c5f7fe95feb022dd72059d386779b739eecd37a5357b", kill_on_drop: false }` [INFO] [stdout] ebff4fda0de62f1c8161c5f7fe95feb022dd72059d386779b739eecd37a5357b