[INFO] fetching crate dcs2 0.1.0...
[INFO] testing dcs2-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate dcs2 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate dcs2 0.1.0
[INFO] finished tweaking crates.io crate dcs2 0.1.0
[INFO] tweaked toml for crates.io crate dcs2 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dcs2 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding heapless v0.7.17 (available: v0.9.1)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] 267cedb3e1524b566060139dd147106ae47f47001281bc69e31bfdbdc4791d39
[INFO] running `Command { std: "docker" "start" "-a" "267cedb3e1524b566060139dd147106ae47f47001281bc69e31bfdbdc4791d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "267cedb3e1524b566060139dd147106ae47f47001281bc69e31bfdbdc4791d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267cedb3e1524b566060139dd147106ae47f47001281bc69e31bfdbdc4791d39", kill_on_drop: false }`
[INFO] [stdout] 267cedb3e1524b566060139dd147106ae47f47001281bc69e31bfdbdc4791d39
[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] 957c20c1a93d21a42eede1c3af53457a3530009a056585a9221ddfb9e5df96ff
[INFO] running `Command { std: "docker" "start" "-a" "957c20c1a93d21a42eede1c3af53457a3530009a056585a9221ddfb9e5df96ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling dcs2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `InnerSystemState` is never constructed
[INFO] [stdout]    --> src/rules/measurements.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout] 203 | struct InnerSystemState {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.76s
[INFO] running `Command { std: "docker" "inspect" "957c20c1a93d21a42eede1c3af53457a3530009a056585a9221ddfb9e5df96ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957c20c1a93d21a42eede1c3af53457a3530009a056585a9221ddfb9e5df96ff", kill_on_drop: false }`
[INFO] [stdout] 957c20c1a93d21a42eede1c3af53457a3530009a056585a9221ddfb9e5df96ff
[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] fcefb89c7d81e2514c15d88e874dfed0eb21feedb0d0cb02198f14390f139d66
[INFO] running `Command { std: "docker" "start" "-a" "fcefb89c7d81e2514c15d88e874dfed0eb21feedb0d0cb02198f14390f139d66", kill_on_drop: false }`
[INFO] [stdout] warning: struct `InnerSystemState` is never constructed
[INFO] [stdout]    --> src/rules/measurements.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout] 203 | struct InnerSystemState {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dcs2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `InnerSystemState` is never constructed
[INFO] [stdout]    --> src/rules/measurements.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout] 203 | struct InnerSystemState {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "fcefb89c7d81e2514c15d88e874dfed0eb21feedb0d0cb02198f14390f139d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcefb89c7d81e2514c15d88e874dfed0eb21feedb0d0cb02198f14390f139d66", kill_on_drop: false }`
[INFO] [stdout] fcefb89c7d81e2514c15d88e874dfed0eb21feedb0d0cb02198f14390f139d66
[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] a958d8c6cd2884d8aa70b3639d2ae963265e47e2dd9bf2d1c4c91202cdc26145
[INFO] running `Command { std: "docker" "start" "-a" "a958d8c6cd2884d8aa70b3639d2ae963265e47e2dd9bf2d1c4c91202cdc26145", kill_on_drop: false }`
[INFO] [stderr] warning: struct `InnerSystemState` is never constructed
[INFO] [stderr]    --> src/rules/measurements.rs:203:8
[INFO] [stderr]     |
[INFO] [stderr] 203 | struct InnerSystemState {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dcs2` (lib) generated 1 warning
[INFO] [stderr] warning: `dcs2` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dcs2-e91f40fc0e70a270)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test communication::connection_error_tests::can_create_error_from_error ... ok
[INFO] [stdout] test communication::connection_error_tests::can_create_error_from_io_error ... ok
[INFO] [stdout] test rules::manager::engine_test::can_update_rule_strategy ... ok
[INFO] [stdout] test communication::connection_error_tests::can_create_error_from_str ... ok
[INFO] [stdout] test membership::client::test::membership_manager_can_get_new_members ... ok
[INFO] [stdout] test rules::manager::pool_tests::can_create_empty_pool ... ok
[INFO] [stdout] test rules::manager::pool_tests::after_adding_rule_then_is_not_empty ... ok
[INFO] [stdout] test rules::manager::pool_tests::after_adding_rule_then_can_get_the_rule ... ok
[INFO] [stdout] test rules::manager::pool_tests::given_pool_with_multiple_rules_then_can_get_both ... ok
[INFO] [stdout] test rules::strategy::average_strategy_tests::given_a_mean_below_strategy_and_values_below_threshold_should_alert ... ok
[INFO] [stdout] test rules::strategy::average_strategy_tests::given_a_mean_below_strategy_and_values_over_threshold_should_not_alert ... ok
[INFO] [stdout] test rules::manager::engine_test::returns_result_from_strategy ... ok
[INFO] [stdout] test rules::measurements::measurement_test::can_cmp_measurement_with_i32 ... ok
[INFO] [stdout] test rules::measurements::measurement_test::can_get_max_measurements_of_same_type ... ok
[INFO] [stdout] test rules::strategy::average_strategy_tests::given_a_mean_over_strategy_and_values_below_threshold_should_not_alert ... ok
[INFO] [stdout] test rules::strategy::average_strategy_tests::given_a_mean_over_strategy_and_values_over_threshold_should_alert ... ok
[INFO] [stdout] test rules::strategy::min_strategy_tests::given_a_min_below_strategy_and_values_below_threshold_should_alert ... ok
[INFO] [stdout] test rules::strategy::min_strategy_tests::given_a_min_below_strategy_and_values_over_threshold_should_not_alert ... ok
[INFO] [stdout] test rules::strategy::max_strategy_tests::given_a_max_over_strategy_and_values_below_threshold_should_not_alert ... ok
[INFO] [stdout] test rules::manager::pool_tests::getting_nonexistent_rule_returns_none ... ok
[INFO] [stdout] test rules::strategy::max_strategy_tests::given_a_max_over_strategy_and_values_over_threshold_should_alert ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dcs2
[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" "a958d8c6cd2884d8aa70b3639d2ae963265e47e2dd9bf2d1c4c91202cdc26145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a958d8c6cd2884d8aa70b3639d2ae963265e47e2dd9bf2d1c4c91202cdc26145", kill_on_drop: false }`
[INFO] [stdout] a958d8c6cd2884d8aa70b3639d2ae963265e47e2dd9bf2d1c4c91202cdc26145