[INFO] fetching crate u-siem-kernel 0.3.0...
[INFO] testing u-siem-kernel-0.3.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate u-siem-kernel 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate u-siem-kernel 0.3.0
[INFO] finished tweaking crates.io crate u-siem-kernel 0.3.0
[INFO] tweaked toml for crates.io crate u-siem-kernel 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate u-siem-kernel 0.3.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 91 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded u-siem v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2fdddcaf5753dd14d6da6027d01b3cb4139cd415ba7e03926629b6e49cb4abc
[INFO] running `Command { std: "docker" "start" "-a" "b2fdddcaf5753dd14d6da6027d01b3cb4139cd415ba7e03926629b6e49cb4abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2fdddcaf5753dd14d6da6027d01b3cb4139cd415ba7e03926629b6e49cb4abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2fdddcaf5753dd14d6da6027d01b3cb4139cd415ba7e03926629b6e49cb4abc", kill_on_drop: false }`
[INFO] [stdout] b2fdddcaf5753dd14d6da6027d01b3cb4139cd415ba7e03926629b6e49cb4abc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a01b582125b2f69168b22ae06c4990afc71cd023398f3c49bac13d1fd6d9e106
[INFO] running `Command { std: "docker" "start" "-a" "a01b582125b2f69168b22ae06c4990afc71cd023398f3c49bac13d1fd6d9e106", kill_on_drop: false }`
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling u-siem v0.7.0
[INFO] [stderr]    Compiling u-siem-kernel v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `scaling_limit` is never read
[INFO] [stdout]   --> src/channels.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct ComponentChannels {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub scaling_limit: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ComponentChannels` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[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 10.53s
[INFO] running `Command { std: "docker" "inspect" "a01b582125b2f69168b22ae06c4990afc71cd023398f3c49bac13d1fd6d9e106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a01b582125b2f69168b22ae06c4990afc71cd023398f3c49bac13d1fd6d9e106", kill_on_drop: false }`
[INFO] [stdout] a01b582125b2f69168b22ae06c4990afc71cd023398f3c49bac13d1fd6d9e106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39e928d01bcb9af71d7722a9516964f826961269a05b4cda3fdcca280af7e6fb
[INFO] running `Command { std: "docker" "start" "-a" "39e928d01bcb9af71d7722a9516964f826961269a05b4cda3fdcca280af7e6fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling u-siem-kernel v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `scaling_limit` is never read
[INFO] [stdout]   --> src/channels.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct ComponentChannels {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub scaling_limit: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ComponentChannels` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scaling_limit` is never read
[INFO] [stdout]   --> src/channels.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct ComponentChannels {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub scaling_limit: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ComponentChannels` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[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 1.92s
[INFO] running `Command { std: "docker" "inspect" "39e928d01bcb9af71d7722a9516964f826961269a05b4cda3fdcca280af7e6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39e928d01bcb9af71d7722a9516964f826961269a05b4cda3fdcca280af7e6fb", kill_on_drop: false }`
[INFO] [stdout] 39e928d01bcb9af71d7722a9516964f826961269a05b4cda3fdcca280af7e6fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7719a79afaf0464cf6f2247a1dda057b2a64d3bb86a5ac8c93cb5897c381fc7c
[INFO] running `Command { std: "docker" "start" "-a" "7719a79afaf0464cf6f2247a1dda057b2a64d3bb86a5ac8c93cb5897c381fc7c", kill_on_drop: false }`
[INFO] [stderr] warning: field `scaling_limit` is never read
[INFO] [stderr]   --> src/channels.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct ComponentChannels {
[INFO] [stderr]    |            ----------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 17 |     pub scaling_limit: f64,
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ComponentChannels` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `u-siem-kernel` (lib) generated 1 warning
[INFO] [stderr] warning: `u-siem-kernel` (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/usiem_kernel-d273a5aeb0fc6ec7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test kernel::tests::test_kernel_instance ... ok
[INFO] [stderr]    Doc-tests usiem_kernel
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.01s
[INFO] [stdout] 
[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" "7719a79afaf0464cf6f2247a1dda057b2a64d3bb86a5ac8c93cb5897c381fc7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7719a79afaf0464cf6f2247a1dda057b2a64d3bb86a5ac8c93cb5897c381fc7c", kill_on_drop: false }`
[INFO] [stdout] 7719a79afaf0464cf6f2247a1dda057b2a64d3bb86a5ac8c93cb5897c381fc7c