[INFO] fetching crate raftmodel 0.1.3...
[INFO] testing raftmodel-0.1.3 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate raftmodel 0.1.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate raftmodel 0.1.3
[INFO] finished tweaking crates.io crate raftmodel 0.1.3
[INFO] tweaked toml for crates.io crate raftmodel 0.1.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate raftmodel 0.1.3 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01940a4c491b8bec5861f71c16184891c8aa3a5d459348d4792f5efa8f32fd60
[INFO] running `Command { std: "docker" "start" "-a" "01940a4c491b8bec5861f71c16184891c8aa3a5d459348d4792f5efa8f32fd60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01940a4c491b8bec5861f71c16184891c8aa3a5d459348d4792f5efa8f32fd60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01940a4c491b8bec5861f71c16184891c8aa3a5d459348d4792f5efa8f32fd60", kill_on_drop: false }`
[INFO] [stdout] 01940a4c491b8bec5861f71c16184891c8aa3a5d459348d4792f5efa8f32fd60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b4a9014600b90a22a4253e115f0feae15a3eed8c661666e9b4bdef837677e8b6
[INFO] running `Command { std: "docker" "start" "-a" "b4a9014600b90a22a4253e115f0feae15a3eed8c661666e9b4bdef837677e8b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling raftmodel v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/raftmodel/raftserver.rs:419:40
[INFO] [stdout]     |
[INFO] [stdout] 419 |     fn advance_commit_index(&mut self, dest: usize) {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "b4a9014600b90a22a4253e115f0feae15a3eed8c661666e9b4bdef837677e8b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a9014600b90a22a4253e115f0feae15a3eed8c661666e9b4bdef837677e8b6", kill_on_drop: false }`
[INFO] [stdout] b4a9014600b90a22a4253e115f0feae15a3eed8c661666e9b4bdef837677e8b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 80dee2688e95114941901401723a1ca8baaac15fffe65f36af7b685f1eac7533
[INFO] running `Command { std: "docker" "start" "-a" "80dee2688e95114941901401723a1ca8baaac15fffe65f36af7b685f1eac7533", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/raftmodel/raftserver.rs:419:40
[INFO] [stdout]     |
[INFO] [stdout] 419 |     fn advance_commit_index(&mut self, dest: usize) {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling raftmodel v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/raftmodel/raftserver.rs:419:40
[INFO] [stdout]     |
[INFO] [stdout] 419 |     fn advance_commit_index(&mut self, dest: usize) {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "80dee2688e95114941901401723a1ca8baaac15fffe65f36af7b685f1eac7533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80dee2688e95114941901401723a1ca8baaac15fffe65f36af7b685f1eac7533", kill_on_drop: false }`
[INFO] [stdout] 80dee2688e95114941901401723a1ca8baaac15fffe65f36af7b685f1eac7533
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 0fcbb3f6d858fbdd9323759c9e891136d90e55ad782353dec92165778c90e2a6
[INFO] running `Command { std: "docker" "start" "-a" "0fcbb3f6d858fbdd9323759c9e891136d90e55ad782353dec92165778c90e2a6", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `dest`
[INFO] [stderr]    --> src/raftmodel/raftserver.rs:419:40
[INFO] [stderr]     |
[INFO] [stderr] 419 |     fn advance_commit_index(&mut self, dest: usize) {
[INFO] [stderr]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `raftmodel` (lib) generated 1 warning
[INFO] [stderr] warning: `raftmodel` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/raftmodel-43bcc66595ba8f02)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test raftmodel::raftlog::tests::test_append_entries ... ok
[INFO] [stdout] test raftmodel::raftlog::tests::test_figure_7 ... ok
[INFO] [stdout] test raftmodel::raftserver::tests::test_figure_6_election ... ok
[INFO] [stdout] test raftmodel::raftserver::tests::test_replicate ... ok
[INFO] [stdout] test raftmodel::raftserver::tests::test_commit ... ok
[INFO] [stdout] test raftmodel::raftserver::tests::test_figure_6 ... ok
[INFO] [stdout] test raftmodel::raftserver::tests::test_figure_7 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0fcbb3f6d858fbdd9323759c9e891136d90e55ad782353dec92165778c90e2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fcbb3f6d858fbdd9323759c9e891136d90e55ad782353dec92165778c90e2a6", kill_on_drop: false }`
[INFO] [stdout] 0fcbb3f6d858fbdd9323759c9e891136d90e55ad782353dec92165778c90e2a6