[INFO] fetching crate internode 1.0.0...
[INFO] testing internode-1.0.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate internode 1.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate internode 1.0.0
[INFO] finished tweaking crates.io crate internode 1.0.0
[INFO] tweaked toml for crates.io crate internode 1.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate internode 1.0.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded genawaiter-macro v0.99.1
[INFO] [stderr]   Downloaded genawaiter v0.99.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bd87bf29a256d8fe0ddf287793d2684c6497b1c333e88813aa48306d65f53d68
[INFO] running `Command { std: "docker" "start" "-a" "bd87bf29a256d8fe0ddf287793d2684c6497b1c333e88813aa48306d65f53d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd87bf29a256d8fe0ddf287793d2684c6497b1c333e88813aa48306d65f53d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd87bf29a256d8fe0ddf287793d2684c6497b1c333e88813aa48306d65f53d68", kill_on_drop: false }`
[INFO] [stdout] bd87bf29a256d8fe0ddf287793d2684c6497b1c333e88813aa48306d65f53d68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f94d59947b533b4ed9489a87de6cca5cc7cbe846df326f5a34bdd88592be6654
[INFO] running `Command { std: "docker" "start" "-a" "f94d59947b533b4ed9489a87de6cca5cc7cbe846df326f5a34bdd88592be6654", kill_on_drop: false }`
[INFO] [stderr]    Compiling genawaiter-macro v0.99.1
[INFO] [stderr]    Compiling genawaiter v0.99.1
[INFO] [stderr]    Compiling internode v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]   --> src/internode_mutex_guard.rs:48:2
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct InternodeMutexGuardIterOutgoing<'a, T: Neighbors> {
[INFO] [stdout]    |        ------------------------------- field in this struct
[INFO] [stdout] 48 |     guard: MutexGuard<'a, Option<T>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]   --> src/internode_mutex_guard.rs:66:2
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct InternodeMutexGuardIterIncoming<'a, T: Neighbors> {
[INFO] [stdout]    |        ------------------------------- field in this struct
[INFO] [stdout] 66 |     guard: MutexGuard<'a, Option<T>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "f94d59947b533b4ed9489a87de6cca5cc7cbe846df326f5a34bdd88592be6654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f94d59947b533b4ed9489a87de6cca5cc7cbe846df326f5a34bdd88592be6654", kill_on_drop: false }`
[INFO] [stdout] f94d59947b533b4ed9489a87de6cca5cc7cbe846df326f5a34bdd88592be6654
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e01b1d4a73c083652dc7631b6bae1ac12e778354cb67a9fad06ccdb1e4da34a0
[INFO] running `Command { std: "docker" "start" "-a" "e01b1d4a73c083652dc7631b6bae1ac12e778354cb67a9fad06ccdb1e4da34a0", kill_on_drop: false }`
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]   --> src/internode_mutex_guard.rs:48:2
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct InternodeMutexGuardIterOutgoing<'a, T: Neighbors> {
[INFO] [stdout]    |        ------------------------------- field in this struct
[INFO] [stdout] 48 |     guard: MutexGuard<'a, Option<T>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling internode v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]   --> src/internode_mutex_guard.rs:66:2
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct InternodeMutexGuardIterIncoming<'a, T: Neighbors> {
[INFO] [stdout]    |        ------------------------------- field in this struct
[INFO] [stdout] 66 |     guard: MutexGuard<'a, Option<T>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]   --> src/internode_mutex_guard.rs:48:2
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct InternodeMutexGuardIterOutgoing<'a, T: Neighbors> {
[INFO] [stdout]    |        ------------------------------- field in this struct
[INFO] [stdout] 48 |     guard: MutexGuard<'a, Option<T>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]   --> src/internode_mutex_guard.rs:66:2
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct InternodeMutexGuardIterIncoming<'a, T: Neighbors> {
[INFO] [stdout]    |        ------------------------------- field in this struct
[INFO] [stdout] 66 |     guard: MutexGuard<'a, Option<T>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "e01b1d4a73c083652dc7631b6bae1ac12e778354cb67a9fad06ccdb1e4da34a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e01b1d4a73c083652dc7631b6bae1ac12e778354cb67a9fad06ccdb1e4da34a0", kill_on_drop: false }`
[INFO] [stdout] e01b1d4a73c083652dc7631b6bae1ac12e778354cb67a9fad06ccdb1e4da34a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4d2a86b09114486d25a0e975e721e81ea55a2cc7d9589c8dcfeb6f5cd869f280
[INFO] running `Command { std: "docker" "start" "-a" "4d2a86b09114486d25a0e975e721e81ea55a2cc7d9589c8dcfeb6f5cd869f280", kill_on_drop: false }`
[INFO] [stderr] warning: field `guard` is never read
[INFO] [stderr]   --> src/internode_mutex_guard.rs:48:2
[INFO] [stderr]    |
[INFO] [stderr] 47 | struct InternodeMutexGuardIterOutgoing<'a, T: Neighbors> {
[INFO] [stderr]    |        ------------------------------- field in this struct
[INFO] [stderr] 48 |     guard: MutexGuard<'a, Option<T>>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `guard` is never read
[INFO] [stderr]   --> src/internode_mutex_guard.rs:66:2
[INFO] [stderr]    |
[INFO] [stderr] 65 | struct InternodeMutexGuardIterIncoming<'a, T: Neighbors> {
[INFO] [stderr]    |        ------------------------------- field in this struct
[INFO] [stderr] 66 |     guard: MutexGuard<'a, Option<T>>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `internode` (lib) generated 2 warnings
[INFO] [stderr] warning: `internode` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/internode-ff45eb59d39a721a)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/node.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/node-1df96bd6ea006ba6)
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test lifecycle_1 ... ok
[INFO] [stdout] test lifecycle_2 ... ok
[INFO] [stdout] test lifecycle_0 ... ok
[INFO] [stdout] test traversal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d2a86b09114486d25a0e975e721e81ea55a2cc7d9589c8dcfeb6f5cd869f280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2a86b09114486d25a0e975e721e81ea55a2cc7d9589c8dcfeb6f5cd869f280", kill_on_drop: false }`
[INFO] [stdout] 4d2a86b09114486d25a0e975e721e81ea55a2cc7d9589c8dcfeb6f5cd869f280