[INFO] fetching crate highroller 0.1.0...
[INFO] testing highroller-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate highroller 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate highroller 0.1.0
[INFO] finished tweaking crates.io crate highroller 0.1.0
[INFO] tweaked toml for crates.io crate highroller 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate highroller 0.1.0 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 1 package to latest compatible version
[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] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[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] 9b1320769c5ae88614519b3f5df2b9573c2924a1782598fc229f54ff30919149
[INFO] running `Command { std: "docker" "start" "-a" "9b1320769c5ae88614519b3f5df2b9573c2924a1782598fc229f54ff30919149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b1320769c5ae88614519b3f5df2b9573c2924a1782598fc229f54ff30919149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1320769c5ae88614519b3f5df2b9573c2924a1782598fc229f54ff30919149", kill_on_drop: false }`
[INFO] [stdout] 9b1320769c5ae88614519b3f5df2b9573c2924a1782598fc229f54ff30919149
[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] 53586897a95cc2ad8618c64baa48a931197adc2630d530891753066b1c81c8b4
[INFO] running `Command { std: "docker" "start" "-a" "53586897a95cc2ad8618c64baa48a931197adc2630d530891753066b1c81c8b4", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling highroller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "53586897a95cc2ad8618c64baa48a931197adc2630d530891753066b1c81c8b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53586897a95cc2ad8618c64baa48a931197adc2630d530891753066b1c81c8b4", kill_on_drop: false }`
[INFO] [stdout] 53586897a95cc2ad8618c64baa48a931197adc2630d530891753066b1c81c8b4
[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] c6e51c903365c288262b36923a284af2ab9ccd8da56f3bf7acc8929fb314a2cd
[INFO] running `Command { std: "docker" "start" "-a" "c6e51c903365c288262b36923a284af2ab9ccd8da56f3bf7acc8929fb314a2cd", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling highroller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `lock_guard`
[INFO] [stdout]    --> src/lib.rs:418:16
[INFO] [stdout]     |
[INFO] [stdout] 418 |             Ok(lock_guard) => {
[INFO] [stdout]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock_guard`
[INFO] [stdout]    --> src/lib.rs:423:21
[INFO] [stdout]     |
[INFO] [stdout] 423 |                 let lock_guard = poisoned_lock.into_inner();
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock_guard`
[INFO] [stdout]    --> src/lib.rs:451:16
[INFO] [stdout]     |
[INFO] [stdout] 451 |             Ok(lock_guard) => {
[INFO] [stdout]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock_guard`
[INFO] [stdout]    --> src/lib.rs:456:21
[INFO] [stdout]     |
[INFO] [stdout] 456 |                 let lock_guard = poisoned_lock.into_inner();
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:437:17
[INFO] [stdout]     |
[INFO] [stdout] 437 |             for i in 0..count {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock_guard`
[INFO] [stdout]    --> src/lib.rs:505:16
[INFO] [stdout]     |
[INFO] [stdout] 505 |             Ok(lock_guard) => {
[INFO] [stdout]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock_guard`
[INFO] [stdout]    --> src/lib.rs:510:21
[INFO] [stdout]     |
[INFO] [stdout] 510 |                 let lock_guard = poisoned_lock.into_inner();
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock_guard`
[INFO] [stdout]    --> src/lib.rs:632:16
[INFO] [stdout]     |
[INFO] [stdout] 632 |             Ok(lock_guard) => {
[INFO] [stdout]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock_guard`
[INFO] [stdout]    --> src/lib.rs:637:21
[INFO] [stdout]     |
[INFO] [stdout] 637 |                 let lock_guard = poisoned_lock.into_inner();
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "c6e51c903365c288262b36923a284af2ab9ccd8da56f3bf7acc8929fb314a2cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6e51c903365c288262b36923a284af2ab9ccd8da56f3bf7acc8929fb314a2cd", kill_on_drop: false }`
[INFO] [stdout] c6e51c903365c288262b36923a284af2ab9ccd8da56f3bf7acc8929fb314a2cd
[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] 050d87340bef8038395426ecd379a16b0d3afaf0f909ff7afa23b45df335d2c3
[INFO] running `Command { std: "docker" "start" "-a" "050d87340bef8038395426ecd379a16b0d3afaf0f909ff7afa23b45df335d2c3", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: unused variable: `lock_guard`
[INFO] [stderr]    --> src/lib.rs:418:16
[INFO] [stderr]     |
[INFO] [stderr] 418 |             Ok(lock_guard) => {
[INFO] [stderr]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lock_guard`
[INFO] [stderr]    --> src/lib.rs:423:21
[INFO] [stderr]     |
[INFO] [stderr] 423 |                 let lock_guard = poisoned_lock.into_inner();
[INFO] [stderr]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lock_guard`
[INFO] [stderr]    --> src/lib.rs:451:16
[INFO] [stderr]     |
[INFO] [stderr] 451 |             Ok(lock_guard) => {
[INFO] [stderr]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lock_guard`
[INFO] [stderr]    --> src/lib.rs:456:21
[INFO] [stderr]     |
[INFO] [stderr] 456 |                 let lock_guard = poisoned_lock.into_inner();
[INFO] [stderr]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:437:17
[INFO] [stderr]     |
[INFO] [stderr] 437 |             for i in 0..count {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lock_guard`
[INFO] [stderr]    --> src/lib.rs:505:16
[INFO] [stderr]     |
[INFO] [stderr] 505 |             Ok(lock_guard) => {
[INFO] [stderr]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lock_guard`
[INFO] [stderr]    --> src/lib.rs:510:21
[INFO] [stderr]     |
[INFO] [stderr] 510 |                 let lock_guard = poisoned_lock.into_inner();
[INFO] [stderr]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lock_guard`
[INFO] [stderr]    --> src/lib.rs:632:16
[INFO] [stderr]     |
[INFO] [stderr] 632 |             Ok(lock_guard) => {
[INFO] [stderr]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lock_guard`
[INFO] [stderr]    --> src/lib.rs:637:21
[INFO] [stderr]     |
[INFO] [stderr] 637 |                 let lock_guard = poisoned_lock.into_inner();
[INFO] [stderr]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stderr] 
[INFO] [stderr] warning: `highroller` (lib test) generated 9 warnings
[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/highroller-123e17409f146d15)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_rolling_index_generation_multithreaded ... ok
[INFO] [stdout] test tests::test_rolling_index_generation ... ok
[INFO] [stdout] test tests::test_rolling_index_linearity ... ok
[INFO] [stdout] test tests::test_u16_overflow_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "050d87340bef8038395426ecd379a16b0d3afaf0f909ff7afa23b45df335d2c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "050d87340bef8038395426ecd379a16b0d3afaf0f909ff7afa23b45df335d2c3", kill_on_drop: false }`
[INFO] [stdout] 050d87340bef8038395426ecd379a16b0d3afaf0f909ff7afa23b45df335d2c3