[INFO] fetching crate cow-dice-rs 0.1.0...
[INFO] testing cow-dice-rs-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate cow-dice-rs 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate cow-dice-rs 0.1.0
[INFO] finished tweaking crates.io crate cow-dice-rs 0.1.0
[INFO] tweaked toml for crates.io crate cow-dice-rs 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cow-dice-rs 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]     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 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[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-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] 8b1232b6b20aaaf0bbfdb45232eab5448ef1fa0b802831be06b8fa2707f92afe
[INFO] running `Command { std: "docker" "start" "-a" "8b1232b6b20aaaf0bbfdb45232eab5448ef1fa0b802831be06b8fa2707f92afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b1232b6b20aaaf0bbfdb45232eab5448ef1fa0b802831be06b8fa2707f92afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b1232b6b20aaaf0bbfdb45232eab5448ef1fa0b802831be06b8fa2707f92afe", kill_on_drop: false }`
[INFO] [stdout] 8b1232b6b20aaaf0bbfdb45232eab5448ef1fa0b802831be06b8fa2707f92afe
[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] 3eafde1568c96f6041ca1df1d8b20fb765cb1739fc124ea81b1601967b6e1994
[INFO] running `Command { std: "docker" "start" "-a" "3eafde1568c96f6041ca1df1d8b20fb765cb1739fc124ea81b1601967b6e1994", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling cow-dice-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `Command { std: "docker" "inspect" "3eafde1568c96f6041ca1df1d8b20fb765cb1739fc124ea81b1601967b6e1994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eafde1568c96f6041ca1df1d8b20fb765cb1739fc124ea81b1601967b6e1994", kill_on_drop: false }`
[INFO] [stdout] 3eafde1568c96f6041ca1df1d8b20fb765cb1739fc124ea81b1601967b6e1994
[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] 70a386be5d2d0499d5f466f37922a046745f63aaf46a109d130586fae9c4d528
[INFO] running `Command { std: "docker" "start" "-a" "70a386be5d2d0499d5f466f37922a046745f63aaf46a109d130586fae9c4d528", kill_on_drop: false }`
[INFO] [stderr]    Compiling cow-dice-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/dice.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         for i in [0..num_samples] {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `die`
[INFO] [stdout]   --> src/dice.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let die = D6::roll();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_die`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/dice.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         for i in [0..num_samples] {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pair`
[INFO] [stdout]    --> src/dice.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let pair = TwoD6::roll();
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "70a386be5d2d0499d5f466f37922a046745f63aaf46a109d130586fae9c4d528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70a386be5d2d0499d5f466f37922a046745f63aaf46a109d130586fae9c4d528", kill_on_drop: false }`
[INFO] [stdout] 70a386be5d2d0499d5f466f37922a046745f63aaf46a109d130586fae9c4d528
[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] 89ebe08cd04588b6d9f93ab818829f0191b741469d9d3ec476901b25ef3aa8a6
[INFO] running `Command { std: "docker" "start" "-a" "89ebe08cd04588b6d9f93ab818829f0191b741469d9d3ec476901b25ef3aa8a6", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/dice.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |         for i in [0..num_samples] {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `die`
[INFO] [stderr]   --> src/dice.rs:81:17
[INFO] [stderr]    |
[INFO] [stderr] 81 |             let die = D6::roll();
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_die`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/dice.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |         for i in [0..num_samples] {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pair`
[INFO] [stderr]    --> src/dice.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |             let pair = TwoD6::roll();
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stderr] 
[INFO] [stderr] warning: `cow-dice-rs` (lib test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/cow_dice_rs-f1283e5b1e892ae5)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test dice::tests::test_d6_pips ... ok
[INFO] [stdout] test dice::tests::test_d6_roll ... ok
[INFO] [stdout] test dice::tests::test_twod6_roll ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89ebe08cd04588b6d9f93ab818829f0191b741469d9d3ec476901b25ef3aa8a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89ebe08cd04588b6d9f93ab818829f0191b741469d9d3ec476901b25ef3aa8a6", kill_on_drop: false }`
[INFO] [stdout] 89ebe08cd04588b6d9f93ab818829f0191b741469d9d3ec476901b25ef3aa8a6