[INFO] cloning repository https://github.com/martindisch/probability
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martindisch/probability" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartindisch%2Fprobability", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartindisch%2Fprobability'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 064386828a1764729885903b3ad9dd2d37a1bf89
[INFO] testing martindisch/probability against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartindisch%2Fprobability" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/martindisch/probability
[INFO] finished tweaking git repo https://github.com/martindisch/probability
[INFO] tweaked toml for git repo https://github.com/martindisch/probability written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/martindisch/probability 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] crate git repo https://github.com/martindisch/probability already has a lockfile, it will not be regenerated
[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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 59f78d00dfd0d80b8cf3a26a94df45dc857044887d5c8b9c54edb11ff18e6ec3
[INFO] running `Command { std: "docker" "start" "-a" "59f78d00dfd0d80b8cf3a26a94df45dc857044887d5c8b9c54edb11ff18e6ec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59f78d00dfd0d80b8cf3a26a94df45dc857044887d5c8b9c54edb11ff18e6ec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59f78d00dfd0d80b8cf3a26a94df45dc857044887d5c8b9c54edb11ff18e6ec3", kill_on_drop: false }`
[INFO] [stdout] 59f78d00dfd0d80b8cf3a26a94df45dc857044887d5c8b9c54edb11ff18e6ec3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6e81be03d9fec9471d1f3c87885bd269968f5506aee91e0a14d4964c91b1f40e
[INFO] running `Command { std: "docker" "start" "-a" "6e81be03d9fec9471d1f3c87885bd269968f5506aee91e0a14d4964c91b1f40e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling probability v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `strategy_name` and `average_cost` are never read
[INFO] [stdout]   --> src/booking.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct TestResult {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 55 |     strategy_name: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 56 |     average_cost: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `contestant_strategy` and `number_of_wins` are never read
[INFO] [stdout]   --> src/goat.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | struct TestResult {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 73 |     contestant_strategy: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 74 |     number_of_wins: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "6e81be03d9fec9471d1f3c87885bd269968f5506aee91e0a14d4964c91b1f40e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e81be03d9fec9471d1f3c87885bd269968f5506aee91e0a14d4964c91b1f40e", kill_on_drop: false }`
[INFO] [stdout] 6e81be03d9fec9471d1f3c87885bd269968f5506aee91e0a14d4964c91b1f40e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ee1c1d899275ab88cbd3817603fc48a6a016d72d5036d13a6f07225f7d062c11
[INFO] running `Command { std: "docker" "start" "-a" "ee1c1d899275ab88cbd3817603fc48a6a016d72d5036d13a6f07225f7d062c11", kill_on_drop: false }`
[INFO] [stderr]    Compiling probability v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `strategy_name` and `average_cost` are never read
[INFO] [stdout]   --> src/booking.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct TestResult {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 55 |     strategy_name: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 56 |     average_cost: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `contestant_strategy` and `number_of_wins` are never read
[INFO] [stdout]   --> src/goat.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | struct TestResult {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 73 |     contestant_strategy: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 74 |     number_of_wins: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "ee1c1d899275ab88cbd3817603fc48a6a016d72d5036d13a6f07225f7d062c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1c1d899275ab88cbd3817603fc48a6a016d72d5036d13a6f07225f7d062c11", kill_on_drop: false }`
[INFO] [stdout] ee1c1d899275ab88cbd3817603fc48a6a016d72d5036d13a6f07225f7d062c11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e725579451f78347d11b5a600082b406ac94ba93391a246f923cbecc2e092e0e
[INFO] running `Command { std: "docker" "start" "-a" "e725579451f78347d11b5a600082b406ac94ba93391a246f923cbecc2e092e0e", kill_on_drop: false }`
[INFO] [stderr] warning: fields `strategy_name` and `average_cost` are never read
[INFO] [stderr]   --> src/booking.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 54 | struct TestResult {
[INFO] [stderr]    |        ---------- fields in this struct
[INFO] [stderr] 55 |     strategy_name: &'static str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 56 |     average_cost: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TestResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `contestant_strategy` and `number_of_wins` are never read
[INFO] [stderr]   --> src/goat.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 72 | struct TestResult {
[INFO] [stderr]    |        ---------- fields in this struct
[INFO] [stderr] 73 |     contestant_strategy: &'static str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 74 |     number_of_wins: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TestResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `probability` (bin "probability" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/probability-dba02a901be48d09)
[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" "e725579451f78347d11b5a600082b406ac94ba93391a246f923cbecc2e092e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e725579451f78347d11b5a600082b406ac94ba93391a246f923cbecc2e092e0e", kill_on_drop: false }`
[INFO] [stdout] e725579451f78347d11b5a600082b406ac94ba93391a246f923cbecc2e092e0e