[INFO] cloning repository https://github.com/rarebreed/retro-service
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rarebreed/retro-service" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frarebreed%2Fretro-service", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frarebreed%2Fretro-service'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53e85b9f4a4a760bc4c9b096f6ab462ca2247fef
[INFO] testing rarebreed/retro-service against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frarebreed%2Fretro-service" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rarebreed/retro-service on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rarebreed/retro-service
[INFO] finished tweaking git repo https://github.com/rarebreed/retro-service
[INFO] tweaked toml for git repo https://github.com/rarebreed/retro-service written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/rarebreed/retro-service already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4421cc2f9d768c17485822cc2a7514dd289ebc28f93de63f3c0cce74c044a3a0
[INFO] running `Command { std: "docker" "start" "-a" "4421cc2f9d768c17485822cc2a7514dd289ebc28f93de63f3c0cce74c044a3a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4421cc2f9d768c17485822cc2a7514dd289ebc28f93de63f3c0cce74c044a3a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4421cc2f9d768c17485822cc2a7514dd289ebc28f93de63f3c0cce74c044a3a0", kill_on_drop: false }`
[INFO] [stdout] 4421cc2f9d768c17485822cc2a7514dd289ebc28f93de63f3c0cce74c044a3a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f41081f98b608301ad4644ee8c4e728f101bd203bcf9dd271e3cad247ccfccdd
[INFO] running `Command { std: "docker" "start" "-a" "f41081f98b608301ad4644ee8c4e728f101bd203bcf9dd271e3cad247ccfccdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stderr]    Compiling retro v0.1.0 (/opt/rustwide/workdir/retro)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.38s
[INFO] running `Command { std: "docker" "inspect" "f41081f98b608301ad4644ee8c4e728f101bd203bcf9dd271e3cad247ccfccdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41081f98b608301ad4644ee8c4e728f101bd203bcf9dd271e3cad247ccfccdd", kill_on_drop: false }`
[INFO] [stdout] f41081f98b608301ad4644ee8c4e728f101bd203bcf9dd271e3cad247ccfccdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddd2d55aba4752e5fbf1845f9acfaac2ce25e94858ea108cbdda57584e21ba40
[INFO] running `Command { std: "docker" "start" "-a" "ddd2d55aba4752e5fbf1845f9acfaac2ce25e94858ea108cbdda57584e21ba40", kill_on_drop: false }`
[INFO] [stderr]    Compiling retro v0.1.0 (/opt/rustwide/workdir/retro)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> retro/src/tasks/probability.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |         for n in 0..100000 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `roll`
[INFO] [stdout]    --> retro/src/tasks/probability.rs:177:29
[INFO] [stdout]     |
[INFO] [stdout] 177 |             let (successes, roll) = get_successes(&pool, 5, 10);
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_roll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]    --> retro/src/tasks/probability.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let foo = avg.into_iter().fold(&mut scores, |acc, next| {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "ddd2d55aba4752e5fbf1845f9acfaac2ce25e94858ea108cbdda57584e21ba40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd2d55aba4752e5fbf1845f9acfaac2ce25e94858ea108cbdda57584e21ba40", kill_on_drop: false }`
[INFO] [stdout] ddd2d55aba4752e5fbf1845f9acfaac2ce25e94858ea108cbdda57584e21ba40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0ba00c0663a6c945c5c75390f67fd8d1e4b6928cc69156c1bbf5f43f1878d00
[INFO] running `Command { std: "docker" "start" "-a" "d0ba00c0663a6c945c5c75390f67fd8d1e4b6928cc69156c1bbf5f43f1878d00", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stdout] running 2 tests
[INFO] [stderr]    --> retro/src/tasks/probability.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |         for n in 0..100000 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `roll`
[INFO] [stderr]    --> retro/src/tasks/probability.rs:177:29
[INFO] [stderr]     |
[INFO] [stderr] 177 |             let (successes, roll) = get_successes(&pool, 5, 10);
[INFO] [stderr]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_roll`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `foo`
[INFO] [stderr]    --> retro/src/tasks/probability.rs:187:13
[INFO] [stderr]     |
[INFO] [stderr] 187 |         let foo = avg.into_iter().fold(&mut scores, |acc, next| {
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stderr] 
[INFO] [stderr] warning: `retro` (lib test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/retro-b77467da5b64d0a6)
[INFO] [stdout] test tasks::probability::tests::pool4d20 ... ok
[INFO] [stderr]    Doc-tests retro
[INFO] [stdout] test tasks::probability::tests::average10of20 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.12s
[INFO] [stdout] 
[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" "d0ba00c0663a6c945c5c75390f67fd8d1e4b6928cc69156c1bbf5f43f1878d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ba00c0663a6c945c5c75390f67fd8d1e4b6928cc69156c1bbf5f43f1878d00", kill_on_drop: false }`
[INFO] [stdout] d0ba00c0663a6c945c5c75390f67fd8d1e4b6928cc69156c1bbf5f43f1878d00