[INFO] cloning repository https://github.com/oakpr/leaderboard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oakpr/leaderboard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foakpr%2Fleaderboard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foakpr%2Fleaderboard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2860cd21a3cc653fba81e454a5bfcdd995cc42f4
[INFO] checking oakpr/leaderboard against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foakpr%2Fleaderboard" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/oakpr/leaderboard
[INFO] finished tweaking git repo https://github.com/oakpr/leaderboard
[INFO] tweaked toml for git repo https://github.com/oakpr/leaderboard written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oakpr/leaderboard on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/oakpr/leaderboard 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8aabad42230f388517a82265c082fd911aa0920ead05a351d9c350f57345119b
[INFO] running `Command { std: "docker" "start" "-a" "8aabad42230f388517a82265c082fd911aa0920ead05a351d9c350f57345119b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aabad42230f388517a82265c082fd911aa0920ead05a351d9c350f57345119b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aabad42230f388517a82265c082fd911aa0920ead05a351d9c350f57345119b", kill_on_drop: false }`
[INFO] [stdout] 8aabad42230f388517a82265c082fd911aa0920ead05a351d9c350f57345119b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bc411c9a5e6e8545c40a5c146c62d4164b2db3c3034d34b6e76fb99f2c9b13e
[INFO] running `Command { std: "docker" "start" "-a" "3bc411c9a5e6e8545c40a5c146c62d4164b2db3c3034d34b6e76fb99f2c9b13e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]    Compiling tokio v1.21.1
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling digest v0.10.5
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling cookie v0.16.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ref-cast v1.0.9
[INFO] [stderr]    Compiling polyval v0.5.3
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling phf_codegen v0.11.1
[INFO] [stderr]    Compiling ghash v0.4.4
[INFO] [stderr]    Compiling ctr v0.8.0
[INFO] [stderr]    Compiling aes v0.7.5
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling phf v0.11.1
[INFO] [stderr]    Compiling aead v0.4.3
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling time v0.3.14
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling aes-gcm v0.9.4
[INFO] [stderr]    Compiling chrono-tz-build v0.0.3
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling hkdf v0.12.3
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling devise_core v0.3.1
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling futures v0.3.24
[INFO] [stderr]    Compiling stable-pattern v0.1.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling chrono-tz v0.6.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling pear_codegen v0.2.3
[INFO] [stderr]    Compiling ref-cast-impl v1.0.9
[INFO] [stderr]     Checking globset v0.4.9
[INFO] [stderr]    Compiling devise_codegen v0.3.1
[INFO] [stderr]    Compiling hyper v0.14.20
[INFO] [stderr]    Compiling pear v0.2.3
[INFO] [stderr]    Compiling pest v2.3.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling atomic v0.5.1
[INFO] [stderr]    Compiling figment v0.10.7
[INFO] [stderr]    Compiling multer v2.0.3
[INFO] [stderr]    Compiling state v0.5.3
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking iana-time-zone v0.1.48
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling pest_meta v2.3.1
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]    Compiling rocket_http v0.5.0-rc.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling devise v0.3.1
[INFO] [stderr]    Compiling pest_generator v2.3.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]    Compiling rocket v0.5.0-rc.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking tokio-util v0.7.4
[INFO] [stderr]     Checking tokio-stream v0.1.10
[INFO] [stderr]    Compiling pest_derive v2.3.1
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.17
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]    Compiling rocket_codegen v0.5.0-rc.2
[INFO] [stderr]     Checking normpath v0.3.2
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking ubyte v0.10.3
[INFO] [stderr]     Checking ron v0.6.6
[INFO] [stderr]     Checking h2 v0.3.14
[INFO] [stderr]     Checking rustbreak v2.0.0
[INFO] [stderr]     Checking tera v1.17.1
[INFO] [stderr]     Checking rocket_dyn_templates v0.1.0-rc.2
[INFO] [stderr]     Checking leaderboard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:24:34
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Db::load_from_path_or_default("./db".parse().unwrap())
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn score_page(game: String, count: Option<usize>, db: &State<Db>) -> Template {
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     game: String,
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 76 |     player: String,
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&str, Infallible>
[INFO] [stdout]   --> src/main.rs:96:20
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn get_board(game: &str, db: &State<Db>, top: Option<usize>) -> Json<HashMap<String, u64>> {
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leaderboard` (bin "leaderboard" test) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:24:34
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Db::load_from_path_or_default("./db".parse().unwrap())
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn score_page(game: String, count: Option<usize>, db: &State<Db>) -> Template {
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     game: String,
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 76 |     player: String,
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&str, Infallible>
[INFO] [stdout]   --> src/main.rs:96:20
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn get_board(game: &str, db: &State<Db>, top: Option<usize>) -> Json<HashMap<String, u64>> {
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leaderboard` (bin "leaderboard") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "3bc411c9a5e6e8545c40a5c146c62d4164b2db3c3034d34b6e76fb99f2c9b13e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc411c9a5e6e8545c40a5c146c62d4164b2db3c3034d34b6e76fb99f2c9b13e", kill_on_drop: false }`
[INFO] [stdout] 3bc411c9a5e6e8545c40a5c146c62d4164b2db3c3034d34b6e76fb99f2c9b13e
