[INFO] cloning repository https://github.com/Flimster/fivews
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Flimster/fivews" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlimster%2Ffivews", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlimster%2Ffivews'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f980b2c901d53452726bfa548807196e93cd2af9
[INFO] checking Flimster/fivews 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%2FFlimster%2Ffivews" "/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/Flimster/fivews
[INFO] finished tweaking git repo https://github.com/Flimster/fivews
[INFO] tweaked toml for git repo https://github.com/Flimster/fivews written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Flimster/fivews 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/Flimster/fivews 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] c26be94e5365ef2709451a2ab8a2a721969ea0d16e3ee74670f9d63c0dc2210b
[INFO] running `Command { std: "docker" "start" "-a" "c26be94e5365ef2709451a2ab8a2a721969ea0d16e3ee74670f9d63c0dc2210b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c26be94e5365ef2709451a2ab8a2a721969ea0d16e3ee74670f9d63c0dc2210b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26be94e5365ef2709451a2ab8a2a721969ea0d16e3ee74670f9d63c0dc2210b", kill_on_drop: false }`
[INFO] [stdout] c26be94e5365ef2709451a2ab8a2a721969ea0d16e3ee74670f9d63c0dc2210b
[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] 0156ea2b6e4876c0b871f7fdc56e604c80893113651a052a1cd20d132f2cf700
[INFO] running `Command { std: "docker" "start" "-a" "0156ea2b6e4876c0b871f7fdc56e604c80893113651a052a1cd20d132f2cf700", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking multipart v0.17.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking fivewsdb v0.1.0 (/opt/rustwide/workdir/fivewsdb)
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stdout] error: this type will no longer be must used: Result<warp::reply::Json, Infallible>
[INFO] [stdout]   --> server/src/paths.rs:15:81
[INFO] [stdout]    |
[INFO] [stdout] 15 |   async fn list_entries(query: DbQuery, db: ServerDB) -> Result<Json, Infallible> {
[INFO] [stdout]    |  _________________________________________________________________________________^
[INFO] [stdout] 16 | |     let entries: Vec<LogEntry> = db
[INFO] [stdout] 17 | |         .read()
[INFO] [stdout] 18 | |         .await
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     Ok(warp::reply::json(&entries))
[INFO] [stdout] 30 | | }
[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<warp::reply::Json, Infallible>
[INFO] [stdout]   --> server/src/paths.rs:15:81
[INFO] [stdout]    |
[INFO] [stdout] 15 |   async fn list_entries(query: DbQuery, db: ServerDB) -> Result<Json, Infallible> {
[INFO] [stdout]    |  _________________________________________________________________________________^
[INFO] [stdout] 16 | |     let entries: Vec<LogEntry> = db
[INFO] [stdout] 17 | |         .read()
[INFO] [stdout] 18 | |         .await
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     Ok(warp::reply::json(&entries))
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<warp::reply::Json, Infallible>
[INFO] [stdout]   --> server/src/paths.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Ok(warp::reply::json(&entries))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StatusCode, Infallible>
[INFO] [stdout]   --> server/src/paths.rs:40:95
[INFO] [stdout]    |
[INFO] [stdout] 40 |   async fn update_database(log_entry: LogEntry, db: ServerDB) -> Result<StatusCode, Infallible> {
[INFO] [stdout]    |  _______________________________________________________________________________________________^
[INFO] [stdout] 41 | |     db.write()
[INFO] [stdout] 42 | |         .await
[INFO] [stdout] 43 | |         .update(
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |     Ok(StatusCode::CREATED)
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StatusCode, Infallible>
[INFO] [stdout]   --> server/src/paths.rs:40:95
[INFO] [stdout]    |
[INFO] [stdout] 40 |   async fn update_database(log_entry: LogEntry, db: ServerDB) -> Result<StatusCode, Infallible> {
[INFO] [stdout]    |  _______________________________________________________________________________________________^
[INFO] [stdout] 41 | |     db.write()
[INFO] [stdout] 42 | |         .await
[INFO] [stdout] 43 | |         .update(
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |     Ok(StatusCode::CREATED)
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StatusCode, Infallible>
[INFO] [stdout]   --> server/src/paths.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     Ok(StatusCode::CREATED)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `server` (lib test) due to 6 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<Json, Infallible>
[INFO] [stdout]   --> server/src/paths.rs:15:81
[INFO] [stdout]    |
[INFO] [stdout] 15 |   async fn list_entries(query: DbQuery, db: ServerDB) -> Result<Json, Infallible> {
[INFO] [stdout]    |  _________________________________________________________________________________^
[INFO] [stdout] 16 | |     let entries: Vec<LogEntry> = db
[INFO] [stdout] 17 | |         .read()
[INFO] [stdout] 18 | |         .await
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     Ok(warp::reply::json(&entries))
[INFO] [stdout] 30 | | }
[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<Json, Infallible>
[INFO] [stdout]   --> server/src/paths.rs:15:81
[INFO] [stdout]    |
[INFO] [stdout] 15 |   async fn list_entries(query: DbQuery, db: ServerDB) -> Result<Json, Infallible> {
[INFO] [stdout]    |  _________________________________________________________________________________^
[INFO] [stdout] 16 | |     let entries: Vec<LogEntry> = db
[INFO] [stdout] 17 | |         .read()
[INFO] [stdout] 18 | |         .await
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     Ok(warp::reply::json(&entries))
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Json, Infallible>
[INFO] [stdout]   --> server/src/paths.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Ok(warp::reply::json(&entries))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StatusCode, Infallible>
[INFO] [stdout]   --> server/src/paths.rs:40:95
[INFO] [stdout]    |
[INFO] [stdout] 40 |   async fn update_database(log_entry: LogEntry, db: ServerDB) -> Result<StatusCode, Infallible> {
[INFO] [stdout]    |  _______________________________________________________________________________________________^
[INFO] [stdout] 41 | |     db.write()
[INFO] [stdout] 42 | |         .await
[INFO] [stdout] 43 | |         .update(
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |     Ok(StatusCode::CREATED)
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StatusCode, Infallible>
[INFO] [stdout]   --> server/src/paths.rs:40:95
[INFO] [stdout]    |
[INFO] [stdout] 40 |   async fn update_database(log_entry: LogEntry, db: ServerDB) -> Result<StatusCode, Infallible> {
[INFO] [stdout]    |  _______________________________________________________________________________________________^
[INFO] [stdout] 41 | |     db.write()
[INFO] [stdout] 42 | |         .await
[INFO] [stdout] 43 | |         .update(
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |     Ok(StatusCode::CREATED)
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StatusCode, Infallible>
[INFO] [stdout]   --> server/src/paths.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     Ok(StatusCode::CREATED)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `server` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "0156ea2b6e4876c0b871f7fdc56e604c80893113651a052a1cd20d132f2cf700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0156ea2b6e4876c0b871f7fdc56e604c80893113651a052a1cd20d132f2cf700", kill_on_drop: false }`
[INFO] [stdout] 0156ea2b6e4876c0b871f7fdc56e604c80893113651a052a1cd20d132f2cf700
