[INFO] fetching crate rcs_backend 0.2.1... [INFO] checking rcs_backend-0.2.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate rcs_backend 0.2.1 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate rcs_backend 0.2.1 [INFO] finished tweaking crates.io crate rcs_backend 0.2.1 [INFO] tweaked toml for crates.io crate rcs_backend 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rcs_backend 0.2.1 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 crates.io crate rcs_backend 0.2.1 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 646fd9abb1308b5212aaa6be0eb200b7eb5e38852f049f07b85c39457862d6fd [INFO] running `Command { std: "docker" "start" "-a" "646fd9abb1308b5212aaa6be0eb200b7eb5e38852f049f07b85c39457862d6fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "646fd9abb1308b5212aaa6be0eb200b7eb5e38852f049f07b85c39457862d6fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "646fd9abb1308b5212aaa6be0eb200b7eb5e38852f049f07b85c39457862d6fd", kill_on_drop: false }` [INFO] [stdout] 646fd9abb1308b5212aaa6be0eb200b7eb5e38852f049f07b85c39457862d6fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c88d20893c9e1e659a08289cfd84d34773d6c74c88ab8f6ba668652ce7195596 [INFO] running `Command { std: "docker" "start" "-a" "c88d20893c9e1e659a08289cfd84d34773d6c74c88ab8f6ba668652ce7195596", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.118 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Checking http v0.2.6 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking mio v0.8.0 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Compiling httparse v1.6.0 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking tracing-core v0.1.22 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking tracing v0.1.30 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Compiling pin-project-internal v0.4.29 [INFO] [stderr] Checking cpufeatures v0.2.1 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking http-body v0.4.4 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Checking sha-1 v0.9.8 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking num_threads v0.1.3 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling time-macros v0.2.3 [INFO] [stderr] Checking httpdate v1.0.2 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking filetime v0.2.15 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking xattr v0.2.2 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Compiling cookie v0.16.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking flate2 v1.0.22 [INFO] [stderr] Checking time v0.3.7 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking tar v0.4.38 [INFO] [stderr] Checking pem v1.0.2 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Compiling paste v1.0.6 [INFO] [stderr] Checking unidecode v0.3.0 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking tungstenite v0.16.0 [INFO] [stderr] Checking pin-project v1.0.10 [INFO] [stderr] Checking simple_asn1 v0.6.1 [INFO] [stderr] Checking pin-project v0.4.29 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking backoff v0.4.0 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking tokio-tungstenite v0.16.1 [INFO] [stderr] Checking async-tungstenite v0.16.1 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking h2 v0.3.11 [INFO] [stderr] Checking futures_codec v0.4.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking jsonwebtoken v8.0.1 [INFO] [stderr] Checking hyper v0.14.17 [INFO] [stderr] Checking hyperlocal v0.8.0 [INFO] [stderr] Checking hyper-tungstenite v0.5.0 [INFO] [stderr] Checking docker-api v0.8.0 [INFO] [stderr] Checking rcs_backend v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | / /// Path to configuration file. If left out, default configuration will be used. [INFO] [stdout] 12 | | #[structopt(short, long)] [INFO] [stdout] 13 | | config: Option, [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, Infallible> [INFO] [stdout] --> src/main.rs:37:20 [INFO] [stdout] | [INFO] [stdout] 37 | async move { Ok::<_, Infallible>(service_fn(move |req| proxy(client.clone(), req, leak))) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:37:22 [INFO] [stdout] | [INFO] [stdout] 37 | async move { Ok::<_, Infallible>(service_fn(move |req| proxy(client.clone(), req, leak))) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rcs_backend` (bin "rcs-backend" test) due to 3 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 [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | / /// Path to configuration file. If left out, default configuration will be used. [INFO] [stdout] 12 | | #[structopt(short, long)] [INFO] [stdout] 13 | | config: Option, [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, Infallible> [INFO] [stdout] --> src/main.rs:37:20 [INFO] [stdout] | [INFO] [stdout] 37 | async move { Ok::<_, Infallible>(service_fn(move |req| proxy(client.clone(), req, leak))) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:37:22 [INFO] [stdout] | [INFO] [stdout] 37 | async move { Ok::<_, Infallible>(service_fn(move |req| proxy(client.clone(), req, leak))) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rcs_backend` (bin "rcs-backend") due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "c88d20893c9e1e659a08289cfd84d34773d6c74c88ab8f6ba668652ce7195596", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c88d20893c9e1e659a08289cfd84d34773d6c74c88ab8f6ba668652ce7195596", kill_on_drop: false }` [INFO] [stdout] c88d20893c9e1e659a08289cfd84d34773d6c74c88ab8f6ba668652ce7195596