[INFO] fetching crate servar 0.1.0...
[INFO] checking servar-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate servar 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate servar 0.1.0
[INFO] finished tweaking crates.io crate servar 0.1.0
[INFO] tweaked toml for crates.io crate servar 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate servar 0.1.0 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 servar 0.1.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e5a4068eba79b362d35329842f747b89c72fb19546c8b5cbed7dfa7a28b6d74a
[INFO] running `Command { std: "docker" "start" "-a" "e5a4068eba79b362d35329842f747b89c72fb19546c8b5cbed7dfa7a28b6d74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5a4068eba79b362d35329842f747b89c72fb19546c8b5cbed7dfa7a28b6d74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5a4068eba79b362d35329842f747b89c72fb19546c8b5cbed7dfa7a28b6d74a", kill_on_drop: false }`
[INFO] [stdout] e5a4068eba79b362d35329842f747b89c72fb19546c8b5cbed7dfa7a28b6d74a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a54e89c2c26e9ca1c601ff8076ef36ca2d3c31dcb6940a1af4b3ca3350800959
[INFO] running `Command { std: "docker" "start" "-a" "a54e89c2c26e9ca1c601ff8076ef36ca2d3c31dcb6940a1af4b3ca3350800959", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking cpufeatures v0.2.8
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking build_html v2.4.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rustls-pemfile v1.0.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking headers v0.3.8
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking serde_json v1.0.99
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling pin-project-internal v1.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking tungstenite v0.18.0
[INFO] [stderr]     Checking pin-project v1.1.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tokio-tungstenite v0.18.0
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking warp v0.3.5
[INFO] [stderr]     Checking servar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(short, long, help = "Listen IP", default_value = "0.0.0.0")]
[INFO] [stdout] 20 | |     pub ip: String,
[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<String, Infallible>
[INFO] [stdout]   --> src/httpdir/httpdir.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     #[structopt(
[INFO] [stdout] 23 | |         short = "d",
[INFO] [stdout] 24 | |         long = "directory",
[INFO] [stdout] 25 | |         help = "directory to serve",
[INFO] [stdout] 26 | |         default_value = "."
[INFO] [stdout] 27 | |     )]
[INFO] [stdout] 28 | |     directory: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(short, long, help = "Listen IP", default_value = "0.0.0.0")]
[INFO] [stdout] 20 | |     pub ip: String,
[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<String, Infallible>
[INFO] [stdout]   --> src/httpdir/httpdir.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     #[structopt(
[INFO] [stdout] 23 | |         short = "d",
[INFO] [stdout] 24 | |         long = "directory",
[INFO] [stdout] 25 | |         help = "directory to serve",
[INFO] [stdout] 26 | |         default_value = "."
[INFO] [stdout] 27 | |     )]
[INFO] [stdout] 28 | |     directory: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `servar` (bin "servar" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `servar` (bin "servar") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a54e89c2c26e9ca1c601ff8076ef36ca2d3c31dcb6940a1af4b3ca3350800959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a54e89c2c26e9ca1c601ff8076ef36ca2d3c31dcb6940a1af4b3ca3350800959", kill_on_drop: false }`
[INFO] [stdout] a54e89c2c26e9ca1c601ff8076ef36ca2d3c31dcb6940a1af4b3ca3350800959