[INFO] fetching crate xpress_rs 0.2.0...
[INFO] checking xpress_rs-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate xpress_rs 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate xpress_rs 0.2.0
[INFO] finished tweaking crates.io crate xpress_rs 0.2.0
[INFO] tweaked toml for crates.io crate xpress_rs 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xpress_rs 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.8)
[INFO] [stderr]       Adding windows v0.48.0 (available: v0.62.2)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d5ae815d5fea35f79ebbee1c4de4d9428ebd916a6cbf3896836a6cac259d456f
[INFO] running `Command { std: "docker" "start" "-a" "d5ae815d5fea35f79ebbee1c4de4d9428ebd916a6cbf3896836a6cac259d456f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5ae815d5fea35f79ebbee1c4de4d9428ebd916a6cbf3896836a6cac259d456f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ae815d5fea35f79ebbee1c4de4d9428ebd916a6cbf3896836a6cac259d456f", kill_on_drop: false }`
[INFO] [stdout] d5ae815d5fea35f79ebbee1c4de4d9428ebd916a6cbf3896836a6cac259d456f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 84542bc1779c3a050e6992b72137f8be66af4a9baf62db8329fbf293e264f963
[INFO] running `Command { std: "docker" "start" "-a" "84542bc1779c3a050e6992b72137f8be66af4a9baf62db8329fbf293e264f963", kill_on_drop: false }`
[INFO] [stderr]    Compiling windows_x86_64_gnu v0.48.5
[INFO] [stderr]     Checking xxhash-rust v0.8.15
[INFO] [stderr]     Checking xpress_rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking windows-targets v0.48.5
[INFO] [stderr]     Checking windows v0.48.0
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lz77.rs:445:29
[INFO] [stdout]     |
[INFO] [stdout] 445 | / ...                   self.input_buffer[self.input_position]
[INFO] [stdout] 446 | | ...                       .try_into()
[INFO] [stdout]     | |_____________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xpress_rs` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "84542bc1779c3a050e6992b72137f8be66af4a9baf62db8329fbf293e264f963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84542bc1779c3a050e6992b72137f8be66af4a9baf62db8329fbf293e264f963", kill_on_drop: false }`
[INFO] [stdout] 84542bc1779c3a050e6992b72137f8be66af4a9baf62db8329fbf293e264f963
