[INFO] cloning repository https://github.com/LVivona/safelz4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LVivona/safelz4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLVivona%2Fsafelz4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLVivona%2Fsafelz4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b984a9a716574fec5715659c9e078fa14cd3a16
[INFO] checking LVivona/safelz4 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%2FLVivona%2Fsafelz4" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LVivona/safelz4
[INFO] finished tweaking git repo https://github.com/LVivona/safelz4
[INFO] tweaked toml for git repo https://github.com/LVivona/safelz4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LVivona/safelz4 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]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding lz4_flex v0.11.3 (available: v0.11.5)
[INFO] [stderr]       Adding pyo3 v0.24.2 (available: v0.27.1)
[INFO] [stderr]       Adding twox-hash v1.6.3 (available: v2.1.2)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 849be99eb0dda1bffdc14451c44e1cc404f38179759562d30cf8bbbdc623c9a5
[INFO] running `Command { std: "docker" "start" "-a" "849be99eb0dda1bffdc14451c44e1cc404f38179759562d30cf8bbbdc623c9a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "849be99eb0dda1bffdc14451c44e1cc404f38179759562d30cf8bbbdc623c9a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "849be99eb0dda1bffdc14451c44e1cc404f38179759562d30cf8bbbdc623c9a5", kill_on_drop: false }`
[INFO] [stdout] 849be99eb0dda1bffdc14451c44e1cc404f38179759562d30cf8bbbdc623c9a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 37826a2ebfd31b1df6d099bc78ed25f984156bda966ded78ba3d452cec05ab2d
[INFO] running `Command { std: "docker" "start" "-a" "37826a2ebfd31b1df6d099bc78ed25f984156bda966ded78ba3d452cec05ab2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking lz4_flex v0.11.3
[INFO] [stderr]    Compiling pyo3-build-config v0.24.2
[INFO] [stderr]     Checking memmap2 v0.9.9
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling pyo3-ffi v0.24.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.24.2
[INFO] [stderr]    Compiling pyo3 v0.24.2
[INFO] [stderr]    Compiling pyo3-macros v0.24.2
[INFO] [stderr]     Checking safelz4_py v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/block.rs:18:49
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn get_maximum_output_size(input_len: usize) -> usize {
[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<PyBlockSize, Infallible>
[INFO] [stdout]    --> src/frame.rs:112:47
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn from_buf_length(buf_len: usize) -> Self {
[INFO] [stdout]     |                                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PyFrameInfo, Infallible>
[INFO] [stdout]    --> src/frame.rs:252:21
[INFO] [stdout]     |
[INFO] [stdout] 252 |     fn default() -> Self {
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Py<PyFrameDecoderReader>, Infallible>
[INFO] [stdout]     --> src/frame.rs:1214:27
[INFO] [stdout]      |
[INFO] [stdout] 1214 |     pub fn __enter__(slf: Py<Self>) -> Py<Self> {
[INFO] [stdout]      |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Py<PyFrameDecoderReader>, Infallible>
[INFO] [stdout]     --> src/frame.rs:1214:40
[INFO] [stdout]      |
[INFO] [stdout] 1214 |     pub fn __enter__(slf: Py<Self>) -> Py<Self> {
[INFO] [stdout]      |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Py<PyFrameEncoderWriter>, Infallible>
[INFO] [stdout]     --> src/frame.rs:1367:27
[INFO] [stdout]      |
[INFO] [stdout] 1367 |     pub fn __enter__(slf: Py<Self>) -> Py<Self> {
[INFO] [stdout]      |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Py<PyFrameEncoderWriter>, Infallible>
[INFO] [stdout]     --> src/frame.rs:1367:40
[INFO] [stdout]      |
[INFO] [stdout] 1367 |     pub fn __enter__(slf: Py<Self>) -> Py<Self> {
[INFO] [stdout]      |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/block.rs:18:49
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn get_maximum_output_size(input_len: usize) -> usize {
[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<PyBlockSize, Infallible>
[INFO] [stdout]    --> src/frame.rs:112:47
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn from_buf_length(buf_len: usize) -> Self {
[INFO] [stdout]     |                                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PyFrameInfo, Infallible>
[INFO] [stdout]    --> src/frame.rs:252:21
[INFO] [stdout]     |
[INFO] [stdout] 252 |     fn default() -> Self {
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Py<PyFrameDecoderReader>, Infallible>
[INFO] [stdout]     --> src/frame.rs:1214:27
[INFO] [stdout]      |
[INFO] [stdout] 1214 |     pub fn __enter__(slf: Py<Self>) -> Py<Self> {
[INFO] [stdout]      |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Py<PyFrameDecoderReader>, Infallible>
[INFO] [stdout]     --> src/frame.rs:1214:40
[INFO] [stdout]      |
[INFO] [stdout] 1214 |     pub fn __enter__(slf: Py<Self>) -> Py<Self> {
[INFO] [stdout]      |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Py<PyFrameEncoderWriter>, Infallible>
[INFO] [stdout]     --> src/frame.rs:1367:27
[INFO] [stdout]      |
[INFO] [stdout] 1367 |     pub fn __enter__(slf: Py<Self>) -> Py<Self> {
[INFO] [stdout]      |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Py<PyFrameEncoderWriter>, Infallible>
[INFO] [stdout]     --> src/frame.rs:1367:40
[INFO] [stdout]      |
[INFO] [stdout] 1367 |     pub fn __enter__(slf: Py<Self>) -> Py<Self> {
[INFO] [stdout]      |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `safelz4_py` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `safelz4_py` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "37826a2ebfd31b1df6d099bc78ed25f984156bda966ded78ba3d452cec05ab2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37826a2ebfd31b1df6d099bc78ed25f984156bda966ded78ba3d452cec05ab2d", kill_on_drop: false }`
[INFO] [stdout] 37826a2ebfd31b1df6d099bc78ed25f984156bda966ded78ba3d452cec05ab2d
