[INFO] fetching crate lamezip77 0.0.1...
[INFO] checking lamezip77-0.0.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate lamezip77 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate lamezip77 0.0.1
[INFO] finished tweaking crates.io crate lamezip77 0.0.1
[INFO] tweaked toml for crates.io crate lamezip77 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lamezip77 0.0.1 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 lamezip77 0.0.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 31f2615da0baa8d7df47b768e2f7db849a4a19012dac4ea9a144fe88788ee9ab
[INFO] running `Command { std: "docker" "start" "-a" "31f2615da0baa8d7df47b768e2f7db849a4a19012dac4ea9a144fe88788ee9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31f2615da0baa8d7df47b768e2f7db849a4a19012dac4ea9a144fe88788ee9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f2615da0baa8d7df47b768e2f7db849a4a19012dac4ea9a144fe88788ee9ab", kill_on_drop: false }`
[INFO] [stdout] 31f2615da0baa8d7df47b768e2f7db849a4a19012dac4ea9a144fe88788ee9ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4ea05db4aaf3b8a08221ac1ae346ce85d6e7626e916d81717b9a4c4acf8fd228
[INFO] running `Command { std: "docker" "start" "-a" "4ea05db4aaf3b8a08221ac1ae346ce85d6e7626e916d81717b9a4c4acf8fd228", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling lamezip77_macros v0.0.1
[INFO] [stderr]     Checking lamezip77 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sliding_window.rs:203:27
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn get_next_spans(&self, from_pos: u64, bytes: usize) -> SpanSet {
[INFO] [stdout]     |                           ^^^^^ the lifetime is elided here      ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn get_next_spans(&self, from_pos: u64, bytes: usize) -> SpanSet<'_> {
[INFO] [stdout]     |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lz77.rs:278:17
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 MAX_MATCH.try_into().unwrap_or(usize::MAX - MIN_MATCH - 1)
[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 `lamezip77` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sliding_window.rs:203:27
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn get_next_spans(&self, from_pos: u64, bytes: usize) -> SpanSet {
[INFO] [stdout]     |                           ^^^^^ the lifetime is elided here      ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn get_next_spans(&self, from_pos: u64, bytes: usize) -> SpanSet<'_> {
[INFO] [stdout]     |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lz77.rs:278:17
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 MAX_MATCH.try_into().unwrap_or(usize::MAX - MIN_MATCH - 1)
[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 `lamezip77` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "4ea05db4aaf3b8a08221ac1ae346ce85d6e7626e916d81717b9a4c4acf8fd228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ea05db4aaf3b8a08221ac1ae346ce85d6e7626e916d81717b9a4c4acf8fd228", kill_on_drop: false }`
[INFO] [stdout] 4ea05db4aaf3b8a08221ac1ae346ce85d6e7626e916d81717b9a4c4acf8fd228