[INFO] fetching crate ggrs 0.11.1...
[INFO] checking ggrs-0.11.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ggrs 0.11.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ggrs 0.11.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ggrs 0.11.1
[INFO] tweaked toml for crates.io crate ggrs 0.11.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ggrs 0.11.1 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 ggrs 0.11.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a25a56f43bd9b59e662c0e79f64f4ac24295aea95c59c2e9ff2aeedd045d104a
[INFO] running `Command { std: "docker" "start" "-a" "a25a56f43bd9b59e662c0e79f64f4ac24295aea95c59c2e9ff2aeedd045d104a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a25a56f43bd9b59e662c0e79f64f4ac24295aea95c59c2e9ff2aeedd045d104a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a25a56f43bd9b59e662c0e79f64f4ac24295aea95c59c2e9ff2aeedd045d104a", kill_on_drop: false }`
[INFO] [stdout] a25a56f43bd9b59e662c0e79f64f4ac24295aea95c59c2e9ff2aeedd045d104a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0070eb2953b31460cfbb4268bdfad38825750fcb87d8439dee833891b36c0863
[INFO] running `Command { std: "docker" "start" "-a" "0070eb2953b31460cfbb4268bdfad38825750fcb87d8439dee833891b36c0863", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling miniquad v0.4.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking varinteger v1.0.6
[INFO] [stderr]     Checking ttf-parser v0.21.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking bitfield-rle v0.2.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking quad-rand v0.2.3
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking glam v0.27.0
[INFO] [stderr]    Compiling macroquad_macro v0.1.8
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking fontdue v0.9.3
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stderr]     Checking macroquad v0.4.14
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ggrs v0.11.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sessions/p2p_session.rs:588:19
[INFO] [stdout]     |
[INFO] [stdout] 588 |     pub fn events(&mut self) -> Drain<GgrsEvent<T>> {
[INFO] [stdout]     |                   ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided 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] 588 |     pub fn events(&mut self) -> Drain<'_, GgrsEvent<T>> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sessions/p2p_spectator_session.rs:96:19
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn events(&mut self) -> Drain<GgrsEvent<T>> {
[INFO] [stdout]    |                   ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn events(&mut self) -> Drain<'_, GgrsEvent<T>> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/network/protocol.rs:359:24
[INFO] [stdout]     |
[INFO] [stdout] 359 |     pub(crate) fn poll(&mut self, connect_status: &[ConnectionStatus]) -> Drain<Event<T>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 359 |     pub(crate) fn poll(&mut self, connect_status: &[ConnectionStatus]) -> Drain<'_, Event<T>> {
[INFO] [stdout]     |                                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sessions/p2p_session.rs:588:19
[INFO] [stdout]     |
[INFO] [stdout] 588 |     pub fn events(&mut self) -> Drain<GgrsEvent<T>> {
[INFO] [stdout]     |                   ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided 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] 588 |     pub fn events(&mut self) -> Drain<'_, GgrsEvent<T>> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sessions/p2p_spectator_session.rs:96:19
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn events(&mut self) -> Drain<GgrsEvent<T>> {
[INFO] [stdout]    |                   ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn events(&mut self) -> Drain<'_, GgrsEvent<T>> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/network/protocol.rs:359:24
[INFO] [stdout]     |
[INFO] [stdout] 359 |     pub(crate) fn poll(&mut self, connect_status: &[ConnectionStatus]) -> Drain<Event<T>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 359 |     pub(crate) fn poll(&mut self, connect_status: &[ConnectionStatus]) -> Drain<'_, Event<T>> {
[INFO] [stdout]     |                                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/ex_game/ex_game_p2p.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     #[structopt(short, long)]
[INFO] [stdout] 29 | |     players: Vec<String>,
[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 `ggrs` (example "ex_game_p2p") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0070eb2953b31460cfbb4268bdfad38825750fcb87d8439dee833891b36c0863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0070eb2953b31460cfbb4268bdfad38825750fcb87d8439dee833891b36c0863", kill_on_drop: false }`
[INFO] [stdout] 0070eb2953b31460cfbb4268bdfad38825750fcb87d8439dee833891b36c0863
