[INFO] fetching crate kcpclient 0.1.1...
[INFO] checking kcpclient-0.1.1 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate kcpclient 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate kcpclient 0.1.1 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kcpclient 0.1.1
[INFO] finished tweaking crates.io crate kcpclient 0.1.1
[INFO] tweaked toml for crates.io crate kcpclient 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] de9a1f5beb96b01c3663e4594e8321488d48f59a27ab09c7d405d9bcf20668e6
[INFO] running `Command { std: "docker" "start" "-a" "de9a1f5beb96b01c3663e4594e8321488d48f59a27ab09c7d405d9bcf20668e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de9a1f5beb96b01c3663e4594e8321488d48f59a27ab09c7d405d9bcf20668e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9a1f5beb96b01c3663e4594e8321488d48f59a27ab09c7d405d9bcf20668e6", kill_on_drop: false }`
[INFO] [stdout] de9a1f5beb96b01c3663e4594e8321488d48f59a27ab09c7d405d9bcf20668e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a001f7e0f39e6738f11b9963a8d9b8f37895d233d85b8c57127b1c83bdd52f12
[INFO] running `Command { std: "docker" "start" "-a" "a001f7e0f39e6738f11b9963a8d9b8f37895d233d85b8c57127b1c83bdd52f12", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking kcpclient v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/kcp/kcp.rs:594:19
[INFO] [stdout]     |
[INFO] [stdout] 594 |         while buf.remaining() >= KCP_OVERHEAD as usize {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `remaining(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(cursor_remaining)]` to the crate attributes to enable `std::io::Cursor::<T>::remaining`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/kcp/kcp.rs:594:19
[INFO] [stdout]     |
[INFO] [stdout] 594 |         while buf.remaining() >= KCP_OVERHEAD as usize {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `remaining(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(cursor_remaining)]` to the crate attributes to enable `std::io::Cursor::<T>::remaining`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/kcp/kcp.rs:617:20
[INFO] [stdout]     |
[INFO] [stdout] 617 |             if buf.remaining() < len as usize {
[INFO] [stdout]     |                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `remaining(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(cursor_remaining)]` to the crate attributes to enable `std::io::Cursor::<T>::remaining`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/kcp/kcp.rs:622:25
[INFO] [stdout]     |
[INFO] [stdout] 622 |                     buf.remaining()
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `remaining(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(cursor_remaining)]` to the crate attributes to enable `std::io::Cursor::<T>::remaining`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/kcp/kcp.rs:624:67
[INFO] [stdout]     |
[INFO] [stdout] 624 |                 return Err(Error::InvalidSegmentDataSize(len, buf.remaining()));
[INFO] [stdout]     |                                                                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `remaining(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(cursor_remaining)]` to the crate attributes to enable `std::io::Cursor::<T>::remaining`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/kcp/kcp.rs:617:20
[INFO] [stdout]     |
[INFO] [stdout] 617 |             if buf.remaining() < len as usize {
[INFO] [stdout]     |                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `remaining(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(cursor_remaining)]` to the crate attributes to enable `std::io::Cursor::<T>::remaining`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/kcp/kcp.rs:622:25
[INFO] [stdout]     |
[INFO] [stdout] 622 |                     buf.remaining()
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `remaining(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(cursor_remaining)]` to the crate attributes to enable `std::io::Cursor::<T>::remaining`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/kcp/kcp.rs:624:67
[INFO] [stdout]     |
[INFO] [stdout] 624 |                 return Err(Error::InvalidSegmentDataSize(len, buf.remaining()));
[INFO] [stdout]     |                                                                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `remaining(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(cursor_remaining)]` to the crate attributes to enable `std::io::Cursor::<T>::remaining`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.83s
[INFO] running `Command { std: "docker" "inspect" "a001f7e0f39e6738f11b9963a8d9b8f37895d233d85b8c57127b1c83bdd52f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a001f7e0f39e6738f11b9963a8d9b8f37895d233d85b8c57127b1c83bdd52f12", kill_on_drop: false }`
[INFO] [stdout] a001f7e0f39e6738f11b9963a8d9b8f37895d233d85b8c57127b1c83bdd52f12