[INFO] crate temp_utp 0.8.1 is already in cache
[INFO] testing temp_utp-0.8.1 against 1.38.0 for beta-1.39-1
[INFO] extracting crate temp_utp 0.8.1 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate temp_utp 0.8.1 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate temp_utp 0.8.1
[INFO] finished tweaking crates.io crate temp_utp 0.8.1
[INFO] tweaked toml for crates.io crate temp_utp 0.8.1 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 009e6afd199d2b686a762dc95e7ab96b9b102a3f42743346f70e1975fbeefdf2
[INFO] running `"docker" "start" "-a" "009e6afd199d2b686a762dc95e7ab96b9b102a3f42743346f70e1975fbeefdf2"`
[INFO] [stderr]    Compiling temp_utp v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `min` is imported redundantly
[INFO] [stderr]    --> src/socket.rs:659:33
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::cmp::{min, max};
[INFO] [stderr]     |                --- the item `min` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 659 |                             use std::cmp::min;
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stderr]    --> src/packet.rs:383:30
[INFO] [stderr]     |
[INFO] [stderr] 383 |                 ty: unsafe { transmute(kind) },
[INFO] [stderr]     |                              ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: source type: `u8` (8 bits)
[INFO] [stderr]     = note: target type: `packet::ExtensionType` (0 bits)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/socket.rs:784:17
[INFO] [stderr]     |
[INFO] [stderr] 784 |             let mut packet = &mut self.send_window[0];
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0512`.
[INFO] [stderr] error: Could not compile `temp_utp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "009e6afd199d2b686a762dc95e7ab96b9b102a3f42743346f70e1975fbeefdf2"`
[INFO] running `"docker" "rm" "-f" "009e6afd199d2b686a762dc95e7ab96b9b102a3f42743346f70e1975fbeefdf2"`
[INFO] [stdout] 009e6afd199d2b686a762dc95e7ab96b9b102a3f42743346f70e1975fbeefdf2