[INFO] cloning repository zackgomez/rust-channel-server [INFO] running `"git" "clone" "--bare" "git://github.com/zackgomez/rust-channel-server.git" "work/cache/sources/gh/zackgomez/rust-channel-server"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/zackgomez/rust-channel-server'... [INFO] running `"git" "clone" "work/cache/sources/gh/zackgomez/rust-channel-server" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/zackgomez/rust-channel-server"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/zackgomez/rust-channel-server'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/zackgomez/rust-channel-server" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/zackgomez/rust-channel-server"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/zackgomez/rust-channel-server'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e253d29910f9e2a296119fde9d8f01ee0ade70bc [INFO] sha for GitHub repo zackgomez/rust-channel-server: e253d29910f9e2a296119fde9d8f01ee0ade70bc [INFO] validating manifest of zackgomez/rust-channel-server on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of zackgomez/rust-channel-server on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing zackgomez/rust-channel-server [INFO] finished frobbing zackgomez/rust-channel-server [INFO] frobbed toml for zackgomez/rust-channel-server written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/zackgomez/rust-channel-server/Cargo.toml [INFO] started frobbing zackgomez/rust-channel-server [INFO] finished frobbing zackgomez/rust-channel-server [INFO] frobbed toml for zackgomez/rust-channel-server written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/zackgomez/rust-channel-server/Cargo.toml [INFO] crate zackgomez/rust-channel-server already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking zackgomez/rust-channel-server against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-5/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/zackgomez/rust-channel-server:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f3ea68a0de75d0c7fe3bdc5730e3142c277de64403913314476ec308a31a8544 [INFO] running `"docker" "start" "-a" "f3ea68a0de75d0c7fe3bdc5730e3142c277de64403913314476ec308a31a8544"` [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking tokio-sync v0.1.4 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking ws v0.8.0 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking redis v0.10.0 [INFO] [stderr] Checking channel-server-rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::cell::RefCell` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::cell::RefCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::RefCell` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::cell::RefCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `shake` [INFO] [stderr] --> src/main.rs:126:27 [INFO] [stderr] | [INFO] [stderr] 126 | fn on_open(&mut self, shake: ws::Handshake) -> ws::Result<()> { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_shake` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `shake` [INFO] [stderr] --> src/main.rs:126:27 [INFO] [stderr] | [INFO] [stderr] 126 | fn on_open(&mut self, shake: ws::Handshake) -> ws::Result<()> { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_shake` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.85s [INFO] running `"docker" "inspect" "f3ea68a0de75d0c7fe3bdc5730e3142c277de64403913314476ec308a31a8544"` [INFO] running `"docker" "rm" "-f" "f3ea68a0de75d0c7fe3bdc5730e3142c277de64403913314476ec308a31a8544"` [INFO] [stdout] f3ea68a0de75d0c7fe3bdc5730e3142c277de64403913314476ec308a31a8544