[INFO] cloning repository https://github.com/sh1nduu/rchan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sh1nduu/rchan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsh1nduu%2Frchan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsh1nduu%2Frchan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31480deb7d037148694734851f748ff62b233eed
[INFO] testing sh1nduu/rchan against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsh1nduu%2Frchan" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sh1nduu/rchan on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sh1nduu/rchan
[INFO] finished tweaking git repo https://github.com/sh1nduu/rchan
[INFO] tweaked toml for git repo https://github.com/sh1nduu/rchan written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/sh1nduu/rchan already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d06f773ff23d016cf2f76b1fd84bba64383b12d4e8a5e1bcdabbc78e79340d04
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d06f773ff23d016cf2f76b1fd84bba64383b12d4e8a5e1bcdabbc78e79340d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d06f773ff23d016cf2f76b1fd84bba64383b12d4e8a5e1bcdabbc78e79340d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06f773ff23d016cf2f76b1fd84bba64383b12d4e8a5e1bcdabbc78e79340d04", kill_on_drop: false }`
[INFO] [stdout] d06f773ff23d016cf2f76b1fd84bba64383b12d4e8a5e1bcdabbc78e79340d04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3b1ff1730c54310c9395058b4e772cc1802ed14441fa1389e0ce8512284b85b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f3b1ff1730c54310c9395058b4e772cc1802ed14441fa1389e0ce8512284b85b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rchan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/parser.rs:133:45
[INFO] [stdout]     |
[INFO] [stdout] 133 |     static LVARS: RefCell<LocalVariables> = { RefCell::new(LocalVariables::new()) };
[INFO] [stdout]     |                                             ^^                                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 133 -     static LVARS: RefCell<LocalVariables> = { RefCell::new(LocalVariables::new()) };
[INFO] [stdout] 133 +     static LVARS: RefCell<LocalVariables> = RefCell::new(LocalVariables::new());
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "f3b1ff1730c54310c9395058b4e772cc1802ed14441fa1389e0ce8512284b85b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b1ff1730c54310c9395058b4e772cc1802ed14441fa1389e0ce8512284b85b", kill_on_drop: false }`
[INFO] [stdout] f3b1ff1730c54310c9395058b4e772cc1802ed14441fa1389e0ce8512284b85b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6a45464215d3b5e1eaa6774d32573a63a1cec5f5ef3ebd1714ddcc1ddbd2258
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c6a45464215d3b5e1eaa6774d32573a63a1cec5f5ef3ebd1714ddcc1ddbd2258", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/parser.rs:133:45
[INFO] [stdout]     |
[INFO] [stdout] 133 |     static LVARS: RefCell<LocalVariables> = { RefCell::new(LocalVariables::new()) };
[INFO] [stdout]     |                                             ^^                                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 133 -     static LVARS: RefCell<LocalVariables> = { RefCell::new(LocalVariables::new()) };
[INFO] [stdout] 133 +     static LVARS: RefCell<LocalVariables> = RefCell::new(LocalVariables::new());
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rchan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/parser.rs:133:45
[INFO] [stdout]     |
[INFO] [stdout] 133 |     static LVARS: RefCell<LocalVariables> = { RefCell::new(LocalVariables::new()) };
[INFO] [stdout]     |                                             ^^                                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 133 -     static LVARS: RefCell<LocalVariables> = { RefCell::new(LocalVariables::new()) };
[INFO] [stdout] 133 +     static LVARS: RefCell<LocalVariables> = RefCell::new(LocalVariables::new());
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "c6a45464215d3b5e1eaa6774d32573a63a1cec5f5ef3ebd1714ddcc1ddbd2258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a45464215d3b5e1eaa6774d32573a63a1cec5f5ef3ebd1714ddcc1ddbd2258", kill_on_drop: false }`
[INFO] [stdout] c6a45464215d3b5e1eaa6774d32573a63a1cec5f5ef3ebd1714ddcc1ddbd2258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", 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] 72ce252396d60498d99c96a6a4dc9184fbebe57a3761e379312d70861b83b4ac
[INFO] running `Command { std: "docker" "start" "-a" "72ce252396d60498d99c96a6a4dc9184fbebe57a3761e379312d70861b83b4ac", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]    --> src/parser.rs:133:45
[INFO] [stderr]     |
[INFO] [stderr] 133 |     static LVARS: RefCell<LocalVariables> = { RefCell::new(LocalVariables::new()) };
[INFO] [stderr]     |                                             ^^                                   ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr] 133 -     static LVARS: RefCell<LocalVariables> = { RefCell::new(LocalVariables::new()) };
[INFO] [stderr] 133 +     static LVARS: RefCell<LocalVariables> = RefCell::new(LocalVariables::new());
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `rchan` (lib) generated 1 warning
[INFO] [stderr] warning: `rchan` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rchan-fe68d30b449f10a0)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rchan-52ec81c8ec297cac)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test lexer::tests::test_1 ... ok
[INFO] [stdout] test lexer::tests::test_2 ... ok
[INFO] [stdout] test lexer::tests::test_4 ... ok
[INFO] [stdout] test lexer::tests::test_5 ... ok
[INFO] [stdout] test lexer::tests::test_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rchan
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/parser.rs:133:45
[INFO] [stderr]     |
[INFO] [stderr] 133 |     static LVARS: RefCell<LocalVariables> = { RefCell::new(LocalVariables::new()) };
[INFO] [stderr]     |                                             ^^                                   ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr] 133 -     static LVARS: RefCell<LocalVariables> = { RefCell::new(LocalVariables::new()) };
[INFO] [stderr] 133 +     static LVARS: RefCell<LocalVariables> = RefCell::new(LocalVariables::new());
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "72ce252396d60498d99c96a6a4dc9184fbebe57a3761e379312d70861b83b4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72ce252396d60498d99c96a6a4dc9184fbebe57a3761e379312d70861b83b4ac", kill_on_drop: false }`
[INFO] [stdout] 72ce252396d60498d99c96a6a4dc9184fbebe57a3761e379312d70861b83b4ac