[INFO] cloning repository https://github.com/ponchoalv/rust-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ponchoalv/rust-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fponchoalv%2Frust-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fponchoalv%2Frust-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2761c4b80652ba7fa349d2249622630d4ef766a5
[INFO] checking ponchoalv/rust-chat against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fponchoalv%2Frust-chat" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ponchoalv/rust-chat on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ponchoalv/rust-chat
[INFO] finished tweaking git repo https://github.com/ponchoalv/rust-chat
[INFO] tweaked toml for git repo https://github.com/ponchoalv/rust-chat written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ponchoalv/rust-chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 166376557b8739d354bdbf6c0578ed739754e96c198777b42212ecc85e1251be
[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" "166376557b8739d354bdbf6c0578ed739754e96c198777b42212ecc85e1251be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "166376557b8739d354bdbf6c0578ed739754e96c198777b42212ecc85e1251be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166376557b8739d354bdbf6c0578ed739754e96c198777b42212ecc85e1251be", kill_on_drop: false }`
[INFO] [stdout] 166376557b8739d354bdbf6c0578ed739754e96c198777b42212ecc85e1251be
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] 8f1f004b1d5756fd459a4916c14924124cb7040394bae7f11d5a780c57ce430c
[INFO] running `Command { std: "docker" "start" "-a" "8f1f004b1d5756fd459a4916c14924124cb7040394bae7f11d5a780c57ce430c", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking rustc-serialize v0.3.21
[INFO] [stderr]     Checking byteorder v0.3.13
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking sha1 v0.1.1
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]    Compiling http-muncher v0.2.5
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking miow v0.1.3
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid unicode character escape
[INFO] [stdout]   --> src/frame.rs:67:39
[INFO] [stdout]    |
[INFO] [stdout] 67 |         println!("Hello\x20W\u{f3}rld!\u{abcdef}");
[INFO] [stdout]    |                                       ^^^^^^^^^^ invalid escape
[INFO] [stdout]    |
[INFO] [stdout]    = help: unicode escape must be at most 10FFFF
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `stuff`
[INFO] [stdout]  --> src/frame.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | mod stuff;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `stuff`, create file "src/frame/stuff.rs" or "src/frame/stuff/mod.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid unicode character escape
[INFO] [stdout]   --> src/frame.rs:67:39
[INFO] [stdout]    |
[INFO] [stdout] 67 |         println!("Hello\x20W\u{f3}rld!\u{abcdef}");
[INFO] [stdout]    |                                       ^^^^^^^^^^ invalid escape
[INFO] [stdout]    |
[INFO] [stdout]    = help: unicode escape must be at most 10FFFF
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `stuff`
[INFO] [stdout]  --> src/frame.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | mod stuff;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `stuff`, create file "src/frame/stuff.rs" or "src/frame/stuff/mod.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `log`
[INFO] [stdout]  --> src/frame.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate log;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0583.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `log`
[INFO] [stdout]  --> src/frame.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate log;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0583.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chat` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8f1f004b1d5756fd459a4916c14924124cb7040394bae7f11d5a780c57ce430c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1f004b1d5756fd459a4916c14924124cb7040394bae7f11d5a780c57ce430c", kill_on_drop: false }`
[INFO] [stdout] 8f1f004b1d5756fd459a4916c14924124cb7040394bae7f11d5a780c57ce430c