[INFO] cloning repository https://github.com/AndyHoang/chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndyHoang/chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndyHoang%2Fchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndyHoang%2Fchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54b4c19b42a2bc0a61232f785ac142456f97c576
[INFO] testing AndyHoang/chat against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndyHoang%2Fchat" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndyHoang/chat on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AndyHoang/chat
[INFO] finished tweaking git repo https://github.com/AndyHoang/chat
[INFO] tweaked toml for git repo https://github.com/AndyHoang/chat written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AndyHoang/chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio v0.5.1
[INFO] [stderr]   Downloaded cfg-if v0.1.3
[INFO] [stderr]   Downloaded slab v0.1.3
[INFO] [stderr]   Downloaded http-muncher v0.2.5
[INFO] [stderr]   Downloaded net2 v0.2.32
[INFO] [stderr]   Downloaded miow v0.1.5
[INFO] [stderr]   Downloaded nix v0.5.1
[INFO] [stderr]   Downloaded time v0.1.39
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded bytes v0.3.0
[INFO] [stderr]   Downloaded sha1 v0.1.1
[INFO] [stderr]   Downloaded byteorder v1.2.2
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6aaa55b88b8e59546eb91ee02cfcc937843eeba0d10edc17e7273954e653739
[INFO] running `Command { std: "docker" "start" "-a" "e6aaa55b88b8e59546eb91ee02cfcc937843eeba0d10edc17e7273954e653739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6aaa55b88b8e59546eb91ee02cfcc937843eeba0d10edc17e7273954e653739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6aaa55b88b8e59546eb91ee02cfcc937843eeba0d10edc17e7273954e653739", kill_on_drop: false }`
[INFO] [stdout] e6aaa55b88b8e59546eb91ee02cfcc937843eeba0d10edc17e7273954e653739
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6809a7d790b32b730ebb2353066311729ca162954bb5fd7010902176e0ba833
[INFO] running `Command { std: "docker" "start" "-a" "c6809a7d790b32b730ebb2353066311729ca162954bb5fd7010902176e0ba833", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling sha1 v0.1.1
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling http-muncher v0.2.5
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling mio v0.5.1
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:133:44
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     self.http_parser.parse((&buf[0..len]));
[INFO] [stdout]     |                                            ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 133 -                     self.http_parser.parse((&buf[0..len]));
[INFO] [stdout] 133 +                     self.http_parser.parse(&buf[0..len]);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     let mut client = self.clients.get_mut(&token).unwrap();
[INFO] [stdout]     |                         ----^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "c6809a7d790b32b730ebb2353066311729ca162954bb5fd7010902176e0ba833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6809a7d790b32b730ebb2353066311729ca162954bb5fd7010902176e0ba833", kill_on_drop: false }`
[INFO] [stdout] c6809a7d790b32b730ebb2353066311729ca162954bb5fd7010902176e0ba833
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b822680d2aac7720d0c198e16a34a03899f2518a5e17cb90d17640d4bd7c96b8
[INFO] running `Command { std: "docker" "start" "-a" "b822680d2aac7720d0c198e16a34a03899f2518a5e17cb90d17640d4bd7c96b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:133:44
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     self.http_parser.parse((&buf[0..len]));
[INFO] [stdout]     |                                            ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 133 -                     self.http_parser.parse((&buf[0..len]));
[INFO] [stdout] 133 +                     self.http_parser.parse(&buf[0..len]);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     let mut client = self.clients.get_mut(&token).unwrap();
[INFO] [stdout]     |                         ----^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "b822680d2aac7720d0c198e16a34a03899f2518a5e17cb90d17640d4bd7c96b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b822680d2aac7720d0c198e16a34a03899f2518a5e17cb90d17640d4bd7c96b8", kill_on_drop: false }`
[INFO] [stdout] b822680d2aac7720d0c198e16a34a03899f2518a5e17cb90d17640d4bd7c96b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3b40b958042507063f96ecaa01f3160475dbce0b4e220717ff3c0064d4be3e6
[INFO] running `Command { std: "docker" "start" "-a" "c3b40b958042507063f96ecaa01f3160475dbce0b4e220717ff3c0064d4be3e6", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/main.rs:133:44
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     self.http_parser.parse((&buf[0..len]));
[INFO] [stderr]     |                                            ^            ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 133 -                     self.http_parser.parse((&buf[0..len]));
[INFO] [stderr] 133 +                     self.http_parser.parse(&buf[0..len]);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:103:25
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     let mut client = self.clients.get_mut(&token).unwrap();
[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] warning: `chat` (bin "chat" test) generated 2 warnings (run `cargo fix --bin "chat" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chat-c943639614ef32e8)
[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" "c3b40b958042507063f96ecaa01f3160475dbce0b4e220717ff3c0064d4be3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b40b958042507063f96ecaa01f3160475dbce0b4e220717ff3c0064d4be3e6", kill_on_drop: false }`
[INFO] [stdout] c3b40b958042507063f96ecaa01f3160475dbce0b4e220717ff3c0064d4be3e6