[INFO] cloning repository https://github.com/leebeck3/web-server-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leebeck3/web-server-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleebeck3%2Fweb-server-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleebeck3%2Fweb-server-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67ef6234e2e6e4b46df66a62f1e6602f6ba2c4ef
[INFO] testing leebeck3/web-server-rust against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleebeck3%2Fweb-server-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/leebeck3/web-server-rust
[INFO] finished tweaking git repo https://github.com/leebeck3/web-server-rust
[INFO] tweaked toml for git repo https://github.com/leebeck3/web-server-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/leebeck3/web-server-rust on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/leebeck3/web-server-rust 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b91fecafcc06182f0e486081d2a057411395f8b13540e3356c113dc538775a51
[INFO] running `Command { std: "docker" "start" "-a" "b91fecafcc06182f0e486081d2a057411395f8b13540e3356c113dc538775a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b91fecafcc06182f0e486081d2a057411395f8b13540e3356c113dc538775a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b91fecafcc06182f0e486081d2a057411395f8b13540e3356c113dc538775a51", kill_on_drop: false }`
[INFO] [stdout] b91fecafcc06182f0e486081d2a057411395f8b13540e3356c113dc538775a51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 672ef295878568a462794ca7b73e54803292d25e0ceae6eab98cdffe9751b11d
[INFO] running `Command { std: "docker" "start" "-a" "672ef295878568a462794ca7b73e54803292d25e0ceae6eab98cdffe9751b11d", kill_on_drop: false }`
[INFO] [stderr]    Compiling web-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `BufReader<&TcpStream>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/main.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 |         println!("Request: {buf_reader}")
[INFO] [stdout]    |                            ^^^^^^^^^^^^ `BufReader<&TcpStream>` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `BufReader<&TcpStream>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `web-server` (bin "web-server") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "672ef295878568a462794ca7b73e54803292d25e0ceae6eab98cdffe9751b11d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "672ef295878568a462794ca7b73e54803292d25e0ceae6eab98cdffe9751b11d", kill_on_drop: false }`
[INFO] [stdout] 672ef295878568a462794ca7b73e54803292d25e0ceae6eab98cdffe9751b11d