[INFO] cloning repository https://github.com/gchp/tcp-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gchp/tcp-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgchp%2Ftcp-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgchp%2Ftcp-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e612576dede748e0778ad1acdd9b7be46c0e3cdb
[INFO] checking gchp/tcp-test/e612576dede748e0778ad1acdd9b7be46c0e3cdb against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgchp%2Ftcp-test" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gchp/tcp-test on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gchp/tcp-test
[INFO] finished tweaking git repo https://github.com/gchp/tcp-test
[INFO] tweaked toml for git repo https://github.com/gchp/tcp-test written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gchp/tcp-test 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4dc3d2edb9471e9d5d767b5e83259e4d6647ced8ad6cc46caef6b39621c85d8
[INFO] running `Command { std: "docker" "start" "-a" "e4dc3d2edb9471e9d5d767b5e83259e4d6647ced8ad6cc46caef6b39621c85d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4dc3d2edb9471e9d5d767b5e83259e4d6647ced8ad6cc46caef6b39621c85d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4dc3d2edb9471e9d5d767b5e83259e4d6647ced8ad6cc46caef6b39621c85d8", kill_on_drop: false }`
[INFO] [stdout] e4dc3d2edb9471e9d5d767b5e83259e4d6647ced8ad6cc46caef6b39621c85d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e9aab973432a7ce78eb710ec655a6a2f3dea566b5fb536159262b4e084f9397
[INFO] running `Command { std: "docker" "start" "-a" "2e9aab973432a7ce78eb710ec655a6a2f3dea566b5fb536159262b4e084f9397", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking tcp-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]  --> src/bin/server.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(collections)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]  --> src/bin/server.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(collections)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push_all` found for struct `Vec<_>` in the current scope
[INFO] [stdout]   --> src/bin/server.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |     return_data.push_all(&*raw);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `push` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 16 |     return_data.push(&*raw);
[INFO] [stdout]    |                 ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push_all` found for struct `Vec<_>` in the current scope
[INFO] [stdout]   --> src/bin/server.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |     return_data.push_all(&*raw);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `push` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 16 |     return_data.push(&*raw);
[INFO] [stdout]    |                 ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push_all` found for struct `Vec<_>` in the current scope
[INFO] [stdout]   --> src/bin/server.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     return_data.push_all(&*data);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `push` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 17 |     return_data.push(&*data);
[INFO] [stdout]    |                 ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push_all` found for struct `Vec<_>` in the current scope
[INFO] [stdout]   --> src/bin/server.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     return_data.push_all(&*data);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `push` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 17 |     return_data.push(&*data);
[INFO] [stdout]    |                 ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcp-test` (bin "server") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tcp-test` (bin "server" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "2e9aab973432a7ce78eb710ec655a6a2f3dea566b5fb536159262b4e084f9397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e9aab973432a7ce78eb710ec655a6a2f3dea566b5fb536159262b4e084f9397", kill_on_drop: false }`
[INFO] [stdout] 2e9aab973432a7ce78eb710ec655a6a2f3dea566b5fb536159262b4e084f9397