[INFO] cloning repository https://github.com/juansc/rust-aoc2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juansc/rust-aoc2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuansc%2Frust-aoc2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuansc%2Frust-aoc2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7ef4d42aefa380a42c133daf4e2818f9c42ce57
[INFO] checking juansc/rust-aoc2019 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuansc%2Frust-aoc2019" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juansc/rust-aoc2019 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/juansc/rust-aoc2019
[INFO] finished tweaking git repo https://github.com/juansc/rust-aoc2019
[INFO] tweaked toml for git repo https://github.com/juansc/rust-aoc2019 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/juansc/rust-aoc2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3213eb71658752876139125bdeed50393b3ec7c7ab8d520913b06004c00dc21
[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" "b3213eb71658752876139125bdeed50393b3ec7c7ab8d520913b06004c00dc21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3213eb71658752876139125bdeed50393b3ec7c7ab8d520913b06004c00dc21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3213eb71658752876139125bdeed50393b3ec7c7ab8d520913b06004c00dc21", kill_on_drop: false }`
[INFO] [stdout] b3213eb71658752876139125bdeed50393b3ec7c7ab8d520913b06004c00dc21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb26d0c2b0f9e849baa5201ce63fb0806dc0a682753f06cc3bda8d7b7e1e078c
[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" "cb26d0c2b0f9e849baa5201ce63fb0806dc0a682753f06cc3bda8d7b7e1e078c", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `write_ptr`
[INFO] [stdout]    --> src/int_code.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn write_ptr(&mut self, ptr: u32, val: i32) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `modes`
[INFO] [stdout]    --> src/int_code.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 143 |     Read { modes: [ParamMode; 1] },
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `close` found for struct `DataStream` in the current scope
[INFO] [stdout]    --> src/int_code.rs:351:12
[INFO] [stdout]     |
[INFO] [stdout] 11  | pub struct DataStream {
[INFO] [stdout]     | --------------------- method `close` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 351 |         ds.close();
[INFO] [stdout]     |            ^^^^^ method not found in `DataStream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2019`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cb26d0c2b0f9e849baa5201ce63fb0806dc0a682753f06cc3bda8d7b7e1e078c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb26d0c2b0f9e849baa5201ce63fb0806dc0a682753f06cc3bda8d7b7e1e078c", kill_on_drop: false }`
[INFO] [stdout] cb26d0c2b0f9e849baa5201ce63fb0806dc0a682753f06cc3bda8d7b7e1e078c