[INFO] cloning repository https://github.com/Emerentius/advent_of_code_2019 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Emerentius/advent_of_code_2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmerentius%2Fadvent_of_code_2019", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmerentius%2Fadvent_of_code_2019'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bbfb570cf2bd66ec5aeec9b52de4e894d456804f [INFO] testing Emerentius/advent_of_code_2019 against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmerentius%2Fadvent_of_code_2019" "/workspace/builds/worker-99/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Emerentius/advent_of_code_2019 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Emerentius/advent_of_code_2019 [INFO] finished tweaking git repo https://github.com/Emerentius/advent_of_code_2019 [INFO] tweaked toml for git repo https://github.com/Emerentius/advent_of_code_2019 written to /workspace/builds/worker-99/source/Cargo.toml [INFO] crate git repo https://github.com/Emerentius/advent_of_code_2019 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ord_subset v3.1.1 [INFO] [stderr] Downloaded permutohedron v0.2.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2dd6fb5fe78eeef270db7ee6218cfaed44c89c08c8af2a63e40550a21bcd851d [INFO] running `Command { std: "docker" "start" "-a" "2dd6fb5fe78eeef270db7ee6218cfaed44c89c08c8af2a63e40550a21bcd851d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2dd6fb5fe78eeef270db7ee6218cfaed44c89c08c8af2a63e40550a21bcd851d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dd6fb5fe78eeef270db7ee6218cfaed44c89c08c8af2a63e40550a21bcd851d", kill_on_drop: false }` [INFO] [stdout] 2dd6fb5fe78eeef270db7ee6218cfaed44c89c08c8af2a63e40550a21bcd851d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 37d741103b50df9a983d3eb6e132c57f6ae197b16e0b6a00f8753206b2c24340 [INFO] running `Command { std: "docker" "start" "-a" "37d741103b50df9a983d3eb6e132c57f6ae197b16e0b6a00f8753206b2c24340", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling permutohedron v0.2.4 [INFO] [stderr] Compiling ord_subset v3.1.1 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling advent_of_code_2019 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(test)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:222:30 [INFO] [stdout] | [INFO] [stdout] 222 | 8 => PartialOrd::eq, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `advent_of_code_2019` due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "37d741103b50df9a983d3eb6e132c57f6ae197b16e0b6a00f8753206b2c24340", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37d741103b50df9a983d3eb6e132c57f6ae197b16e0b6a00f8753206b2c24340", kill_on_drop: false }` [INFO] [stdout] 37d741103b50df9a983d3eb6e132c57f6ae197b16e0b6a00f8753206b2c24340