[INFO] cloning repository https://github.com/robotlovesyou/adv2020_2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robotlovesyou/adv2020_2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobotlovesyou%2Fadv2020_2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobotlovesyou%2Fadv2020_2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c98f5eac991f13d20b974ddd41c12359886f0fd9
[INFO] testing robotlovesyou/adv2020_2 against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobotlovesyou%2Fadv2020_2" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robotlovesyou/adv2020_2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robotlovesyou/adv2020_2
[INFO] finished tweaking git repo https://github.com/robotlovesyou/adv2020_2
[INFO] tweaked toml for git repo https://github.com/robotlovesyou/adv2020_2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/robotlovesyou/adv2020_2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19eb27e682eef893af95caa0ecb567330c05026a08aa9d62f27555f0f542bb45
[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" "19eb27e682eef893af95caa0ecb567330c05026a08aa9d62f27555f0f542bb45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19eb27e682eef893af95caa0ecb567330c05026a08aa9d62f27555f0f542bb45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19eb27e682eef893af95caa0ecb567330c05026a08aa9d62f27555f0f542bb45", kill_on_drop: false }`
[INFO] [stdout] 19eb27e682eef893af95caa0ecb567330c05026a08aa9d62f27555f0f542bb45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b6ad4f2b987f0ba5b47f5dfa3d417771a1ba45bc817f694874ab26d6c9ffec1
[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" "0b6ad4f2b987f0ba5b47f5dfa3d417771a1ba45bc817f694874ab26d6c9ffec1", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling adv2020_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.08s
[INFO] running `Command { std: "docker" "inspect" "0b6ad4f2b987f0ba5b47f5dfa3d417771a1ba45bc817f694874ab26d6c9ffec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b6ad4f2b987f0ba5b47f5dfa3d417771a1ba45bc817f694874ab26d6c9ffec1", kill_on_drop: false }`
[INFO] [stdout] 0b6ad4f2b987f0ba5b47f5dfa3d417771a1ba45bc817f694874ab26d6c9ffec1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 086655cf7c0ecf87e5e63e932c2034f098cb21d393c99e212c6052a6169eb0d2
[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" "086655cf7c0ecf87e5e63e932c2034f098cb21d393c99e212c6052a6169eb0d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling adv2020_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `validate` found for struct `Record` in the current scope
[INFO] [stdout]    --> src/main.rs:163:24
[INFO] [stdout]     |
[INFO] [stdout] 86  | struct Record {
[INFO] [stdout]     | ------------- method `validate` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 163 |         assert!(record.validate());
[INFO] [stdout]     |                        ^^^^^^^^ method not found in `Record`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `validate` found for struct `Record` in the current scope
[INFO] [stdout]    --> src/main.rs:170:25
[INFO] [stdout]     |
[INFO] [stdout] 86  | struct Record {
[INFO] [stdout]     | ------------- method `validate` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 170 |         assert!(!record.validate());
[INFO] [stdout]     |                         ^^^^^^^^ method not found in `Record`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adv2020_2`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "086655cf7c0ecf87e5e63e932c2034f098cb21d393c99e212c6052a6169eb0d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "086655cf7c0ecf87e5e63e932c2034f098cb21d393c99e212c6052a6169eb0d2", kill_on_drop: false }`
[INFO] [stdout] 086655cf7c0ecf87e5e63e932c2034f098cb21d393c99e212c6052a6169eb0d2