[INFO] cloning repository https://github.com/iXialumy/adv2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iXialumy/adv2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiXialumy%2Fadv2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiXialumy%2Fadv2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00ed5472bc29fe3c7732c6da56333d0058df2ab6
[INFO] checking iXialumy/adv2021 against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiXialumy%2Fadv2021" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iXialumy/adv2021
[INFO] finished tweaking git repo https://github.com/iXialumy/adv2021
[INFO] tweaked toml for git repo https://github.com/iXialumy/adv2021 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iXialumy/adv2021 on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iXialumy/adv2021 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b162837fe5cb1b579a5185d7360bc67a627f6d52a843efb9fea8127fabc005bd
[INFO] running `Command { std: "docker" "start" "-a" "b162837fe5cb1b579a5185d7360bc67a627f6d52a843efb9fea8127fabc005bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b162837fe5cb1b579a5185d7360bc67a627f6d52a843efb9fea8127fabc005bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b162837fe5cb1b579a5185d7360bc67a627f6d52a843efb9fea8127fabc005bd", kill_on_drop: false }`
[INFO] [stdout] b162837fe5cb1b579a5185d7360bc67a627f6d52a843efb9fea8127fabc005bd
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72af5469df72bfdc0f092721d50979fed76987fb3e4aff842ef80eb6bf89e2c1
[INFO] running `Command { std: "docker" "start" "-a" "72af5469df72bfdc0f092721d50979fed76987fb3e4aff842ef80eb6bf89e2c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
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[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling signal-hook v0.3.13
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[INFO] [stderr]     Checking indicatif v0.16.2
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[INFO] [stderr]     Checking adv2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> src/bin/adv04b.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a feature with a similar name: `option_filter`
[INFO] [stdout]   |
[INFO] [stdout] 1 - #![feature(drain_filter)]
[INFO] [stdout] 1 + #![feature(option_filter)]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<Board>` in the current scope
[INFO] [stdout]   --> src/bin/adv04b.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |           let winners = boards
[INFO] [stdout]    |  _______________________-
[INFO] [stdout] 32 | |             .drain_filter(|board| {
[INFO] [stdout]    | |             -^^^^^^^^^^^^ method not found in `Vec<Board>`
[INFO] [stdout]    | |_____________|
[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] [stderr] error: could not compile `adv2021` (bin "adv04b" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "72af5469df72bfdc0f092721d50979fed76987fb3e4aff842ef80eb6bf89e2c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72af5469df72bfdc0f092721d50979fed76987fb3e4aff842ef80eb6bf89e2c1", kill_on_drop: false }`
[INFO] [stdout] 72af5469df72bfdc0f092721d50979fed76987fb3e4aff842ef80eb6bf89e2c1
