[INFO] cloning repository https://github.com/kelleyvanevert/adventofcode2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kelleyvanevert/adventofcode2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkelleyvanevert%2Fadventofcode2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkelleyvanevert%2Fadventofcode2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c546db35aec3a3dec25f4c6c46dcdeb441a88d6
[INFO] checking kelleyvanevert/adventofcode2021 against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkelleyvanevert%2Fadventofcode2021" "/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/kelleyvanevert/adventofcode2021 on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/kelleyvanevert/adventofcode2021
[INFO] finished tweaking git repo https://github.com/kelleyvanevert/adventofcode2021
[INFO] tweaked toml for git repo https://github.com/kelleyvanevert/adventofcode2021 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kelleyvanevert/adventofcode2021 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" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tuple v0.5.1
[INFO] [stderr]   Downloaded memoize-inner v0.3.2
[INFO] [stderr]   Downloaded memoize v0.3.3
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76a6a13214d3f9773fa48e8b651c3635f3d42d022c8ff597d11fdac26cab7b95
[INFO] running `Command { std: "docker" "start" "-a" "76a6a13214d3f9773fa48e8b651c3635f3d42d022c8ff597d11fdac26cab7b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76a6a13214d3f9773fa48e8b651c3635f3d42d022c8ff597d11fdac26cab7b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a6a13214d3f9773fa48e8b651c3635f3d42d022c8ff597d11fdac26cab7b95", kill_on_drop: false }`
[INFO] [stdout] 76a6a13214d3f9773fa48e8b651c3635f3d42d022c8ff597d11fdac26cab7b95
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42f54fd853bd593576d0b7cc3b635ede17b32cc9676c51ea5e757bebe78f35f0
[INFO] running `Command { std: "docker" "start" "-a" "42f54fd853bd593576d0b7cc3b635ede17b32cc9676c51ea5e757bebe78f35f0", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]     Checking day03 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stderr]     Checking day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking day22 v0.1.0 (/opt/rustwide/workdir/day22)
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> day22/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day06 v0.1.0 (/opt/rustwide/workdir/day06)
[INFO] [stderr]     Checking day13 v0.1.0 (/opt/rustwide/workdir/day13)
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day22` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "42f54fd853bd593576d0b7cc3b635ede17b32cc9676c51ea5e757bebe78f35f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f54fd853bd593576d0b7cc3b635ede17b32cc9676c51ea5e757bebe78f35f0", kill_on_drop: false }`
[INFO] [stdout] 42f54fd853bd593576d0b7cc3b635ede17b32cc9676c51ea5e757bebe78f35f0