[INFO] cloning repository https://github.com/x0f5c3/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/x0f5c3/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fx0f5c3%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fx0f5c3%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8ce4a836470bbc6a98da5bf4f1344a3f36c037e
[INFO] checking x0f5c3/advent-of-code-2020 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fx0f5c3%2Fadvent-of-code-2020" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/x0f5c3/advent-of-code-2020 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/x0f5c3/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/x0f5c3/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/x0f5c3/advent-of-code-2020 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/x0f5c3/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 04c68a7c7a5cfed2c3070965dc83a4a69fa06c1ce0764535a4ca198e6c9c2c88
[INFO] running `Command { std: "docker" "start" "-a" "04c68a7c7a5cfed2c3070965dc83a4a69fa06c1ce0764535a4ca198e6c9c2c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04c68a7c7a5cfed2c3070965dc83a4a69fa06c1ce0764535a4ca198e6c9c2c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c68a7c7a5cfed2c3070965dc83a4a69fa06c1ce0764535a4ca198e6c9c2c88", kill_on_drop: false }`
[INFO] [stdout] 04c68a7c7a5cfed2c3070965dc83a4a69fa06c1ce0764535a4ca198e6c9c2c88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c3260935ff3afd8f2c762d46ecca5a07b0d2e20e4b769f291f2e13ea5714493
[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" "0c3260935ff3afd8f2c762d46ecca5a07b0d2e20e4b769f291f2e13ea5714493", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking net2 v0.2.36
[INFO] [stderr]     Checking socket2 v0.3.17
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking encoding_rs v0.8.26
[INFO] [stderr]     Checking ring v0.16.19
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking async-compression v0.3.6
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking day_1 v0.1.0 (/opt/rustwide/workdir/day_1)
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking hyper-rustls v0.21.0
[INFO] [stderr]     Checking reqwest v0.10.9
[INFO] [stderr]     Checking aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.27s
[INFO] running `Command { std: "docker" "inspect" "0c3260935ff3afd8f2c762d46ecca5a07b0d2e20e4b769f291f2e13ea5714493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3260935ff3afd8f2c762d46ecca5a07b0d2e20e4b769f291f2e13ea5714493", kill_on_drop: false }`
[INFO] [stdout] 0c3260935ff3afd8f2c762d46ecca5a07b0d2e20e4b769f291f2e13ea5714493