[INFO] cloning repository https://github.com/MarcosBianchii/Huffman-Encoding
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarcosBianchii/Huffman-Encoding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcosBianchii%2FHuffman-Encoding", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcosBianchii%2FHuffman-Encoding'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d24d5bffaf430d04500b98743aae41ff47ffe54
[INFO] checking MarcosBianchii/Huffman-Encoding/3d24d5bffaf430d04500b98743aae41ff47ffe54 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcosBianchii%2FHuffman-Encoding" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarcosBianchii/Huffman-Encoding on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MarcosBianchii/Huffman-Encoding
[INFO] finished tweaking git repo https://github.com/MarcosBianchii/Huffman-Encoding
[INFO] tweaked toml for git repo https://github.com/MarcosBianchii/Huffman-Encoding written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MarcosBianchii/Huffman-Encoding 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb1cae439a870d5bc77b6f48cb48ebc5701d50959af5058cde93fc65181a9e4f
[INFO] running `Command { std: "docker" "start" "-a" "eb1cae439a870d5bc77b6f48cb48ebc5701d50959af5058cde93fc65181a9e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb1cae439a870d5bc77b6f48cb48ebc5701d50959af5058cde93fc65181a9e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb1cae439a870d5bc77b6f48cb48ebc5701d50959af5058cde93fc65181a9e4f", kill_on_drop: false }`
[INFO] [stdout] eb1cae439a870d5bc77b6f48cb48ebc5701d50959af5058cde93fc65181a9e4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 293bf7f67531d759171bee27f11c28b9748883afbe52db52220cacbd2f6b927c
[INFO] running `Command { std: "docker" "start" "-a" "293bf7f67531d759171bee27f11c28b9748883afbe52db52220cacbd2f6b927c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling syn v2.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking huffman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.18s
[INFO] running `Command { std: "docker" "inspect" "293bf7f67531d759171bee27f11c28b9748883afbe52db52220cacbd2f6b927c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "293bf7f67531d759171bee27f11c28b9748883afbe52db52220cacbd2f6b927c", kill_on_drop: false }`
[INFO] [stdout] 293bf7f67531d759171bee27f11c28b9748883afbe52db52220cacbd2f6b927c