[INFO] cloning repository https://github.com/SADmammoth/HaffmanCompression_RUST
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SADmammoth/HaffmanCompression_RUST" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSADmammoth%2FHaffmanCompression_RUST", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSADmammoth%2FHaffmanCompression_RUST'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28f1ca9457158b16c0d5ffc36d560c4bda814d45
[INFO] checking SADmammoth/HaffmanCompression_RUST against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSADmammoth%2FHaffmanCompression_RUST" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SADmammoth/HaffmanCompression_RUST on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SADmammoth/HaffmanCompression_RUST
[INFO] finished tweaking git repo https://github.com/SADmammoth/HaffmanCompression_RUST
[INFO] tweaked toml for git repo https://github.com/SADmammoth/HaffmanCompression_RUST written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SADmammoth/HaffmanCompression_RUST 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3660e75613a1f0233cac353d49f5f1efe5d5bae47f654dd1e561d3c64dc7567
[INFO] running `Command { std: "docker" "start" "-a" "b3660e75613a1f0233cac353d49f5f1efe5d5bae47f654dd1e561d3c64dc7567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3660e75613a1f0233cac353d49f5f1efe5d5bae47f654dd1e561d3c64dc7567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3660e75613a1f0233cac353d49f5f1efe5d5bae47f654dd1e561d3c64dc7567", kill_on_drop: false }`
[INFO] [stdout] b3660e75613a1f0233cac353d49f5f1efe5d5bae47f654dd1e561d3c64dc7567
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31cf278b11749782f4fec2d8cbbdee64e194c260c75fe25081f0d72b578c7834
[INFO] running `Command { std: "docker" "start" "-a" "31cf278b11749782f4fec2d8cbbdee64e194c260c75fe25081f0d72b578c7834", kill_on_drop: false }`
[INFO] [stderr]     Checking haffman_compression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `data_access::*`
[INFO] [stdout]  --> src/haffman/tree/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use data_access::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `display::*`
[INFO] [stdout]  --> src/haffman/tree/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use display::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `data_access::*`
[INFO] [stdout]  --> src/haffman/tree/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use data_access::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `display::*`
[INFO] [stdout]  --> src/haffman/tree/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use display::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `compression::*`
[INFO] [stdout]   --> src/haffman/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use compression::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "31cf278b11749782f4fec2d8cbbdee64e194c260c75fe25081f0d72b578c7834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31cf278b11749782f4fec2d8cbbdee64e194c260c75fe25081f0d72b578c7834", kill_on_drop: false }`
[INFO] [stdout] 31cf278b11749782f4fec2d8cbbdee64e194c260c75fe25081f0d72b578c7834