[INFO] cloning repository https://github.com/ndm767/huffman_compression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ndm767/huffman_compression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndm767%2Fhuffman_compression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndm767%2Fhuffman_compression'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndm767%2Fhuffman_compression: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/ndm767/huffman_compression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ndm767/huffman_compression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndm767%2Fhuffman_compression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndm767%2Fhuffman_compression'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndm767%2Fhuffman_compression: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/ndm767/huffman_compression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ndm767/huffman_compression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndm767%2Fhuffman_compression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndm767%2Fhuffman_compression'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndm767%2Fhuffman_compression: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/ndm767/huffman_compression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ndm767/huffman_compression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndm767%2Fhuffman_compression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndm767%2Fhuffman_compression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 553d082fd6934fa1e8533b5c6c88ceb0fe1faa8b
[INFO] testing ndm767/huffman_compression against master#d7bd9cd469ff6871420007f091ef52fc32d2ca99 for pr-121417
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndm767%2Fhuffman_compression" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ndm767/huffman_compression on toolchain d7bd9cd469ff6871420007f091ef52fc32d2ca99
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ndm767/huffman_compression
[INFO] finished tweaking git repo https://github.com/ndm767/huffman_compression
[INFO] tweaked toml for git repo https://github.com/ndm767/huffman_compression written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ndm767/huffman_compression 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" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c4b86ede58a33d24d9343cf08f02af9d63da59dce58dee490958716c062ff23
[INFO] running `Command { std: "docker" "start" "-a" "4c4b86ede58a33d24d9343cf08f02af9d63da59dce58dee490958716c062ff23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c4b86ede58a33d24d9343cf08f02af9d63da59dce58dee490958716c062ff23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c4b86ede58a33d24d9343cf08f02af9d63da59dce58dee490958716c062ff23", kill_on_drop: false }`
[INFO] [stdout] 4c4b86ede58a33d24d9343cf08f02af9d63da59dce58dee490958716c062ff23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bf0a611e2a9ae44c9574f96edebdfdae6b464d265e6ad3e953eeff5d36cd503
[INFO] running `Command { std: "docker" "start" "-a" "4bf0a611e2a9ae44c9574f96edebdfdae6b464d265e6ad3e953eeff5d36cd503", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffman_compression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "4bf0a611e2a9ae44c9574f96edebdfdae6b464d265e6ad3e953eeff5d36cd503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bf0a611e2a9ae44c9574f96edebdfdae6b464d265e6ad3e953eeff5d36cd503", kill_on_drop: false }`
[INFO] [stdout] 4bf0a611e2a9ae44c9574f96edebdfdae6b464d265e6ad3e953eeff5d36cd503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e7713e2e1175c008f222115930ff137c513093b52ae1e3f803ace287a99db4b
[INFO] running `Command { std: "docker" "start" "-a" "9e7713e2e1175c008f222115930ff137c513093b52ae1e3f803ace287a99db4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffman_compression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "9e7713e2e1175c008f222115930ff137c513093b52ae1e3f803ace287a99db4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7713e2e1175c008f222115930ff137c513093b52ae1e3f803ace287a99db4b", kill_on_drop: false }`
[INFO] [stdout] 9e7713e2e1175c008f222115930ff137c513093b52ae1e3f803ace287a99db4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 631d6246b31472ccc35221d7ed98a9f5c44cd85d6612a1914abeb8ddf012dc05
[INFO] running `Command { std: "docker" "start" "-a" "631d6246b31472ccc35221d7ed98a9f5c44cd85d6612a1914abeb8ddf012dc05", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/huffman_compression-9523d66156afb38a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "631d6246b31472ccc35221d7ed98a9f5c44cd85d6612a1914abeb8ddf012dc05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "631d6246b31472ccc35221d7ed98a9f5c44cd85d6612a1914abeb8ddf012dc05", kill_on_drop: false }`
[INFO] [stdout] 631d6246b31472ccc35221d7ed98a9f5c44cd85d6612a1914abeb8ddf012dc05