[INFO] cloning repository https://github.com/KrutNA/huffman-coding
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KrutNA/huffman-coding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrutNA%2Fhuffman-coding", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrutNA%2Fhuffman-coding'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d1ac5cb3e54d7134926523fb07685a59f14264b
[INFO] testing KrutNA/huffman-coding against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrutNA%2Fhuffman-coding" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KrutNA/huffman-coding on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KrutNA/huffman-coding
[INFO] finished tweaking git repo https://github.com/KrutNA/huffman-coding
[INFO] tweaked toml for git repo https://github.com/KrutNA/huffman-coding written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/KrutNA/huffman-coding already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-value v0.5.3
[INFO] [stderr]   Downloaded term_size v0.3.2
[INFO] [stderr]   Downloaded clap v2.27.1
[INFO] [stderr]   Downloaded tint v1.0.1
[INFO] [stderr]   Downloaded serde-hjson v0.8.2
[INFO] [stderr]   Downloaded config v0.9.3
[INFO] [stderr]   Downloaded directories v1.0.2
[INFO] [stderr]   Downloaded yaml-rust v0.4.4
[INFO] [stderr]   Downloaded ptree v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5b08813c7ee21e3831ff020b26f2cea8e0834a59ccd1e948faee96ad74e9d8f
[INFO] running `Command { std: "docker" "start" "-a" "f5b08813c7ee21e3831ff020b26f2cea8e0834a59ccd1e948faee96ad74e9d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5b08813c7ee21e3831ff020b26f2cea8e0834a59ccd1e948faee96ad74e9d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b08813c7ee21e3831ff020b26f2cea8e0834a59ccd1e948faee96ad74e9d8f", kill_on_drop: false }`
[INFO] [stdout] f5b08813c7ee21e3831ff020b26f2cea8e0834a59ccd1e948faee96ad74e9d8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2f59eac57f5daa549fd71e64c84d0034742e57de6b62b30cd39b4f40e57849e
[INFO] running `Command { std: "docker" "start" "-a" "c2f59eac57f5daa549fd71e64c84d0034742e57de6b62b30cd39b4f40e57849e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling huffman-coding v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.82s
[INFO] running `Command { std: "docker" "inspect" "c2f59eac57f5daa549fd71e64c84d0034742e57de6b62b30cd39b4f40e57849e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2f59eac57f5daa549fd71e64c84d0034742e57de6b62b30cd39b4f40e57849e", kill_on_drop: false }`
[INFO] [stdout] c2f59eac57f5daa549fd71e64c84d0034742e57de6b62b30cd39b4f40e57849e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50881c1d6ae1db0f812a21192f457b842cc787f99b1e9d6ac83f73ff67d2cfab
[INFO] running `Command { std: "docker" "start" "-a" "50881c1d6ae1db0f812a21192f457b842cc787f99b1e9d6ac83f73ff67d2cfab", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffman-coding v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "50881c1d6ae1db0f812a21192f457b842cc787f99b1e9d6ac83f73ff67d2cfab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50881c1d6ae1db0f812a21192f457b842cc787f99b1e9d6ac83f73ff67d2cfab", kill_on_drop: false }`
[INFO] [stdout] 50881c1d6ae1db0f812a21192f457b842cc787f99b1e9d6ac83f73ff67d2cfab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a8968ba9853d64ab82c716e96a13f29da1ce16dd4b3464f004dbf5d9c78e02d7
[INFO] running `Command { std: "docker" "start" "-a" "a8968ba9853d64ab82c716e96a13f29da1ce16dd4b3464f004dbf5d9c78e02d7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/huffman_coding-a755cbd1f3454cb0)
[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" "a8968ba9853d64ab82c716e96a13f29da1ce16dd4b3464f004dbf5d9c78e02d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8968ba9853d64ab82c716e96a13f29da1ce16dd4b3464f004dbf5d9c78e02d7", kill_on_drop: false }`
[INFO] [stdout] a8968ba9853d64ab82c716e96a13f29da1ce16dd4b3464f004dbf5d9c78e02d7