[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] checking KrutNA/huffman-coding against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrutNA%2Fhuffman-coding" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KrutNA/huffman-coding on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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-3/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded term_size v0.3.2 [INFO] [stderr] Downloaded textwrap v0.9.0 [INFO] [stderr] Downloaded directories v1.0.2 [INFO] [stderr] Downloaded ptree v0.2.1 [INFO] [stderr] Downloaded yaml-rust v0.4.4 [INFO] [stderr] Downloaded serde-hjson v0.8.2 [INFO] [stderr] Downloaded clap v2.27.1 [INFO] [stderr] Downloaded config v0.9.3 [INFO] [stderr] Downloaded tint v1.0.1 [INFO] [stderr] Downloaded isatty v0.1.9 [INFO] [stderr] Downloaded serde-value v0.5.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b9abc62c6ac8ffce907f38b1a4d3a13660b0e0d47cf2b3b711462e815880b3eb [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" "b9abc62c6ac8ffce907f38b1a4d3a13660b0e0d47cf2b3b711462e815880b3eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b9abc62c6ac8ffce907f38b1a4d3a13660b0e0d47cf2b3b711462e815880b3eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9abc62c6ac8ffce907f38b1a4d3a13660b0e0d47cf2b3b711462e815880b3eb", kill_on_drop: false }` [INFO] [stdout] b9abc62c6ac8ffce907f38b1a4d3a13660b0e0d47cf2b3b711462e815880b3eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 907b1cf2156b02f04923926116621da7d3690e219893c211aece3cc30053def2 [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" "907b1cf2156b02f04923926116621da7d3690e219893c211aece3cc30053def2", kill_on_drop: false }` [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking clap v2.27.1 [INFO] [stderr] Checking huffman-coding v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.46s [INFO] running `Command { std: "docker" "inspect" "907b1cf2156b02f04923926116621da7d3690e219893c211aece3cc30053def2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "907b1cf2156b02f04923926116621da7d3690e219893c211aece3cc30053def2", kill_on_drop: false }` [INFO] [stdout] 907b1cf2156b02f04923926116621da7d3690e219893c211aece3cc30053def2