[INFO] cloning repository https://github.com/Shavvey/huffman-tree-compression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shavvey/huffman-tree-compression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShavvey%2Fhuffman-tree-compression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShavvey%2Fhuffman-tree-compression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79c64e8871bb03eee6bbef1bbf2e227309fef892
[INFO] checking Shavvey/huffman-tree-compression against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShavvey%2Fhuffman-tree-compression" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Shavvey/huffman-tree-compression 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/Shavvey/huffman-tree-compression
[INFO] finished tweaking git repo https://github.com/Shavvey/huffman-tree-compression
[INFO] tweaked toml for git repo https://github.com/Shavvey/huffman-tree-compression written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Shavvey/huffman-tree-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] afec146971065d09591ae3b7149f85194981bec9a5df87999e93bfb4ad7fa084
[INFO] running `Command { std: "docker" "start" "-a" "afec146971065d09591ae3b7149f85194981bec9a5df87999e93bfb4ad7fa084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afec146971065d09591ae3b7149f85194981bec9a5df87999e93bfb4ad7fa084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afec146971065d09591ae3b7149f85194981bec9a5df87999e93bfb4ad7fa084", kill_on_drop: false }`
[INFO] [stdout] afec146971065d09591ae3b7149f85194981bec9a5df87999e93bfb4ad7fa084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ab7ab819612a8772f22f121e77e0c8e8973aa5789c1a4e31a7f4508b70f30eb9
[INFO] running `Command { std: "docker" "start" "-a" "ab7ab819612a8772f22f121e77e0c8e8973aa5789c1a4e31a7f4508b70f30eb9", kill_on_drop: false }`
[INFO] [stderr]     Checking huffman-compression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "ab7ab819612a8772f22f121e77e0c8e8973aa5789c1a4e31a7f4508b70f30eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7ab819612a8772f22f121e77e0c8e8973aa5789c1a4e31a7f4508b70f30eb9", kill_on_drop: false }`
[INFO] [stdout] ab7ab819612a8772f22f121e77e0c8e8973aa5789c1a4e31a7f4508b70f30eb9
[INFO] checking Shavvey/huffman-tree-compression against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShavvey%2Fhuffman-tree-compression" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Shavvey/huffman-tree-compression on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Shavvey/huffman-tree-compression
[INFO] finished tweaking git repo https://github.com/Shavvey/huffman-tree-compression
[INFO] tweaked toml for git repo https://github.com/Shavvey/huffman-tree-compression written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Shavvey/huffman-tree-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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 267dac9a6a8047648e07e6ee9ec69658b96e47ceac32f52fc32c7e947a707a03
[INFO] running `Command { std: "docker" "start" "-a" "267dac9a6a8047648e07e6ee9ec69658b96e47ceac32f52fc32c7e947a707a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "267dac9a6a8047648e07e6ee9ec69658b96e47ceac32f52fc32c7e947a707a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267dac9a6a8047648e07e6ee9ec69658b96e47ceac32f52fc32c7e947a707a03", kill_on_drop: false }`
[INFO] [stdout] 267dac9a6a8047648e07e6ee9ec69658b96e47ceac32f52fc32c7e947a707a03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33d265a6c7db951f49b5eaf3a82401e50b4433d80559e97920660a1667f8587a
[INFO] running `Command { std: "docker" "start" "-a" "33d265a6c7db951f49b5eaf3a82401e50b4433d80559e97920660a1667f8587a", kill_on_drop: false }`
[INFO] [stderr]     Checking huffman-compression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "33d265a6c7db951f49b5eaf3a82401e50b4433d80559e97920660a1667f8587a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d265a6c7db951f49b5eaf3a82401e50b4433d80559e97920660a1667f8587a", kill_on_drop: false }`
[INFO] [stdout] 33d265a6c7db951f49b5eaf3a82401e50b4433d80559e97920660a1667f8587a