[INFO] cloning repository https://github.com/zyla/decision-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zyla/decision-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyla%2Fdecision-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyla%2Fdecision-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f46c5f8b2b33f15314f41e38b03df974e16addbf
[INFO] checking zyla/decision-tree against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyla%2Fdecision-tree" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zyla/decision-tree on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zyla/decision-tree
[INFO] finished tweaking git repo https://github.com/zyla/decision-tree
[INFO] tweaked toml for git repo https://github.com/zyla/decision-tree written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/zyla/decision-tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 057f14330fd811f6658a0faaf03e27d39ad77f4b609f7f15ae91bf54227a7e3a
[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" "057f14330fd811f6658a0faaf03e27d39ad77f4b609f7f15ae91bf54227a7e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "057f14330fd811f6658a0faaf03e27d39ad77f4b609f7f15ae91bf54227a7e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "057f14330fd811f6658a0faaf03e27d39ad77f4b609f7f15ae91bf54227a7e3a", kill_on_drop: false }`
[INFO] [stdout] 057f14330fd811f6658a0faaf03e27d39ad77f4b609f7f15ae91bf54227a7e3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 327a703684a8d6cb74fcee8a1b57f59839ec797cd9113bfe16580c5c28d172b9
[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" "327a703684a8d6cb74fcee8a1b57f59839ec797cd9113bfe16580c5c28d172b9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking decision-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.82s
[INFO] running `Command { std: "docker" "inspect" "327a703684a8d6cb74fcee8a1b57f59839ec797cd9113bfe16580c5c28d172b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327a703684a8d6cb74fcee8a1b57f59839ec797cd9113bfe16580c5c28d172b9", kill_on_drop: false }`
[INFO] [stdout] 327a703684a8d6cb74fcee8a1b57f59839ec797cd9113bfe16580c5c28d172b9