[INFO] fetching crate discrimination-tree 0.2.1...
[INFO] checking discrimination-tree-0.2.1 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate discrimination-tree 0.2.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate discrimination-tree 0.2.1 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate discrimination-tree 0.2.1
[INFO] finished tweaking crates.io crate discrimination-tree 0.2.1
[INFO] tweaked toml for crates.io crate discrimination-tree 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe65d8d66de6522c9f38d131a55eb835cc2d4bc81cad84a986e69f258f7fd79b
[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" "fe65d8d66de6522c9f38d131a55eb835cc2d4bc81cad84a986e69f258f7fd79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe65d8d66de6522c9f38d131a55eb835cc2d4bc81cad84a986e69f258f7fd79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe65d8d66de6522c9f38d131a55eb835cc2d4bc81cad84a986e69f258f7fd79b", kill_on_drop: false }`
[INFO] [stdout] fe65d8d66de6522c9f38d131a55eb835cc2d4bc81cad84a986e69f258f7fd79b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16c0e0912d82f2436a0b2dd48eca2afb8cba6d5393ef85f59d40b2c1603c5be7
[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" "16c0e0912d82f2436a0b2dd48eca2afb8cba6d5393ef85f59d40b2c1603c5be7", kill_on_drop: false }`
[INFO] [stderr]     Checking discrimination-tree v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "16c0e0912d82f2436a0b2dd48eca2afb8cba6d5393ef85f59d40b2c1603c5be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c0e0912d82f2436a0b2dd48eca2afb8cba6d5393ef85f59d40b2c1603c5be7", kill_on_drop: false }`
[INFO] [stdout] 16c0e0912d82f2436a0b2dd48eca2afb8cba6d5393ef85f59d40b2c1603c5be7