[INFO] fetching crate lemon-tree 0.1.7...
[INFO] checking lemon-tree-0.1.7 against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] extracting crate lemon-tree 0.1.7 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate lemon-tree 0.1.7 on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lemon-tree 0.1.7
[INFO] finished tweaking crates.io crate lemon-tree 0.1.7
[INFO] tweaked toml for crates.io crate lemon-tree 0.1.7 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "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" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1ece5d9ec7da793ad75c1eb897cdeb483b1de2c2c8642e88c6a39b40f415ec5
[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" "f1ece5d9ec7da793ad75c1eb897cdeb483b1de2c2c8642e88c6a39b40f415ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1ece5d9ec7da793ad75c1eb897cdeb483b1de2c2c8642e88c6a39b40f415ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1ece5d9ec7da793ad75c1eb897cdeb483b1de2c2c8642e88c6a39b40f415ec5", kill_on_drop: false }`
[INFO] [stdout] f1ece5d9ec7da793ad75c1eb897cdeb483b1de2c2c8642e88c6a39b40f415ec5
[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" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d8b3b6f3b8bc15b9282ce76162e99ee4a163ae1ca0391e60034797f1e41f398
[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" "8d8b3b6f3b8bc15b9282ce76162e99ee4a163ae1ca0391e60034797f1e41f398", kill_on_drop: false }`
[INFO] [stderr]    Compiling lemon-mint v0.1.4
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling lemon-tree-derive v1.0.4
[INFO] [stderr]     Checking lemon-tree v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.97s
[INFO] running `Command { std: "docker" "inspect" "8d8b3b6f3b8bc15b9282ce76162e99ee4a163ae1ca0391e60034797f1e41f398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d8b3b6f3b8bc15b9282ce76162e99ee4a163ae1ca0391e60034797f1e41f398", kill_on_drop: false }`
[INFO] [stdout] 8d8b3b6f3b8bc15b9282ce76162e99ee4a163ae1ca0391e60034797f1e41f398