[INFO] fetching crate dutree 0.2.16...
[INFO] checking dutree-0.2.16 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate dutree 0.2.16 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate dutree 0.2.16 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dutree 0.2.16
[INFO] finished tweaking crates.io crate dutree 0.2.16
[INFO] tweaked toml for crates.io crate dutree 0.2.16 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate dutree 0.2.16 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b28a6709b274d2fee058127302a5a115b46ea0eb4ddc5229ec8b23db14d15d50
[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" "b28a6709b274d2fee058127302a5a115b46ea0eb4ddc5229ec8b23db14d15d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b28a6709b274d2fee058127302a5a115b46ea0eb4ddc5229ec8b23db14d15d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b28a6709b274d2fee058127302a5a115b46ea0eb4ddc5229ec8b23db14d15d50", kill_on_drop: false }`
[INFO] [stdout] b28a6709b274d2fee058127302a5a115b46ea0eb4ddc5229ec8b23db14d15d50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9422d2b5a7c6796cedda137e63b51b451523361f15ad99c1ad40a6a4b45d31ed
[INFO] running `Command { std: "docker" "start" "-a" "9422d2b5a7c6796cedda137e63b51b451523361f15ad99c1ad40a6a4b45d31ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking signal-hook v0.1.15
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking dutree v0.2.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.76s
[INFO] running `Command { std: "docker" "inspect" "9422d2b5a7c6796cedda137e63b51b451523361f15ad99c1ad40a6a4b45d31ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9422d2b5a7c6796cedda137e63b51b451523361f15ad99c1ad40a6a4b45d31ed", kill_on_drop: false }`
[INFO] [stdout] 9422d2b5a7c6796cedda137e63b51b451523361f15ad99c1ad40a6a4b45d31ed