[INFO] cloning repository https://github.com/twardakm/collectd-graph-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twardakm/collectd-graph-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwardakm%2Fcollectd-graph-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwardakm%2Fcollectd-graph-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19e84efa62a5371d5c065410d7126aae18cf5e11
[INFO] checking twardakm/collectd-graph-generator against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwardakm%2Fcollectd-graph-generator" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/twardakm/collectd-graph-generator on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/twardakm/collectd-graph-generator
[INFO] finished tweaking git repo https://github.com/twardakm/collectd-graph-generator
[INFO] tweaked toml for git repo https://github.com/twardakm/collectd-graph-generator written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/twardakm/collectd-graph-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test_derive v0.5.0
[INFO] [stderr]   Downloaded serial_test v0.5.0
[INFO] [stderr]   Downloaded whoami v0.9.0
[INFO] [stderr]   Downloaded libmath v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac312b40eb662a87a9f587713089b7ded4de7294f6e6504a90701f7bca099c97
[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" "ac312b40eb662a87a9f587713089b7ded4de7294f6e6504a90701f7bca099c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac312b40eb662a87a9f587713089b7ded4de7294f6e6504a90701f7bca099c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac312b40eb662a87a9f587713089b7ded4de7294f6e6504a90701f7bca099c97", kill_on_drop: false }`
[INFO] [stdout] ac312b40eb662a87a9f587713089b7ded4de7294f6e6504a90701f7bca099c97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c01a0e368c6488a454d8851bef9d90773de891ef7b1fa847ebedaf57b90ce7d7
[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" "c01a0e368c6488a454d8851bef9d90773de891ef7b1fa847ebedaf57b90ce7d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking os_str_bytes v2.3.2
[INFO] [stderr]     Checking whoami v0.9.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serial_test_derive v0.5.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking serial_test v0.5.0
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking cgg v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.27s
[INFO] running `Command { std: "docker" "inspect" "c01a0e368c6488a454d8851bef9d90773de891ef7b1fa847ebedaf57b90ce7d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c01a0e368c6488a454d8851bef9d90773de891ef7b1fa847ebedaf57b90ce7d7", kill_on_drop: false }`
[INFO] [stdout] c01a0e368c6488a454d8851bef9d90773de891ef7b1fa847ebedaf57b90ce7d7