[INFO] cloning repository https://github.com/brdgme/rand-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brdgme/rand-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrdgme%2Frand-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrdgme%2Frand-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8730ea063b3bcb971ad4d855685abafd776d1417
[INFO] checking brdgme/rand-bot against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrdgme%2Frand-bot" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brdgme/rand-bot on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brdgme/rand-bot
[INFO] finished tweaking git repo https://github.com/brdgme/rand-bot
[INFO] tweaked toml for git repo https://github.com/brdgme/rand-bot written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/brdgme/rand-bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01dfafafe9005f5ba917bcf13d51c08e792a2e37bea498a456768e1a78670487
[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" "01dfafafe9005f5ba917bcf13d51c08e792a2e37bea498a456768e1a78670487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01dfafafe9005f5ba917bcf13d51c08e792a2e37bea498a456768e1a78670487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01dfafafe9005f5ba917bcf13d51c08e792a2e37bea498a456768e1a78670487", kill_on_drop: false }`
[INFO] [stdout] 01dfafafe9005f5ba917bcf13d51c08e792a2e37bea498a456768e1a78670487
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 346c8e00274d79c2b4824e89ab98a5d8e0be9eeae32e8a8be4aabf4b9de9d61d
[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" "346c8e00274d79c2b4824e89ab98a5d8e0be9eeae32e8a8be4aabf4b9de9d61d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.26
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking combine v2.4.0
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.12
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.10
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking brdgme-color v0.1.0 (https://github.com/brdgme/color.git#fb12155e)
[INFO] [stderr]     Checking brdgme-markup v0.1.0 (https://github.com/brdgme/markup.git#9440152f)
[INFO] [stderr]     Checking brdgme-game v0.1.0 (https://github.com/brdgme/game.git#439a12d7)
[INFO] [stderr]     Checking brdgme-cmd v0.1.0 (https://github.com/brdgme/cmd.git#e749204e)
[INFO] [stderr]     Checking brdgme-rand-bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.69s
[INFO] running `Command { std: "docker" "inspect" "346c8e00274d79c2b4824e89ab98a5d8e0be9eeae32e8a8be4aabf4b9de9d61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "346c8e00274d79c2b4824e89ab98a5d8e0be9eeae32e8a8be4aabf4b9de9d61d", kill_on_drop: false }`
[INFO] [stdout] 346c8e00274d79c2b4824e89ab98a5d8e0be9eeae32e8a8be4aabf4b9de9d61d