[INFO] cloning repository https://github.com/biesnecker/guessmeifyoucan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/biesnecker/guessmeifyoucan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiesnecker%2Fguessmeifyoucan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiesnecker%2Fguessmeifyoucan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65be83fa7ee6b28ef5638729d00b5613e3b67b16
[INFO] checking biesnecker/guessmeifyoucan against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiesnecker%2Fguessmeifyoucan" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/biesnecker/guessmeifyoucan on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/biesnecker/guessmeifyoucan
[INFO] finished tweaking git repo https://github.com/biesnecker/guessmeifyoucan
[INFO] tweaked toml for git repo https://github.com/biesnecker/guessmeifyoucan written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/biesnecker/guessmeifyoucan already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.license_file
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", 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] 5c7c827b9e2c605e39141c2bc583f6a27ede36a99e5c28d7b5747770ac979e02
[INFO] running `Command { std: "docker" "start" "-a" "5c7c827b9e2c605e39141c2bc583f6a27ede36a99e5c28d7b5747770ac979e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c7c827b9e2c605e39141c2bc583f6a27ede36a99e5c28d7b5747770ac979e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7c827b9e2c605e39141c2bc583f6a27ede36a99e5c28d7b5747770ac979e02", kill_on_drop: false }`
[INFO] [stdout] 5c7c827b9e2c605e39141c2bc583f6a27ede36a99e5c28d7b5747770ac979e02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 227fed53039d332f4351709a687c851ba6084a5ad4c88b33ff7f92f45afe86b9
[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" "227fed53039d332f4351709a687c851ba6084a5ad4c88b33ff7f92f45afe86b9", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.license_file
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking guessmeifyoucan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "227fed53039d332f4351709a687c851ba6084a5ad4c88b33ff7f92f45afe86b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227fed53039d332f4351709a687c851ba6084a5ad4c88b33ff7f92f45afe86b9", kill_on_drop: false }`
[INFO] [stdout] 227fed53039d332f4351709a687c851ba6084a5ad4c88b33ff7f92f45afe86b9