[INFO] cloning repository https://github.com/sphinxc0re/prisoners
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sphinxc0re/prisoners" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsphinxc0re%2Fprisoners", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsphinxc0re%2Fprisoners'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f298fec195f9badc0166328fdfbd19901b67fa1a
[INFO] checking sphinxc0re/prisoners against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsphinxc0re%2Fprisoners" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sphinxc0re/prisoners on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sphinxc0re/prisoners
[INFO] finished tweaking git repo https://github.com/sphinxc0re/prisoners
[INFO] tweaked toml for git repo https://github.com/sphinxc0re/prisoners written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/sphinxc0re/prisoners already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee51475d1ea8d2ca7cc3fec3baa372997b95861cde7ecd71e06b56d5d8bc87c7
[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" "ee51475d1ea8d2ca7cc3fec3baa372997b95861cde7ecd71e06b56d5d8bc87c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee51475d1ea8d2ca7cc3fec3baa372997b95861cde7ecd71e06b56d5d8bc87c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee51475d1ea8d2ca7cc3fec3baa372997b95861cde7ecd71e06b56d5d8bc87c7", kill_on_drop: false }`
[INFO] [stdout] ee51475d1ea8d2ca7cc3fec3baa372997b95861cde7ecd71e06b56d5d8bc87c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 357d44b79f0f4654bacdcd8fddc8a2cb2680f9d19bf4009007d2feb1da7ed82d
[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" "357d44b79f0f4654bacdcd8fddc8a2cb2680f9d19bf4009007d2feb1da7ed82d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking linked-hash-map v0.5.0
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking prisoners v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "357d44b79f0f4654bacdcd8fddc8a2cb2680f9d19bf4009007d2feb1da7ed82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "357d44b79f0f4654bacdcd8fddc8a2cb2680f9d19bf4009007d2feb1da7ed82d", kill_on_drop: false }`
[INFO] [stdout] 357d44b79f0f4654bacdcd8fddc8a2cb2680f9d19bf4009007d2feb1da7ed82d