[INFO] fetching crate probe 0.2.1...
[INFO] checking probe-0.2.1 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] extracting crate probe 0.2.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate probe 0.2.1 on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate probe 0.2.1
[INFO] finished tweaking crates.io crate probe 0.2.1
[INFO] tweaked toml for crates.io crate probe 0.2.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate probe 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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] d886ad53930c0ae743164bbfc1a49ebdf888a210d0e4e33595d266aad2d9369e
[INFO] running `Command { std: "docker" "start" "-a" "d886ad53930c0ae743164bbfc1a49ebdf888a210d0e4e33595d266aad2d9369e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d886ad53930c0ae743164bbfc1a49ebdf888a210d0e4e33595d266aad2d9369e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d886ad53930c0ae743164bbfc1a49ebdf888a210d0e4e33595d266aad2d9369e", kill_on_drop: false }`
[INFO] [stdout] d886ad53930c0ae743164bbfc1a49ebdf888a210d0e4e33595d266aad2d9369e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b861a7095dcaf6fbfc3020596618f176ff1be723be1ae8e28efe0db3261b61bd
[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" "b861a7095dcaf6fbfc3020596618f176ff1be723be1ae8e28efe0db3261b61bd", kill_on_drop: false }`
[INFO] [stderr]     Checking probe v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "b861a7095dcaf6fbfc3020596618f176ff1be723be1ae8e28efe0db3261b61bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b861a7095dcaf6fbfc3020596618f176ff1be723be1ae8e28efe0db3261b61bd", kill_on_drop: false }`
[INFO] [stdout] b861a7095dcaf6fbfc3020596618f176ff1be723be1ae8e28efe0db3261b61bd