[INFO] fetching crate ics 0.4.2...
[INFO] checking ics-0.4.2 against try#075992eda207e1647b699c8c8ada67b32ce7b115 for pr-77271
[INFO] extracting crate ics 0.4.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ics 0.4.2 on toolchain 075992eda207e1647b699c8c8ada67b32ce7b115
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ics 0.4.2
[INFO] finished tweaking crates.io crate ics 0.4.2
[INFO] tweaked toml for crates.io crate ics 0.4.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ics 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a78dc838a781c6e7594f0fa68b317546c1dbc9467f23b8c6e95ceaf49eb0f0f
[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" "1a78dc838a781c6e7594f0fa68b317546c1dbc9467f23b8c6e95ceaf49eb0f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a78dc838a781c6e7594f0fa68b317546c1dbc9467f23b8c6e95ceaf49eb0f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a78dc838a781c6e7594f0fa68b317546c1dbc9467f23b8c6e95ceaf49eb0f0f", kill_on_drop: false }`
[INFO] [stdout] 1a78dc838a781c6e7594f0fa68b317546c1dbc9467f23b8c6e95ceaf49eb0f0f
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 4e9ae8da38acf12f13e81d1320f5ca63f6657dc2d0199764713fee294e34ffc7
[INFO] running `Command { std: "docker" "start" "-a" "4e9ae8da38acf12f13e81d1320f5ca63f6657dc2d0199764713fee294e34ffc7", kill_on_drop: false }`
[INFO] [stderr]     Checking ics v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "4e9ae8da38acf12f13e81d1320f5ca63f6657dc2d0199764713fee294e34ffc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e9ae8da38acf12f13e81d1320f5ca63f6657dc2d0199764713fee294e34ffc7", kill_on_drop: false }`
[INFO] [stdout] 4e9ae8da38acf12f13e81d1320f5ca63f6657dc2d0199764713fee294e34ffc7