[INFO] fetching crate k12sum 0.1.4...
[INFO] checking k12sum-0.1.4 against try#075992eda207e1647b699c8c8ada67b32ce7b115 for pr-77271
[INFO] extracting crate k12sum 0.1.4 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate k12sum 0.1.4 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 k12sum 0.1.4
[INFO] finished tweaking crates.io crate k12sum 0.1.4
[INFO] tweaked toml for crates.io crate k12sum 0.1.4 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate k12sum 0.1.4 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kangarootwelve_xkcp v0.1.4
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "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] 79c0c83c519d3b38a2bdd18d45d7bcade376630c87fe0f6a9a3cb5f0a5a7f3a7
[INFO] running `Command { std: "docker" "start" "-a" "79c0c83c519d3b38a2bdd18d45d7bcade376630c87fe0f6a9a3cb5f0a5a7f3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79c0c83c519d3b38a2bdd18d45d7bcade376630c87fe0f6a9a3cb5f0a5a7f3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79c0c83c519d3b38a2bdd18d45d7bcade376630c87fe0f6a9a3cb5f0a5a7f3a7", kill_on_drop: false }`
[INFO] [stdout] 79c0c83c519d3b38a2bdd18d45d7bcade376630c87fe0f6a9a3cb5f0a5a7f3a7
[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" "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] [stdout] 4108f790333a8a0dd5d25c52398b232d24db41fa4e9c8f0b3d2afe16dacb97c9
[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" "4108f790333a8a0dd5d25c52398b232d24db41fa4e9c8f0b3d2afe16dacb97c9", kill_on_drop: false }`
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking wild v2.0.4
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling kangarootwelve_xkcp v0.1.4
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking duct v0.13.4
[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 tempfile v3.1.0
[INFO] [stderr]     Checking k12sum v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.68s
[INFO] running `Command { std: "docker" "inspect" "4108f790333a8a0dd5d25c52398b232d24db41fa4e9c8f0b3d2afe16dacb97c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4108f790333a8a0dd5d25c52398b232d24db41fa4e9c8f0b3d2afe16dacb97c9", kill_on_drop: false }`
[INFO] [stdout] 4108f790333a8a0dd5d25c52398b232d24db41fa4e9c8f0b3d2afe16dacb97c9