[INFO] fetching crate printf-compat 0.1.1...
[INFO] checking printf-compat-0.1.1 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate printf-compat 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate printf-compat 0.1.1 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate printf-compat 0.1.1
[INFO] finished tweaking crates.io crate printf-compat 0.1.1
[INFO] tweaked toml for crates.io crate printf-compat 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cty v0.2.1
[INFO] [stderr]   Downloaded cstr_core v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e4f4878301030c623f02a5b4787e3b562d19c9791526fa694ce0bdd31610021
[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" "3e4f4878301030c623f02a5b4787e3b562d19c9791526fa694ce0bdd31610021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e4f4878301030c623f02a5b4787e3b562d19c9791526fa694ce0bdd31610021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e4f4878301030c623f02a5b4787e3b562d19c9791526fa694ce0bdd31610021", kill_on_drop: false }`
[INFO] [stdout] 3e4f4878301030c623f02a5b4787e3b562d19c9791526fa694ce0bdd31610021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2b506ebe6f6bfd81b60f1cb61bd505a6816d9d91cc86a4d43c55c4bbe18dca5
[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" "a2b506ebe6f6bfd81b60f1cb61bd505a6816d9d91cc86a4d43c55c4bbe18dca5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking cstr_core v0.2.2
[INFO] [stderr]     Checking printf-compat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "a2b506ebe6f6bfd81b60f1cb61bd505a6816d9d91cc86a4d43c55c4bbe18dca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b506ebe6f6bfd81b60f1cb61bd505a6816d9d91cc86a4d43c55c4bbe18dca5", kill_on_drop: false }`
[INFO] [stdout] a2b506ebe6f6bfd81b60f1cb61bd505a6816d9d91cc86a4d43c55c4bbe18dca5