[INFO] fetching crate where 0.0.0...
[INFO] checking where-0.0.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate where 0.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate where 0.0.0 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate where 0.0.0
[INFO] finished tweaking crates.io crate where 0.0.0
[INFO] tweaked toml for crates.io crate where 0.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate where 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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] 7246556aa01344b9ea31a85b57f890bd84fef6f6af8117bb276c699550e10b1d
[INFO] running `Command { std: "docker" "start" "-a" "7246556aa01344b9ea31a85b57f890bd84fef6f6af8117bb276c699550e10b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7246556aa01344b9ea31a85b57f890bd84fef6f6af8117bb276c699550e10b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7246556aa01344b9ea31a85b57f890bd84fef6f6af8117bb276c699550e10b1d", kill_on_drop: false }`
[INFO] [stdout] 7246556aa01344b9ea31a85b57f890bd84fef6f6af8117bb276c699550e10b1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eaff18c1cd5c5d3340b22bf0aeced7078fa484bc3b6917d93c90d53e1deb1e71
[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" "eaff18c1cd5c5d3340b22bf0aeced7078fa484bc3b6917d93c90d53e1deb1e71", kill_on_drop: false }`
[INFO] [stderr]     Checking where v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "eaff18c1cd5c5d3340b22bf0aeced7078fa484bc3b6917d93c90d53e1deb1e71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaff18c1cd5c5d3340b22bf0aeced7078fa484bc3b6917d93c90d53e1deb1e71", kill_on_drop: false }`
[INFO] [stdout] eaff18c1cd5c5d3340b22bf0aeced7078fa484bc3b6917d93c90d53e1deb1e71