[INFO] fetching crate pkg6repo 0.0.1-placeholder...
[INFO] checking pkg6repo-0.0.1-placeholder against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate pkg6repo 0.0.1-placeholder into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pkg6repo 0.0.1-placeholder on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pkg6repo 0.0.1-placeholder
[INFO] finished tweaking crates.io crate pkg6repo 0.0.1-placeholder
[INFO] tweaked toml for crates.io crate pkg6repo 0.0.1-placeholder written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate pkg6repo 0.0.1-placeholder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e158ad9d5eece8241babc78d09e692c841cacf569492c5448c1b72b47f6f39d6
[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" "e158ad9d5eece8241babc78d09e692c841cacf569492c5448c1b72b47f6f39d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e158ad9d5eece8241babc78d09e692c841cacf569492c5448c1b72b47f6f39d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e158ad9d5eece8241babc78d09e692c841cacf569492c5448c1b72b47f6f39d6", kill_on_drop: false }`
[INFO] [stdout] e158ad9d5eece8241babc78d09e692c841cacf569492c5448c1b72b47f6f39d6
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71d29c727a7b980f267305e1180a64641dc9ee9ee7f392dcb7d3824788110045
[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" "71d29c727a7b980f267305e1180a64641dc9ee9ee7f392dcb7d3824788110045", kill_on_drop: false }`
[INFO] [stderr]     Checking pkg6repo v0.0.1-placeholder (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "71d29c727a7b980f267305e1180a64641dc9ee9ee7f392dcb7d3824788110045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d29c727a7b980f267305e1180a64641dc9ee9ee7f392dcb7d3824788110045", kill_on_drop: false }`
[INFO] [stdout] 71d29c727a7b980f267305e1180a64641dc9ee9ee7f392dcb7d3824788110045