[INFO] cloning repository https://github.com/ThatsGobbles/serde-metadata-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThatsGobbles/serde-metadata-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Fserde-metadata-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Fserde-metadata-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 174359311907013d57c21711dc9bf74269a6a91b
[INFO] checking ThatsGobbles/serde-metadata-test against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Fserde-metadata-test" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThatsGobbles/serde-metadata-test on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ThatsGobbles/serde-metadata-test
[INFO] finished tweaking git repo https://github.com/ThatsGobbles/serde-metadata-test
[INFO] tweaked toml for git repo https://github.com/ThatsGobbles/serde-metadata-test written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ThatsGobbles/serde-metadata-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01a2b1e7ba27e0e7e42a3f52a9ef9496f94853b2a150fec46ab80e8adfd07efc
[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" "01a2b1e7ba27e0e7e42a3f52a9ef9496f94853b2a150fec46ab80e8adfd07efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01a2b1e7ba27e0e7e42a3f52a9ef9496f94853b2a150fec46ab80e8adfd07efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01a2b1e7ba27e0e7e42a3f52a9ef9496f94853b2a150fec46ab80e8adfd07efc", kill_on_drop: false }`
[INFO] [stdout] 01a2b1e7ba27e0e7e42a3f52a9ef9496f94853b2a150fec46ab80e8adfd07efc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec9abcc3e97397d61b9957299081651c8ba2c28d4aef2ef006889c06b1af5371
[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" "ec9abcc3e97397d61b9957299081651c8ba2c28d4aef2ef006889c06b1af5371", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking ryu v0.2.7
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking serde-metadata-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.28s
[INFO] running `Command { std: "docker" "inspect" "ec9abcc3e97397d61b9957299081651c8ba2c28d4aef2ef006889c06b1af5371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9abcc3e97397d61b9957299081651c8ba2c28d4aef2ef006889c06b1af5371", kill_on_drop: false }`
[INFO] [stdout] ec9abcc3e97397d61b9957299081651c8ba2c28d4aef2ef006889c06b1af5371