[INFO] fetching crate serde_stacker 0.1.14...
[INFO] building serde_stacker-0.1.14 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate serde_stacker 0.1.14 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate serde_stacker 0.1.14
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serde_stacker 0.1.14
[INFO] tweaked toml for crates.io crate serde_stacker 0.1.14 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_stacker 0.1.14 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde_stacker 0.1.14 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a26f14a655341e9e446cb509cf7117970eaa6f6c0db356d9e4494ce91db003b
[INFO] running `Command { std: "docker" "start" "-a" "6a26f14a655341e9e446cb509cf7117970eaa6f6c0db356d9e4494ce91db003b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a26f14a655341e9e446cb509cf7117970eaa6f6c0db356d9e4494ce91db003b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a26f14a655341e9e446cb509cf7117970eaa6f6c0db356d9e4494ce91db003b", kill_on_drop: false }`
[INFO] [stdout] 6a26f14a655341e9e446cb509cf7117970eaa6f6c0db356d9e4494ce91db003b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 211011d22ab2ba613d85047958797b308967930c71e9c2121a3f443d4ad78f45
[INFO] running `Command { std: "docker" "start" "-a" "211011d22ab2ba613d85047958797b308967930c71e9c2121a3f443d4ad78f45", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.1
[INFO] [stderr]    Compiling serde_core v1.0.222
[INFO] [stderr]    Compiling cc v1.2.37
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]    Compiling serde_stacker v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "211011d22ab2ba613d85047958797b308967930c71e9c2121a3f443d4ad78f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211011d22ab2ba613d85047958797b308967930c71e9c2121a3f443d4ad78f45", kill_on_drop: false }`
[INFO] [stdout] 211011d22ab2ba613d85047958797b308967930c71e9c2121a3f443d4ad78f45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5d6bfd2bf34cca70165d0a42b7a3d1c0c4fe672587c5f113c9b5646e90e4474
[INFO] running `Command { std: "docker" "start" "-a" "b5d6bfd2bf34cca70165d0a42b7a3d1c0c4fe672587c5f113c9b5646e90e4474", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.222
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde v1.0.222
[INFO] [stderr]    Compiling serde_stacker v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.54s
[INFO] running `Command { std: "docker" "inspect" "b5d6bfd2bf34cca70165d0a42b7a3d1c0c4fe672587c5f113c9b5646e90e4474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d6bfd2bf34cca70165d0a42b7a3d1c0c4fe672587c5f113c9b5646e90e4474", kill_on_drop: false }`
[INFO] [stdout] b5d6bfd2bf34cca70165d0a42b7a3d1c0c4fe672587c5f113c9b5646e90e4474