[INFO] fetching crate ser-write-msgpack 0.3.1...
[INFO] building ser-write-msgpack-0.3.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate ser-write-msgpack 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ser-write-msgpack 0.3.1
[INFO] finished tweaking crates.io crate ser-write-msgpack 0.3.1
[INFO] tweaked toml for crates.io crate ser-write-msgpack 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ser-write-msgpack 0.3.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ser-write-msgpack 0.3.1 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ser-write v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 995984d2856ed6a9048dd27eccb7e31e1df2fcc9ab19c5a19058e92bbb35a1d6
[INFO] running `Command { std: "docker" "start" "-a" "995984d2856ed6a9048dd27eccb7e31e1df2fcc9ab19c5a19058e92bbb35a1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "995984d2856ed6a9048dd27eccb7e31e1df2fcc9ab19c5a19058e92bbb35a1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "995984d2856ed6a9048dd27eccb7e31e1df2fcc9ab19c5a19058e92bbb35a1d6", kill_on_drop: false }`
[INFO] [stdout] 995984d2856ed6a9048dd27eccb7e31e1df2fcc9ab19c5a19058e92bbb35a1d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0374a0153de289b52be360e107b08f20bc028cfacf8df60602bc4bf4b75e5678
[INFO] running `Command { std: "docker" "start" "-a" "0374a0153de289b52be360e107b08f20bc028cfacf8df60602bc4bf4b75e5678", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling ser-write v0.3.1
[INFO] [stderr]    Compiling ser-write-msgpack v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `Command { std: "docker" "inspect" "0374a0153de289b52be360e107b08f20bc028cfacf8df60602bc4bf4b75e5678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0374a0153de289b52be360e107b08f20bc028cfacf8df60602bc4bf4b75e5678", kill_on_drop: false }`
[INFO] [stdout] 0374a0153de289b52be360e107b08f20bc028cfacf8df60602bc4bf4b75e5678
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47984a4260e5eb8a09ad78d94811dd90059db646c1f1fed988290f0ebaa799de
[INFO] running `Command { std: "docker" "start" "-a" "47984a4260e5eb8a09ad78d94811dd90059db646c1f1fed988290f0ebaa799de", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde_bytes v0.11.17
[INFO] [stderr]    Compiling ser-write-msgpack v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.77s
[INFO] running `Command { std: "docker" "inspect" "47984a4260e5eb8a09ad78d94811dd90059db646c1f1fed988290f0ebaa799de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47984a4260e5eb8a09ad78d94811dd90059db646c1f1fed988290f0ebaa799de", kill_on_drop: false }`
[INFO] [stdout] 47984a4260e5eb8a09ad78d94811dd90059db646c1f1fed988290f0ebaa799de