[INFO] fetching crate brioche-ducc-serde 0.1.2-brioche...
[INFO] testing brioche-ducc-serde-0.1.2-brioche against 1.49.0 for beta-1.50-1
[INFO] extracting crate brioche-ducc-serde 0.1.2-brioche into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate brioche-ducc-serde 0.1.2-brioche on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brioche-ducc-serde 0.1.2-brioche
[INFO] finished tweaking crates.io crate brioche-ducc-serde 0.1.2-brioche
[INFO] tweaked toml for crates.io crate brioche-ducc-serde 0.1.2-brioche written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99490b576028bb0ce3f4611cf0a8e8b4cb40cb67d5b321009fd58107ad27c903
[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" "99490b576028bb0ce3f4611cf0a8e8b4cb40cb67d5b321009fd58107ad27c903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99490b576028bb0ce3f4611cf0a8e8b4cb40cb67d5b321009fd58107ad27c903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99490b576028bb0ce3f4611cf0a8e8b4cb40cb67d5b321009fd58107ad27c903", kill_on_drop: false }`
[INFO] [stdout] 99490b576028bb0ce3f4611cf0a8e8b4cb40cb67d5b321009fd58107ad27c903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c62f6567bd7b9e587a113d7dcf94e80e09210200bf19cb1d9f7a5907474fe82
[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" "5c62f6567bd7b9e587a113d7dcf94e80e09210200bf19cb1d9f7a5907474fe82", kill_on_drop: false }`
[INFO] [stderr]    Compiling cesu8 v1.1.0
[INFO] [stderr]    Compiling brioche-ducc-sys v0.1.2-brioche
[INFO] [stderr]    Compiling brioche-ducc v0.1.2-brioche
[INFO] [stderr]    Compiling brioche-ducc-serde v0.1.2-brioche (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.55s
[INFO] running `Command { std: "docker" "inspect" "5c62f6567bd7b9e587a113d7dcf94e80e09210200bf19cb1d9f7a5907474fe82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c62f6567bd7b9e587a113d7dcf94e80e09210200bf19cb1d9f7a5907474fe82", kill_on_drop: false }`
[INFO] [stdout] 5c62f6567bd7b9e587a113d7dcf94e80e09210200bf19cb1d9f7a5907474fe82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 760dd5e83e6700be363719e8672a3872c23a35afa668b089497872efc01d049b
[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" "760dd5e83e6700be363719e8672a3872c23a35afa668b089497872efc01d049b", kill_on_drop: false }`
[INFO] [stderr]    Compiling brioche-ducc-serde v0.1.2-brioche (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "760dd5e83e6700be363719e8672a3872c23a35afa668b089497872efc01d049b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "760dd5e83e6700be363719e8672a3872c23a35afa668b089497872efc01d049b", kill_on_drop: false }`
[INFO] [stdout] 760dd5e83e6700be363719e8672a3872c23a35afa668b089497872efc01d049b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 611bc8128210106fed5fcf78175d6a964bb16b8548eab138694692472794486d
[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" "611bc8128210106fed5fcf78175d6a964bb16b8548eab138694692472794486d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/brioche_ducc_serde-98046a292c5235e7
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests brioche-ducc-serde
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "611bc8128210106fed5fcf78175d6a964bb16b8548eab138694692472794486d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "611bc8128210106fed5fcf78175d6a964bb16b8548eab138694692472794486d", kill_on_drop: false }`
[INFO] [stdout] 611bc8128210106fed5fcf78175d6a964bb16b8548eab138694692472794486d