[INFO] fetching crate serde_piecewise_default_derive 0.2.0...
[INFO] testing serde_piecewise_default_derive-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate serde_piecewise_default_derive 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate serde_piecewise_default_derive 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_piecewise_default_derive 0.2.0
[INFO] finished tweaking crates.io crate serde_piecewise_default_derive 0.2.0
[INFO] tweaked toml for crates.io crate serde_piecewise_default_derive 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb5f5fb68e9cd1a022b1fccbdef7d008bd79147195120bb1d96824780a6daafb
[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" "bb5f5fb68e9cd1a022b1fccbdef7d008bd79147195120bb1d96824780a6daafb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb5f5fb68e9cd1a022b1fccbdef7d008bd79147195120bb1d96824780a6daafb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb5f5fb68e9cd1a022b1fccbdef7d008bd79147195120bb1d96824780a6daafb", kill_on_drop: false }`
[INFO] [stdout] bb5f5fb68e9cd1a022b1fccbdef7d008bd79147195120bb1d96824780a6daafb
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] da9ab62ea39a92b41c4f65ba4d24058787c9b3648c7949ae758d11dc949ad131
[INFO] running `Command { std: "docker" "start" "-a" "da9ab62ea39a92b41c4f65ba4d24058787c9b3648c7949ae758d11dc949ad131", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_piecewise_default_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "da9ab62ea39a92b41c4f65ba4d24058787c9b3648c7949ae758d11dc949ad131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da9ab62ea39a92b41c4f65ba4d24058787c9b3648c7949ae758d11dc949ad131", kill_on_drop: false }`
[INFO] [stdout] da9ab62ea39a92b41c4f65ba4d24058787c9b3648c7949ae758d11dc949ad131
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaa8931d1db544f908afe2d66a4d687e1992efe56d22021784bd7bcf590badbe
[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" "aaa8931d1db544f908afe2d66a4d687e1992efe56d22021784bd7bcf590badbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_piecewise_default_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "aaa8931d1db544f908afe2d66a4d687e1992efe56d22021784bd7bcf590badbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaa8931d1db544f908afe2d66a4d687e1992efe56d22021784bd7bcf590badbe", kill_on_drop: false }`
[INFO] [stdout] aaa8931d1db544f908afe2d66a4d687e1992efe56d22021784bd7bcf590badbe
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf007bd6135a6a2aa21f355861dcc4cb253668ab1b1f9790fa857a1b09709e5c
[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" "cf007bd6135a6a2aa21f355861dcc4cb253668ab1b1f9790fa857a1b09709e5c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_piecewise_default_derive-4e91f6ef7015cd5b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_piecewise_default_derive
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - deserialize_piecewise_default_derive (line 34) ... ok
[INFO] [stdout] test src/lib.rs - deserialize_piecewise_default_derive (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cf007bd6135a6a2aa21f355861dcc4cb253668ab1b1f9790fa857a1b09709e5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf007bd6135a6a2aa21f355861dcc4cb253668ab1b1f9790fa857a1b09709e5c", kill_on_drop: false }`
[INFO] [stdout] cf007bd6135a6a2aa21f355861dcc4cb253668ab1b1f9790fa857a1b09709e5c