[INFO] crate serde_variant 0.1.0 is already in cache
[INFO] testing serde_variant-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate serde_variant 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate serde_variant 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_variant 0.1.0
[INFO] finished tweaking crates.io crate serde_variant 0.1.0
[INFO] tweaked toml for crates.io crate serde_variant 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b466f0ab6706821084aec39a579d37b9213bbc6affa1d0c9670eb497a9d8d7c
[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" "4b466f0ab6706821084aec39a579d37b9213bbc6affa1d0c9670eb497a9d8d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b466f0ab6706821084aec39a579d37b9213bbc6affa1d0c9670eb497a9d8d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b466f0ab6706821084aec39a579d37b9213bbc6affa1d0c9670eb497a9d8d7c", kill_on_drop: false }`
[INFO] [stdout] 4b466f0ab6706821084aec39a579d37b9213bbc6affa1d0c9670eb497a9d8d7c
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c12f80d1424f5beb8ff3c2ac7aeca774844bc103efaf99201fc8bd2798c4ba2
[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" "8c12f80d1424f5beb8ff3c2ac7aeca774844bc103efaf99201fc8bd2798c4ba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling serde_variant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.20s
[INFO] running `Command { std: "docker" "inspect" "8c12f80d1424f5beb8ff3c2ac7aeca774844bc103efaf99201fc8bd2798c4ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c12f80d1424f5beb8ff3c2ac7aeca774844bc103efaf99201fc8bd2798c4ba2", kill_on_drop: false }`
[INFO] [stdout] 8c12f80d1424f5beb8ff3c2ac7aeca774844bc103efaf99201fc8bd2798c4ba2
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b5f29758ca3f1a0d8f65f0842688429f38538516bbe2387d431c0262f6a29d4
[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" "2b5f29758ca3f1a0d8f65f0842688429f38538516bbe2387d431c0262f6a29d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_variant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "2b5f29758ca3f1a0d8f65f0842688429f38538516bbe2387d431c0262f6a29d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5f29758ca3f1a0d8f65f0842688429f38538516bbe2387d431c0262f6a29d4", kill_on_drop: false }`
[INFO] [stdout] 2b5f29758ca3f1a0d8f65f0842688429f38538516bbe2387d431c0262f6a29d4
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b271c9e44fa48f9d09d5a311a6ee8eb893db4fd72be8b82422ecf93d72c259e9
[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" "b271c9e44fa48f9d09d5a311a6ee8eb893db4fd72be8b82422ecf93d72c259e9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_variant-76219ffcf43d1ba8
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests serde_variant
[INFO] [stdout] test tests::newtype_struct_unsupported ... ok
[INFO] [stdout] test tests::unit_variant_names ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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" "b271c9e44fa48f9d09d5a311a6ee8eb893db4fd72be8b82422ecf93d72c259e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b271c9e44fa48f9d09d5a311a6ee8eb893db4fd72be8b82422ecf93d72c259e9", kill_on_drop: false }`
[INFO] [stdout] b271c9e44fa48f9d09d5a311a6ee8eb893db4fd72be8b82422ecf93d72c259e9