[INFO] fetching crate codec-serde 0.0.0...
[INFO] testing codec-serde-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate codec-serde 0.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate codec-serde 0.0.0 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 codec-serde 0.0.0
[INFO] finished tweaking crates.io crate codec-serde 0.0.0
[INFO] tweaked toml for crates.io crate codec-serde 0.0.0 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] eb51e574bc28d3f2625b0d6e53681ad81d4e9a9a8d0c32da943146d1f622108b
[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" "eb51e574bc28d3f2625b0d6e53681ad81d4e9a9a8d0c32da943146d1f622108b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb51e574bc28d3f2625b0d6e53681ad81d4e9a9a8d0c32da943146d1f622108b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb51e574bc28d3f2625b0d6e53681ad81d4e9a9a8d0c32da943146d1f622108b", kill_on_drop: false }`
[INFO] [stdout] eb51e574bc28d3f2625b0d6e53681ad81d4e9a9a8d0c32da943146d1f622108b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 5b830818131d9e9be6101c5cda92248f01553cd887e64c29c3ca1a5ccacb6db4
[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" "5b830818131d9e9be6101c5cda92248f01553cd887e64c29c3ca1a5ccacb6db4", kill_on_drop: false }`
[INFO] [stderr]    Compiling codec-serde v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "5b830818131d9e9be6101c5cda92248f01553cd887e64c29c3ca1a5ccacb6db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b830818131d9e9be6101c5cda92248f01553cd887e64c29c3ca1a5ccacb6db4", kill_on_drop: false }`
[INFO] [stdout] 5b830818131d9e9be6101c5cda92248f01553cd887e64c29c3ca1a5ccacb6db4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4abef40faa732ce63d282d34dfecec069cbcb9fe63c4ff1f5b87d4b564f67eec
[INFO] running `Command { std: "docker" "start" "-a" "4abef40faa732ce63d282d34dfecec069cbcb9fe63c4ff1f5b87d4b564f67eec", kill_on_drop: false }`
[INFO] [stderr]    Compiling codec-serde v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "4abef40faa732ce63d282d34dfecec069cbcb9fe63c4ff1f5b87d4b564f67eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4abef40faa732ce63d282d34dfecec069cbcb9fe63c4ff1f5b87d4b564f67eec", kill_on_drop: false }`
[INFO] [stdout] 4abef40faa732ce63d282d34dfecec069cbcb9fe63c4ff1f5b87d4b564f67eec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 3bfcf2d0272efda65fab415eb3ef0a1124a47d5bfcb4cbcd7359f8883b4e24d8
[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" "3bfcf2d0272efda65fab415eb3ef0a1124a47d5bfcb4cbcd7359f8883b4e24d8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/codec_serde-d3dbc41f6425615f
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests codec-serde
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "3bfcf2d0272efda65fab415eb3ef0a1124a47d5bfcb4cbcd7359f8883b4e24d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bfcf2d0272efda65fab415eb3ef0a1124a47d5bfcb4cbcd7359f8883b4e24d8", kill_on_drop: false }`
[INFO] [stdout] 3bfcf2d0272efda65fab415eb3ef0a1124a47d5bfcb4cbcd7359f8883b4e24d8