[INFO] fetching crate cs_serde_bytes 0.12.0...
[INFO] testing cs_serde_bytes-0.12.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cs_serde_bytes 0.12.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cs_serde_bytes 0.12.0 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 cs_serde_bytes 0.12.0
[INFO] finished tweaking crates.io crate cs_serde_bytes 0.12.0
[INFO] tweaked toml for crates.io crate cs_serde_bytes 0.12.0 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] a16e55ed9cc37ea2f32018f74d41a3cb63adf4403f46680868408f4e01ac9331
[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" "a16e55ed9cc37ea2f32018f74d41a3cb63adf4403f46680868408f4e01ac9331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a16e55ed9cc37ea2f32018f74d41a3cb63adf4403f46680868408f4e01ac9331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16e55ed9cc37ea2f32018f74d41a3cb63adf4403f46680868408f4e01ac9331", kill_on_drop: false }`
[INFO] [stdout] a16e55ed9cc37ea2f32018f74d41a3cb63adf4403f46680868408f4e01ac9331
[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] a938aafe5ceb63f312fe117dd37c49acef19de1a90f0bd6ea8f54de29589fbc0
[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" "a938aafe5ceb63f312fe117dd37c49acef19de1a90f0bd6ea8f54de29589fbc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cs_serde_bytes v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "a938aafe5ceb63f312fe117dd37c49acef19de1a90f0bd6ea8f54de29589fbc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a938aafe5ceb63f312fe117dd37c49acef19de1a90f0bd6ea8f54de29589fbc0", kill_on_drop: false }`
[INFO] [stdout] a938aafe5ceb63f312fe117dd37c49acef19de1a90f0bd6ea8f54de29589fbc0
[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] [stdout] ce04f437d3feabe2bb0c3f40dd95a4cef3600b90b8063cb25fa9a3e38e250464
[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" "ce04f437d3feabe2bb0c3f40dd95a4cef3600b90b8063cb25fa9a3e38e250464", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_test v1.0.118
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling cs_serde_bytes v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `serde_bytes`
[INFO] [stdout]  --> tests/test_serde.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_bytes::{ByteBuf, Bytes};
[INFO] [stdout]   |     ^^^^^^^^^^^ use of undeclared crate or module `serde_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cs_serde_bytes`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `serde_bytes`
[INFO] [stdout]  --> tests/test_partialeq.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_bytes::{ByteBuf, Bytes};
[INFO] [stdout]   |     ^^^^^^^^^^^ use of undeclared crate or module `serde_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serde_bytes`
[INFO] [stdout]  --> tests/test_derive.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_bytes::{ByteBuf, Bytes};
[INFO] [stdout]   |     ^^^^^^^^^^^ use of undeclared crate or module `serde_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_bytes`
[INFO] [stdout]  --> tests/test_derive.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[serde(with = "serde_bytes")]
[INFO] [stdout]   |                    ^^^^^^^^^^^^^ use of undeclared crate or module `serde_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_bytes`
[INFO] [stdout]   --> tests/test_derive.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     #[serde(with = "serde_bytes")]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^ use of undeclared crate or module `serde_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_bytes`
[INFO] [stdout]   --> tests/test_derive.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |     #[serde(with = "serde_bytes")]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^ use of undeclared crate or module `serde_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_bytes`
[INFO] [stdout]   --> tests/test_derive.rs:17:20
[INFO] [stdout]    |
[INFO] [stdout] 17 |     #[serde(with = "serde_bytes")]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^ use of undeclared crate or module `serde_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_bytes`
[INFO] [stdout]   --> tests/test_derive.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |     #[serde(with = "serde_bytes")]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^ use of undeclared crate or module `serde_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_bytes`
[INFO] [stdout]   --> tests/test_derive.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     #[serde(with = "serde_bytes")]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^ use of undeclared crate or module `serde_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_bytes`
[INFO] [stdout]   --> tests/test_derive.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     #[serde(with = "serde_bytes")]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^ use of undeclared crate or module `serde_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_bytes`
[INFO] [stdout]   --> tests/test_derive.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |     #[serde(with = "serde_bytes")]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^ use of undeclared crate or module `serde_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_bytes`
[INFO] [stdout]   --> tests/test_derive.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |     #[serde(with = "serde_bytes")]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^ use of undeclared crate or module `serde_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_bytes`
[INFO] [stdout]   --> tests/test_derive.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |     #[serde(with = "serde_bytes")]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^ use of undeclared crate or module `serde_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_bytes`
[INFO] [stdout]   --> tests/test_derive.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     #[serde(with = "serde_bytes")]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^ use of undeclared crate or module `serde_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_bytes`
[INFO] [stdout]   --> tests/test_derive.rs:44:20
[INFO] [stdout]    |
[INFO] [stdout] 44 |     #[serde(with = "serde_bytes")]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^ use of undeclared crate or module `serde_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ce04f437d3feabe2bb0c3f40dd95a4cef3600b90b8063cb25fa9a3e38e250464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce04f437d3feabe2bb0c3f40dd95a4cef3600b90b8063cb25fa9a3e38e250464", kill_on_drop: false }`
[INFO] [stdout] ce04f437d3feabe2bb0c3f40dd95a4cef3600b90b8063cb25fa9a3e38e250464