[INFO] crate patricia_tree 0.1.9 is already in cache
[INFO] testing patricia_tree-0.1.9 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate patricia_tree 0.1.9 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate patricia_tree 0.1.9 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate patricia_tree 0.1.9
[INFO] finished tweaking crates.io crate patricia_tree 0.1.9
[INFO] tweaked toml for crates.io crate patricia_tree 0.1.9 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate patricia_tree 0.1.9 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 56ef83c786e42c62c30f4eba6f5113066d7bb703ed179e87cfa0f3092a4ccf5a
[INFO] running `"docker" "start" "-a" "56ef83c786e42c62c30f4eba6f5113066d7bb703ed179e87cfa0f3092a4ccf5a"`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling patricia_tree v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `"docker" "inspect" "56ef83c786e42c62c30f4eba6f5113066d7bb703ed179e87cfa0f3092a4ccf5a"`
[INFO] running `"docker" "rm" "-f" "56ef83c786e42c62c30f4eba6f5113066d7bb703ed179e87cfa0f3092a4ccf5a"`
[INFO] [stdout] 56ef83c786e42c62c30f4eba6f5113066d7bb703ed179e87cfa0f3092a4ccf5a
[INFO] running `"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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3e78d3386c2ce5aa1b71699785f58534b6bdc7be7b2363d250dfe62cc24f91bb
[INFO] running `"docker" "start" "-a" "3e78d3386c2ce5aa1b71699785f58534b6bdc7be7b2363d250dfe62cc24f91bb"`
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling patricia_tree v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `bytecodec`
[INFO] [stderr]  --> examples/encode.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate bytecodec;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `patricia_tree`.
[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] [stderr] error[E0463]: can't find crate for `bytecodec`
[INFO] [stderr]  --> examples/decode.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate bytecodec;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `patricia_tree`.
[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] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3e78d3386c2ce5aa1b71699785f58534b6bdc7be7b2363d250dfe62cc24f91bb"`
[INFO] running `"docker" "rm" "-f" "3e78d3386c2ce5aa1b71699785f58534b6bdc7be7b2363d250dfe62cc24f91bb"`
[INFO] [stdout] 3e78d3386c2ce5aa1b71699785f58534b6bdc7be7b2363d250dfe62cc24f91bb