[INFO] fetching crate bytebuffer-new 0.2.2...
[INFO] testing bytebuffer-new-0.2.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bytebuffer-new 0.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bytebuffer-new 0.2.2 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 bytebuffer-new 0.2.2
[INFO] finished tweaking crates.io crate bytebuffer-new 0.2.2
[INFO] tweaked toml for crates.io crate bytebuffer-new 0.2.2 written to /workspace/builds/worker-0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 5e8d8543ce47904f0407e248b4369441ce9bd46344cbcbf53a0120ee47e167fd
[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" "5e8d8543ce47904f0407e248b4369441ce9bd46344cbcbf53a0120ee47e167fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e8d8543ce47904f0407e248b4369441ce9bd46344cbcbf53a0120ee47e167fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e8d8543ce47904f0407e248b4369441ce9bd46344cbcbf53a0120ee47e167fd", kill_on_drop: false }`
[INFO] [stdout] 5e8d8543ce47904f0407e248b4369441ce9bd46344cbcbf53a0120ee47e167fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f41e9ff7153c031c32d51837d2a98049ba7ab749f6d742bf469fe46bc1425dc1
[INFO] running `Command { std: "docker" "start" "-a" "f41e9ff7153c031c32d51837d2a98049ba7ab749f6d742bf469fe46bc1425dc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytebuffer-new v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "f41e9ff7153c031c32d51837d2a98049ba7ab749f6d742bf469fe46bc1425dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41e9ff7153c031c32d51837d2a98049ba7ab749f6d742bf469fe46bc1425dc1", kill_on_drop: false }`
[INFO] [stdout] f41e9ff7153c031c32d51837d2a98049ba7ab749f6d742bf469fe46bc1425dc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4723ddffcd788402a1ba615ffcb688462dff1e0cdb53f6a074161e6e7581f678
[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" "4723ddffcd788402a1ba615ffcb688462dff1e0cdb53f6a074161e6e7581f678", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytebuffer-new v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `bytebuffer`
[INFO] [stdout]  --> tests/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate bytebuffer;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bytebuffer-new`
[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 `Command { std: "docker" "inspect" "4723ddffcd788402a1ba615ffcb688462dff1e0cdb53f6a074161e6e7581f678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4723ddffcd788402a1ba615ffcb688462dff1e0cdb53f6a074161e6e7581f678", kill_on_drop: false }`
[INFO] [stdout] 4723ddffcd788402a1ba615ffcb688462dff1e0cdb53f6a074161e6e7581f678