[INFO] crate testlib 0.1.5 is already in cache
[INFO] testing testlib-0.1.5 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate testlib 0.1.5 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate testlib 0.1.5 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 testlib 0.1.5
[INFO] finished tweaking crates.io crate testlib 0.1.5
[INFO] tweaked toml for crates.io crate testlib 0.1.5 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate testlib 0.1.5 already has a lockfile, it will not be regenerated
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 08fc549a8b48481a22ebfaa18efafef8b019d9f01e14188b32a6779f24465471
[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" "08fc549a8b48481a22ebfaa18efafef8b019d9f01e14188b32a6779f24465471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08fc549a8b48481a22ebfaa18efafef8b019d9f01e14188b32a6779f24465471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08fc549a8b48481a22ebfaa18efafef8b019d9f01e14188b32a6779f24465471", kill_on_drop: false }`
[INFO] [stdout] 08fc549a8b48481a22ebfaa18efafef8b019d9f01e14188b32a6779f24465471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 82073bf86285fadd5acddfad1bd8fc9b14c5cb0b9e481d12f381602ed4a36c7e
[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" "82073bf86285fadd5acddfad1bd8fc9b14c5cb0b9e481d12f381602ed4a36c7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling testlib v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "82073bf86285fadd5acddfad1bd8fc9b14c5cb0b9e481d12f381602ed4a36c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82073bf86285fadd5acddfad1bd8fc9b14c5cb0b9e481d12f381602ed4a36c7e", kill_on_drop: false }`
[INFO] [stdout] 82073bf86285fadd5acddfad1bd8fc9b14c5cb0b9e481d12f381602ed4a36c7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 1e00fe4f31085440cd6f7f82576466651387665c7cac7447cf40d48803294e20
[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" "1e00fe4f31085440cd6f7f82576466651387665c7cac7447cf40d48803294e20", kill_on_drop: false }`
[INFO] [stderr]    Compiling testlib v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `lib`
[INFO] [stdout]  --> examples/demo01.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate lib;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `testlib`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[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" "1e00fe4f31085440cd6f7f82576466651387665c7cac7447cf40d48803294e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e00fe4f31085440cd6f7f82576466651387665c7cac7447cf40d48803294e20", kill_on_drop: false }`
[INFO] [stdout] 1e00fe4f31085440cd6f7f82576466651387665c7cac7447cf40d48803294e20