[INFO] fetching crate pbo 0.1.3...
[INFO] testing pbo-0.1.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate pbo 0.1.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate pbo 0.1.3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pbo 0.1.3
[INFO] finished tweaking crates.io crate pbo 0.1.3
[INFO] tweaked toml for crates.io crate pbo 0.1.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 702cfd776dcb367fdbca89622b731a29bef4fa0f1cab97af2da2755a203704dd
[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" "702cfd776dcb367fdbca89622b731a29bef4fa0f1cab97af2da2755a203704dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "702cfd776dcb367fdbca89622b731a29bef4fa0f1cab97af2da2755a203704dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "702cfd776dcb367fdbca89622b731a29bef4fa0f1cab97af2da2755a203704dd", kill_on_drop: false }`
[INFO] [stdout] 702cfd776dcb367fdbca89622b731a29bef4fa0f1cab97af2da2755a203704dd
[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" "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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c04ebc99230093d55a00d4b47824dc6d57045d7d5599dc7b541b919179d700c4
[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" "c04ebc99230093d55a00d4b47824dc6d57045d7d5599dc7b541b919179d700c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling pbo v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "c04ebc99230093d55a00d4b47824dc6d57045d7d5599dc7b541b919179d700c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04ebc99230093d55a00d4b47824dc6d57045d7d5599dc7b541b919179d700c4", kill_on_drop: false }`
[INFO] [stdout] c04ebc99230093d55a00d4b47824dc6d57045d7d5599dc7b541b919179d700c4
[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" "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" "+beta-2021-01-01" "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] 2fd65f3e62efb953f9ec3cba7dbc022509ae48f71cfa0044366125c4809429b5
[INFO] running `Command { std: "docker" "start" "-a" "2fd65f3e62efb953f9ec3cba7dbc022509ae48f71cfa0044366125c4809429b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling pbo v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "2fd65f3e62efb953f9ec3cba7dbc022509ae48f71cfa0044366125c4809429b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd65f3e62efb953f9ec3cba7dbc022509ae48f71cfa0044366125c4809429b5", kill_on_drop: false }`
[INFO] [stdout] 2fd65f3e62efb953f9ec3cba7dbc022509ae48f71cfa0044366125c4809429b5
[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" "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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0af2616c1cac6366cc0d77bcf7a0fe1858ac78a9ea73f11926c8624aad146c3
[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" "c0af2616c1cac6366cc0d77bcf7a0fe1858ac78a9ea73f11926c8624aad146c3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pbo-d82fe2fd49384189
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests pbo
[INFO] [stdout] test header::read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error[E0659]: `pbo` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub use pbo::PBO;
[INFO] [stderr]   |         ^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `pbo` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::pbo` to refer to this crate unambiguously
[INFO] [stderr] note: `pbo` could also refer to the module defined here
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod pbo;
[INFO] [stderr]   | ^^^^^^^^
[INFO] [stderr]   = help: use `crate::pbo` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "c0af2616c1cac6366cc0d77bcf7a0fe1858ac78a9ea73f11926c8624aad146c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0af2616c1cac6366cc0d77bcf7a0fe1858ac78a9ea73f11926c8624aad146c3", kill_on_drop: false }`
[INFO] [stdout] c0af2616c1cac6366cc0d77bcf7a0fe1858ac78a9ea73f11926c8624aad146c3