[INFO] cloning repository https://github.com/xfbs/blockfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xfbs/blockfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfbs%2Fblockfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfbs%2Fblockfs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fa858c1937174352ec22571b5bb66711629e6b1
[INFO] testing xfbs/blockfs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfbs%2Fblockfs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xfbs/blockfs 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 git repo https://github.com/xfbs/blockfs
[INFO] finished tweaking git repo https://github.com/xfbs/blockfs
[INFO] tweaked toml for git repo https://github.com/xfbs/blockfs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/xfbs/blockfs already has a lockfile, it will not be regenerated
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77fba49154ae56cd1f9ba2980b30114f2600ffa9e0e52c2766429ebba0474c1e
[INFO] running `Command { std: "docker" "start" "-a" "77fba49154ae56cd1f9ba2980b30114f2600ffa9e0e52c2766429ebba0474c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77fba49154ae56cd1f9ba2980b30114f2600ffa9e0e52c2766429ebba0474c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77fba49154ae56cd1f9ba2980b30114f2600ffa9e0e52c2766429ebba0474c1e", kill_on_drop: false }`
[INFO] [stdout] 77fba49154ae56cd1f9ba2980b30114f2600ffa9e0e52c2766429ebba0474c1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 264611c6983ef3905524f8991c14d0f378ab3d5d0c44114bf78b3049c5db2266
[INFO] running `Command { std: "docker" "start" "-a" "264611c6983ef3905524f8991c14d0f378ab3d5d0c44114bf78b3049c5db2266", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.3
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling diesel v1.4.4
[INFO] [stderr]    Compiling migrations_internals v1.4.1
[INFO] [stderr]    Compiling migrations_macros v1.4.2
[INFO] [stderr]    Compiling diesel_migrations v1.4.0
[INFO] [stderr]    Compiling blockfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "264611c6983ef3905524f8991c14d0f378ab3d5d0c44114bf78b3049c5db2266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "264611c6983ef3905524f8991c14d0f378ab3d5d0c44114bf78b3049c5db2266", kill_on_drop: false }`
[INFO] [stdout] 264611c6983ef3905524f8991c14d0f378ab3d5d0c44114bf78b3049c5db2266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b5231b3b2999351b7698bb342a7d44a8dd735645e5ffe49709d04f503b2fb91f
[INFO] running `Command { std: "docker" "start" "-a" "b5231b3b2999351b7698bb342a7d44a8dd735645e5ffe49709d04f503b2fb91f", kill_on_drop: false }`
[INFO] [stderr]    Compiling blockfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "b5231b3b2999351b7698bb342a7d44a8dd735645e5ffe49709d04f503b2fb91f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5231b3b2999351b7698bb342a7d44a8dd735645e5ffe49709d04f503b2fb91f", kill_on_drop: false }`
[INFO] [stdout] b5231b3b2999351b7698bb342a7d44a8dd735645e5ffe49709d04f503b2fb91f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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", kill_on_drop: false }`
[INFO] [stdout] baec6a57d33aed32ae80b9f738e7c380d1e208b1bdde0140bd41416b85b6b1d6
[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" "baec6a57d33aed32ae80b9f738e7c380d1e208b1bdde0140bd41416b85b6b1d6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/blockfs-0bf518105a625a53
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/create-6714ad0dac1f3eee
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mount-24e8ef5022cb56e4
[INFO] [stderr]    Doc-tests blockfs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error[E0659]: `blockfs` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub use blockfs::BlockFS;
[INFO] [stderr]   |         ^^^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `blockfs` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::blockfs` to refer to this crate unambiguously
[INFO] [stderr] note: `blockfs` could also refer to the module defined here
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub mod blockfs;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   = help: use `crate::blockfs` 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" "baec6a57d33aed32ae80b9f738e7c380d1e208b1bdde0140bd41416b85b6b1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baec6a57d33aed32ae80b9f738e7c380d1e208b1bdde0140bd41416b85b6b1d6", kill_on_drop: false }`
[INFO] [stdout] baec6a57d33aed32ae80b9f738e7c380d1e208b1bdde0140bd41416b85b6b1d6