[INFO] fetching crate ipv8 0.1.0...
[INFO] testing ipv8-0.1.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate ipv8 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ipv8 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipv8 0.1.0
[INFO] finished tweaking crates.io crate ipv8 0.1.0
[INFO] tweaked toml for crates.io crate ipv8 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 891e1a0a66a588c60b62e95fa00aca7ef89f838f4dbaa05e012e57a591fb6068
[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" "891e1a0a66a588c60b62e95fa00aca7ef89f838f4dbaa05e012e57a591fb6068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "891e1a0a66a588c60b62e95fa00aca7ef89f838f4dbaa05e012e57a591fb6068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "891e1a0a66a588c60b62e95fa00aca7ef89f838f4dbaa05e012e57a591fb6068", kill_on_drop: false }`
[INFO] [stdout] 891e1a0a66a588c60b62e95fa00aca7ef89f838f4dbaa05e012e57a591fb6068
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7495ce1a66cc8675d5b75c6ea67ec2a2703a4808f6315f9adfde3d39ba6e72ad
[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" "7495ce1a66cc8675d5b75c6ea67ec2a2703a4808f6315f9adfde3d39ba6e72ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling ipv8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `config`
[INFO] [stdout]  --> src/ipv8.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   config: Config,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "7495ce1a66cc8675d5b75c6ea67ec2a2703a4808f6315f9adfde3d39ba6e72ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7495ce1a66cc8675d5b75c6ea67ec2a2703a4808f6315f9adfde3d39ba6e72ad", kill_on_drop: false }`
[INFO] [stdout] 7495ce1a66cc8675d5b75c6ea67ec2a2703a4808f6315f9adfde3d39ba6e72ad
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d79fd10fcd273f9bb476b02a6a920800971d99c98bf20149f2a069b42d7512b
[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" "3d79fd10fcd273f9bb476b02a6a920800971d99c98bf20149f2a069b42d7512b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ipv8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `config`
[INFO] [stdout]  --> src/ipv8.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   config: Config,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `config`
[INFO] [stdout]  --> src/ipv8.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   config: Config,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "3d79fd10fcd273f9bb476b02a6a920800971d99c98bf20149f2a069b42d7512b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d79fd10fcd273f9bb476b02a6a920800971d99c98bf20149f2a069b42d7512b", kill_on_drop: false }`
[INFO] [stdout] 3d79fd10fcd273f9bb476b02a6a920800971d99c98bf20149f2a069b42d7512b
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 10e19d24cf414c6552b0ec71013f8e258f5dff058dc20afa2f379620c93ef5fb
[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" "10e19d24cf414c6552b0ec71013f8e258f5dff058dc20afa2f379620c93ef5fb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `config`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/ipv8.rs:9:3
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 9 |   config: Config,
[INFO] [stdout] 
[INFO] [stderr]   |   ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `config`
[INFO] [stderr]  --> src/ipv8.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   config: Config,
[INFO] [stderr]   |   ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ipv8-1c79d948a4812230
[INFO] [stderr]    Doc-tests ipv8
[INFO] [stderr] error[E0659]: `ipv8` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ipv8::IPv8;
[INFO] [stderr]   |     ^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ipv8` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::ipv8` to refer to this crate unambiguously
[INFO] [stderr] note: `ipv8` could also refer to the module defined here
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | mod ipv8;
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   = help: use `crate::ipv8` 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" "10e19d24cf414c6552b0ec71013f8e258f5dff058dc20afa2f379620c93ef5fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e19d24cf414c6552b0ec71013f8e258f5dff058dc20afa2f379620c93ef5fb", kill_on_drop: false }`
[INFO] [stdout] 10e19d24cf414c6552b0ec71013f8e258f5dff058dc20afa2f379620c93ef5fb
