[INFO] fetching crate legomushroom-tun 0.5.4...
[INFO] testing legomushroom-tun-0.5.4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate legomushroom-tun 0.5.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate legomushroom-tun 0.5.4 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate legomushroom-tun 0.5.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate legomushroom-tun 0.5.4
[INFO] tweaked toml for crates.io crate legomushroom-tun 0.5.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate legomushroom-tun 0.5.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 964eeffc947c9b0e193e77ab9af51cae236d0356760fbe152802075cdc16122f
[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" "964eeffc947c9b0e193e77ab9af51cae236d0356760fbe152802075cdc16122f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "964eeffc947c9b0e193e77ab9af51cae236d0356760fbe152802075cdc16122f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "964eeffc947c9b0e193e77ab9af51cae236d0356760fbe152802075cdc16122f", kill_on_drop: false }`
[INFO] [stdout] 964eeffc947c9b0e193e77ab9af51cae236d0356760fbe152802075cdc16122f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54bf57dc57f96ae200dcf84a98bd59bc6cf1af118bc91f27e39a44a6583b5e1e
[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" "54bf57dc57f96ae200dcf84a98bd59bc6cf1af118bc91f27e39a44a6583b5e1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.79
[INFO] [stderr]    Compiling ioctl-sys v0.6.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling legomushroom-tun v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.91s
[INFO] running `Command { std: "docker" "inspect" "54bf57dc57f96ae200dcf84a98bd59bc6cf1af118bc91f27e39a44a6583b5e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54bf57dc57f96ae200dcf84a98bd59bc6cf1af118bc91f27e39a44a6583b5e1e", kill_on_drop: false }`
[INFO] [stdout] 54bf57dc57f96ae200dcf84a98bd59bc6cf1af118bc91f27e39a44a6583b5e1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 431017ab16d2827dc6840a832a1c5ce6c19fd833e33011ef19ecdda6e94ad02e
[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" "431017ab16d2827dc6840a832a1c5ce6c19fd833e33011ef19ecdda6e94ad02e", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling hwaddr v0.1.7
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling packet v0.1.4
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling legomushroom-tun v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tun`
[INFO] [stdout]   --> examples/read.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut dev = tun::create(&config).unwrap();
[INFO] [stdout]    |                   ^^^ use of undeclared crate or module `tun`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tun`
[INFO] [stdout]   --> examples/read.rs:18:27
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut config = tun::Configuration::default();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ not found in `tun`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 15 | use legomushroom_tun::Configuration;
[INFO] [stdout]    |
[INFO] [stdout] 15 | use legomushroom_tun::platform::Configuration;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> examples/read.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `legomushroom-tun` due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "431017ab16d2827dc6840a832a1c5ce6c19fd833e33011ef19ecdda6e94ad02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "431017ab16d2827dc6840a832a1c5ce6c19fd833e33011ef19ecdda6e94ad02e", kill_on_drop: false }`
[INFO] [stdout] 431017ab16d2827dc6840a832a1c5ce6c19fd833e33011ef19ecdda6e94ad02e