[INFO] fetching crate legomushroom-tun 0.5.4...
[INFO] testing legomushroom-tun-0.5.4 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate legomushroom-tun 0.5.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate legomushroom-tun 0.5.4 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-1/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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ioctl-sys v0.6.0
[INFO] [stderr]   Downloaded tokio-macros v1.4.1
[INFO] [stderr]   Downloaded packet v0.1.4
[INFO] [stderr]   Downloaded hwaddr v0.1.7
[INFO] [stderr]   Downloaded syn v1.0.79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e9bb09c6ee368e65ea6f0db1292351c44a91c255196c8784d215d8d44fe8907
[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" "4e9bb09c6ee368e65ea6f0db1292351c44a91c255196c8784d215d8d44fe8907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e9bb09c6ee368e65ea6f0db1292351c44a91c255196c8784d215d8d44fe8907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e9bb09c6ee368e65ea6f0db1292351c44a91c255196c8784d215d8d44fe8907", kill_on_drop: false }`
[INFO] [stdout] 4e9bb09c6ee368e65ea6f0db1292351c44a91c255196c8784d215d8d44fe8907
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcba50f187926f1aa468bcf50dfafa8a815f4b070496ea4d17f81d1c8ec4652e
[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" "bcba50f187926f1aa468bcf50dfafa8a815f4b070496ea4d17f81d1c8ec4652e", 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 20.75s
[INFO] running `Command { std: "docker" "inspect" "bcba50f187926f1aa468bcf50dfafa8a815f4b070496ea4d17f81d1c8ec4652e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcba50f187926f1aa468bcf50dfafa8a815f4b070496ea4d17f81d1c8ec4652e", kill_on_drop: false }`
[INFO] [stdout] bcba50f187926f1aa468bcf50dfafa8a815f4b070496ea4d17f81d1c8ec4652e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83d8614ad093093fd54745fa0f8dac8921feabfcf0c66b5ae4044e7bc947190a
[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" "83d8614ad093093fd54745fa0f8dac8921feabfcf0c66b5ae4044e7bc947190a", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling hwaddr v0.1.7
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling packet v0.1.4
[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" "83d8614ad093093fd54745fa0f8dac8921feabfcf0c66b5ae4044e7bc947190a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d8614ad093093fd54745fa0f8dac8921feabfcf0c66b5ae4044e7bc947190a", kill_on_drop: false }`
[INFO] [stdout] 83d8614ad093093fd54745fa0f8dac8921feabfcf0c66b5ae4044e7bc947190a