[INFO] fetching crate macvtap 0.1.1...
[INFO] testing macvtap-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate macvtap 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate macvtap 0.1.1 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 crates.io crate macvtap 0.1.1
[INFO] finished tweaking crates.io crate macvtap 0.1.1
[INFO] tweaked toml for crates.io crate macvtap 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate macvtap 0.1.1 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] e9e352db2ab3b7be1e42055d8bae1b77e622a06beba87fddf7fabfaf0eb75276
[INFO] running `Command { std: "docker" "start" "-a" "e9e352db2ab3b7be1e42055d8bae1b77e622a06beba87fddf7fabfaf0eb75276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9e352db2ab3b7be1e42055d8bae1b77e622a06beba87fddf7fabfaf0eb75276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e352db2ab3b7be1e42055d8bae1b77e622a06beba87fddf7fabfaf0eb75276", kill_on_drop: false }`
[INFO] [stdout] e9e352db2ab3b7be1e42055d8bae1b77e622a06beba87fddf7fabfaf0eb75276
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3514652fe8870dd118100600cea3be9b92711bc3e9ec5ae02a34b24835095f3a
[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" "3514652fe8870dd118100600cea3be9b92711bc3e9ec5ae02a34b24835095f3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling macvtap v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "3514652fe8870dd118100600cea3be9b92711bc3e9ec5ae02a34b24835095f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3514652fe8870dd118100600cea3be9b92711bc3e9ec5ae02a34b24835095f3a", kill_on_drop: false }`
[INFO] [stdout] 3514652fe8870dd118100600cea3be9b92711bc3e9ec5ae02a34b24835095f3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc50bdad5e434cc9600e0283841352e88bccf98463b4564c87980fcac34baa08
[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" "fc50bdad5e434cc9600e0283841352e88bccf98463b4564c87980fcac34baa08", kill_on_drop: false }`
[INFO] [stderr]    Compiling macvtap v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "fc50bdad5e434cc9600e0283841352e88bccf98463b4564c87980fcac34baa08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc50bdad5e434cc9600e0283841352e88bccf98463b4564c87980fcac34baa08", kill_on_drop: false }`
[INFO] [stdout] fc50bdad5e434cc9600e0283841352e88bccf98463b4564c87980fcac34baa08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 6c1af7a82021b8f7e4bbedf3d2c491ae9a640d1619b7ab0f507112bce1a5e5f3
[INFO] running `Command { std: "docker" "start" "-a" "6c1af7a82021b8f7e4bbedf3d2c491ae9a640d1619b7ab0f507112bce1a5e5f3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/macvtap-3f0c8e3d137cce70
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests macvtap
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Iface::new (line 40) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stdout] test src/lib.rs - Iface::new (line 33) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Iface::new (line 40) stdout ----
[INFO] [stdout] error: expected one of `!` or `[`, found `sync`
[INFO] [stdout]  --> src/lib.rs:44:2
[INFO] [stdout]   |
[INFO] [stdout] 7 | #sync read/write
[INFO] [stdout]   |  ^^^^ expected one of `!` or `[`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Iface::new (line 33) stdout ----
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `macvtap`
[INFO] [stdout]  --> src/lib.rs:34:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | modprobe macvtap
[INFO] [stdout]   |          ^^^^^^^ expected one of 8 possible tokens
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Iface::new (line 33)
[INFO] [stdout]     src/lib.rs - Iface::new (line 40)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c1af7a82021b8f7e4bbedf3d2c491ae9a640d1619b7ab0f507112bce1a5e5f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1af7a82021b8f7e4bbedf3d2c491ae9a640d1619b7ab0f507112bce1a5e5f3", kill_on_drop: false }`
[INFO] [stdout] 6c1af7a82021b8f7e4bbedf3d2c491ae9a640d1619b7ab0f507112bce1a5e5f3