[INFO] fetching crate transmission 0.3.1...
[INFO] testing transmission-0.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate transmission 0.3.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate transmission 0.3.1 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 transmission 0.3.1
[INFO] finished tweaking crates.io crate transmission 0.3.1
[INFO] tweaked toml for crates.io crate transmission 0.3.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e9bc040eb74ed09eb622ffbc665d683213afa110105684472a08d5d9d1d93cd
[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" "5e9bc040eb74ed09eb622ffbc665d683213afa110105684472a08d5d9d1d93cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e9bc040eb74ed09eb622ffbc665d683213afa110105684472a08d5d9d1d93cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e9bc040eb74ed09eb622ffbc665d683213afa110105684472a08d5d9d1d93cd", kill_on_drop: false }`
[INFO] [stdout] 5e9bc040eb74ed09eb622ffbc665d683213afa110105684472a08d5d9d1d93cd
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64d04d9383a0cdd99f1637a92e8052c1e240d89bf284939428c585a840ba7e1a
[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" "64d04d9383a0cdd99f1637a92e8052c1e240d89bf284939428c585a840ba7e1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bindgen v0.45.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling libevent-sys v0.2.1
[INFO] [stderr]    Compiling transmission-sys v0.3.2
[INFO] [stdout] error[E0277]: the trait bound `[u8; 44]: Default` is not satisfied
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/libevent-sys-ce1a6a0761b3dc19/out/bindings.rs:3:175384
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...it < [ u8 ; 44usize ] , u8 > = Default :: default ( ) ; __bindgen_bitfield_unit } } extern "C" { pub fn clock_adjtime ( __clock_id : _...
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^ the trait `Default` is not implemented for `[u8; 44]`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the following implementations were found:
[INFO] [stdout]             <&[T] as Default>
[INFO] [stdout]             <&mut [T] as Default>
[INFO] [stdout]             <[T; 0] as Default>
[INFO] [stdout]             <[T; 10] as Default>
[INFO] [stdout]           and 31 others
[INFO] [stdout]   = note: required because of the requirements on the impl of `Default` for `__BindgenBitfieldUnit<[u8; 44], u8>`
[INFO] [stdout]   = note: required by `std::default::Default::default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libevent-sys`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "64d04d9383a0cdd99f1637a92e8052c1e240d89bf284939428c585a840ba7e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d04d9383a0cdd99f1637a92e8052c1e240d89bf284939428c585a840ba7e1a", kill_on_drop: false }`
[INFO] [stdout] 64d04d9383a0cdd99f1637a92e8052c1e240d89bf284939428c585a840ba7e1a