[INFO] fetching crate melnet 0.2.2...
[INFO] testing melnet-0.2.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate melnet 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate melnet 0.2.2 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 melnet 0.2.2
[INFO] finished tweaking crates.io crate melnet 0.2.2
[INFO] tweaked toml for crates.io crate melnet 0.2.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate melnet 0.2.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 60da6e2db66f5a260e8dcc460f2664cda82e85545a66ec9564d0f86a03b5876f
[INFO] running `Command { std: "docker" "start" "-a" "60da6e2db66f5a260e8dcc460f2664cda82e85545a66ec9564d0f86a03b5876f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60da6e2db66f5a260e8dcc460f2664cda82e85545a66ec9564d0f86a03b5876f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60da6e2db66f5a260e8dcc460f2664cda82e85545a66ec9564d0f86a03b5876f", kill_on_drop: false }`
[INFO] [stdout] 60da6e2db66f5a260e8dcc460f2664cda82e85545a66ec9564d0f86a03b5876f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 9b4752dc0c6abae23f362b335eec98aeccc1caead273597c2c2e81749a6437f0
[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" "9b4752dc0c6abae23f362b335eec98aeccc1caead273597c2c2e81749a6437f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling fastrand v1.4.1
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling futures-micro v0.3.1
[INFO] [stderr]    Compiling deadpool-runtime v0.1.2
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling rtrb v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling async-oneshot v0.4.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling futures-intrusive v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling async-io v1.4.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling async-fs v1.5.0
[INFO] [stderr]    Compiling async-process v1.1.0
[INFO] [stderr]    Compiling async-net v1.6.0
[INFO] [stderr]    Compiling smol-timeout v0.6.0
[INFO] [stderr]    Compiling smol v1.2.5
[INFO] [stderr]    Compiling smolscale v0.3.16
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling deadpool v0.9.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling stdcode v0.1.2
[INFO] [stderr]    Compiling melnet v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "9b4752dc0c6abae23f362b335eec98aeccc1caead273597c2c2e81749a6437f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b4752dc0c6abae23f362b335eec98aeccc1caead273597c2c2e81749a6437f0", kill_on_drop: false }`
[INFO] [stdout] 9b4752dc0c6abae23f362b335eec98aeccc1caead273597c2c2e81749a6437f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] a1047cba467affccdbf38a657542c3e0420f338bcb739bb65b043ca659aa24d1
[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" "a1047cba467affccdbf38a657542c3e0420f338bcb739bb65b043ca659aa24d1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling melnet v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.16s
[INFO] running `Command { std: "docker" "inspect" "a1047cba467affccdbf38a657542c3e0420f338bcb739bb65b043ca659aa24d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1047cba467affccdbf38a657542c3e0420f338bcb739bb65b043ca659aa24d1", kill_on_drop: false }`
[INFO] [stdout] a1047cba467affccdbf38a657542c3e0420f338bcb739bb65b043ca659aa24d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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", 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] 389ac5df661637fe1a3acbca42a3a401cd98fb6713468b7e89563de2e62e66b9
[INFO] running `Command { std: "docker" "start" "-a" "389ac5df661637fe1a3acbca42a3a401cd98fb6713468b7e89563de2e62e66b9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/melnet-435034f3a018742c)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mngossip-c418a185b48c2d40)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests melnet
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "389ac5df661637fe1a3acbca42a3a401cd98fb6713468b7e89563de2e62e66b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "389ac5df661637fe1a3acbca42a3a401cd98fb6713468b7e89563de2e62e66b9", kill_on_drop: false }`
[INFO] [stdout] 389ac5df661637fe1a3acbca42a3a401cd98fb6713468b7e89563de2e62e66b9