[INFO] fetching crate melnet 0.1.10...
[INFO] testing melnet-0.1.10 against 1.55.0 for beta-1.56-1
[INFO] extracting crate melnet 0.1.10 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate melnet 0.1.10 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate melnet 0.1.10
[INFO] finished tweaking crates.io crate melnet 0.1.10
[INFO] tweaked toml for crates.io crate melnet 0.1.10 written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate crates.io crate melnet 0.1.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.60
[INFO] [stderr]   Downloaded deadpool v0.8.2
[INFO] [stderr]   Downloaded min-max-heap v1.3.0
[INFO] [stderr]   Downloaded spin v0.9.1
[INFO] [stderr]   Downloaded object v0.25.3
[INFO] [stderr]   Downloaded by_address v1.0.4
[INFO] [stderr]   Downloaded smolscale v0.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89d6820fa427be0443725ccce4c5ca1bbceec7f3c2570573532708e03852dde8
[INFO] running `Command { std: "docker" "start" "-a" "89d6820fa427be0443725ccce4c5ca1bbceec7f3c2570573532708e03852dde8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89d6820fa427be0443725ccce4c5ca1bbceec7f3c2570573532708e03852dde8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d6820fa427be0443725ccce4c5ca1bbceec7f3c2570573532708e03852dde8", kill_on_drop: false }`
[INFO] [stdout] 89d6820fa427be0443725ccce4c5ca1bbceec7f3c2570573532708e03852dde8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 751f30620b4c94cb0f0aa0afcf5c92a6c2a09db33a5be89afdd225628c5f9067
[INFO] running `Command { std: "docker" "start" "-a" "751f30620b4c94cb0f0aa0afcf5c92a6c2a09db33a5be89afdd225628c5f9067", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling cache-padded v1.1.1
[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 waker-fn v1.1.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling futures-micro v0.3.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling spin v0.9.1
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling min-max-heap v1.3.0
[INFO] [stderr]    Compiling by_address v1.0.4
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling rtrb v0.1.4
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling async-oneshot v0.4.2
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling async-io v1.4.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling async-fs v1.5.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling futures-intrusive v0.4.0
[INFO] [stderr]    Compiling rand v0.8.4
[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 async-trait v0.1.51
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling smolscale v0.3.9
[INFO] [stderr]    Compiling smol v1.2.5
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling deadpool v0.8.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling stdcode v0.1.2
[INFO] [stderr]    Compiling melnet v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `Command { std: "docker" "inspect" "751f30620b4c94cb0f0aa0afcf5c92a6c2a09db33a5be89afdd225628c5f9067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "751f30620b4c94cb0f0aa0afcf5c92a6c2a09db33a5be89afdd225628c5f9067", kill_on_drop: false }`
[INFO] [stdout] 751f30620b4c94cb0f0aa0afcf5c92a6c2a09db33a5be89afdd225628c5f9067
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbbd6cb0011a255c3347fe3d4513ea2dbe3410bb81493bec70d221cd1d9cdbe2
[INFO] running `Command { std: "docker" "start" "-a" "cbbd6cb0011a255c3347fe3d4513ea2dbe3410bb81493bec70d221cd1d9cdbe2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling melnet v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.36s
[INFO] running `Command { std: "docker" "inspect" "cbbd6cb0011a255c3347fe3d4513ea2dbe3410bb81493bec70d221cd1d9cdbe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbbd6cb0011a255c3347fe3d4513ea2dbe3410bb81493bec70d221cd1d9cdbe2", kill_on_drop: false }`
[INFO] [stdout] cbbd6cb0011a255c3347fe3d4513ea2dbe3410bb81493bec70d221cd1d9cdbe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8500d131e42eceae91d5f0dcc2152c26a7fa28a1af53eef56b169e576e394247
[INFO] running `Command { std: "docker" "start" "-a" "8500d131e42eceae91d5f0dcc2152c26a7fa28a1af53eef56b169e576e394247", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/melnet-d285a8a2ab458946)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mngossip-b72f1bb7c911d4bc)
[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" "8500d131e42eceae91d5f0dcc2152c26a7fa28a1af53eef56b169e576e394247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8500d131e42eceae91d5f0dcc2152c26a7fa28a1af53eef56b169e576e394247", kill_on_drop: false }`
[INFO] [stdout] 8500d131e42eceae91d5f0dcc2152c26a7fa28a1af53eef56b169e576e394247