[INFO] fetching crate netsim-embed 0.5.2...
[INFO] testing netsim-embed-0.5.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate netsim-embed 0.5.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate netsim-embed 0.5.2 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 netsim-embed 0.5.2
[INFO] finished tweaking crates.io crate netsim-embed 0.5.2
[INFO] tweaked toml for crates.io crate netsim-embed 0.5.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate netsim-embed 0.5.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 63d593c594f39e391c5f4c7cd32222d3455b718ed42e72e51def3a8261bb2f5e
[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" "63d593c594f39e391c5f4c7cd32222d3455b718ed42e72e51def3a8261bb2f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63d593c594f39e391c5f4c7cd32222d3455b718ed42e72e51def3a8261bb2f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d593c594f39e391c5f4c7cd32222d3455b718ed42e72e51def3a8261bb2f5e", kill_on_drop: false }`
[INFO] [stdout] 63d593c594f39e391c5f4c7cd32222d3455b718ed42e72e51def3a8261bb2f5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a15fb4d8c10eb35f060d8a5160d7a33fce04ca990e85ce9bf1d5ef2697ba2fe5
[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" "a15fb4d8c10eb35f060d8a5160d7a33fce04ca990e85ce9bf1d5ef2697ba2fe5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling libpacket-core v0.1.0
[INFO] [stderr]    Compiling signal-hook v0.3.7
[INFO] [stderr]    Compiling ioctl-sys v0.7.1
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling libpacket-derive v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling polling v2.0.3
[INFO] [stderr]    Compiling async-io v1.4.1
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-process v1.1.0
[INFO] [stderr]    Compiling libpacket v0.1.0
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling netsim-embed-core v0.4.1
[INFO] [stderr]    Compiling netsim-embed-machine v0.4.3
[INFO] [stderr]    Compiling netsim-embed-nat v0.4.1
[INFO] [stderr]    Compiling netsim-embed-router v0.4.2
[INFO] [stderr]    Compiling netsim-embed v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.72s
[INFO] running `Command { std: "docker" "inspect" "a15fb4d8c10eb35f060d8a5160d7a33fce04ca990e85ce9bf1d5ef2697ba2fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a15fb4d8c10eb35f060d8a5160d7a33fce04ca990e85ce9bf1d5ef2697ba2fe5", kill_on_drop: false }`
[INFO] [stdout] a15fb4d8c10eb35f060d8a5160d7a33fce04ca990e85ce9bf1d5ef2697ba2fe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0830f6d2bd5659e2eec9a738e8fa642fdc621ee62975b9d048a27c3086a016e3
[INFO] running `Command { std: "docker" "start" "-a" "0830f6d2bd5659e2eec9a738e8fa642fdc621ee62975b9d048a27c3086a016e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling udp-socket v0.1.1
[INFO] [stderr]    Compiling if-watch v0.2.2
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling async-std v1.9.0
[INFO] [stderr]    Compiling netsim-embed v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `netsim_embed_cli`
[INFO] [stdout]  --> examples/iperf_server.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use netsim_embed_cli::{run_server, Server};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of undeclared crate or module `netsim_embed_cli`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `netsim_embed_cli`
[INFO] [stdout]  --> examples/iperf_client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use netsim_embed_cli::{run_client, Client};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of undeclared crate or module `netsim_embed_cli`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `netsim_embed_cli`
[INFO] [stdout]  --> examples/broadcast_server.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use netsim_embed_cli::{run_server, Server};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of undeclared crate or module `netsim_embed_cli`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[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 E0432`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `netsim_embed_cli`
[INFO] [stdout]  --> examples/udp_gso_client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use netsim_embed_cli::{run_client, Client};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of undeclared crate or module `netsim_embed_cli`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `netsim-embed` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `netsim_embed_cli`
[INFO] [stdout]  --> examples/udp_client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use netsim_embed_cli::{run_client, Client};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of undeclared crate or module `netsim_embed_cli`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `netsim_embed_cli`
[INFO] [stdout]  --> examples/tcp_server.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use netsim_embed_cli::{run_server, Server};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of undeclared crate or module `netsim_embed_cli`
[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 E0432`.
[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 E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `netsim_embed_cli`
[INFO] [stdout]  --> examples/tcp_client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use netsim_embed_cli::{run_client, Client};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of undeclared crate or module `netsim_embed_cli`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `netsim_embed_cli`
[INFO] [stdout]  --> examples/udp_server.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use netsim_embed_cli::{run_server, Server};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of undeclared crate or module `netsim_embed_cli`
[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 E0432`.
[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 E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `netsim_embed_cli`
[INFO] [stdout]  --> examples/broadcast_client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use netsim_embed_cli::{run_client, Client};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of undeclared crate or module `netsim_embed_cli`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `netsim_embed_cli`
[INFO] [stdout]  --> examples/udp_gso_server.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use netsim_embed_cli::{run_server, Server};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of undeclared crate or module `netsim_embed_cli`
[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 E0432`.
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0830f6d2bd5659e2eec9a738e8fa642fdc621ee62975b9d048a27c3086a016e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0830f6d2bd5659e2eec9a738e8fa642fdc621ee62975b9d048a27c3086a016e3", kill_on_drop: false }`
[INFO] [stdout] 0830f6d2bd5659e2eec9a738e8fa642fdc621ee62975b9d048a27c3086a016e3