[INFO] fetching crate netconf-rs 0.2.4...
[INFO] testing netconf-rs-0.2.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate netconf-rs 0.2.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate netconf-rs 0.2.4 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] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking crates.io crate netconf-rs 0.2.4
[INFO] finished tweaking crates.io crate netconf-rs 0.2.4
[INFO] tweaked toml for crates.io crate netconf-rs 0.2.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate netconf-rs 0.2.4 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 617defd0286a71ec3b14383e536678031cfadafc2781960f485ef359f3762663
[INFO] running `Command { std: "docker" "start" "-a" "617defd0286a71ec3b14383e536678031cfadafc2781960f485ef359f3762663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "617defd0286a71ec3b14383e536678031cfadafc2781960f485ef359f3762663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617defd0286a71ec3b14383e536678031cfadafc2781960f485ef359f3762663", kill_on_drop: false }`
[INFO] [stdout] 617defd0286a71ec3b14383e536678031cfadafc2781960f485ef359f3762663
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d7c0166177734a31a5989ee3a1b25dc0439d75430c43258cc292684865ff97bf
[INFO] running `Command { std: "docker" "start" "-a" "d7c0166177734a31a5989ee3a1b25dc0439d75430c43258cc292684865ff97bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling memmem v0.1.1
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.18
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling ssh2 v0.8.2
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling serde-xml-rs v0.4.0
[INFO] [stderr]    Compiling netconf-rs v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `session`
[INFO] [stdout]   --> src/transport/ssh.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     session: Session,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.81s
[INFO] running `Command { std: "docker" "inspect" "d7c0166177734a31a5989ee3a1b25dc0439d75430c43258cc292684865ff97bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7c0166177734a31a5989ee3a1b25dc0439d75430c43258cc292684865ff97bf", kill_on_drop: false }`
[INFO] [stdout] d7c0166177734a31a5989ee3a1b25dc0439d75430c43258cc292684865ff97bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b6adf1dba69163647034a5e96dfd994e44a2b12d7ef727d411d75fa74b97877c
[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" "b6adf1dba69163647034a5e96dfd994e44a2b12d7ef727d411d75fa74b97877c", kill_on_drop: false }`
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stdout] warning: field is never read: `session`
[INFO] [stdout]   --> src/transport/ssh.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     session: Session,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling netconf-rs v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `session`
[INFO] [stdout]   --> src/transport/ssh.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     session: Session,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.95s
[INFO] running `Command { std: "docker" "inspect" "b6adf1dba69163647034a5e96dfd994e44a2b12d7ef727d411d75fa74b97877c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6adf1dba69163647034a5e96dfd994e44a2b12d7ef727d411d75fa74b97877c", kill_on_drop: false }`
[INFO] [stdout] b6adf1dba69163647034a5e96dfd994e44a2b12d7ef727d411d75fa74b97877c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 157c9a36a666ff47b072390ec7f3b108834efb5e6940fcc2c9d8c012b8ebfec3
[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" "157c9a36a666ff47b072390ec7f3b108834efb5e6940fcc2c9d8c012b8ebfec3", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `session`
[INFO] [stderr]   --> src/transport/ssh.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     session: Session,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `netconf-rs` (lib) generated 1 warning
[INFO] [stderr] warning: `netconf-rs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/netconf_rs-d2e047f8f2e4d104)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test vendor::h3c::reply::tests::parse_mac_table ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests netconf-rs
[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" "157c9a36a666ff47b072390ec7f3b108834efb5e6940fcc2c9d8c012b8ebfec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "157c9a36a666ff47b072390ec7f3b108834efb5e6940fcc2c9d8c012b8ebfec3", kill_on_drop: false }`
[INFO] [stdout] 157c9a36a666ff47b072390ec7f3b108834efb5e6940fcc2c9d8c012b8ebfec3