[INFO] fetching crate natsclient 0.0.7...
[INFO] testing natsclient-0.0.7 against 1.59.0 for beta-1.60-1
[INFO] extracting crate natsclient 0.0.7 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate natsclient 0.0.7 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 natsclient 0.0.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate natsclient 0.0.7
[INFO] tweaked toml for crates.io crate natsclient 0.0.7 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate crates.io crate natsclient 0.0.7 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] [stdout] 83e042c7bd1c0214cd4d63fb8fcf43e6e377bb3025ee8a30f840dacd3b036cab
[INFO] running `Command { std: "docker" "start" "-a" "83e042c7bd1c0214cd4d63fb8fcf43e6e377bb3025ee8a30f840dacd3b036cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83e042c7bd1c0214cd4d63fb8fcf43e6e377bb3025ee8a30f840dacd3b036cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e042c7bd1c0214cd4d63fb8fcf43e6e377bb3025ee8a30f840dacd3b036cab", kill_on_drop: false }`
[INFO] [stdout] 83e042c7bd1c0214cd4d63fb8fcf43e6e377bb3025ee8a30f840dacd3b036cab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] e6f72aba97bc77da0cb032bd468ad6bbef8339dfcb69f88ad1ee4aa4dc2a9fea
[INFO] running `Command { std: "docker" "start" "-a" "e6f72aba97bc77da0cb032bd468ad6bbef8339dfcb69f88ad1ee4aa4dc2a9fea", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling log v0.4.10
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling data-encoding v2.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling block-padding v0.1.4
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[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling subtle-encoding v0.4.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling thread_local v1.0.1
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[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling signature v1.0.0-pre.1
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]    Compiling ed25519 v1.0.0-pre.1
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling signatory v0.18.1
[INFO] [stderr]    Compiling regex v1.3.5
[INFO] [stderr]    Compiling nuid v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]    Compiling signatory-dalek v0.18.1
[INFO] [stderr]    Compiling nkeys v0.0.9
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling nats-types v0.1.8
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling natsclient v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:167:56
[INFO] [stdout]     |
[INFO] [stdout] 167 |             Some(ref desc) => write!(f, "{}: {}", self.description(), desc),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:168:42
[INFO] [stdout]     |
[INFO] [stdout] 168 |             None => write!(f, "{}", self.description()),
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.99s
[INFO] running `Command { std: "docker" "inspect" "e6f72aba97bc77da0cb032bd468ad6bbef8339dfcb69f88ad1ee4aa4dc2a9fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6f72aba97bc77da0cb032bd468ad6bbef8339dfcb69f88ad1ee4aa4dc2a9fea", kill_on_drop: false }`
[INFO] [stdout] e6f72aba97bc77da0cb032bd468ad6bbef8339dfcb69f88ad1ee4aa4dc2a9fea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 92b4c5766fe0b8f981c63e2b796d5c8dac8e10723ff571ee0e5c5a2a091a0263
[INFO] running `Command { std: "docker" "start" "-a" "92b4c5766fe0b8f981c63e2b796d5c8dac8e10723ff571ee0e5c5a2a091a0263", kill_on_drop: false }`
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:167:56
[INFO] [stdout]     |
[INFO] [stdout] 167 |             Some(ref desc) => write!(f, "{}: {}", self.description(), desc),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:168:42
[INFO] [stdout]     |
[INFO] [stdout] 168 |             None => write!(f, "{}", self.description()),
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling natsclient v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:167:56
[INFO] [stdout]     |
[INFO] [stdout] 167 |             Some(ref desc) => write!(f, "{}: {}", self.description(), desc),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:168:42
[INFO] [stdout]     |
[INFO] [stdout] 168 |             None => write!(f, "{}", self.description()),
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "92b4c5766fe0b8f981c63e2b796d5c8dac8e10723ff571ee0e5c5a2a091a0263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b4c5766fe0b8f981c63e2b796d5c8dac8e10723ff571ee0e5c5a2a091a0263", kill_on_drop: false }`
[INFO] [stdout] 92b4c5766fe0b8f981c63e2b796d5c8dac8e10723ff571ee0e5c5a2a091a0263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] [stdout] a9559bf7ed5dde0b25673295b6f4e35e1faae0c70c437ef8dbf75af7005481b8
[INFO] running `Command { std: "docker" "start" "-a" "a9559bf7ed5dde0b25673295b6f4e35e1faae0c70c437ef8dbf75af7005481b8", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:167:56
[INFO] [stderr]     |
[INFO] [stderr] 167 |             Some(ref desc) => write!(f, "{}: {}", self.description(), desc),
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:168:42
[INFO] [stderr]     |
[INFO] [stderr] 168 |             None => write!(f, "{}", self.description()),
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `natsclient` (lib) generated 2 warnings
[INFO] [stderr] warning: `natsclient` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/natsclient-19298e40eb4227da)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test subs::tests::add_subscription_sends_sub_message ... ok
[INFO] [stdout] test subs::tests::remove_subscription_sends_unsub_message ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::credsfile_parses ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests natsclient
[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" "a9559bf7ed5dde0b25673295b6f4e35e1faae0c70c437ef8dbf75af7005481b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9559bf7ed5dde0b25673295b6f4e35e1faae0c70c437ef8dbf75af7005481b8", kill_on_drop: false }`
[INFO] [stdout] a9559bf7ed5dde0b25673295b6f4e35e1faae0c70c437ef8dbf75af7005481b8