[INFO] fetching crate gremlin-client 0.8.0...
[INFO] checking gremlin-client-0.8.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate gremlin-client 0.8.0 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate gremlin-client 0.8.0 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 gremlin-client 0.8.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate gremlin-client 0.8.0
[INFO] tweaked toml for crates.io crate gremlin-client 0.8.0 written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] crate crates.io crate gremlin-client 0.8.0 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 }`
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[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded waker-fn v1.1.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] f95c1f1716f034975ceae8c0ce76ab11a3d543e297f2fcd4a99eef415b16d326
[INFO] running `Command { std: "docker" "start" "-a" "f95c1f1716f034975ceae8c0ce76ab11a3d543e297f2fcd4a99eef415b16d326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f95c1f1716f034975ceae8c0ce76ab11a3d543e297f2fcd4a99eef415b16d326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f95c1f1716f034975ceae8c0ce76ab11a3d543e297f2fcd4a99eef415b16d326", kill_on_drop: false }`
[INFO] [stdout] f95c1f1716f034975ceae8c0ce76ab11a3d543e297f2fcd4a99eef415b16d326
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 540d1b9d63e1e7ba29c43a8924ca0925e4466f3ea1feb1047ef11d25472dc9ef
[INFO] running `Command { std: "docker" "start" "-a" "540d1b9d63e1e7ba29c43a8924ca0925e4466f3ea1feb1047ef11d25472dc9ef", 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]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking websocket-base v0.24.0
[INFO] [stderr]     Checking websocket v0.24.0
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking gremlin-client v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/integration_client_v1.rs:44:29
[INFO] [stdout]    |
[INFO] [stdout] 44 |     assert!(result.is_ok(), format!("{:?}", result));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 44 |     assert!(result.is_ok(), "{:?}", result);
[INFO] [stdout]    |                            --            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/integration_client_v1.rs:64:30
[INFO] [stdout]    |
[INFO] [stdout] 64 |     assert!(result.is_err(), format!("{:?}", result));
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 64 |     assert!(result.is_err(), "{:?}", result);
[INFO] [stdout]    |                             --            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/integration_client_v2.rs:44:29
[INFO] [stdout]    |
[INFO] [stdout] 44 |     assert!(result.is_ok(), format!("{:?}", result));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 44 |     assert!(result.is_ok(), "{:?}", result);
[INFO] [stdout]    |                            --            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/integration_client_v2.rs:64:30
[INFO] [stdout]    |
[INFO] [stdout] 64 |     assert!(result.is_err(), format!("{:?}", result));
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 64 |     assert!(result.is_err(), "{:?}", result);
[INFO] [stdout]    |                             --            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/integration_client.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 |     assert!(result.is_ok(), format!("{:?}", result));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 62 |     assert!(result.is_ok(), "{:?}", result);
[INFO] [stdout]    |                            --            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/integration_client.rs:81:30
[INFO] [stdout]    |
[INFO] [stdout] 81 |     assert!(result.is_err(), format!("{:?}", result));
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 81 |     assert!(result.is_err(), "{:?}", result);
[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 17.12s
[INFO] running `Command { std: "docker" "inspect" "540d1b9d63e1e7ba29c43a8924ca0925e4466f3ea1feb1047ef11d25472dc9ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "540d1b9d63e1e7ba29c43a8924ca0925e4466f3ea1feb1047ef11d25472dc9ef", kill_on_drop: false }`
[INFO] [stdout] 540d1b9d63e1e7ba29c43a8924ca0925e4466f3ea1feb1047ef11d25472dc9ef
