[INFO] fetching crate serde-helpers 0.1.0... [INFO] testing serde-helpers-0.1.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate serde-helpers 0.1.0 into /workspace/builds/worker-30/source [INFO] validating manifest of crates.io crate serde-helpers 0.1.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate serde-helpers 0.1.0 [INFO] finished tweaking crates.io crate serde-helpers 0.1.0 [INFO] tweaked toml for crates.io crate serde-helpers 0.1.0 written to /workspace/builds/worker-30/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d3a9241c5cc665d32a96649af06b8b4c05020827eae24ba56d4b4727ff6cc511 [INFO] running `Command { std: "docker" "start" "-a" "d3a9241c5cc665d32a96649af06b8b4c05020827eae24ba56d4b4727ff6cc511", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3a9241c5cc665d32a96649af06b8b4c05020827eae24ba56d4b4727ff6cc511", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3a9241c5cc665d32a96649af06b8b4c05020827eae24ba56d4b4727ff6cc511", kill_on_drop: false }` [INFO] [stdout] d3a9241c5cc665d32a96649af06b8b4c05020827eae24ba56d4b4727ff6cc511 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f38054e1c1dc205a44c1fa2a82984a92af813eeda99437e6d5e89258b23a8f8 [INFO] running `Command { std: "docker" "start" "-a" "2f38054e1c1dc205a44c1fa2a82984a92af813eeda99437e6d5e89258b23a8f8", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling linked-hash-map v0.5.4 [INFO] [stderr] Compiling serde_json v1.0.67 [INFO] [stderr] Compiling dtoa v0.4.8 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling yaml-rust v0.4.5 [INFO] [stderr] Compiling serde_yaml v0.7.5 [INFO] [stderr] Compiling serde-helpers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:24:23 [INFO] [stdout] | [INFO] [stdout] 24 | cause: Option>, [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:56:32 [INFO] [stdout] | [INFO] [stdout] 56 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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:31:30 [INFO] [stdout] | [INFO] [stdout] 31 | description: err.description().to_string(), [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:40:30 [INFO] [stdout] | [INFO] [stdout] 40 | description: err.description().to_string(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.38s [INFO] running `Command { std: "docker" "inspect" "2f38054e1c1dc205a44c1fa2a82984a92af813eeda99437e6d5e89258b23a8f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f38054e1c1dc205a44c1fa2a82984a92af813eeda99437e6d5e89258b23a8f8", kill_on_drop: false }` [INFO] [stdout] 2f38054e1c1dc205a44c1fa2a82984a92af813eeda99437e6d5e89258b23a8f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 87046e135297d153e81bfe842c0ed912160e8ec23c644f49b8da902e80c159d8 [INFO] running `Command { std: "docker" "start" "-a" "87046e135297d153e81bfe842c0ed912160e8ec23c644f49b8da902e80c159d8", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] running `Command { std: "docker" "inspect" "87046e135297d153e81bfe842c0ed912160e8ec23c644f49b8da902e80c159d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87046e135297d153e81bfe842c0ed912160e8ec23c644f49b8da902e80c159d8", kill_on_drop: false }` [INFO] [stdout] 87046e135297d153e81bfe842c0ed912160e8ec23c644f49b8da902e80c159d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2fb3a62de4f9f94bd01c407a629bd6be71f5232b8728ca755b163bf64f97436a [INFO] running `Command { std: "docker" "start" "-a" "2fb3a62de4f9f94bd01c407a629bd6be71f5232b8728ca755b163bf64f97436a", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] running `Command { std: "docker" "inspect" "2fb3a62de4f9f94bd01c407a629bd6be71f5232b8728ca755b163bf64f97436a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fb3a62de4f9f94bd01c407a629bd6be71f5232b8728ca755b163bf64f97436a", kill_on_drop: false }` [INFO] [stdout] 2fb3a62de4f9f94bd01c407a629bd6be71f5232b8728ca755b163bf64f97436a