[INFO] fetching crate serde-helpers 0.1.0... [INFO] testing serde-helpers-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate serde-helpers 0.1.0 into /workspace/builds/worker-43/source [INFO] validating manifest of crates.io crate serde-helpers 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-43/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a86ceecb494f8e20f1e6e6bc1626ce1e6973c09e5dae50a921e5336ef81d6536 [INFO] running `Command { std: "docker" "start" "-a" "a86ceecb494f8e20f1e6e6bc1626ce1e6973c09e5dae50a921e5336ef81d6536", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a86ceecb494f8e20f1e6e6bc1626ce1e6973c09e5dae50a921e5336ef81d6536", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a86ceecb494f8e20f1e6e6bc1626ce1e6973c09e5dae50a921e5336ef81d6536", kill_on_drop: false }` [INFO] [stdout] a86ceecb494f8e20f1e6e6bc1626ce1e6973c09e5dae50a921e5336ef81d6536 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bb6cb72a6ef953cb177a5ecb17fae2b57b48d6028f27c0ebe6b7321ca63fa669 [INFO] running `Command { std: "docker" "start" "-a" "bb6cb72a6ef953cb177a5ecb17fae2b57b48d6028f27c0ebe6b7321ca63fa669", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Compiling linked-hash-map v0.5.4 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling dtoa 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 15.67s [INFO] running `Command { std: "docker" "inspect" "bb6cb72a6ef953cb177a5ecb17fae2b57b48d6028f27c0ebe6b7321ca63fa669", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb6cb72a6ef953cb177a5ecb17fae2b57b48d6028f27c0ebe6b7321ca63fa669", kill_on_drop: false }` [INFO] [stdout] bb6cb72a6ef953cb177a5ecb17fae2b57b48d6028f27c0ebe6b7321ca63fa669 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f1837ddf7aa7f2a2855ce0d461f4264be6aaf85160a048c1513483bbd737c4f2 [INFO] running `Command { std: "docker" "start" "-a" "f1837ddf7aa7f2a2855ce0d461f4264be6aaf85160a048c1513483bbd737c4f2", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] running `Command { std: "docker" "inspect" "f1837ddf7aa7f2a2855ce0d461f4264be6aaf85160a048c1513483bbd737c4f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1837ddf7aa7f2a2855ce0d461f4264be6aaf85160a048c1513483bbd737c4f2", kill_on_drop: false }` [INFO] [stdout] f1837ddf7aa7f2a2855ce0d461f4264be6aaf85160a048c1513483bbd737c4f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9edcb9916e40e0461fdc4092e9f2ae02eb35c954092833f03ef4212fccacab9c [INFO] running `Command { std: "docker" "start" "-a" "9edcb9916e40e0461fdc4092e9f2ae02eb35c954092833f03ef4212fccacab9c", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] running `Command { std: "docker" "inspect" "9edcb9916e40e0461fdc4092e9f2ae02eb35c954092833f03ef4212fccacab9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9edcb9916e40e0461fdc4092e9f2ae02eb35c954092833f03ef4212fccacab9c", kill_on_drop: false }` [INFO] [stdout] 9edcb9916e40e0461fdc4092e9f2ae02eb35c954092833f03ef4212fccacab9c