[INFO] fetching crate impl_serde_serialize_error 1.0.4...
[INFO] testing impl_serde_serialize_error-1.0.4 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate impl_serde_serialize_error 1.0.4 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate impl_serde_serialize_error 1.0.4
[INFO] finished tweaking crates.io crate impl_serde_serialize_error 1.0.4
[INFO] tweaked toml for crates.io crate impl_serde_serialize_error 1.0.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate impl_serde_serialize_error 1.0.4 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c45062422dded57d8939fbfd21b06d387c4c09594b54defcbf8800da10a013ea
[INFO] running `Command { std: "docker" "start" "-a" "c45062422dded57d8939fbfd21b06d387c4c09594b54defcbf8800da10a013ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c45062422dded57d8939fbfd21b06d387c4c09594b54defcbf8800da10a013ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45062422dded57d8939fbfd21b06d387c4c09594b54defcbf8800da10a013ea", kill_on_drop: false }`
[INFO] [stdout] c45062422dded57d8939fbfd21b06d387c4c09594b54defcbf8800da10a013ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48775ef72cfb7288e1de1bb62cbe63444365db440f2c64e5ba0350e54b9dde27
[INFO] running `Command { std: "docker" "start" "-a" "48775ef72cfb7288e1de1bb62cbe63444365db440f2c64e5ba0350e54b9dde27", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling impl_serde_serialize_error v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "48775ef72cfb7288e1de1bb62cbe63444365db440f2c64e5ba0350e54b9dde27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48775ef72cfb7288e1de1bb62cbe63444365db440f2c64e5ba0350e54b9dde27", kill_on_drop: false }`
[INFO] [stdout] 48775ef72cfb7288e1de1bb62cbe63444365db440f2c64e5ba0350e54b9dde27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d66bab1af9fe1069456b88e7b8e85a764c5bd4672df71a7730bb36ed40998e96
[INFO] running `Command { std: "docker" "start" "-a" "d66bab1af9fe1069456b88e7b8e85a764c5bd4672df71a7730bb36ed40998e96", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling impl_serde_serialize_error v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `SerializationError` is never used
[INFO] [stdout]    --> src/lib.rs:251:10
[INFO] [stdout]     |
[INFO] [stdout] 251 |     enum SerializationError {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MySerializer` is never constructed
[INFO] [stdout]    --> src/lib.rs:268:16
[INFO] [stdout]     |
[INFO] [stdout] 268 |         struct MySerializer;
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.37s
[INFO] running `Command { std: "docker" "inspect" "d66bab1af9fe1069456b88e7b8e85a764c5bd4672df71a7730bb36ed40998e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d66bab1af9fe1069456b88e7b8e85a764c5bd4672df71a7730bb36ed40998e96", kill_on_drop: false }`
[INFO] [stdout] d66bab1af9fe1069456b88e7b8e85a764c5bd4672df71a7730bb36ed40998e96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b914b463d9a853ebbc519bd2dde2b1835a8962ff47b205ee58a3e6feb7a38f2
[INFO] running `Command { std: "docker" "start" "-a" "9b914b463d9a853ebbc519bd2dde2b1835a8962ff47b205ee58a3e6feb7a38f2", kill_on_drop: false }`
[INFO] [stderr] warning: enum `SerializationError` is never used
[INFO] [stderr]    --> src/lib.rs:251:10
[INFO] [stderr]     |
[INFO] [stderr] 251 |     enum SerializationError {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MySerializer` is never constructed
[INFO] [stderr]    --> src/lib.rs:268:16
[INFO] [stderr]     |
[INFO] [stderr] 268 |         struct MySerializer;
[INFO] [stderr]     |                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `impl_serde_serialize_error` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/impl_serde_serialize_error-430b8f99cd92c134)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::all_errors ... 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 impl_serde_serialize_error
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - impl_serde_serialize_error (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b914b463d9a853ebbc519bd2dde2b1835a8962ff47b205ee58a3e6feb7a38f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b914b463d9a853ebbc519bd2dde2b1835a8962ff47b205ee58a3e6feb7a38f2", kill_on_drop: false }`
[INFO] [stdout] 9b914b463d9a853ebbc519bd2dde2b1835a8962ff47b205ee58a3e6feb7a38f2