[INFO] fetching crate impl_serialize 3.1.4...
[INFO] testing impl_serialize-3.1.4 against 1.90.0 for beta-1.91-3
[INFO] extracting crate impl_serialize 3.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate impl_serialize 3.1.4
[INFO] finished tweaking crates.io crate impl_serialize 3.1.4
[INFO] tweaked toml for crates.io crate impl_serialize 3.1.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate impl_serialize 3.1.4 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unhygienic2 v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55ab6c7299fb5559709060a39aaa9adbb1e47044a3e9e7cea615859480d0fc76
[INFO] running `Command { std: "docker" "start" "-a" "55ab6c7299fb5559709060a39aaa9adbb1e47044a3e9e7cea615859480d0fc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55ab6c7299fb5559709060a39aaa9adbb1e47044a3e9e7cea615859480d0fc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ab6c7299fb5559709060a39aaa9adbb1e47044a3e9e7cea615859480d0fc76", kill_on_drop: false }`
[INFO] [stdout] 55ab6c7299fb5559709060a39aaa9adbb1e47044a3e9e7cea615859480d0fc76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8733428bb6995dcbe53b66387572cfadcbff2e6ef9d04967bcbf9fe221ecf355
[INFO] running `Command { std: "docker" "start" "-a" "8733428bb6995dcbe53b66387572cfadcbff2e6ef9d04967bcbf9fe221ecf355", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling unhygienic2 v0.1.0
[INFO] [stderr]    Compiling impl_serialize v3.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "8733428bb6995dcbe53b66387572cfadcbff2e6ef9d04967bcbf9fe221ecf355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8733428bb6995dcbe53b66387572cfadcbff2e6ef9d04967bcbf9fe221ecf355", kill_on_drop: false }`
[INFO] [stdout] 8733428bb6995dcbe53b66387572cfadcbff2e6ef9d04967bcbf9fe221ecf355
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f43cfbced2235c9b62f9dec9d0b40a5512ecb85bc5b19641061afa1c78c3159
[INFO] running `Command { std: "docker" "start" "-a" "8f43cfbced2235c9b62f9dec9d0b40a5512ecb85bc5b19641061afa1c78c3159", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling impl_serialize v3.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "8f43cfbced2235c9b62f9dec9d0b40a5512ecb85bc5b19641061afa1c78c3159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f43cfbced2235c9b62f9dec9d0b40a5512ecb85bc5b19641061afa1c78c3159", kill_on_drop: false }`
[INFO] [stdout] 8f43cfbced2235c9b62f9dec9d0b40a5512ecb85bc5b19641061afa1c78c3159
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 05c77aaaa53b15d1a844a2910f1f8dab4539f93b9b65d70528e7d81361bbc637
[INFO] running `Command { std: "docker" "start" "-a" "05c77aaaa53b15d1a844a2910f1f8dab4539f93b9b65d70528e7d81361bbc637", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/impl_serialize-ae90769b5d5ffa13)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::general::all ... ok
[INFO] [stdout] test tests::metavariables::more_than_one ... ok
[INFO] [stdout] test tests::metavariables::char ... ok
[INFO] [stdout] test tests::metavariables::all_value_type ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests impl_serialize
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - impl_serialize (line 12) ... ok
[INFO] [stdout] test src/lib.rs - (line 82) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] test src/lib.rs - (line 207) ... ok
[INFO] [stdout] test src/lib.rs - ReadmeDoctests (line 318) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "05c77aaaa53b15d1a844a2910f1f8dab4539f93b9b65d70528e7d81361bbc637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c77aaaa53b15d1a844a2910f1f8dab4539f93b9b65d70528e7d81361bbc637", kill_on_drop: false }`
[INFO] [stdout] 05c77aaaa53b15d1a844a2910f1f8dab4539f93b9b65d70528e7d81361bbc637