[INFO] fetching crate serde_path_serializer 1.0.0...
[INFO] testing serde_path_serializer-1.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate serde_path_serializer 1.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate serde_path_serializer 1.0.0
[INFO] finished tweaking crates.io crate serde_path_serializer 1.0.0
[INFO] tweaked toml for crates.io crate serde_path_serializer 1.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_path_serializer 1.0.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c4d824c1025ce2821702a4155fdfc6c7b7f8a6252717288274bb449469004eff
[INFO] running `Command { std: "docker" "start" "-a" "c4d824c1025ce2821702a4155fdfc6c7b7f8a6252717288274bb449469004eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4d824c1025ce2821702a4155fdfc6c7b7f8a6252717288274bb449469004eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d824c1025ce2821702a4155fdfc6c7b7f8a6252717288274bb449469004eff", kill_on_drop: false }`
[INFO] [stdout] c4d824c1025ce2821702a4155fdfc6c7b7f8a6252717288274bb449469004eff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 28d5d9329a4547724f2911ceba69cb036f54ee91361a25569e7611d9cf9b8c7b
[INFO] running `Command { std: "docker" "start" "-a" "28d5d9329a4547724f2911ceba69cb036f54ee91361a25569e7611d9cf9b8c7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_path_serializer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "28d5d9329a4547724f2911ceba69cb036f54ee91361a25569e7611d9cf9b8c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d5d9329a4547724f2911ceba69cb036f54ee91361a25569e7611d9cf9b8c7b", kill_on_drop: false }`
[INFO] [stdout] 28d5d9329a4547724f2911ceba69cb036f54ee91361a25569e7611d9cf9b8c7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] dd438a354f64b17364a22059ca41cfb8c892927ae78bd900fe3fc1c96fa54383
[INFO] running `Command { std: "docker" "start" "-a" "dd438a354f64b17364a22059ca41cfb8c892927ae78bd900fe3fc1c96fa54383", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_path_serializer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "dd438a354f64b17364a22059ca41cfb8c892927ae78bd900fe3fc1c96fa54383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd438a354f64b17364a22059ca41cfb8c892927ae78bd900fe3fc1c96fa54383", kill_on_drop: false }`
[INFO] [stdout] dd438a354f64b17364a22059ca41cfb8c892927ae78bd900fe3fc1c96fa54383
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4f7e9d2f76a577ff2bd052c6f2d1fa367420d4e44f12067b4cee3839871887e5
[INFO] running `Command { std: "docker" "start" "-a" "4f7e9d2f76a577ff2bd052c6f2d1fa367420d4e44f12067b4cee3839871887e5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_path_serializer-0eb93bfda64ebd52)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_path_serializer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - serialize_path (line 9) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - serialize_path (line 9) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serde_path`
[INFO] [stdout]  --> src/lib.rs:12:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_path::serialize_path;
[INFO] [stdout]   |     ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_path`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `serde_path`, use `cargo add serde_path` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]  --> src/lib.rs:16:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | let serialized = serde_json::to_string(&path).unwrap();
[INFO] [stdout]   |                  ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - serialize_path (line 9)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4f7e9d2f76a577ff2bd052c6f2d1fa367420d4e44f12067b4cee3839871887e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7e9d2f76a577ff2bd052c6f2d1fa367420d4e44f12067b4cee3839871887e5", kill_on_drop: false }`
[INFO] [stdout] 4f7e9d2f76a577ff2bd052c6f2d1fa367420d4e44f12067b4cee3839871887e5