[INFO] fetching crate serdo 0.1.9...
[INFO] testing serdo-0.1.9 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate serdo 0.1.9 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate serdo 0.1.9
[INFO] finished tweaking crates.io crate serdo 0.1.9
[INFO] tweaked toml for crates.io crate serdo 0.1.9 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serdo 0.1.9 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serdo 0.1.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.115
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.115
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.115
[INFO] [stderr]   Downloaded js-sys v0.3.92
[INFO] [stderr]   Downloaded example v1.1.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.115
[INFO] [stderr]   Downloaded error-stack v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e27aeb0dc172e34dd5c1dbb91835e9a2aa4ac8f170b4267ae9ffa6587655a119
[INFO] running `Command { std: "docker" "start" "e27aeb0dc172e34dd5c1dbb91835e9a2aa4ac8f170b4267ae9ffa6587655a119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e27aeb0dc172e34dd5c1dbb91835e9a2aa4ac8f170b4267ae9ffa6587655a119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e27aeb0dc172e34dd5c1dbb91835e9a2aa4ac8f170b4267ae9ffa6587655a119" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e27aeb0dc172e34dd5c1dbb91835e9a2aa4ac8f170b4267ae9ffa6587655a119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e27aeb0dc172e34dd5c1dbb91835e9a2aa4ac8f170b4267ae9ffa6587655a119" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling example v1.1.0
[INFO] [stderr]    Compiling error-stack v0.7.0
[INFO] [stderr]    Compiling serdo v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "e27aeb0dc172e34dd5c1dbb91835e9a2aa4ac8f170b4267ae9ffa6587655a119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e27aeb0dc172e34dd5c1dbb91835e9a2aa4ac8f170b4267ae9ffa6587655a119" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling serdo v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stdout] warning: variant `Sub` is never constructed
[INFO] [stdout]     --> src/undo_store.rs:1373:19
[INFO] [stdout]      |
[INFO] [stdout] 1372 |     enum SumCmd {
[INFO] [stdout]      |          ------ variant in this enum
[INFO] [stdout] 1373 |         Add(i32), Sub(i32),
[INFO] [stdout]      |                   ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sub` is never used
[INFO] [stdout]     --> src/undo_store.rs:1406:12
[INFO] [stdout]      |
[INFO] [stdout] 1403 |     trait Model {
[INFO] [stdout]      |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 1406 |         fn sub(&mut self, to_sub: i32) -> Self::Resp;
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `Command { std: "docker" "inspect" "e27aeb0dc172e34dd5c1dbb91835e9a2aa4ac8f170b4267ae9ffa6587655a119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e27aeb0dc172e34dd5c1dbb91835e9a2aa4ac8f170b4267ae9ffa6587655a119" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: variant `Sub` is never constructed
[INFO] [stderr]     --> src/undo_store.rs:1373:19
[INFO] [stderr]      |
[INFO] [stderr] 1372 |     enum SumCmd {
[INFO] [stderr]      |          ------ variant in this enum
[INFO] [stderr] 1373 |         Add(i32), Sub(i32),
[INFO] [stderr]      |                   ^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `sub` is never used
[INFO] [stderr]     --> src/undo_store.rs:1406:12
[INFO] [stderr]      |
[INFO] [stderr] 1403 |     trait Model {
[INFO] [stderr]      |           ----- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 1406 |         fn sub(&mut self, to_sub: i32) -> Self::Resp;
[INFO] [stderr]      |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `serdo` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serdo-be9d182b7be3bd48)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test undo_store::tests::can_undo_in_memory_store ... ok
[INFO] [stdout] test undo_store::tests::can_undo_redo_in_memory_store ... ok
[INFO] [stderr]    Doc-tests serdo
[INFO] [stdout] test undo_store::tests::undo_and_add_cmd ... ok
[INFO] [stdout] test cmd::tests::do_action ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "e27aeb0dc172e34dd5c1dbb91835e9a2aa4ac8f170b4267ae9ffa6587655a119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27aeb0dc172e34dd5c1dbb91835e9a2aa4ac8f170b4267ae9ffa6587655a119", kill_on_drop: false }`
[INFO] [stdout] e27aeb0dc172e34dd5c1dbb91835e9a2aa4ac8f170b4267ae9ffa6587655a119
