[INFO] fetching crate serdo 0.1.9...
[INFO] testing serdo-0.1.9 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate serdo 0.1.9 into /workspace/builds/worker-5-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serdo 0.1.9 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c5d6fcc4ddf0c2eba4cd0d18058546d1db809debe734e6dae8c95bebe0c0944
[INFO] running `Command { std: "docker" "start" "-a" "2c5d6fcc4ddf0c2eba4cd0d18058546d1db809debe734e6dae8c95bebe0c0944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c5d6fcc4ddf0c2eba4cd0d18058546d1db809debe734e6dae8c95bebe0c0944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5d6fcc4ddf0c2eba4cd0d18058546d1db809debe734e6dae8c95bebe0c0944", kill_on_drop: false }`
[INFO] [stdout] 2c5d6fcc4ddf0c2eba4cd0d18058546d1db809debe734e6dae8c95bebe0c0944
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fad810f4db1ac06770b71697791cd285d80b3a36880f68b10c45bec1848ba9c
[INFO] running `Command { std: "docker" "start" "-a" "9fad810f4db1ac06770b71697791cd285d80b3a36880f68b10c45bec1848ba9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling example v1.1.0
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling error-stack v0.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling serdo v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.36s
[INFO] running `Command { std: "docker" "inspect" "9fad810f4db1ac06770b71697791cd285d80b3a36880f68b10c45bec1848ba9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fad810f4db1ac06770b71697791cd285d80b3a36880f68b10c45bec1848ba9c", kill_on_drop: false }`
[INFO] [stdout] 9fad810f4db1ac06770b71697791cd285d80b3a36880f68b10c45bec1848ba9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7213a84eb3feb18d0ec15af0f675655891d1c19b2d3105fc5771eedb14e7e458
[INFO] running `Command { std: "docker" "start" "-a" "7213a84eb3feb18d0ec15af0f675655891d1c19b2d3105fc5771eedb14e7e458", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling serdo v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[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 7.68s
[INFO] running `Command { std: "docker" "inspect" "7213a84eb3feb18d0ec15af0f675655891d1c19b2d3105fc5771eedb14e7e458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7213a84eb3feb18d0ec15af0f675655891d1c19b2d3105fc5771eedb14e7e458", kill_on_drop: false }`
[INFO] [stdout] 7213a84eb3feb18d0ec15af0f675655891d1c19b2d3105fc5771eedb14e7e458
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f6a621521f7cc6f58bd63961aaceec62ecad0170ba0f3464a65cde6d8c6e775
[INFO] running `Command { std: "docker" "start" "-a" "2f6a621521f7cc6f58bd63961aaceec62ecad0170ba0f3464a65cde6d8c6e775", 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 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serdo-6a551a17d693d96c)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test cmd::tests::do_action ... ok
[INFO] [stdout] test undo_store::tests::can_undo_redo_in_memory_store ... ok
[INFO] [stdout] test undo_store::tests::undo_and_add_cmd ... ok
[INFO] [stdout] test undo_store::tests::can_undo_in_memory_store ... 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] [stderr]    Doc-tests serdo
[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" "2f6a621521f7cc6f58bd63961aaceec62ecad0170ba0f3464a65cde6d8c6e775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6a621521f7cc6f58bd63961aaceec62ecad0170ba0f3464a65cde6d8c6e775", kill_on_drop: false }`
[INFO] [stdout] 2f6a621521f7cc6f58bd63961aaceec62ecad0170ba0f3464a65cde6d8c6e775
