[INFO] fetching crate seesaw-viz 0.1.0...
[INFO] testing seesaw-viz-0.1.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate seesaw-viz 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate seesaw-viz 0.1.0
[INFO] finished tweaking crates.io crate seesaw-viz 0.1.0
[INFO] tweaked toml for crates.io crate seesaw-viz 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seesaw-viz 0.1.0 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 seesaw-viz 0.1.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 25550d92f662c295c1bff52550fd7db5ad8404cca75f4757242ad17f402d7678
[INFO] running `Command { std: "docker" "start" "-a" "25550d92f662c295c1bff52550fd7db5ad8404cca75f4757242ad17f402d7678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25550d92f662c295c1bff52550fd7db5ad8404cca75f4757242ad17f402d7678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25550d92f662c295c1bff52550fd7db5ad8404cca75f4757242ad17f402d7678", kill_on_drop: false }`
[INFO] [stdout] 25550d92f662c295c1bff52550fd7db5ad8404cca75f4757242ad17f402d7678
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7f4acd0ec6d6d38eb12dc6014cb753d792dc4e23d316f884bb09671e7a5e51fe
[INFO] running `Command { std: "docker" "start" "-a" "7f4acd0ec6d6d38eb12dc6014cb753d792dc4e23d316f884bb09671e7a5e51fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling zmij v1.0.17
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling uuid v1.20.0
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tracing-serde v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling seesaw-viz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/formatter.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/collector.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct SpanCollector<S> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 46 |     /// Configuration
[INFO] [stdout] 47 |     config: CollectorConfig,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.06s
[INFO] running `Command { std: "docker" "inspect" "7f4acd0ec6d6d38eb12dc6014cb753d792dc4e23d316f884bb09671e7a5e51fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f4acd0ec6d6d38eb12dc6014cb753d792dc4e23d316f884bb09671e7a5e51fe", kill_on_drop: false }`
[INFO] [stdout] 7f4acd0ec6d6d38eb12dc6014cb753d792dc4e23d316f884bb09671e7a5e51fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d55b5a3a1b47895da223c8c17e20e47f91431d33e6b8788d62addffb11468951
[INFO] running `Command { std: "docker" "start" "-a" "d55b5a3a1b47895da223c8c17e20e47f91431d33e6b8788d62addffb11468951", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling uuid v1.20.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling seesaw-viz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/formatter.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/collector.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct SpanCollector<S> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 46 |     /// Configuration
[INFO] [stdout] 47 |     config: CollectorConfig,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/formatter.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `formatter::JsonDiffFormatter: Clone` is not satisfied
[INFO] [stdout]    --> src/collector.rs:447:50
[INFO] [stdout]     |
[INFO] [stdout] 447 |         let observer = collector.create_observer(JsonDiffFormatter);
[INFO] [stdout]     |                                  --------------- ^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `formatter::JsonDiffFormatter`
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `collector::SpanCollector::<S>::create_observer`
[INFO] [stdout]    --> src/collector.rs:113:32
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn create_observer<F>(&self, formatter: F) -> SpanObserver<S, F>
[INFO] [stdout]     |            --------------- required by a bound in this associated function
[INFO] [stdout] 112 |     where
[INFO] [stdout] 113 |         F: StateFormatter<S> + Clone + Send + 'static,
[INFO] [stdout]     |                                ^^^^^ required by this bound in `SpanCollector::<S>::create_observer`
[INFO] [stdout] help: consider annotating `formatter::JsonDiffFormatter` with `#[derive(Clone)]`
[INFO] [stdout]    --> src/formatter.rs:31:1
[INFO] [stdout]     |
[INFO] [stdout]  31 + #[derive(Clone)]
[INFO] [stdout]  32 | pub struct JsonDiffFormatter;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `record` exists for struct `SpanObserver<i32, formatter::JsonDiffFormatter>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/collector.rs:450:14
[INFO] [stdout]     |
[INFO] [stdout] 198 |   pub struct SpanObserver<S, F> {
[INFO] [stdout]     |   ----------------------------- method `record` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 449 | /         observer
[INFO] [stdout] 450 | |             .record(
[INFO] [stdout]     | |             -^^^^^^ method cannot be called on `SpanObserver<i32, formatter::JsonDiffFormatter>` due to unsatisfied trait bounds
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/formatter.rs:31:1
[INFO] [stdout]     |
[INFO] [stdout]  31 |   pub struct JsonDiffFormatter;
[INFO] [stdout]     |   ---------------------------- doesn't satisfy `formatter::JsonDiffFormatter: Clone`
[INFO] [stdout]     |
[INFO] [stdout] note: trait bound `formatter::JsonDiffFormatter: Clone` was not satisfied
[INFO] [stdout]    --> src/collector.rs:208:28
[INFO] [stdout]     |
[INFO] [stdout] 205 | impl<S, F> SpanObserver<S, F>
[INFO] [stdout]     |            ------------------
[INFO] [stdout] ...
[INFO] [stdout] 208 |     F: StateFormatter<S> + Clone + Send + 'static,
[INFO] [stdout]     |                            ^^^^^ unsatisfied trait bound introduced here
[INFO] [stdout] help: consider annotating `formatter::JsonDiffFormatter` with `#[derive(Clone)]`
[INFO] [stdout]    --> src/formatter.rs:31:1
[INFO] [stdout]     |
[INFO] [stdout]  31 + #[derive(Clone)]
[INFO] [stdout]  32 | pub struct JsonDiffFormatter;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `seesaw-viz` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d55b5a3a1b47895da223c8c17e20e47f91431d33e6b8788d62addffb11468951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55b5a3a1b47895da223c8c17e20e47f91431d33e6b8788d62addffb11468951", kill_on_drop: false }`
[INFO] [stdout] d55b5a3a1b47895da223c8c17e20e47f91431d33e6b8788d62addffb11468951
