[INFO] fetching crate toucan-rs 1.0.0...
[INFO] testing toucan-rs-1.0.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate toucan-rs 1.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate toucan-rs 1.0.0
[INFO] finished tweaking crates.io crate toucan-rs 1.0.0
[INFO] tweaked toml for crates.io crate toucan-rs 1.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate toucan-rs 1.0.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 82 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding worker v0.3.4 (available: v0.6.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49bd6b9e60a2897ee84eb84c8a2d38fa26addd7ee82c13b3589f183fc08858bd
[INFO] running `Command { std: "docker" "start" "-a" "49bd6b9e60a2897ee84eb84c8a2d38fa26addd7ee82c13b3589f183fc08858bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49bd6b9e60a2897ee84eb84c8a2d38fa26addd7ee82c13b3589f183fc08858bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49bd6b9e60a2897ee84eb84c8a2d38fa26addd7ee82c13b3589f183fc08858bd", kill_on_drop: false }`
[INFO] [stdout] 49bd6b9e60a2897ee84eb84c8a2d38fa26addd7ee82c13b3589f183fc08858bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f9e7c1bfe3019a347e4310c0a9baaee9327b04d8de49f64815496aaf668c671
[INFO] running `Command { std: "docker" "start" "-a" "9f9e7c1bfe3019a347e4310c0a9baaee9327b04d8de49f64815496aaf668c671", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.105
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.105
[INFO] [stderr]    Compiling wasm-bindgen v0.2.105
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling js-sys v0.3.82
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.1
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.55
[INFO] [stderr]    Compiling web-sys v0.3.82
[INFO] [stderr]    Compiling serde-wasm-bindgen v0.5.0
[INFO] [stderr]    Compiling serde-wasm-bindgen v0.6.5
[INFO] [stderr]    Compiling worker-kv v0.7.0
[INFO] [stderr]    Compiling worker-sys v0.3.4
[INFO] [stderr]    Compiling worker-macros v0.3.4
[INFO] [stderr]    Compiling wasm-streams v0.4.2
[INFO] [stderr]    Compiling worker v0.3.4
[INFO] [stderr]    Compiling toucan-rs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `backtrace` is never read
[INFO] [stdout]   --> src/error.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct ToucanError {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 10 |     pub msg: String,
[INFO] [stdout] 11 |     backtrace: Option<std::backtrace::Backtrace>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ToucanError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 22.94s
[INFO] running `Command { std: "docker" "inspect" "9f9e7c1bfe3019a347e4310c0a9baaee9327b04d8de49f64815496aaf668c671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f9e7c1bfe3019a347e4310c0a9baaee9327b04d8de49f64815496aaf668c671", kill_on_drop: false }`
[INFO] [stdout] 9f9e7c1bfe3019a347e4310c0a9baaee9327b04d8de49f64815496aaf668c671
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7d6bd7c63e3a4875cafcce9446c652f08ca429f3f350874e94054d257627abe
[INFO] running `Command { std: "docker" "start" "-a" "d7d6bd7c63e3a4875cafcce9446c652f08ca429f3f350874e94054d257627abe", kill_on_drop: false }`
[INFO] [stdout] warning: field `backtrace` is never read
[INFO] [stdout]   --> src/error.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct ToucanError {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 10 |     pub msg: String,
[INFO] [stdout] 11 |     backtrace: Option<std::backtrace::Backtrace>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ToucanError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling toucan-rs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `backtrace` is never read
[INFO] [stdout]   --> src/error.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct ToucanError {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 10 |     pub msg: String,
[INFO] [stdout] 11 |     backtrace: Option<std::backtrace::Backtrace>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ToucanError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "d7d6bd7c63e3a4875cafcce9446c652f08ca429f3f350874e94054d257627abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d6bd7c63e3a4875cafcce9446c652f08ca429f3f350874e94054d257627abe", kill_on_drop: false }`
[INFO] [stdout] d7d6bd7c63e3a4875cafcce9446c652f08ca429f3f350874e94054d257627abe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 212cd6b6d43510aa6db4c851ff91461f88f310189bc8d7d746f5c1c454adcfcb
[INFO] running `Command { std: "docker" "start" "-a" "212cd6b6d43510aa6db4c851ff91461f88f310189bc8d7d746f5c1c454adcfcb", kill_on_drop: false }`
[INFO] [stderr] warning: field `backtrace` is never read
[INFO] [stdout] 
[INFO] [stderr]   --> src/error.rs:11:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]  9 | pub struct ToucanError {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stdout] 
[INFO] [stderr] 10 |     pub msg: String,
[INFO] [stderr] 11 |     backtrace: Option<std::backtrace::Backtrace>,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ToucanError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `toucan-rs` (lib) generated 1 warning
[INFO] [stderr] warning: `toucan-rs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/toucan_rs-7c923c09698cce7d)
[INFO] [stderr]    Doc-tests toucan_rs
[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" "212cd6b6d43510aa6db4c851ff91461f88f310189bc8d7d746f5c1c454adcfcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "212cd6b6d43510aa6db4c851ff91461f88f310189bc8d7d746f5c1c454adcfcb", kill_on_drop: false }`
[INFO] [stdout] 212cd6b6d43510aa6db4c851ff91461f88f310189bc8d7d746f5c1c454adcfcb