[INFO] fetching crate magneto 0.2.3...
[INFO] building magneto-0.2.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate magneto 0.2.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate magneto 0.2.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate magneto 0.2.3
[INFO] tweaked toml for crates.io crate magneto 0.2.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate magneto 0.2.3 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate magneto 0.2.3 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert-json-diff v2.0.2
[INFO] [stderr]   Downloaded rustls v0.23.16
[INFO] [stderr]   Downloaded mockito v1.6.1
[INFO] [stderr]   Downloaded quinn-proto v0.11.8
[INFO] [stderr]   Downloaded quinn-udp v0.5.5
[INFO] [stderr]   Downloaded quinn v0.11.5
[INFO] [stderr]   Downloaded webpki-roots v0.26.6
[INFO] [stderr]   Downloaded anstream v0.6.17
[INFO] [stderr]   Downloaded thiserror v1.0.66
[INFO] [stderr]   Downloaded cc v1.2.1
[INFO] [stderr]   Downloaded bytes v1.8.0
[INFO] [stderr]   Downloaded url v2.5.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.66
[INFO] [stderr]   Downloaded tokio v1.41.0
[INFO] [stderr]   Downloaded rustix v0.38.40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e10b29d78c340152303f9d0cee64c265a077dd878ccf5f0120da2a49d110fbeb
[INFO] running `Command { std: "docker" "start" "-a" "e10b29d78c340152303f9d0cee64c265a077dd878ccf5f0120da2a49d110fbeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e10b29d78c340152303f9d0cee64c265a077dd878ccf5f0120da2a49d110fbeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10b29d78c340152303f9d0cee64c265a077dd878ccf5f0120da2a49d110fbeb", kill_on_drop: false }`
[INFO] [stdout] e10b29d78c340152303f9d0cee64c265a077dd878ccf5f0120da2a49d110fbeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c959ee4349721609c90c473570b7e8baaa537b0325e6167c1c67649c23db1df
[INFO] running `Command { std: "docker" "start" "-a" "7c959ee4349721609c90c473570b7e8baaa537b0325e6167c1c67649c23db1df", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling bytes v1.8.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling cc v1.2.1
[INFO] [stderr]    Compiling litemap v0.7.3
[INFO] [stderr]    Compiling hashbrown v0.15.1
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling anstream v0.6.17
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling thiserror v2.0.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling rustls-pki-types v1.10.0
[INFO] [stderr]    Compiling clap_builder v4.5.20
[INFO] [stderr]    Compiling env_filter v0.1.2
[INFO] [stderr]    Compiling openssl v0.10.68
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling sync_wrapper v1.0.1
[INFO] [stderr]    Compiling ipnet v2.10.1
[INFO] [stderr]    Compiling similar v2.6.0
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling env_logger v0.11.5
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling zerofrom-derive v0.1.4
[INFO] [stderr]    Compiling yoke-derive v0.7.4
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tokio v1.41.0
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v2.0.3
[INFO] [stderr]    Compiling zerofrom v0.1.4
[INFO] [stderr]    Compiling yoke v0.7.4
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling clap v4.5.20
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling tokio-util v0.7.12
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling h2 v0.4.6
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling assert-json-diff v2.0.2
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.3
[INFO] [stderr]    Compiling hyper v1.5.0
[INFO] [stderr]    Compiling hyper-util v0.1.10
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling mockito v1.6.1
[INFO] [stderr]    Compiling reqwest v0.12.9
[INFO] [stderr]    Compiling magneto v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "7c959ee4349721609c90c473570b7e8baaa537b0325e6167c1c67649c23db1df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c959ee4349721609c90c473570b7e8baaa537b0325e6167c1c67649c23db1df", kill_on_drop: false }`
[INFO] [stdout] 7c959ee4349721609c90c473570b7e8baaa537b0325e6167c1c67649c23db1df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b41bc6a022b158ad49e9e3ca1a1574cd9fba68ab16bd507c510b44084910e162
[INFO] running `Command { std: "docker" "start" "-a" "b41bc6a022b158ad49e9e3ca1a1574cd9fba68ab16bd507c510b44084910e162", kill_on_drop: false }`
[INFO] [stderr]    Compiling magneto v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "b41bc6a022b158ad49e9e3ca1a1574cd9fba68ab16bd507c510b44084910e162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b41bc6a022b158ad49e9e3ca1a1574cd9fba68ab16bd507c510b44084910e162", kill_on_drop: false }`
[INFO] [stdout] b41bc6a022b158ad49e9e3ca1a1574cd9fba68ab16bd507c510b44084910e162