[INFO] fetching crate preexplorer 0.5.2...
[INFO] building preexplorer-0.5.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate preexplorer 0.5.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate preexplorer 0.5.2
[INFO] finished tweaking crates.io crate preexplorer 0.5.2
[INFO] tweaked toml for crates.io crate preexplorer 0.5.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate preexplorer 0.5.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate preexplorer 0.5.2 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da83964589ecfb974fcb8f86d586fe042e4a9f5f983ed6f7c6e7671542a151af
[INFO] running `Command { std: "docker" "start" "-a" "da83964589ecfb974fcb8f86d586fe042e4a9f5f983ed6f7c6e7671542a151af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da83964589ecfb974fcb8f86d586fe042e4a9f5f983ed6f7c6e7671542a151af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da83964589ecfb974fcb8f86d586fe042e4a9f5f983ed6f7c6e7671542a151af", kill_on_drop: false }`
[INFO] [stdout] da83964589ecfb974fcb8f86d586fe042e4a9f5f983ed6f7c6e7671542a151af
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09b2423b0217f6bcf9a03a8ac9df4b69fba84e67cfeb71440087a6ff75363b27
[INFO] running `Command { std: "docker" "start" "-a" "09b2423b0217f6bcf9a03a8ac9df4b69fba84e67cfeb71440087a6ff75363b27", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling average v0.10.6
[INFO] [stderr]    Compiling chrono v0.4.35
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling preexplorer v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.16s
[INFO] running `Command { std: "docker" "inspect" "09b2423b0217f6bcf9a03a8ac9df4b69fba84e67cfeb71440087a6ff75363b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b2423b0217f6bcf9a03a8ac9df4b69fba84e67cfeb71440087a6ff75363b27", kill_on_drop: false }`
[INFO] [stdout] 09b2423b0217f6bcf9a03a8ac9df4b69fba84e67cfeb71440087a6ff75363b27
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a718ad22bd0de2eb6224690fbdb2a1253a1fb9481bb065bc661fdbc5359a69a
[INFO] running `Command { std: "docker" "start" "-a" "6a718ad22bd0de2eb6224690fbdb2a1253a1fb9481bb065bc661fdbc5359a69a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling ron v0.6.6
[INFO] [stderr]    Compiling preexplorer v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.20s
[INFO] running `Command { std: "docker" "inspect" "6a718ad22bd0de2eb6224690fbdb2a1253a1fb9481bb065bc661fdbc5359a69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a718ad22bd0de2eb6224690fbdb2a1253a1fb9481bb065bc661fdbc5359a69a", kill_on_drop: false }`
[INFO] [stdout] 6a718ad22bd0de2eb6224690fbdb2a1253a1fb9481bb065bc661fdbc5359a69a