[INFO] fetching crate mech-core 0.2.59...
[INFO] building mech-core-0.2.59 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate mech-core 0.2.59 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mech-core 0.2.59
[INFO] finished tweaking crates.io crate mech-core 0.2.59
[INFO] tweaked toml for crates.io crate mech-core 0.2.59 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mech-core 0.2.59 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mech-core 0.2.59 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e029630d1ebcbd39937ca4c10045bbe9cc84e07269b74280276162b5a9f6920
[INFO] running `Command { std: "docker" "start" "-a" "3e029630d1ebcbd39937ca4c10045bbe9cc84e07269b74280276162b5a9f6920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e029630d1ebcbd39937ca4c10045bbe9cc84e07269b74280276162b5a9f6920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e029630d1ebcbd39937ca4c10045bbe9cc84e07269b74280276162b5a9f6920", kill_on_drop: false }`
[INFO] [stdout] 3e029630d1ebcbd39937ca4c10045bbe9cc84e07269b74280276162b5a9f6920
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e22af8878af15fc093076f693434d507b51517cc4286d8a327dbb737096d05f6
[INFO] running `Command { std: "docker" "start" "-a" "e22af8878af15fc093076f693434d507b51517cc4286d8a327dbb737096d05f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling papergrid v0.14.0
[INFO] [stderr]    Compiling brotli-decompressor v5.0.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling brotli v8.0.1
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling simba v0.9.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling nalgebra-macros v0.3.0
[INFO] [stderr]    Compiling tabled_derive v0.10.0
[INFO] [stderr]    Compiling tabled v0.18.0
[INFO] [stderr]    Compiling nalgebra v0.34.0
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling mech-core v0.2.59 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "e22af8878af15fc093076f693434d507b51517cc4286d8a327dbb737096d05f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e22af8878af15fc093076f693434d507b51517cc4286d8a327dbb737096d05f6", kill_on_drop: false }`
[INFO] [stdout] e22af8878af15fc093076f693434d507b51517cc4286d8a327dbb737096d05f6
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 563095ab9934d816520113533f1b55f7b06e9910ab5e271b5758ba9b676f6bc8
[INFO] running `Command { std: "docker" "start" "-a" "563095ab9934d816520113533f1b55f7b06e9910ab5e271b5758ba9b676f6bc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling mech-core v0.2.59 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.17s
[INFO] running `Command { std: "docker" "inspect" "563095ab9934d816520113533f1b55f7b06e9910ab5e271b5758ba9b676f6bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563095ab9934d816520113533f1b55f7b06e9910ab5e271b5758ba9b676f6bc8", kill_on_drop: false }`
[INFO] [stdout] 563095ab9934d816520113533f1b55f7b06e9910ab5e271b5758ba9b676f6bc8