[INFO] fetching crate mech-core 0.3.4...
[INFO] testing mech-core-0.3.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate mech-core 0.3.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mech-core 0.3.4
[INFO] finished tweaking crates.io crate mech-core 0.3.4
[INFO] tweaked toml for crates.io crate mech-core 0.3.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mech-core 0.3.4 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mech-core 0.3.4 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a8b95166f7c5afc852c2fe4859c54a29b2efc1381508eadd064309ba7c21b90
[INFO] running `Command { std: "docker" "start" "-a" "6a8b95166f7c5afc852c2fe4859c54a29b2efc1381508eadd064309ba7c21b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a8b95166f7c5afc852c2fe4859c54a29b2efc1381508eadd064309ba7c21b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8b95166f7c5afc852c2fe4859c54a29b2efc1381508eadd064309ba7c21b90", kill_on_drop: false }`
[INFO] [stdout] 6a8b95166f7c5afc852c2fe4859c54a29b2efc1381508eadd064309ba7c21b90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bb24ef31b399ab2a4a1e24b4a85c5d364875f3a4c95730eb1ab8b9b96f1fa9f
[INFO] running `Command { std: "docker" "start" "-a" "5bb24ef31b399ab2a4a1e24b4a85c5d364875f3a4c95730eb1ab8b9b96f1fa9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling brotli-decompressor v5.0.0
[INFO] [stderr]    Compiling papergrid v0.17.0
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling testing_table v0.3.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling brotli v8.0.2
[INFO] [stderr]    Compiling inventory v0.3.22
[INFO] [stderr]    Compiling seahash v4.1.0
[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 v0.9.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling nalgebra-macros v0.3.0
[INFO] [stderr]    Compiling tabled_derive v0.11.0
[INFO] [stderr]    Compiling tabled v0.20.0
[INFO] [stderr]    Compiling nalgebra v0.34.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling mech-core v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.61s
[INFO] running `Command { std: "docker" "inspect" "5bb24ef31b399ab2a4a1e24b4a85c5d364875f3a4c95730eb1ab8b9b96f1fa9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb24ef31b399ab2a4a1e24b4a85c5d364875f3a4c95730eb1ab8b9b96f1fa9f", kill_on_drop: false }`
[INFO] [stdout] 5bb24ef31b399ab2a4a1e24b4a85c5d364875f3a4c95730eb1ab8b9b96f1fa9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbf2aa57b250d1b451a10931ca0f8e1c524ef708075e2edf22e0133a2fe19c30
[INFO] running `Command { std: "docker" "start" "-a" "fbf2aa57b250d1b451a10931ca0f8e1c524ef708075e2edf22e0133a2fe19c30", kill_on_drop: false }`
[INFO] [stderr]    Compiling mech-core v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.25s
[INFO] running `Command { std: "docker" "inspect" "fbf2aa57b250d1b451a10931ca0f8e1c524ef708075e2edf22e0133a2fe19c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf2aa57b250d1b451a10931ca0f8e1c524ef708075e2edf22e0133a2fe19c30", kill_on_drop: false }`
[INFO] [stdout] fbf2aa57b250d1b451a10931ca0f8e1c524ef708075e2edf22e0133a2fe19c30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69ba8adce7f127e1040da10338026509137457a8c6cb600e629de1c0806df1f5
[INFO] running `Command { std: "docker" "start" "-a" "69ba8adce7f127e1040da10338026509137457a8c6cb600e629de1c0806df1f5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mech_core-2441c5d23f3816c2)
[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] [stderr]    Doc-tests mech_core
[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" "69ba8adce7f127e1040da10338026509137457a8c6cb600e629de1c0806df1f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ba8adce7f127e1040da10338026509137457a8c6cb600e629de1c0806df1f5", kill_on_drop: false }`
[INFO] [stdout] 69ba8adce7f127e1040da10338026509137457a8c6cb600e629de1c0806df1f5