[INFO] fetching crate argmin_codegen 0.1.8...
[INFO] testing argmin_codegen-0.1.8 against 1.55.0 for beta-1.56-1
[INFO] extracting crate argmin_codegen 0.1.8 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate argmin_codegen 0.1.8 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate argmin_codegen 0.1.8
[INFO] finished tweaking crates.io crate argmin_codegen 0.1.8
[INFO] tweaked toml for crates.io crate argmin_codegen 0.1.8 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f1e2927a0829968bb1695590e6c1fc5a84737c4961998218dcf306ad75d5410
[INFO] running `Command { std: "docker" "start" "-a" "7f1e2927a0829968bb1695590e6c1fc5a84737c4961998218dcf306ad75d5410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f1e2927a0829968bb1695590e6c1fc5a84737c4961998218dcf306ad75d5410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f1e2927a0829968bb1695590e6c1fc5a84737c4961998218dcf306ad75d5410", kill_on_drop: false }`
[INFO] [stdout] 7f1e2927a0829968bb1695590e6c1fc5a84737c4961998218dcf306ad75d5410
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66e8785a1e341181bc2afebf2d17ca68d7be866bcd8b050661b67bdeee1cf78c
[INFO] running `Command { std: "docker" "start" "-a" "66e8785a1e341181bc2afebf2d17ca68d7be866bcd8b050661b67bdeee1cf78c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling argmin_codegen v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.94s
[INFO] running `Command { std: "docker" "inspect" "66e8785a1e341181bc2afebf2d17ca68d7be866bcd8b050661b67bdeee1cf78c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66e8785a1e341181bc2afebf2d17ca68d7be866bcd8b050661b67bdeee1cf78c", kill_on_drop: false }`
[INFO] [stdout] 66e8785a1e341181bc2afebf2d17ca68d7be866bcd8b050661b67bdeee1cf78c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9313dd1fb42191eca9b82f70dda21a0990edae30205f535c8d6c2c33d5075aa
[INFO] running `Command { std: "docker" "start" "-a" "f9313dd1fb42191eca9b82f70dda21a0990edae30205f535c8d6c2c33d5075aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling argmin_codegen v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "f9313dd1fb42191eca9b82f70dda21a0990edae30205f535c8d6c2c33d5075aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9313dd1fb42191eca9b82f70dda21a0990edae30205f535c8d6c2c33d5075aa", kill_on_drop: false }`
[INFO] [stdout] f9313dd1fb42191eca9b82f70dda21a0990edae30205f535c8d6c2c33d5075aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9bac4c4e894c37b5b7315559da764457ac15308f06cc729c6024846a7692e7e4
[INFO] running `Command { std: "docker" "start" "-a" "9bac4c4e894c37b5b7315559da764457ac15308f06cc729c6024846a7692e7e4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/argmin_codegen-1a2339e18554efed)
[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 argmin_codegen
[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" "9bac4c4e894c37b5b7315559da764457ac15308f06cc729c6024846a7692e7e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bac4c4e894c37b5b7315559da764457ac15308f06cc729c6024846a7692e7e4", kill_on_drop: false }`
[INFO] [stdout] 9bac4c4e894c37b5b7315559da764457ac15308f06cc729c6024846a7692e7e4