[INFO] fetching crate mathengine-evaluator 0.1.0...
[INFO] testing mathengine-evaluator-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate mathengine-evaluator 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mathengine-evaluator 0.1.0
[INFO] finished tweaking crates.io crate mathengine-evaluator 0.1.0
[INFO] tweaked toml for crates.io crate mathengine-evaluator 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mathengine-evaluator 0.1.0 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 mathengine-evaluator 0.1.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 87d946b62cf5dce7f2696bbcd73451c178d7611998f1735d1fb81d3483d84b86
[INFO] running `Command { std: "docker" "start" "-a" "87d946b62cf5dce7f2696bbcd73451c178d7611998f1735d1fb81d3483d84b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87d946b62cf5dce7f2696bbcd73451c178d7611998f1735d1fb81d3483d84b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87d946b62cf5dce7f2696bbcd73451c178d7611998f1735d1fb81d3483d84b86", kill_on_drop: false }`
[INFO] [stdout] 87d946b62cf5dce7f2696bbcd73451c178d7611998f1735d1fb81d3483d84b86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7ebe6c19fa6a1d5729494b9c41921f81d32facc38bb4d4768f99422378940fee
[INFO] running `Command { std: "docker" "start" "-a" "7ebe6c19fa6a1d5729494b9c41921f81d32facc38bb4d4768f99422378940fee", kill_on_drop: false }`
[INFO] [stderr]    Compiling mathengine-lexer v0.1.0
[INFO] [stderr]    Compiling mathengine-units v0.1.0
[INFO] [stderr]    Compiling mathengine-parser v0.1.0
[INFO] [stderr]    Compiling mathengine-evaluator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "7ebe6c19fa6a1d5729494b9c41921f81d32facc38bb4d4768f99422378940fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ebe6c19fa6a1d5729494b9c41921f81d32facc38bb4d4768f99422378940fee", kill_on_drop: false }`
[INFO] [stdout] 7ebe6c19fa6a1d5729494b9c41921f81d32facc38bb4d4768f99422378940fee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b00e173e2db5a7aaecdc18ca84a96ea4b4f86c2b282fd66303459f581daaa0df
[INFO] running `Command { std: "docker" "start" "-a" "b00e173e2db5a7aaecdc18ca84a96ea4b4f86c2b282fd66303459f581daaa0df", kill_on_drop: false }`
[INFO] [stderr]    Compiling mathengine-evaluator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "b00e173e2db5a7aaecdc18ca84a96ea4b4f86c2b282fd66303459f581daaa0df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b00e173e2db5a7aaecdc18ca84a96ea4b4f86c2b282fd66303459f581daaa0df", kill_on_drop: false }`
[INFO] [stdout] b00e173e2db5a7aaecdc18ca84a96ea4b4f86c2b282fd66303459f581daaa0df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 70c0e9f6bde21670bd55964548b12961f1672f82a13d3b96f44730abf78aa94b
[INFO] running `Command { std: "docker" "start" "-a" "70c0e9f6bde21670bd55964548b12961f1672f82a13d3b96f44730abf78aa94b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mathengine_evaluator-c200f3cb2df79ade)
[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 mathengine_evaluator
[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" "70c0e9f6bde21670bd55964548b12961f1672f82a13d3b96f44730abf78aa94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c0e9f6bde21670bd55964548b12961f1672f82a13d3b96f44730abf78aa94b", kill_on_drop: false }`
[INFO] [stdout] 70c0e9f6bde21670bd55964548b12961f1672f82a13d3b96f44730abf78aa94b