[INFO] cloning repository https://github.com/konceptosociala/calc_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/konceptosociala/calc_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonceptosociala%2Fcalc_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonceptosociala%2Fcalc_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c54e130f51ad2ce9c9e9e9560ddc2c236e55a68c
[INFO] checking konceptosociala/calc_practice against try#349c4bfa6ac87b818f6fd19d4869c0b24790ac6a for pr-152856
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonceptosociala%2Fcalc_practice" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/konceptosociala/calc_practice
[INFO] finished tweaking git repo https://github.com/konceptosociala/calc_practice
[INFO] tweaked toml for git repo https://github.com/konceptosociala/calc_practice written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/konceptosociala/calc_practice on toolchain 349c4bfa6ac87b818f6fd19d4869c0b24790ac6a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/konceptosociala/calc_practice 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" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f91a9962579cd123b10bf095cc9e44a450b3b16c51dc827d0689bb055b378e2c
[INFO] running `Command { std: "docker" "start" "-a" "f91a9962579cd123b10bf095cc9e44a450b3b16c51dc827d0689bb055b378e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f91a9962579cd123b10bf095cc9e44a450b3b16c51dc827d0689bb055b378e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f91a9962579cd123b10bf095cc9e44a450b3b16c51dc827d0689bb055b378e2c", kill_on_drop: false }`
[INFO] [stdout] f91a9962579cd123b10bf095cc9e44a450b3b16c51dc827d0689bb055b378e2c
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c746a9cc918779cfdeb55e137d72ed76e842d027aca7cb7c7871b4e9a9fdbf38
[INFO] running `Command { std: "docker" "start" "-a" "c746a9cc918779cfdeb55e137d72ed76e842d027aca7cb7c7871b4e9a9fdbf38", kill_on_drop: false }`
[INFO] [stderr]    Compiling pest v2.8.3
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling pest_meta v2.8.3
[INFO] [stderr]    Compiling pest_generator v2.8.3
[INFO] [stderr]    Compiling pest_derive v2.8.3
[INFO] [stderr]     Checking calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.56s
[INFO] running `Command { std: "docker" "inspect" "c746a9cc918779cfdeb55e137d72ed76e842d027aca7cb7c7871b4e9a9fdbf38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c746a9cc918779cfdeb55e137d72ed76e842d027aca7cb7c7871b4e9a9fdbf38", kill_on_drop: false }`
[INFO] [stdout] c746a9cc918779cfdeb55e137d72ed76e842d027aca7cb7c7871b4e9a9fdbf38