[INFO] cloning repository https://github.com/cypriansakwa/Solution_Linear_Congruences_Big_Integers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cypriansakwa/Solution_Linear_Congruences_Big_Integers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypriansakwa%2FSolution_Linear_Congruences_Big_Integers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypriansakwa%2FSolution_Linear_Congruences_Big_Integers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4739bcc195a778909ceb6790c5f45ddef89f11c7
[INFO] building cypriansakwa/Solution_Linear_Congruences_Big_Integers against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypriansakwa%2FSolution_Linear_Congruences_Big_Integers" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cypriansakwa/Solution_Linear_Congruences_Big_Integers on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cypriansakwa/Solution_Linear_Congruences_Big_Integers
[INFO] finished tweaking git repo https://github.com/cypriansakwa/Solution_Linear_Congruences_Big_Integers
[INFO] tweaked toml for git repo https://github.com/cypriansakwa/Solution_Linear_Congruences_Big_Integers written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cypriansakwa/Solution_Linear_Congruences_Big_Integers 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 647210cf070bf1b52a480537c349904436404432f07a07ec806c401f50b51bae
[INFO] running `Command { std: "docker" "start" "-a" "647210cf070bf1b52a480537c349904436404432f07a07ec806c401f50b51bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "647210cf070bf1b52a480537c349904436404432f07a07ec806c401f50b51bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "647210cf070bf1b52a480537c349904436404432f07a07ec806c401f50b51bae", kill_on_drop: false }`
[INFO] [stdout] 647210cf070bf1b52a480537c349904436404432f07a07ec806c401f50b51bae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 674a606b00fbefbc51660078904755931e0d5a582492cadcfdb70825306f1d9b
[INFO] running `Command { std: "docker" "start" "-a" "674a606b00fbefbc51660078904755931e0d5a582492cadcfdb70825306f1d9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling Solution_Linear_Congruences_With_Big_Integers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "674a606b00fbefbc51660078904755931e0d5a582492cadcfdb70825306f1d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674a606b00fbefbc51660078904755931e0d5a582492cadcfdb70825306f1d9b", kill_on_drop: false }`
[INFO] [stdout] 674a606b00fbefbc51660078904755931e0d5a582492cadcfdb70825306f1d9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34fdc7ed9a39b11f3c34694403975fc1691a9ab8ffd37e2b70298563a9af36da
[INFO] running `Command { std: "docker" "start" "-a" "34fdc7ed9a39b11f3c34694403975fc1691a9ab8ffd37e2b70298563a9af36da", kill_on_drop: false }`
[INFO] [stderr]    Compiling Solution_Linear_Congruences_With_Big_Integers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "34fdc7ed9a39b11f3c34694403975fc1691a9ab8ffd37e2b70298563a9af36da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34fdc7ed9a39b11f3c34694403975fc1691a9ab8ffd37e2b70298563a9af36da", kill_on_drop: false }`
[INFO] [stdout] 34fdc7ed9a39b11f3c34694403975fc1691a9ab8ffd37e2b70298563a9af36da