[INFO] fetching crate mod_exp 1.0.1...
[INFO] testing mod_exp-1.0.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate mod_exp 1.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mod_exp 1.0.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mod_exp 1.0.1
[INFO] finished tweaking crates.io crate mod_exp 1.0.1
[INFO] tweaked toml for crates.io crate mod_exp 1.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7086b274d06aae0faec4157c9485c86d58f645b0dfd904a164a660800d04a16
[INFO] running `Command { std: "docker" "start" "-a" "a7086b274d06aae0faec4157c9485c86d58f645b0dfd904a164a660800d04a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7086b274d06aae0faec4157c9485c86d58f645b0dfd904a164a660800d04a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7086b274d06aae0faec4157c9485c86d58f645b0dfd904a164a660800d04a16", kill_on_drop: false }`
[INFO] [stdout] a7086b274d06aae0faec4157c9485c86d58f645b0dfd904a164a660800d04a16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea9591a74796a7283337231ded2d5b61fa97d2eae31e3196289e2fc8359b4e8b
[INFO] running `Command { std: "docker" "start" "-a" "ea9591a74796a7283337231ded2d5b61fa97d2eae31e3196289e2fc8359b4e8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling mod_exp v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "ea9591a74796a7283337231ded2d5b61fa97d2eae31e3196289e2fc8359b4e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea9591a74796a7283337231ded2d5b61fa97d2eae31e3196289e2fc8359b4e8b", kill_on_drop: false }`
[INFO] [stdout] ea9591a74796a7283337231ded2d5b61fa97d2eae31e3196289e2fc8359b4e8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc12c20a00d51df32ce7a40351f2f5e9a5b633ef7bc6dc2394d5940c3fdc7f64
[INFO] running `Command { std: "docker" "start" "-a" "dc12c20a00d51df32ce7a40351f2f5e9a5b633ef7bc6dc2394d5940c3fdc7f64", kill_on_drop: false }`
[INFO] [stderr]    Compiling mod_exp v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "dc12c20a00d51df32ce7a40351f2f5e9a5b633ef7bc6dc2394d5940c3fdc7f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc12c20a00d51df32ce7a40351f2f5e9a5b633ef7bc6dc2394d5940c3fdc7f64", kill_on_drop: false }`
[INFO] [stdout] dc12c20a00d51df32ce7a40351f2f5e9a5b633ef7bc6dc2394d5940c3fdc7f64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13536bb5683eb421ed4d4fbb98c3bd1d2527e590a06ce0bf1f179fd1b2ac8a7d
[INFO] running `Command { std: "docker" "start" "-a" "13536bb5683eb421ed4d4fbb98c3bd1d2527e590a06ce0bf1f179fd1b2ac8a7d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mod_exp-4b51f257fd1e6472)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_mod_exp ... ok
[INFO] [stdout] test tests::test_overflow_lhs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mod_exp
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - mod_exp (line 27) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "13536bb5683eb421ed4d4fbb98c3bd1d2527e590a06ce0bf1f179fd1b2ac8a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13536bb5683eb421ed4d4fbb98c3bd1d2527e590a06ce0bf1f179fd1b2ac8a7d", kill_on_drop: false }`
[INFO] [stdout] 13536bb5683eb421ed4d4fbb98c3bd1d2527e590a06ce0bf1f179fd1b2ac8a7d