[INFO] fetching crate modexp 0.2.2...
[INFO] testing modexp-0.2.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate modexp 0.2.2 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate modexp 0.2.2 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 modexp 0.2.2
[INFO] finished tweaking crates.io crate modexp 0.2.2
[INFO] tweaked toml for crates.io crate modexp 0.2.2 written to /workspace/builds/worker-23/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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] c300cd05fe6d844a050e5dc017ca6a6ed5965b8ed3bacd6753bea3ab675120c6
[INFO] running `Command { std: "docker" "start" "-a" "c300cd05fe6d844a050e5dc017ca6a6ed5965b8ed3bacd6753bea3ab675120c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c300cd05fe6d844a050e5dc017ca6a6ed5965b8ed3bacd6753bea3ab675120c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c300cd05fe6d844a050e5dc017ca6a6ed5965b8ed3bacd6753bea3ab675120c6", kill_on_drop: false }`
[INFO] [stdout] c300cd05fe6d844a050e5dc017ca6a6ed5965b8ed3bacd6753bea3ab675120c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 48c5417be4560db8320691da1fd9ce4143111e31698818f5ce13b5f4e552174e
[INFO] running `Command { std: "docker" "start" "-a" "48c5417be4560db8320691da1fd9ce4143111e31698818f5ce13b5f4e552174e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[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 rand v0.4.6
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling modexp v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "48c5417be4560db8320691da1fd9ce4143111e31698818f5ce13b5f4e552174e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c5417be4560db8320691da1fd9ce4143111e31698818f5ce13b5f4e552174e", kill_on_drop: false }`
[INFO] [stdout] 48c5417be4560db8320691da1fd9ce4143111e31698818f5ce13b5f4e552174e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] ef94085e0b63e56c06b9e7c92832ced9f887e2aac5e7a57f970c97fa8d27b36f
[INFO] running `Command { std: "docker" "start" "-a" "ef94085e0b63e56c06b9e7c92832ced9f887e2aac5e7a57f970c97fa8d27b36f", kill_on_drop: false }`
[INFO] [stderr]    Compiling modexp v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "ef94085e0b63e56c06b9e7c92832ced9f887e2aac5e7a57f970c97fa8d27b36f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef94085e0b63e56c06b9e7c92832ced9f887e2aac5e7a57f970c97fa8d27b36f", kill_on_drop: false }`
[INFO] [stdout] ef94085e0b63e56c06b9e7c92832ced9f887e2aac5e7a57f970c97fa8d27b36f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] dca1da7e162b8f86a01ae2b538cac881c28f889ca2e841f9d581dc5f166b9adc
[INFO] running `Command { std: "docker" "start" "-a" "dca1da7e162b8f86a01ae2b538cac881c28f889ca2e841f9d581dc5f166b9adc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/modexp-f8c09d74ca986a41)
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests modexp
[INFO] [stdout] test test_fast ... ok
[INFO] [stdout] test test ... 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] [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" "dca1da7e162b8f86a01ae2b538cac881c28f889ca2e841f9d581dc5f166b9adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca1da7e162b8f86a01ae2b538cac881c28f889ca2e841f9d581dc5f166b9adc", kill_on_drop: false }`
[INFO] [stdout] dca1da7e162b8f86a01ae2b538cac881c28f889ca2e841f9d581dc5f166b9adc