[INFO] fetching crate base_u256 0.1.1...
[INFO] testing base_u256-0.1.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate base_u256 0.1.1 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate base_u256 0.1.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate base_u256 0.1.1
[INFO] finished tweaking crates.io crate base_u256 0.1.1
[INFO] tweaked toml for crates.io crate base_u256 0.1.1 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9dc51cbdcd9eea4187e189f77654d4055faf298678ca6613bebd98482a4632a4
[INFO] running `Command { std: "docker" "start" "-a" "9dc51cbdcd9eea4187e189f77654d4055faf298678ca6613bebd98482a4632a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dc51cbdcd9eea4187e189f77654d4055faf298678ca6613bebd98482a4632a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc51cbdcd9eea4187e189f77654d4055faf298678ca6613bebd98482a4632a4", kill_on_drop: false }`
[INFO] [stdout] 9dc51cbdcd9eea4187e189f77654d4055faf298678ca6613bebd98482a4632a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bc51f0357608c1faf748c78f425c46a3d7a6204e78102e5f0b1329228d140e8
[INFO] running `Command { std: "docker" "start" "-a" "8bc51f0357608c1faf748c78f425c46a3d7a6204e78102e5f0b1329228d140e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ux v0.1.3
[INFO] [stderr]    Compiling base_u256 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.51s
[INFO] running `Command { std: "docker" "inspect" "8bc51f0357608c1faf748c78f425c46a3d7a6204e78102e5f0b1329228d140e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc51f0357608c1faf748c78f425c46a3d7a6204e78102e5f0b1329228d140e8", kill_on_drop: false }`
[INFO] [stdout] 8bc51f0357608c1faf748c78f425c46a3d7a6204e78102e5f0b1329228d140e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baa6f0135328c0751ff53b3e6e7fd226ed1c37427577cc53cd4dfc8c19c90404
[INFO] running `Command { std: "docker" "start" "-a" "baa6f0135328c0751ff53b3e6e7fd226ed1c37427577cc53cd4dfc8c19c90404", kill_on_drop: false }`
[INFO] [stderr]    Compiling base_u256 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "baa6f0135328c0751ff53b3e6e7fd226ed1c37427577cc53cd4dfc8c19c90404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baa6f0135328c0751ff53b3e6e7fd226ed1c37427577cc53cd4dfc8c19c90404", kill_on_drop: false }`
[INFO] [stdout] baa6f0135328c0751ff53b3e6e7fd226ed1c37427577cc53cd4dfc8c19c90404
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ca43e8688ae88995ae38f54c88bce79b44d867e1437a66203b115ff37b53ebe
[INFO] running `Command { std: "docker" "start" "-a" "9ca43e8688ae88995ae38f54c88bce79b44d867e1437a66203b115ff37b53ebe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/base_u256-42f7fac1eaaa02a0)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::base_u1024_decodes ... ok
[INFO] [stdout] test tests::base_u256_decodes ... ok
[INFO] [stdout] test tests::base_u256_encodes ... ok
[INFO] [stdout] test tests::base_u64_encodes ... ok
[INFO] [stdout] test tests::base_u1024_encodes ... ok
[INFO] [stdout] test tests::base_u64_decodes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests base_u256
[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" "9ca43e8688ae88995ae38f54c88bce79b44d867e1437a66203b115ff37b53ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca43e8688ae88995ae38f54c88bce79b44d867e1437a66203b115ff37b53ebe", kill_on_drop: false }`
[INFO] [stdout] 9ca43e8688ae88995ae38f54c88bce79b44d867e1437a66203b115ff37b53ebe