[INFO] fetching crate base_u256 0.1.1...
[INFO] testing base_u256-0.1.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate base_u256 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate base_u256 0.1.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db8cb351ba1fe3982bedec0fe18910b685d626af212c495ee8dca2166da5e8bc
[INFO] running `Command { std: "docker" "start" "-a" "db8cb351ba1fe3982bedec0fe18910b685d626af212c495ee8dca2166da5e8bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db8cb351ba1fe3982bedec0fe18910b685d626af212c495ee8dca2166da5e8bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db8cb351ba1fe3982bedec0fe18910b685d626af212c495ee8dca2166da5e8bc", kill_on_drop: false }`
[INFO] [stdout] db8cb351ba1fe3982bedec0fe18910b685d626af212c495ee8dca2166da5e8bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb91e65b743f690b675d867d58431ef9502ad212de452270acdeb5f3416fa796
[INFO] running `Command { std: "docker" "start" "-a" "bb91e65b743f690b675d867d58431ef9502ad212de452270acdeb5f3416fa796", 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 13.84s
[INFO] running `Command { std: "docker" "inspect" "bb91e65b743f690b675d867d58431ef9502ad212de452270acdeb5f3416fa796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb91e65b743f690b675d867d58431ef9502ad212de452270acdeb5f3416fa796", kill_on_drop: false }`
[INFO] [stdout] bb91e65b743f690b675d867d58431ef9502ad212de452270acdeb5f3416fa796
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab4af9879c62d8bcec59227bb684540a6feb4c6e5969e146eb7ac98992188811
[INFO] running `Command { std: "docker" "start" "-a" "ab4af9879c62d8bcec59227bb684540a6feb4c6e5969e146eb7ac98992188811", kill_on_drop: false }`
[INFO] [stderr]    Compiling base_u256 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "ab4af9879c62d8bcec59227bb684540a6feb4c6e5969e146eb7ac98992188811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab4af9879c62d8bcec59227bb684540a6feb4c6e5969e146eb7ac98992188811", kill_on_drop: false }`
[INFO] [stdout] ab4af9879c62d8bcec59227bb684540a6feb4c6e5969e146eb7ac98992188811
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] af6d4cc49d1c5c670da6d38cc53c933a628558e4e1a17b00488443968c680387
[INFO] running `Command { std: "docker" "start" "-a" "af6d4cc49d1c5c670da6d38cc53c933a628558e4e1a17b00488443968c680387", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[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_encodes ... ok
[INFO] [stdout] test tests::base_u256_decodes ... ok
[INFO] [stdout] test tests::base_u1024_decodes ... ok
[INFO] [stdout] test tests::base_u64_decodes ... ok
[INFO] [stdout] test tests::base_u64_encodes ... ok
[INFO] [stdout] test tests::base_u256_encodes ... 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" "af6d4cc49d1c5c670da6d38cc53c933a628558e4e1a17b00488443968c680387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af6d4cc49d1c5c670da6d38cc53c933a628558e4e1a17b00488443968c680387", kill_on_drop: false }`
[INFO] [stdout] af6d4cc49d1c5c670da6d38cc53c933a628558e4e1a17b00488443968c680387