[INFO] fetching crate flexiber 0.1.0...
[INFO] testing flexiber-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate flexiber 0.1.0 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate flexiber 0.1.0 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 flexiber 0.1.0
[INFO] finished tweaking crates.io crate flexiber 0.1.0
[INFO] tweaked toml for crates.io crate flexiber 0.1.0 written to /workspace/builds/worker-109/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]  Downloading crates ...
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.5
[INFO] [stderr]   Downloaded volatile-register v0.2.1
[INFO] [stderr]   Downloaded cortex-m v0.7.3
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded embedded-hal v0.2.6
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded delog v0.1.2
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded hex-literal v0.3.4
[INFO] [stderr]   Downloaded riscv v0.7.0
[INFO] [stderr]   Downloaded critical-section v0.2.5
[INFO] [stderr]   Downloaded heapless v0.7.8
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded bit_field v0.10.1
[INFO] [stderr]   Downloaded flexiber_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] e7129ab80cefdf91b0d120369ed878bf5790c56b607d434506b347933f97c5f5
[INFO] running `Command { std: "docker" "start" "-a" "e7129ab80cefdf91b0d120369ed878bf5790c56b607d434506b347933f97c5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7129ab80cefdf91b0d120369ed878bf5790c56b607d434506b347933f97c5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7129ab80cefdf91b0d120369ed878bf5790c56b607d434506b347933f97c5f5", kill_on_drop: false }`
[INFO] [stdout] e7129ab80cefdf91b0d120369ed878bf5790c56b607d434506b347933f97c5f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 42d59e469856a7864d08b16c360d61e93077a8d9a22fb2c9d8d84782ccdfa735
[INFO] running `Command { std: "docker" "start" "-a" "42d59e469856a7864d08b16c360d61e93077a8d9a22fb2c9d8d84782ccdfa735", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling delog v0.1.2
[INFO] [stderr]    Compiling flexiber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "42d59e469856a7864d08b16c360d61e93077a8d9a22fb2c9d8d84782ccdfa735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42d59e469856a7864d08b16c360d61e93077a8d9a22fb2c9d8d84782ccdfa735", kill_on_drop: false }`
[INFO] [stdout] 42d59e469856a7864d08b16c360d61e93077a8d9a22fb2c9d8d84782ccdfa735
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 087d8151928b91de42e73f0a6bf60a2e474f8f8875f938450fd8376bd652ae9d
[INFO] running `Command { std: "docker" "start" "-a" "087d8151928b91de42e73f0a6bf60a2e474f8f8875f938450fd8376bd652ae9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling flexiber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "087d8151928b91de42e73f0a6bf60a2e474f8f8875f938450fd8376bd652ae9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087d8151928b91de42e73f0a6bf60a2e474f8f8875f938450fd8376bd652ae9d", kill_on_drop: false }`
[INFO] [stdout] 087d8151928b91de42e73f0a6bf60a2e474f8f8875f938450fd8376bd652ae9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 012b28f1b3eb4db089fe562ef38e5ad0f736976c4225e3f6dada648064d4fb21
[INFO] running `Command { std: "docker" "start" "-a" "012b28f1b3eb4db089fe562ef38e5ad0f736976c4225e3f6dada648064d4fb21", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flexiber-1a203fe5de20f14c)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test length::tests::decode ... ok
[INFO] [stdout] test decoder::tests::zero_length ... ok
[INFO] [stdout] test simpletag::tests::simple_tag ... ok
[INFO] [stdout] test encoder::tests::zero_length ... ok
[INFO] [stdout] test tag::tests::reconstruct ... ok
[INFO] [stdout] test tagged::tests::encode ... ok
[INFO] [stdout] test traits::tests::derive_option ... ok
[INFO] [stdout] test traits::tests::nesty ... ok
[INFO] [stdout] test traits::tests::nesty2 ... ok
[INFO] [stdout] test length::tests::reject_indefinite_lengths ... ok
[INFO] [stdout] test traits::tests::reconstruct ... ok
[INFO] [stdout] test length::tests::encode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/derive.rs (/opt/rustwide/target/debug/deps/derive-8e74b94362155e80)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flexiber
[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] [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" "012b28f1b3eb4db089fe562ef38e5ad0f736976c4225e3f6dada648064d4fb21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "012b28f1b3eb4db089fe562ef38e5ad0f736976c4225e3f6dada648064d4fb21", kill_on_drop: false }`
[INFO] [stdout] 012b28f1b3eb4db089fe562ef38e5ad0f736976c4225e3f6dada648064d4fb21