[INFO] fetching crate ebml-iterable 0.3.1...
[INFO] testing ebml-iterable-0.3.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate ebml-iterable 0.3.1 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate ebml-iterable 0.3.1 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 ebml-iterable 0.3.1
[INFO] finished tweaking crates.io crate ebml-iterable 0.3.1
[INFO] tweaked toml for crates.io crate ebml-iterable 0.3.1 written to /workspace/builds/worker-108/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ebml-iterable-specification-derive v0.2.0
[INFO] [stderr]   Downloaded ebml-iterable-specification v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 6762befe94c8ad21178168722bfad3389036d9e98f3667536da009211f52f1fb
[INFO] running `Command { std: "docker" "start" "-a" "6762befe94c8ad21178168722bfad3389036d9e98f3667536da009211f52f1fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6762befe94c8ad21178168722bfad3389036d9e98f3667536da009211f52f1fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6762befe94c8ad21178168722bfad3389036d9e98f3667536da009211f52f1fb", kill_on_drop: false }`
[INFO] [stdout] 6762befe94c8ad21178168722bfad3389036d9e98f3667536da009211f52f1fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] addc933465d395d36323ae977fbad0ad2fe4e1d418858db01f33eb83079b50c9
[INFO] running `Command { std: "docker" "start" "-a" "addc933465d395d36323ae977fbad0ad2fe4e1d418858db01f33eb83079b50c9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ebml-iterable-specification v0.2.0
[INFO] [stderr]    Compiling ebml-iterable v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "addc933465d395d36323ae977fbad0ad2fe4e1d418858db01f33eb83079b50c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "addc933465d395d36323ae977fbad0ad2fe4e1d418858db01f33eb83079b50c9", kill_on_drop: false }`
[INFO] [stdout] addc933465d395d36323ae977fbad0ad2fe4e1d418858db01f33eb83079b50c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] b9f9c8b66e6b843f83710f0a1f5b03e8daf0b9d7c7db0a4bdf87c4cf3af0c253
[INFO] running `Command { std: "docker" "start" "-a" "b9f9c8b66e6b843f83710f0a1f5b03e8daf0b9d7c7db0a4bdf87c4cf3af0c253", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ebml-iterable v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "b9f9c8b66e6b843f83710f0a1f5b03e8daf0b9d7c7db0a4bdf87c4cf3af0c253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f9c8b66e6b843f83710f0a1f5b03e8daf0b9d7c7db0a4bdf87c4cf3af0c253", kill_on_drop: false }`
[INFO] [stdout] b9f9c8b66e6b843f83710f0a1f5b03e8daf0b9d7c7db0a4bdf87c4cf3af0c253
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 8ba4f76a04ab7cb4facb017cbb750de8f62394711e2eb9d97fdf589adec8d76d
[INFO] running `Command { std: "docker" "start" "-a" "8ba4f76a04ab7cb4facb017cbb750de8f62394711e2eb9d97fdf589adec8d76d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ebml_iterable-4b706dca835353b8)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tag_writer::tests::write_ebml_tag ... ok
[INFO] [stdout] test tools::tests::read_i64_values ... ok
[INFO] [stdout] test tools::tests::read_u64_values ... ok
[INFO] [stdout] test tools::tests::read_vint_for_ebml_tag ... ok
[INFO] [stdout] test tools::tests::read_vint_overflow ... ok
[INFO] [stdout] test tools::tests::read_vint_sixteen ... ok
[INFO] [stdout] test tools::tests::read_vint_two_hundred ... ok
[INFO] [stdout] test tools::tests::read_vint_very_long ... ok
[INFO] [stdout] test tools::tests::write_vint_sixteen ... ok
[INFO] [stdout] test tools::tests::write_vint_very_long ... ok
[INFO] [stdout] test tools::tests::write_vint_two_hundred ... ok
[INFO] [stdout] test tools::tests::too_big_for_vint - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/derive_spec_compile.rs (/opt/rustwide/target/debug/deps/derive_spec_compile-4aba3baf37b8fa97)
[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] [stderr]      Running tests/spec_write_read.rs (/opt/rustwide/target/debug/deps/spec_write_read-a9258f6800f7e04d)
[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] [stderr]    Doc-tests ebml-iterable
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/tag_writer.rs - tag_writer::TagWriter<W>::write_raw (line 227) - compile ... ok
[INFO] [stdout] test src/tag_writer.rs - tag_writer::TagWriter<W>::write (line 151) - compile ... ok
[INFO] [stdout] test src/tag_iterator.rs - tag_iterator::TagIterator (line 29) - compile ... ok
[INFO] [stdout] test src/tools.rs - tools::arr_to_i64 (line 151) ... ok
[INFO] [stdout] test src/tools.rs - tools::arr_to_u64 (line 118) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ba4f76a04ab7cb4facb017cbb750de8f62394711e2eb9d97fdf589adec8d76d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ba4f76a04ab7cb4facb017cbb750de8f62394711e2eb9d97fdf589adec8d76d", kill_on_drop: false }`
[INFO] [stdout] 8ba4f76a04ab7cb4facb017cbb750de8f62394711e2eb9d97fdf589adec8d76d