[INFO] fetching crate gob_rs 1.3.0...
[INFO] testing gob_rs-1.3.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate gob_rs 1.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate gob_rs 1.3.0
[INFO] finished tweaking crates.io crate gob_rs 1.3.0
[INFO] tweaked toml for crates.io crate gob_rs 1.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gob_rs 1.3.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd2cb5cd0c96bfbb4953b69d7c9c3369c32d2f5f4acac0f7ea006319e75ceec3
[INFO] running `Command { std: "docker" "start" "-a" "cd2cb5cd0c96bfbb4953b69d7c9c3369c32d2f5f4acac0f7ea006319e75ceec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd2cb5cd0c96bfbb4953b69d7c9c3369c32d2f5f4acac0f7ea006319e75ceec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd2cb5cd0c96bfbb4953b69d7c9c3369c32d2f5f4acac0f7ea006319e75ceec3", kill_on_drop: false }`
[INFO] [stdout] cd2cb5cd0c96bfbb4953b69d7c9c3369c32d2f5f4acac0f7ea006319e75ceec3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ce1dfbd996a800d17cb1de93edb9fc6a573ac07a16dc803f629a423b44a2bdb
[INFO] running `Command { std: "docker" "start" "-a" "5ce1dfbd996a800d17cb1de93edb9fc6a573ac07a16dc803f629a423b44a2bdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling gob_rs v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "5ce1dfbd996a800d17cb1de93edb9fc6a573ac07a16dc803f629a423b44a2bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce1dfbd996a800d17cb1de93edb9fc6a573ac07a16dc803f629a423b44a2bdb", kill_on_drop: false }`
[INFO] [stdout] 5ce1dfbd996a800d17cb1de93edb9fc6a573ac07a16dc803f629a423b44a2bdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e3b466226953e6158d4c72e6dd7b4e7d21d710032603bac87b4cb10a4868421
[INFO] running `Command { std: "docker" "start" "-a" "1e3b466226953e6158d4c72e6dd7b4e7d21d710032603bac87b4cb10a4868421", kill_on_drop: false }`
[INFO] [stderr]    Compiling gob_rs v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "1e3b466226953e6158d4c72e6dd7b4e7d21d710032603bac87b4cb10a4868421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e3b466226953e6158d4c72e6dd7b4e7d21d710032603bac87b4cb10a4868421", kill_on_drop: false }`
[INFO] [stdout] 1e3b466226953e6158d4c72e6dd7b4e7d21d710032603bac87b4cb10a4868421
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d20bfad0d804f8141a1407038ffe7d538db10bceb5780627418bb6d0e595ffc3
[INFO] running `Command { std: "docker" "start" "-a" "d20bfad0d804f8141a1407038ffe7d538db10bceb5780627418bb6d0e595ffc3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gob_rs-c4ea045f3e7ae822)
[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 gob_rs
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/core.rs - core::Gob::from_file (line 175) - compile ... ok
[INFO] [stdout] test src/core.rs - core::Gob::from_directory (line 143) - compile ... ok
[INFO] [stdout] test src/core.rs - core::Gob (line 18) - compile ... ok
[INFO] [stdout] test src/core.rs - core::Gob::as_bytes (line 258) ... FAILED
[INFO] [stdout] test src/core.rs - core::Gob (line 32) - compile ... ok
[INFO] [stdout] test src/core.rs - core::Gob::new (line 332) ... ok
[INFO] [stdout] test src/core.rs - core::GobMap (line 367) ... ok
[INFO] [stdout] test src/core.rs - core::Gob (line 68) ... ok
[INFO] [stdout] test src/core.rs - core::Gob (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/core.rs - core::Gob::as_bytes (line 258) stdout ----
[INFO] [stdout] error[E0608]: cannot index into a value of type `Result<Vec<u8>, String>`
[INFO] [stdout]    --> src/core.rs:277:17
[INFO] [stdout]     |
[INFO] [stdout] 277 | assert_eq!(&data[..4], Vec::from(b"GOB "));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0608]: cannot index into a value of type `Result<Vec<u8>, String>`
[INFO] [stdout]    --> src/core.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 279 | assert_eq!(&data[4..8], Vec::from(0x14u32.to_le_bytes()));
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0608]: cannot index into a value of type `Result<Vec<u8>, String>`
[INFO] [stdout]    --> src/core.rs:281:17
[INFO] [stdout]     |
[INFO] [stdout] 281 | assert_eq!(&data[8..12], Vec::from(12u32.to_le_bytes()));
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0608]: cannot index into a value of type `Result<Vec<u8>, String>`
[INFO] [stdout]    --> src/core.rs:283:17
[INFO] [stdout]     |
[INFO] [stdout] 283 | assert_eq!(&data[12..16], Vec::from(2u32.to_le_bytes()));
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0608`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/core.rs - core::Gob::as_bytes (line 258)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d20bfad0d804f8141a1407038ffe7d538db10bceb5780627418bb6d0e595ffc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20bfad0d804f8141a1407038ffe7d538db10bceb5780627418bb6d0e595ffc3", kill_on_drop: false }`
[INFO] [stdout] d20bfad0d804f8141a1407038ffe7d538db10bceb5780627418bb6d0e595ffc3