[INFO] fetching crate gob_rs 1.3.0...
[INFO] testing gob_rs-1.3.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate gob_rs 1.3.0 into /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gob_rs 1.3.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 684c66d04974981122f45ebdfe773f710de9b9c83b01fc747a21cbcdd4f8e6a5
[INFO] running `Command { std: "docker" "start" "-a" "684c66d04974981122f45ebdfe773f710de9b9c83b01fc747a21cbcdd4f8e6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "684c66d04974981122f45ebdfe773f710de9b9c83b01fc747a21cbcdd4f8e6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "684c66d04974981122f45ebdfe773f710de9b9c83b01fc747a21cbcdd4f8e6a5", kill_on_drop: false }`
[INFO] [stdout] 684c66d04974981122f45ebdfe773f710de9b9c83b01fc747a21cbcdd4f8e6a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fc215b35bc813d512f332abb91f95928ec4bff1833db63d45922dbeddeb50d5
[INFO] running `Command { std: "docker" "start" "-a" "8fc215b35bc813d512f332abb91f95928ec4bff1833db63d45922dbeddeb50d5", 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 0.48s
[INFO] running `Command { std: "docker" "inspect" "8fc215b35bc813d512f332abb91f95928ec4bff1833db63d45922dbeddeb50d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc215b35bc813d512f332abb91f95928ec4bff1833db63d45922dbeddeb50d5", kill_on_drop: false }`
[INFO] [stdout] 8fc215b35bc813d512f332abb91f95928ec4bff1833db63d45922dbeddeb50d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a22cf7588968bdc2fff6019f6e6f6253087ca175cc4dab73d7aac499f1082541
[INFO] running `Command { std: "docker" "start" "-a" "a22cf7588968bdc2fff6019f6e6f6253087ca175cc4dab73d7aac499f1082541", 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 0.28s
[INFO] running `Command { std: "docker" "inspect" "a22cf7588968bdc2fff6019f6e6f6253087ca175cc4dab73d7aac499f1082541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a22cf7588968bdc2fff6019f6e6f6253087ca175cc4dab73d7aac499f1082541", kill_on_drop: false }`
[INFO] [stdout] a22cf7588968bdc2fff6019f6e6f6253087ca175cc4dab73d7aac499f1082541
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2aa96cc3136a8e899fbc6a18bdb834cabf264e1708156595ef4ed2db38c32dbe
[INFO] running `Command { std: "docker" "start" "-a" "2aa96cc3136a8e899fbc6a18bdb834cabf264e1708156595ef4ed2db38c32dbe", 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 (line 18) - compile ... ok
[INFO] [stdout] test src/core.rs - core::Gob (line 32) - compile ... ok
[INFO] [stdout] test src/core.rs - core::Gob::from_directory (line 143) - compile ... ok
[INFO] [stdout] test src/core.rs - core::Gob::as_bytes (line 258) ... FAILED
[INFO] [stdout] test src/core.rs - core::Gob (line 45) ... ok
[INFO] [stdout] test src/core.rs - core::Gob::new (line 332) ... ok
[INFO] [stdout] test src/core.rs - core::Gob (line 68) ... ok
[INFO] [stdout] test src/core.rs - core::GobMap (line 367) ... 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] 22 | 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] 24 | 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] 26 | 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] 28 | 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 0.41s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2aa96cc3136a8e899fbc6a18bdb834cabf264e1708156595ef4ed2db38c32dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa96cc3136a8e899fbc6a18bdb834cabf264e1708156595ef4ed2db38c32dbe", kill_on_drop: false }`
[INFO] [stdout] 2aa96cc3136a8e899fbc6a18bdb834cabf264e1708156595ef4ed2db38c32dbe