[INFO] cloning repository https://github.com/michaelwright235/nibarchive
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelwright235/nibarchive" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelwright235%2Fnibarchive", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelwright235%2Fnibarchive'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c91da6fcfa5bbc5d18d94e0dca18b2b198186abe
[INFO] testing michaelwright235/nibarchive against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelwright235%2Fnibarchive" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/michaelwright235/nibarchive
[INFO] finished tweaking git repo https://github.com/michaelwright235/nibarchive
[INFO] tweaked toml for git repo https://github.com/michaelwright235/nibarchive written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/michaelwright235/nibarchive on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/michaelwright235/nibarchive already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e34a7a0ce096cc988d209d4508970bb1b24fe9bb7a81643b209b784cee60a43f
[INFO] running `Command { std: "docker" "start" "-a" "e34a7a0ce096cc988d209d4508970bb1b24fe9bb7a81643b209b784cee60a43f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e34a7a0ce096cc988d209d4508970bb1b24fe9bb7a81643b209b784cee60a43f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34a7a0ce096cc988d209d4508970bb1b24fe9bb7a81643b209b784cee60a43f", kill_on_drop: false }`
[INFO] [stdout] e34a7a0ce096cc988d209d4508970bb1b24fe9bb7a81643b209b784cee60a43f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41f0d24d54ba9eb07ea4ba1493077cab14a9b0a0637c27ee77067418a2ed3143
[INFO] running `Command { std: "docker" "start" "-a" "41f0d24d54ba9eb07ea4ba1493077cab14a9b0a0637c27ee77067418a2ed3143", kill_on_drop: false }`
[INFO] [stderr]    Compiling nibarchive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "41f0d24d54ba9eb07ea4ba1493077cab14a9b0a0637c27ee77067418a2ed3143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f0d24d54ba9eb07ea4ba1493077cab14a9b0a0637c27ee77067418a2ed3143", kill_on_drop: false }`
[INFO] [stdout] 41f0d24d54ba9eb07ea4ba1493077cab14a9b0a0637c27ee77067418a2ed3143
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc3ba6e45d60fc5b0c4e47564401ed710c8124079658883629b3588faaa0ee20
[INFO] running `Command { std: "docker" "start" "-a" "dc3ba6e45d60fc5b0c4e47564401ed710c8124079658883629b3588faaa0ee20", kill_on_drop: false }`
[INFO] [stderr]    Compiling nibarchive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "dc3ba6e45d60fc5b0c4e47564401ed710c8124079658883629b3588faaa0ee20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc3ba6e45d60fc5b0c4e47564401ed710c8124079658883629b3588faaa0ee20", kill_on_drop: false }`
[INFO] [stdout] dc3ba6e45d60fc5b0c4e47564401ed710c8124079658883629b3588faaa0ee20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fa92039d115471a6baf0d793777a7970671bcb7e61bc0a2f37834e7edc320947
[INFO] running `Command { std: "docker" "start" "-a" "fa92039d115471a6baf0d793777a7970671bcb7e61bc0a2f37834e7edc320947", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nibarchive-10d2a0b093ac3873)
[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 nibarchive
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 31) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 31) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]  --> src/lib.rs:35:61
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_31_0() {
[INFO] [stdout]   |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 7 | let archive: NIBArchive = NIBArchive::from_file("./foo.nib")?;
[INFO] [stdout]   |                                                             ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]   |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_31_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   |                                                                         +++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/lib.rs:37:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | for (i, object) in 0..archive.objects().iter().enumerate() {
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected integer, found `Enumerate<Iter<'_, Object>>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected type `{integer}`
[INFO] [stdout]            found struct `Enumerate<std::slice::Iter<'_, Object>>`
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/lib.rs:37:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | for (i, object) in 0..archive.objects().iter().enumerate() {
[INFO] [stdout]   |     ^^^^^^^^^^^    --------------------------------------- this is an iterator with items of type `{integer}`
[INFO] [stdout]   |     |
[INFO] [stdout]   |     expected integer, found `(_, _)`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected type `{integer}`
[INFO] [stdout]             found tuple `(_, _)`
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     for (j, value) in 0..values.iter().enumerate() {
[INFO] [stdout]    |         ^^^^^^^^^^    ---------------------------- this is an iterator with items of type `{integer}`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         expected integer, found `(_, _)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `{integer}`
[INFO] [stdout]              found tuple `(_, _)`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 31)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "fa92039d115471a6baf0d793777a7970671bcb7e61bc0a2f37834e7edc320947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa92039d115471a6baf0d793777a7970671bcb7e61bc0a2f37834e7edc320947", kill_on_drop: false }`
[INFO] [stdout] fa92039d115471a6baf0d793777a7970671bcb7e61bc0a2f37834e7edc320947