[INFO] fetching crate debug_unwraps 0.1.0...
[INFO] testing debug_unwraps-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate debug_unwraps 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate debug_unwraps 0.1.0
[INFO] finished tweaking crates.io crate debug_unwraps 0.1.0
[INFO] tweaked toml for crates.io crate debug_unwraps 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate debug_unwraps 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 981d9c5a625cc122dd5b46e7dc7ae264ad6cf6aeb3d7c3625fb6e32b135f3ec8
[INFO] running `Command { std: "docker" "start" "-a" "981d9c5a625cc122dd5b46e7dc7ae264ad6cf6aeb3d7c3625fb6e32b135f3ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "981d9c5a625cc122dd5b46e7dc7ae264ad6cf6aeb3d7c3625fb6e32b135f3ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981d9c5a625cc122dd5b46e7dc7ae264ad6cf6aeb3d7c3625fb6e32b135f3ec8", kill_on_drop: false }`
[INFO] [stdout] 981d9c5a625cc122dd5b46e7dc7ae264ad6cf6aeb3d7c3625fb6e32b135f3ec8
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcf1503a6623102d3149e038958ff5728365859e0c3f34d185ecb30ba1ec4100
[INFO] running `Command { std: "docker" "start" "-a" "bcf1503a6623102d3149e038958ff5728365859e0c3f34d185ecb30ba1ec4100", kill_on_drop: false }`
[INFO] [stderr]    Compiling debug_unwraps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "bcf1503a6623102d3149e038958ff5728365859e0c3f34d185ecb30ba1ec4100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf1503a6623102d3149e038958ff5728365859e0c3f34d185ecb30ba1ec4100", kill_on_drop: false }`
[INFO] [stdout] bcf1503a6623102d3149e038958ff5728365859e0c3f34d185ecb30ba1ec4100
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12f247d957fc0e4c472f13ca5045f3f57657d9a201b158f5c18c38c9a199e6f0
[INFO] running `Command { std: "docker" "start" "-a" "12f247d957fc0e4c472f13ca5045f3f57657d9a201b158f5c18c38c9a199e6f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling debug_unwraps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "12f247d957fc0e4c472f13ca5045f3f57657d9a201b158f5c18c38c9a199e6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f247d957fc0e4c472f13ca5045f3f57657d9a201b158f5c18c38c9a199e6f0", kill_on_drop: false }`
[INFO] [stdout] 12f247d957fc0e4c472f13ca5045f3f57657d9a201b158f5c18c38c9a199e6f0
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca735f76fa949cc44ee5416f406173447ca055d3ff0ee6be0951eec78bb27071
[INFO] running `Command { std: "docker" "start" "-a" "ca735f76fa949cc44ee5416f406173447ca055d3ff0ee6be0951eec78bb27071", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/debug_unwraps-10247d037aba24fd)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests debug_unwraps
[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 3 tests
[INFO] [stdout] test src/lib.rs - (line 17) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 131) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 90) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 17) stdout ----
[INFO] [stdout] error[E0560]: struct `NumTreeBuilder` has no field named `names`
[INFO] [stdout]   --> src/lib.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             names: vec![Vec::new()],
[INFO] [stdout]    |             ^^^^^ `NumTreeBuilder` does not have this field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `data`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0560`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 131) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `NumTreeBuilder` in this scope
[INFO] [stdout]  --> src/lib.rs:133:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl NumTreeBuilder {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 90) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `NumTreeBuilder` in this scope
[INFO] [stdout]  --> src/lib.rs:91:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl NumTreeBuilder {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 131)
[INFO] [stdout]     src/lib.rs - (line 17)
[INFO] [stdout]     src/lib.rs - (line 90)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "ca735f76fa949cc44ee5416f406173447ca055d3ff0ee6be0951eec78bb27071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca735f76fa949cc44ee5416f406173447ca055d3ff0ee6be0951eec78bb27071", kill_on_drop: false }`
[INFO] [stdout] ca735f76fa949cc44ee5416f406173447ca055d3ff0ee6be0951eec78bb27071