[INFO] fetching crate rust_list 0.2.0...
[INFO] testing rust_list-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rust_list 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rust_list 0.2.0
[INFO] finished tweaking crates.io crate rust_list 0.2.0
[INFO] tweaked toml for crates.io crate rust_list 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_list 0.2.0 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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1ff9c7bee68f6e0dffe1c2d43fc20a0623997d5bf42a82ad9fd33b011f989c44
[INFO] running `Command { std: "docker" "start" "-a" "1ff9c7bee68f6e0dffe1c2d43fc20a0623997d5bf42a82ad9fd33b011f989c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ff9c7bee68f6e0dffe1c2d43fc20a0623997d5bf42a82ad9fd33b011f989c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff9c7bee68f6e0dffe1c2d43fc20a0623997d5bf42a82ad9fd33b011f989c44", kill_on_drop: false }`
[INFO] [stdout] 1ff9c7bee68f6e0dffe1c2d43fc20a0623997d5bf42a82ad9fd33b011f989c44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 088ff7bf8895f085f7364bc30cf438cc1dc7e9e81650462ce363aa4f14fadd10
[INFO] running `Command { std: "docker" "start" "-a" "088ff7bf8895f085f7364bc30cf438cc1dc7e9e81650462ce363aa4f14fadd10", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_list v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "088ff7bf8895f085f7364bc30cf438cc1dc7e9e81650462ce363aa4f14fadd10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "088ff7bf8895f085f7364bc30cf438cc1dc7e9e81650462ce363aa4f14fadd10", kill_on_drop: false }`
[INFO] [stdout] 088ff7bf8895f085f7364bc30cf438cc1dc7e9e81650462ce363aa4f14fadd10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 626d264afb55ca26154940ad7763b8abfde70744321f375cb1f5f2e8666a7182
[INFO] running `Command { std: "docker" "start" "-a" "626d264afb55ca26154940ad7763b8abfde70744321f375cb1f5f2e8666a7182", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_list v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "626d264afb55ca26154940ad7763b8abfde70744321f375cb1f5f2e8666a7182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "626d264afb55ca26154940ad7763b8abfde70744321f375cb1f5f2e8666a7182", kill_on_drop: false }`
[INFO] [stdout] 626d264afb55ca26154940ad7763b8abfde70744321f375cb1f5f2e8666a7182
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3242abe75f779a90764bcfeeec353f942f18dfe1be69fdd72aa7c792ec066cab
[INFO] running `Command { std: "docker" "start" "-a" "3242abe75f779a90764bcfeeec353f942f18dfe1be69fdd72aa7c792ec066cab", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_list-1e32d00918840183)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::append ... ok
[INFO] [stdout] test tests::borrow_rev ... ok
[INFO] [stdout] test tests::construction ... ok
[INFO] [stdout] test tests::display ... ok
[INFO] [stdout] test tests::filter ... ok
[INFO] [stdout] test tests::for_loop ... ok
[INFO] [stdout] test tests::fold ... ok
[INFO] [stdout] test tests::from_iter ... ok
[INFO] [stdout] test tests::into_iter ... ok
[INFO] [stdout] test tests::into_rev ... ok
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::len ... ok
[INFO] [stdout] test tests::macro_empty ... ok
[INFO] [stdout] test tests::macro_multiple ... ok
[INFO] [stdout] test tests::macro_singleton ... ok
[INFO] [stdout] test tests::map ... ok
[INFO] [stdout] test tests::pop ... ok
[INFO] [stdout] test tests::rfold ... ok
[INFO] [stdout] test tests::push ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_list
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/lib.rs - List<T>::borrow_rev (line 269) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::new (line 240) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::last (line 317) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::append (line 387) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::len (line 302) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::is_empty (line 285) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::push (line 341) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::into_rev (line 253) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::reverse (line 411) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::pop (line 361) ... ok
[INFO] [stdout] test src/lib.rs - list_rev (line 100) ... ok
[INFO] [stdout] test src/lib.rs - cons (line 225) ... ok
[INFO] [stdout] test src/lib.rs - List<T>::rfold (line 429) ... ok
[INFO] [stdout] test src/lib.rs - list (line 73) ... ok
[INFO] [stdout] test src/lib.rs - nil (line 210) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3242abe75f779a90764bcfeeec353f942f18dfe1be69fdd72aa7c792ec066cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3242abe75f779a90764bcfeeec353f942f18dfe1be69fdd72aa7c792ec066cab", kill_on_drop: false }`
[INFO] [stdout] 3242abe75f779a90764bcfeeec353f942f18dfe1be69fdd72aa7c792ec066cab