[INFO] fetching crate iter_tools 0.39.0...
[INFO] testing iter_tools-0.39.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate iter_tools 0.39.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate iter_tools 0.39.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate iter_tools 0.39.0
[INFO] tweaked toml for crates.io crate iter_tools 0.39.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iter_tools 0.39.0 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] crate crates.io crate iter_tools 0.39.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test_tools v0.16.0
[INFO] [stderr]   Downloaded toml_parser v1.0.2
[INFO] [stderr]   Downloaded implements v0.13.0
[INFO] [stderr]   Downloaded clone_dyn_types v0.40.0
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded diff v0.1.13
[INFO] [stderr]   Downloaded yansi v1.0.1
[INFO] [stderr]   Downloaded pretty_assertions v1.4.1
[INFO] [stderr]   Downloaded anyhow v1.0.99
[INFO] [stderr]   Downloaded indexmap v2.11.0
[INFO] [stderr]   Downloaded dissimilar v1.0.10
[INFO] [stderr]   Downloaded serde_json v1.0.143
[INFO] [stderr]   Downloaded winapi-util v0.1.10
[INFO] [stderr]   Downloaded serde_spanned v1.0.0
[INFO] [stderr]   Downloaded trybuild v1.0.110
[INFO] [stderr]   Downloaded diagnostics_tools v0.11.0
[INFO] [stderr]   Downloaded error_tools v0.22.0
[INFO] [stderr]   Downloaded impls_index v0.11.0
[INFO] [stderr]   Downloaded mem_tools v0.9.0
[INFO] [stderr]   Downloaded toml_datetime v0.7.0
[INFO] [stderr]   Downloaded toml_writer v1.0.2
[INFO] [stderr]   Downloaded collection_tools v0.18.0
[INFO] [stderr]   Downloaded impls_index_meta v0.13.0
[INFO] [stderr]   Downloaded target-triple v0.1.4
[INFO] [stderr]   Downloaded toml v0.9.5
[INFO] [stderr]   Downloaded is_slice v0.14.0
[INFO] [stderr]   Downloaded typing_tools v0.11.0
[INFO] [stderr]   Downloaded inspect_type v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2f395157ae1185efc76eaedef950cf17d3511db19bc07aca40fb533058ca0320
[INFO] running `Command { std: "docker" "start" "-a" "2f395157ae1185efc76eaedef950cf17d3511db19bc07aca40fb533058ca0320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f395157ae1185efc76eaedef950cf17d3511db19bc07aca40fb533058ca0320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f395157ae1185efc76eaedef950cf17d3511db19bc07aca40fb533058ca0320", kill_on_drop: false }`
[INFO] [stdout] 2f395157ae1185efc76eaedef950cf17d3511db19bc07aca40fb533058ca0320
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 84be08961c1b15d66dd9ac2984abc2be54d7e4a33c1c1da2ce1e2900c0341210
[INFO] running `Command { std: "docker" "start" "-a" "84be08961c1b15d66dd9ac2984abc2be54d7e4a33c1c1da2ce1e2900c0341210", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling clone_dyn_types v0.40.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling iter_tools v0.39.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "84be08961c1b15d66dd9ac2984abc2be54d7e4a33c1c1da2ce1e2900c0341210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84be08961c1b15d66dd9ac2984abc2be54d7e4a33c1c1da2ce1e2900c0341210", kill_on_drop: false }`
[INFO] [stdout] 84be08961c1b15d66dd9ac2984abc2be54d7e4a33c1c1da2ce1e2900c0341210
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c53ddc457ad77a30b8500038f554428bc0652ec969f9f94d539d79bea3c3dae3
[INFO] running `Command { std: "docker" "start" "-a" "c53ddc457ad77a30b8500038f554428bc0652ec969f9f94d539d79bea3c3dae3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling toml_writer v1.0.2
[INFO] [stderr]    Compiling inspect_type v0.16.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling test_tools v0.16.0
[INFO] [stderr]    Compiling implements v0.13.0
[INFO] [stderr]    Compiling dissimilar v1.0.10
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling toml_parser v1.0.2
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling is_slice v0.14.0
[INFO] [stderr]    Compiling typing_tools v0.11.0
[INFO] [stderr]    Compiling diagnostics_tools v0.11.0
[INFO] [stderr]    Compiling mem_tools v0.9.0
[INFO] [stderr]    Compiling collection_tools v0.18.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling toml_datetime v0.7.0
[INFO] [stderr]    Compiling serde_spanned v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling impls_index_meta v0.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling toml v0.9.5
[INFO] [stderr]    Compiling impls_index v0.11.0
[INFO] [stderr]    Compiling error_tools v0.22.0
[INFO] [stderr]    Compiling trybuild v1.0.110
[INFO] [stderr]    Compiling iter_tools v0.39.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 33.21s
[INFO] running `Command { std: "docker" "inspect" "c53ddc457ad77a30b8500038f554428bc0652ec969f9f94d539d79bea3c3dae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53ddc457ad77a30b8500038f554428bc0652ec969f9f94d539d79bea3c3dae3", kill_on_drop: false }`
[INFO] [stdout] c53ddc457ad77a30b8500038f554428bc0652ec969f9f94d539d79bea3c3dae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 36c51b3bbd084bdd3decaeb72629cd97f772556788298bd0a5ee6030806a4eb7
[INFO] running `Command { std: "docker" "start" "-a" "36c51b3bbd084bdd3decaeb72629cd97f772556788298bd0a5ee6030806a4eb7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iter_tools-63a6a70d44593c74)
[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]      Running tests/smoke_test.rs (/opt/rustwide/target/debug/deps/smoke_test-d79e0c10c8f9d940)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test local_smoke_test ... ok
[INFO] [stdout] test published_smoke_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-03ac00e13753b619)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test inc::basic_test::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iter_tools
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/iter.rs - iter::private::_IterTrait (line 22) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "36c51b3bbd084bdd3decaeb72629cd97f772556788298bd0a5ee6030806a4eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c51b3bbd084bdd3decaeb72629cd97f772556788298bd0a5ee6030806a4eb7", kill_on_drop: false }`
[INFO] [stdout] 36c51b3bbd084bdd3decaeb72629cd97f772556788298bd0a5ee6030806a4eb7