[INFO] fetching crate helper 4.0.0...
[INFO] testing helper-4.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate helper 4.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate helper 4.0.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate helper 4.0.0
[INFO] tweaked toml for crates.io crate helper 4.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate helper 4.0.0 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 helper 4.0.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 300ca894fcd5a2be79e5caf9190f89f82f6255267f5736975d1d7db32b3ebb64
[INFO] running `Command { std: "docker" "start" "-a" "300ca894fcd5a2be79e5caf9190f89f82f6255267f5736975d1d7db32b3ebb64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "300ca894fcd5a2be79e5caf9190f89f82f6255267f5736975d1d7db32b3ebb64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "300ca894fcd5a2be79e5caf9190f89f82f6255267f5736975d1d7db32b3ebb64", kill_on_drop: false }`
[INFO] [stdout] 300ca894fcd5a2be79e5caf9190f89f82f6255267f5736975d1d7db32b3ebb64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4ef3a53dcace1c2dfac03273e515d3389073f21345844ddf610e8801244156b6
[INFO] running `Command { std: "docker" "start" "-a" "4ef3a53dcace1c2dfac03273e515d3389073f21345844ddf610e8801244156b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling helper v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "4ef3a53dcace1c2dfac03273e515d3389073f21345844ddf610e8801244156b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ef3a53dcace1c2dfac03273e515d3389073f21345844ddf610e8801244156b6", kill_on_drop: false }`
[INFO] [stdout] 4ef3a53dcace1c2dfac03273e515d3389073f21345844ddf610e8801244156b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 347d6f12a04c7984cf5cca60fe12fa2ba41188d1a4827103a59fbe01eabfecc0
[INFO] running `Command { std: "docker" "start" "-a" "347d6f12a04c7984cf5cca60fe12fa2ba41188d1a4827103a59fbe01eabfecc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling helper v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "347d6f12a04c7984cf5cca60fe12fa2ba41188d1a4827103a59fbe01eabfecc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "347d6f12a04c7984cf5cca60fe12fa2ba41188d1a4827103a59fbe01eabfecc0", kill_on_drop: false }`
[INFO] [stdout] 347d6f12a04c7984cf5cca60fe12fa2ba41188d1a4827103a59fbe01eabfecc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d1edb0fec754f0fa77ef5c8c9a10a307aa6e51b168281eb490d579a0630fbf74
[INFO] running `Command { std: "docker" "start" "-a" "d1edb0fec754f0fa77ef5c8c9a10a307aa6e51b168281eb490d579a0630fbf74", 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/helper-6121420556c9b743)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test collections::tests::test_btmap ... ok
[INFO] [stdout] test collections::tests::test_hmap ... ok
[INFO] [stdout] test collections::tests::test_hset ... ok
[INFO] [stdout] test control::tests::test_either ... ok
[INFO] [stdout] test types::tests::test_type_cast ... ok
[INFO] [stdout] test collections::tests::test_btset ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/btmap.rs (/opt/rustwide/target/debug/deps/btmap-f42938babac5d1a0)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_btmap_0 ... ok
[INFO] [stdout] test test_btmap_1 ... ok
[INFO] [stdout] test test_btmap_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/btset.rs (/opt/rustwide/target/debug/deps/btset-0749260bb3714c87)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/either.rs (/opt/rustwide/target/debug/deps/either-8ba81c666b1c5eb6)
[INFO] [stdout] test test_btset_0 ... ok
[INFO] [stdout] test test_btset_1 ... 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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_if_1 ... ok
[INFO] [stdout] test test_if_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/hmap.rs (/opt/rustwide/target/debug/deps/hmap-c322a1557281990b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_hmap_2 ... ok
[INFO] [stdout] test test_hmap_1 ... ok
[INFO] [stdout] test test_hmap_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/hset.rs (/opt/rustwide/target/debug/deps/hset-4551830a91ea0a8f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_hset_0 ... ok
[INFO] [stdout] test test_hset_1 ... 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/types.rs (/opt/rustwide/target/debug/deps/types-fcb9df642ea61714)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test test_chained_conversions ... ok
[INFO] [stdout] test test_complex_expressions ... ok
[INFO] [stdout] test test_f32_conversion ... ok
[INFO] [stdout] test test_f64_conversion ... ok
[INFO] [stdout] test test_i128_conversion ... ok
[INFO] [stdout] test test_i32_conversion ... ok
[INFO] [stdout] test test_i64_conversion ... ok
[INFO] [stdout] test test_isize_conversion ... ok
[INFO] [stdout] test test_i8_conversion ... ok
[INFO] [stdout] test test_u128_conversion ... ok
[INFO] [stdout] test test_u32_conversion ... ok
[INFO] [stdout] test test_u16_conversion ... ok
[INFO] [stdout] test test_u64_conversion ... ok
[INFO] [stdout] test test_u8_conversion ... ok
[INFO] [stdout] test test_i16_conversion ... ok
[INFO] [stdout] test test_usize_conversion ... ok
[INFO] [stdout] test test_char_conversion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests helper
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/lib.rs - bool (line 333) ... ok
[INFO] [stdout] test src/lib.rs - i64 (line 243) ... ok
[INFO] [stdout] test src/lib.rs - i128 (line 258) ... ok
[INFO] [stdout] test src/lib.rs - f64 (line 303) ... ok
[INFO] [stdout] test src/lib.rs - either (line 27) ... ok
[INFO] [stdout] test src/lib.rs - i8 (line 198) ... ok
[INFO] [stdout] test src/lib.rs - (line 57) ... ok
[INFO] [stdout] test src/lib.rs - i32 (line 228) ... ok
[INFO] [stdout] test src/lib.rs - i16 (line 213) ... ok
[INFO] [stdout] test src/lib.rs - f32 (line 288) ... ok
[INFO] [stdout] test src/lib.rs - u128 (line 168) ... ok
[INFO] [stdout] test src/lib.rs - char (line 318) ... ok
[INFO] [stdout] test src/lib.rs - u8 (line 108) ... ok
[INFO] [stdout] test src/lib.rs - u32 (line 138) ... ok
[INFO] [stdout] test src/lib.rs - btset (line 91) ... ok
[INFO] [stdout] test src/lib.rs - usize (line 183) ... ok
[INFO] [stdout] test src/lib.rs - btmap (line 58) ... ok
[INFO] [stdout] test src/lib.rs - hset (line 76) ... ok
[INFO] [stdout] test src/lib.rs - u64 (line 153) ... ok
[INFO] [stdout] test src/lib.rs - (line 77) ... ok
[INFO] [stdout] test src/lib.rs - isize (line 273) ... ok
[INFO] [stdout] test src/lib.rs - hmap (line 40) ... ok
[INFO] [stdout] test src/lib.rs - u16 (line 123) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d1edb0fec754f0fa77ef5c8c9a10a307aa6e51b168281eb490d579a0630fbf74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1edb0fec754f0fa77ef5c8c9a10a307aa6e51b168281eb490d579a0630fbf74", kill_on_drop: false }`
[INFO] [stdout] d1edb0fec754f0fa77ef5c8c9a10a307aa6e51b168281eb490d579a0630fbf74