[INFO] fetching crate crates_tools 0.2.0...
[INFO] checking crates_tools-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate crates_tools 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate crates_tools 0.2.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crates_tools 0.2.0
[INFO] finished tweaking crates.io crate crates_tools 0.2.0
[INFO] tweaked toml for crates.io crate crates_tools 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate crates_tools 0.2.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded webpki v0.22.2
[INFO] [stderr]   Downloaded chunked_transfer v1.4.1
[INFO] [stderr]   Downloaded rustls-webpki v0.101.6
[INFO] [stderr]   Downloaded diagnostics_tools v0.3.0
[INFO] [stderr]   Downloaded error_tools v0.4.0
[INFO] [stderr]   Downloaded for_each v0.3.0
[INFO] [stderr]   Downloaded impls_index_meta v0.2.0
[INFO] [stderr]   Downloaded impls_index v0.2.0
[INFO] [stderr]   Downloaded literally v0.1.3
[INFO] [stderr]   Downloaded type_constructor v0.1.19
[INFO] [stderr]   Downloaded winterval v0.1.5
[INFO] [stderr]   Downloaded data_type v0.1.9
[INFO] [stderr]   Downloaded mem_tools v0.1.1
[INFO] [stderr]   Downloaded is_slice v0.4.0
[INFO] [stderr]   Downloaded derive_tools v0.2.0
[INFO] [stderr]   Downloaded test_tools v0.5.0
[INFO] [stderr]   Downloaded typing_tools v0.3.0
[INFO] [stderr]   Downloaded rustls v0.21.7
[INFO] [stderr]   Downloaded derive_tools_meta v0.2.0
[INFO] [stderr]   Downloaded interval_adapter v0.2.3
[INFO] [stderr]   Downloaded macro_tools v0.2.0
[INFO] [stderr]   Downloaded mod_interface_meta v0.3.0
[INFO] [stderr]   Downloaded mod_interface v0.4.0
[INFO] [stderr]   Downloaded meta_tools v0.5.0
[INFO] [stderr]   Downloaded basic-toml v0.1.4
[INFO] [stderr]   Downloaded dissimilar v1.0.7
[INFO] [stderr]   Downloaded termcolor v1.3.0
[INFO] [stderr]   Downloaded trybuild v1.0.85
[INFO] [stderr]   Downloaded implements v0.3.0
[INFO] [stderr]   Downloaded inspect_type v0.5.0
[INFO] [stderr]   Downloaded ureq v2.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 425724ebce85c54094d2c9e2dd22f01f67003a953d1a43a35ed05bf05887cdd2
[INFO] running `Command { std: "docker" "start" "-a" "425724ebce85c54094d2c9e2dd22f01f67003a953d1a43a35ed05bf05887cdd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "425724ebce85c54094d2c9e2dd22f01f67003a953d1a43a35ed05bf05887cdd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425724ebce85c54094d2c9e2dd22f01f67003a953d1a43a35ed05bf05887cdd2", kill_on_drop: false }`
[INFO] [stdout] 425724ebce85c54094d2c9e2dd22f01f67003a953d1a43a35ed05bf05887cdd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad8afbbfe0028d7a446ba223b5ad313758d9a5b5b4dd8b2effe3f7b4f44a3c6c
[INFO] running `Command { std: "docker" "start" "-a" "ad8afbbfe0028d7a446ba223b5ad313758d9a5b5b4dd8b2effe3f7b4f44a3c6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]    Compiling interval_adapter v0.2.3
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling trybuild v1.0.85
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking xattr v1.0.1
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking type_constructor v0.1.19
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking literally v0.1.3
[INFO] [stderr]     Checking dissimilar v1.0.7
[INFO] [stderr]    Compiling inspect_type v0.5.0
[INFO] [stderr]    Compiling test_tools v0.5.0
[INFO] [stderr]     Checking implements v0.3.0
[INFO] [stderr]     Checking winterval v0.1.5
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking is_slice v0.4.0
[INFO] [stderr]     Checking for_each v0.3.0
[INFO] [stderr]     Checking chunked_transfer v1.4.1
[INFO] [stderr]     Checking data_type v0.1.9
[INFO] [stderr]     Checking tar v0.4.40
[INFO] [stderr]     Checking diagnostics_tools v0.3.0
[INFO] [stderr]     Checking mem_tools v0.1.1
[INFO] [stderr]     Checking typing_tools v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking basic-toml v0.1.4
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki v0.22.2
[INFO] [stderr]     Checking rustls-webpki v0.101.6
[INFO] [stderr]    Compiling macro_tools v0.2.0
[INFO] [stderr]     Checking webpki-roots v0.22.6
[INFO] [stderr]     Checking thiserror v1.0.49
[INFO] [stderr]     Checking error_tools v0.4.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling derive_tools_meta v0.2.0
[INFO] [stderr]    Compiling impls_index_meta v0.2.0
[INFO] [stderr]     Checking impls_index v0.2.0
[INFO] [stderr]    Compiling derive_tools v0.2.0
[INFO] [stderr]    Compiling mod_interface_meta v0.3.0
[INFO] [stderr]     Checking ureq v2.4.0
[INFO] [stderr]     Checking crates_tools v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking mod_interface v0.4.0
[INFO] [stderr]     Checking meta_tools v0.5.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.91s
[INFO] running `Command { std: "docker" "inspect" "ad8afbbfe0028d7a446ba223b5ad313758d9a5b5b4dd8b2effe3f7b4f44a3c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad8afbbfe0028d7a446ba223b5ad313758d9a5b5b4dd8b2effe3f7b4f44a3c6c", kill_on_drop: false }`
[INFO] [stdout] ad8afbbfe0028d7a446ba223b5ad313758d9a5b5b4dd8b2effe3f7b4f44a3c6c