[INFO] fetching crate strs_tools 0.3.0...
[INFO] checking strs_tools-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate strs_tools 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate strs_tools 0.3.0 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 strs_tools 0.3.0
[INFO] finished tweaking crates.io crate strs_tools 0.3.0
[INFO] tweaked toml for crates.io crate strs_tools 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate strs_tools 0.3.0 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 basic-toml v0.1.4
[INFO] [stderr]   Downloaded iter_tools v0.4.0
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[INFO] [stderr]   Downloaded derive_tools_meta v0.2.0
[INFO] [stderr]   Downloaded implements v0.3.0
[INFO] [stderr]   Downloaded mod_interface v0.4.0
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[INFO] [stderr]   Downloaded derive_tools v0.2.0
[INFO] [stderr]   Downloaded inspect_type v0.4.0
[INFO] [stderr]   Downloaded is_slice v0.3.0
[INFO] [stderr]   Downloaded typing_tools v0.2.0
[INFO] [stderr]   Downloaded test_tools v0.4.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42b6e80fccdebe06715d83f221db9146fa4643c4e23fa19bf176e4bdf0e24504
[INFO] running `Command { std: "docker" "start" "-a" "42b6e80fccdebe06715d83f221db9146fa4643c4e23fa19bf176e4bdf0e24504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42b6e80fccdebe06715d83f221db9146fa4643c4e23fa19bf176e4bdf0e24504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b6e80fccdebe06715d83f221db9146fa4643c4e23fa19bf176e4bdf0e24504", kill_on_drop: false }`
[INFO] [stdout] 42b6e80fccdebe06715d83f221db9146fa4643c4e23fa19bf176e4bdf0e24504
[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=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] 51f4dacaac2dedeaf82e0b498d5649dee1b3cdd8bc5cdf0ce9b64ea8ffad10ae
[INFO] running `Command { std: "docker" "start" "-a" "51f4dacaac2dedeaf82e0b498d5649dee1b3cdd8bc5cdf0ce9b64ea8ffad10ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling interval_adapter v0.2.3
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]    Compiling trybuild v1.0.85
[INFO] [stderr]     Checking is_slice v0.3.0
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking literally v0.1.3
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]     Checking type_constructor v0.1.19
[INFO] [stderr]     Checking implements v0.3.0
[INFO] [stderr]     Checking inspect_type v0.4.0
[INFO] [stderr]     Checking dissimilar v1.0.7
[INFO] [stderr]     Checking pretty_assertions v1.2.1
[INFO] [stderr]     Checking for_each v0.3.0
[INFO] [stderr]     Checking winterval v0.1.5
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking typing_tools v0.2.0
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[INFO] [stderr]     Checking data_type v0.1.9
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]    Compiling test_tools v0.4.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking lexical v6.1.1
[INFO] [stderr]    Compiling iter_tools v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking basic-toml v0.1.4
[INFO] [stderr]    Compiling macro_tools v0.2.0
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[INFO] [stderr]    Compiling derive_tools_meta v0.2.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling impls_index_meta v0.2.0
[INFO] [stderr]    Compiling former_meta v0.2.0
[INFO] [stderr]     Checking impls_index v0.2.0
[INFO] [stderr]     Checking former v0.2.0
[INFO] [stderr]     Checking strs_tools v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling derive_tools v0.2.0
[INFO] [stderr]    Compiling mod_interface_meta v0.3.0
[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 6.14s
[INFO] running `Command { std: "docker" "inspect" "51f4dacaac2dedeaf82e0b498d5649dee1b3cdd8bc5cdf0ce9b64ea8ffad10ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f4dacaac2dedeaf82e0b498d5649dee1b3cdd8bc5cdf0ce9b64ea8ffad10ae", kill_on_drop: false }`
[INFO] [stdout] 51f4dacaac2dedeaf82e0b498d5649dee1b3cdd8bc5cdf0ce9b64ea8ffad10ae
[INFO] checking strs_tools-0.3.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate strs_tools 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate strs_tools 0.3.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate strs_tools 0.3.0
[INFO] finished tweaking crates.io crate strs_tools 0.3.0
[INFO] tweaked toml for crates.io crate strs_tools 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate strs_tools 0.3.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80962cb24d0b83f591a188e7ff86ed066f45e0d3fa25292a66dffd2787f2909f
[INFO] running `Command { std: "docker" "start" "-a" "80962cb24d0b83f591a188e7ff86ed066f45e0d3fa25292a66dffd2787f2909f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80962cb24d0b83f591a188e7ff86ed066f45e0d3fa25292a66dffd2787f2909f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80962cb24d0b83f591a188e7ff86ed066f45e0d3fa25292a66dffd2787f2909f", kill_on_drop: false }`
[INFO] [stdout] 80962cb24d0b83f591a188e7ff86ed066f45e0d3fa25292a66dffd2787f2909f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2aa8ea6304b9e890e493cbcd92b1cfb6bba5893648d7c364484620411e3c82ea
[INFO] running `Command { std: "docker" "start" "-a" "2aa8ea6304b9e890e493cbcd92b1cfb6bba5893648d7c364484620411e3c82ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling interval_adapter v0.2.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling trybuild v1.0.85
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking winterval v0.1.5
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]     Checking dissimilar v1.0.7
[INFO] [stderr]     Checking literally v0.1.3
[INFO] [stderr]     Checking pretty_assertions v1.2.1
[INFO] [stderr]     Checking is_slice v0.3.0
[INFO] [stderr]     Checking inspect_type v0.4.0
[INFO] [stderr]     Checking type_constructor v0.1.19
[INFO] [stderr]     Checking for_each v0.3.0
[INFO] [stderr]     Checking implements v0.3.0
[INFO] [stderr]     Checking diagnostics_tools v0.2.0
[INFO] [stderr]     Checking mem_tools v0.1.1
[INFO] [stderr]     Checking typing_tools v0.2.0
[INFO] [stderr]     Checking data_type v0.1.9
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/lexical-parse-integer-0.8.6/src/shared.rs:368:13
[INFO] [stdout]     |
[INFO] [stdout] 368 | /             match iter.peek().map(|&c| char_to_digit_const(c, format.radix())) {
[INFO] [stdout] 369 | |                 // Valid digit, we have an invalid value.
[INFO] [stdout] 370 | |                 Some(Some(_)) => return into_error!(InvalidLeadingZeros, index),
[INFO] [stdout] 371 | |                 // Either not a digit that follows, or nothing follows.
[INFO] [stdout] 372 | |                 _ => return $into_ok!(<$t>::ZERO, index),
[INFO] [stdout] 373 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/lexical-parse-integer-0.8.6/src/algorithm.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |       algorithm!(bytes, FORMAT, T, Unsigned, parse_digits, invalid_digit_complete, into_ok_complete)
[INFO] [stdout]     |       ---------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `algorithm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling test_tools v0.4.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lexical-parse-integer` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2aa8ea6304b9e890e493cbcd92b1cfb6bba5893648d7c364484620411e3c82ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa8ea6304b9e890e493cbcd92b1cfb6bba5893648d7c364484620411e3c82ea", kill_on_drop: false }`
[INFO] [stdout] 2aa8ea6304b9e890e493cbcd92b1cfb6bba5893648d7c364484620411e3c82ea