[INFO] fetching crate in-place 0.1.0...
[INFO] checking in-place-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate in-place 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate in-place 0.1.0 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] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate in-place 0.1.0
[INFO] finished tweaking crates.io crate in-place 0.1.0
[INFO] tweaked toml for crates.io crate in-place 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate in-place 0.1.0 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 tmp_env v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 352b5319af612658844bbe68269c909de64f85e3e119928641e1bfaf42dc467b
[INFO] running `Command { std: "docker" "start" "-a" "352b5319af612658844bbe68269c909de64f85e3e119928641e1bfaf42dc467b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "352b5319af612658844bbe68269c909de64f85e3e119928641e1bfaf42dc467b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "352b5319af612658844bbe68269c909de64f85e3e119928641e1bfaf42dc467b", kill_on_drop: false }`
[INFO] [stdout] 352b5319af612658844bbe68269c909de64f85e3e119928641e1bfaf42dc467b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 29a0bcdeae82c2cf8a024f296fee40fbc11bbef236bd5cc53de8abc157f40f2f
[INFO] running `Command { std: "docker" "start" "-a" "29a0bcdeae82c2cf8a024f296fee40fbc11bbef236bd5cc53de8abc157f40f2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking linux-raw-sys v0.3.7
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking bstr v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex v1.8.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking globset v0.4.10
[INFO] [stderr]     Checking tmp_env v0.1.1
[INFO] [stderr]     Checking ignore v0.4.20
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking tempfile v3.5.0
[INFO] [stderr]     Checking assert_fs v1.0.13
[INFO] [stderr]     Checking in-place v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `io` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `io` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 5 | use std::io::{self, BufRead, BufReader, BufWriter, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "29a0bcdeae82c2cf8a024f296fee40fbc11bbef236bd5cc53de8abc157f40f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29a0bcdeae82c2cf8a024f296fee40fbc11bbef236bd5cc53de8abc157f40f2f", kill_on_drop: false }`
[INFO] [stdout] 29a0bcdeae82c2cf8a024f296fee40fbc11bbef236bd5cc53de8abc157f40f2f
[INFO] checking in-place-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate in-place 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate in-place 0.1.0 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] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate in-place 0.1.0
[INFO] finished tweaking crates.io crate in-place 0.1.0
[INFO] tweaked toml for crates.io crate in-place 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate in-place 0.1.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 268eca49128de73e0a6503fec548c91190eb81b50b6306c7486d6b203fde0c63
[INFO] running `Command { std: "docker" "start" "-a" "268eca49128de73e0a6503fec548c91190eb81b50b6306c7486d6b203fde0c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "268eca49128de73e0a6503fec548c91190eb81b50b6306c7486d6b203fde0c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268eca49128de73e0a6503fec548c91190eb81b50b6306c7486d6b203fde0c63", kill_on_drop: false }`
[INFO] [stdout] 268eca49128de73e0a6503fec548c91190eb81b50b6306c7486d6b203fde0c63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bd1f431921f0aca544039c2fbef5b6deeae0b16c902fd8f01563b5a0c6bd1f22
[INFO] running `Command { std: "docker" "start" "-a" "bd1f431921f0aca544039c2fbef5b6deeae0b16c902fd8f01563b5a0c6bd1f22", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking linux-raw-sys v0.3.7
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking bstr v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex v1.8.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.8.1/src/exec.rs:899:13
[INFO] [stdout]     |
[INFO] [stdout] 899 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 900 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 901 | |                 self.cache.value(),
[INFO] [stdout] 902 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 913 | |                 Quit => return Some(Quit),
[INFO] [stdout] 914 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[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 `regex` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bd1f431921f0aca544039c2fbef5b6deeae0b16c902fd8f01563b5a0c6bd1f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd1f431921f0aca544039c2fbef5b6deeae0b16c902fd8f01563b5a0c6bd1f22", kill_on_drop: false }`
[INFO] [stdout] bd1f431921f0aca544039c2fbef5b6deeae0b16c902fd8f01563b5a0c6bd1f22