[INFO] cloning repository https://github.com/replicadse/fmerge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/replicadse/fmerge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freplicadse%2Ffmerge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freplicadse%2Ffmerge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc28ecc815b5b3c9ec5289f57fe25615fd8acd91
[INFO] checking replicadse/fmerge against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freplicadse%2Ffmerge" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/replicadse/fmerge 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-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/replicadse/fmerge
[INFO] finished tweaking git repo https://github.com/replicadse/fmerge
[INFO] tweaked toml for git repo https://github.com/replicadse/fmerge written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/replicadse/fmerge 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] warning: unused manifest key: dev
[INFO] [stderr] warning: unused manifest key: release
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_mangen v0.2.9
[INFO] [stderr]   Downloaded clap-markdown v0.1.3
[INFO] [stderr]   Downloaded clap_complete v4.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1c200d1cbd267883c5aebddfec15974fd085b72079221ee7ddd8424fe1e4e2a8
[INFO] running `Command { std: "docker" "start" "-a" "1c200d1cbd267883c5aebddfec15974fd085b72079221ee7ddd8424fe1e4e2a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c200d1cbd267883c5aebddfec15974fd085b72079221ee7ddd8424fe1e4e2a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c200d1cbd267883c5aebddfec15974fd085b72079221ee7ddd8424fe1e4e2a8", kill_on_drop: false }`
[INFO] [stdout] 1c200d1cbd267883c5aebddfec15974fd085b72079221ee7ddd8424fe1e4e2a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 65a32c5750c7c4b3fef1b34da2b131ba02e83e0b997310f07ebf7cdbb8ae11f4
[INFO] running `Command { std: "docker" "start" "-a" "65a32c5750c7c4b3fef1b34da2b131ba02e83e0b997310f07ebf7cdbb8ae11f4", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dev
[INFO] [stderr] warning: unused manifest key: release
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]     Checking clap_lex v0.3.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling envmnt v0.8.4
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling ci_info v0.10.2
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking roff v0.2.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking is-terminal v0.4.4
[INFO] [stderr]     Checking clap v4.1.8
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]     Checking fancy-regex v0.11.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling rusty-hook v0.11.2
[INFO] [stderr]     Checking clap_mangen v0.2.9
[INFO] [stderr]     Checking clap-markdown v0.1.3
[INFO] [stderr]     Checking clap_complete v4.1.4
[INFO] [stderr]     Checking fmerge v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/args.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         result::Result,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Result` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/args.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         result::Result,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Result` is already defined here
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.44s
[INFO] running `Command { std: "docker" "inspect" "65a32c5750c7c4b3fef1b34da2b131ba02e83e0b997310f07ebf7cdbb8ae11f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a32c5750c7c4b3fef1b34da2b131ba02e83e0b997310f07ebf7cdbb8ae11f4", kill_on_drop: false }`
[INFO] [stdout] 65a32c5750c7c4b3fef1b34da2b131ba02e83e0b997310f07ebf7cdbb8ae11f4
[INFO] checking replicadse/fmerge against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freplicadse%2Ffmerge" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/replicadse/fmerge 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-2-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/replicadse/fmerge
[INFO] finished tweaking git repo https://github.com/replicadse/fmerge
[INFO] tweaked toml for git repo https://github.com/replicadse/fmerge written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/replicadse/fmerge 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] [stderr] warning: unused manifest key: dev
[INFO] [stderr] warning: unused manifest key: release
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 64a3c3c8692c6bdde395a6f585a259871e6e47957c2245e9abbc779d5d511854
[INFO] running `Command { std: "docker" "start" "-a" "64a3c3c8692c6bdde395a6f585a259871e6e47957c2245e9abbc779d5d511854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64a3c3c8692c6bdde395a6f585a259871e6e47957c2245e9abbc779d5d511854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a3c3c8692c6bdde395a6f585a259871e6e47957c2245e9abbc779d5d511854", kill_on_drop: false }`
[INFO] [stdout] 64a3c3c8692c6bdde395a6f585a259871e6e47957c2245e9abbc779d5d511854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3b99ba335594674bc4996a9085a397bb94c00169a8c50605d9c1ea229ba6aeb4
[INFO] running `Command { std: "docker" "start" "-a" "3b99ba335594674bc4996a9085a397bb94c00169a8c50605d9c1ea229ba6aeb4", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dev
[INFO] [stderr] warning: unused manifest key: release
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]     Checking clap_lex v0.3.2
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling envmnt v0.8.4
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling ci_info v0.10.2
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking roff v0.2.1
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking is-terminal v0.4.4
[INFO] [stderr]     Checking clap v4.1.8
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.7.3/src/exec.rs:848:13
[INFO] [stdout]     |
[INFO] [stdout] 848 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 849 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 850 | |                 self.cache.value(),
[INFO] [stdout] 851 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 862 | |                 Quit => return Some(Quit),
[INFO] [stdout] 863 | |             };
[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" "3b99ba335594674bc4996a9085a397bb94c00169a8c50605d9c1ea229ba6aeb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b99ba335594674bc4996a9085a397bb94c00169a8c50605d9c1ea229ba6aeb4", kill_on_drop: false }`
[INFO] [stdout] 3b99ba335594674bc4996a9085a397bb94c00169a8c50605d9c1ea229ba6aeb4