[INFO] cloning repository https://github.com/jackrizza/termdo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackrizza/termdo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackrizza%2Ftermdo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackrizza%2Ftermdo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4800729627e0cea4257a83bb18163948cb4d639d
[INFO] checking jackrizza/termdo against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackrizza%2Ftermdo" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackrizza/termdo 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 git repo https://github.com/jackrizza/termdo
[INFO] finished tweaking git repo https://github.com/jackrizza/termdo
[INFO] tweaked toml for git repo https://github.com/jackrizza/termdo written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jackrizza/termdo 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 matches v0.1.7
[INFO] [stderr]   Downloaded twox-hash v1.1.1
[INFO] [stderr]   Downloaded mysql v14.0.0
[INFO] [stderr]   Downloaded smallvec v0.6.4
[INFO] [stderr]   Downloaded url v1.7.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded rand v0.5.5
[INFO] [stderr]   Downloaded memchr v2.0.1
[INFO] [stderr]   Downloaded bufstream v0.1.3
[INFO] [stderr]   Downloaded atoi v0.2.3
[INFO] [stderr]   Downloaded miniz-sys v0.1.10
[INFO] [stderr]   Downloaded named_pipe v0.3.0
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded base64 v0.9.2
[INFO] [stderr]   Downloaded flate2 v1.0.2
[INFO] [stderr]   Downloaded chrono v0.4.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.2
[INFO] [stderr]   Downloaded regex v1.0.2
[INFO] [stderr]   Downloaded num-traits v0.2.5
[INFO] [stderr]   Downloaded num-bigint v0.2.0
[INFO] [stderr]   Downloaded typenum v1.10.0
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded mysql_common v0.8.0
[INFO] [stderr]   Downloaded nix v0.11.0
[INFO] [stderr]   Downloaded serde_json v1.0.24
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded unicode-normalization v0.1.7
[INFO] [stderr]   Downloaded serde v1.0.71
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded arrayref v0.3.4
[INFO] [stderr]   Downloaded itoa v0.4.2
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded byteorder v1.2.4
[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded digest v0.7.5
[INFO] [stderr]   Downloaded cfg-if v0.1.4
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded bit-vec v0.5.0
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[INFO] [stderr]   Downloaded sha2 v0.7.1
[INFO] [stderr]   Downloaded uuid v0.6.5
[INFO] [stderr]   Downloaded cc v1.0.18
[INFO] [stderr]   Downloaded aho-corasick v0.6.6
[INFO] [stderr]   Downloaded ucd-util v0.1.1
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded dtoa v0.4.3
[INFO] [stderr]   Downloaded generic-array v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 76eec41daab1b57cefc278e233c711954c8633f887508fad94830daf4da05e45
[INFO] running `Command { std: "docker" "start" "-a" "76eec41daab1b57cefc278e233c711954c8633f887508fad94830daf4da05e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76eec41daab1b57cefc278e233c711954c8633f887508fad94830daf4da05e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76eec41daab1b57cefc278e233c711954c8633f887508fad94830daf4da05e45", kill_on_drop: false }`
[INFO] [stdout] 76eec41daab1b57cefc278e233c711954c8633f887508fad94830daf4da05e45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6591ba5d756a2c640921c7d447017a158bb5bf2cb3e71bfaea751ba8b136edb1
[INFO] running `Command { std: "docker" "start" "-a" "6591ba5d756a2c640921c7d447017a158bb5bf2cb3e71bfaea751ba8b136edb1", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking matches v0.1.7
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking smallvec v0.6.4
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking bufstream v0.1.3
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking atoi v0.2.3
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking twox-hash v1.1.1
[INFO] [stderr]     Checking digest v0.7.5
[INFO] [stderr]     Checking chrono v0.4.5
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]     Checking mysql_common v0.8.0
[INFO] [stderr]     Checking mysql v14.0.0
[INFO] [stderr]     Checking struct-todo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.88s
[INFO] running `Command { std: "docker" "inspect" "6591ba5d756a2c640921c7d447017a158bb5bf2cb3e71bfaea751ba8b136edb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6591ba5d756a2c640921c7d447017a158bb5bf2cb3e71bfaea751ba8b136edb1", kill_on_drop: false }`
[INFO] [stdout] 6591ba5d756a2c640921c7d447017a158bb5bf2cb3e71bfaea751ba8b136edb1
[INFO] checking jackrizza/termdo against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackrizza%2Ftermdo" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackrizza/termdo 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 git repo https://github.com/jackrizza/termdo
[INFO] finished tweaking git repo https://github.com/jackrizza/termdo
[INFO] tweaked toml for git repo https://github.com/jackrizza/termdo written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jackrizza/termdo 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6f12a3b5a5d43886e6c58e3a2ba5e167f20222a0572de61a4e206ed5c9b73448
[INFO] running `Command { std: "docker" "start" "-a" "6f12a3b5a5d43886e6c58e3a2ba5e167f20222a0572de61a4e206ed5c9b73448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f12a3b5a5d43886e6c58e3a2ba5e167f20222a0572de61a4e206ed5c9b73448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f12a3b5a5d43886e6c58e3a2ba5e167f20222a0572de61a4e206ed5c9b73448", kill_on_drop: false }`
[INFO] [stdout] 6f12a3b5a5d43886e6c58e3a2ba5e167f20222a0572de61a4e206ed5c9b73448
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 13f26798cb22eeda39d1bcb0cab0f6ced13536bddc6bdd8079017983eba969e2
[INFO] running `Command { std: "docker" "start" "-a" "13f26798cb22eeda39d1bcb0cab0f6ced13536bddc6bdd8079017983eba969e2", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking matches v0.1.7
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking smallvec v0.6.4
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking bufstream v0.1.3
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking atoi v0.2.3
[INFO] [stderr]     Checking chrono v0.4.5
[INFO] [stderr]     Checking twox-hash v1.1.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]     Checking digest v0.7.5
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.0.2/src/exec.rs:754:13
[INFO] [stdout]     |
[INFO] [stdout] 754 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 755 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 756 | |                 self.cache,
[INFO] [stdout] 757 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 764 | |                 Quit => return Some(Quit),
[INFO] [stdout] 765 | |             };
[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" "13f26798cb22eeda39d1bcb0cab0f6ced13536bddc6bdd8079017983eba969e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f26798cb22eeda39d1bcb0cab0f6ced13536bddc6bdd8079017983eba969e2", kill_on_drop: false }`
[INFO] [stdout] 13f26798cb22eeda39d1bcb0cab0f6ced13536bddc6bdd8079017983eba969e2