[INFO] cloning repository https://github.com/nevi-me/lingua-mzansi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nevi-me/lingua-mzansi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnevi-me%2Flingua-mzansi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnevi-me%2Flingua-mzansi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7510c6a17e4be27cad96d92ef2cac65dbfdf3c0
[INFO] checking nevi-me/lingua-mzansi against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnevi-me%2Flingua-mzansi" "/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/nevi-me/lingua-mzansi on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nevi-me/lingua-mzansi
[INFO] finished tweaking git repo https://github.com/nevi-me/lingua-mzansi
[INFO] tweaked toml for git repo https://github.com/nevi-me/lingua-mzansi written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nevi-me/lingua-mzansi 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/pemistahl/lingua-rs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum_macros v0.19.4
[INFO] [stderr]   Downloaded zip v0.5.8
[INFO] [stderr]   Downloaded strum v0.19.5
[INFO] [stderr]   Downloaded fraction v0.6.3
[INFO] [stderr]   Downloaded include_dir_impl v0.6.0
[INFO] [stderr]   Downloaded include_dir v0.6.0
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96124effd9ecd1b231fa2cff1e4112afc33607860d1a661823efd5ba95218479
[INFO] running `Command { std: "docker" "start" "-a" "96124effd9ecd1b231fa2cff1e4112afc33607860d1a661823efd5ba95218479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96124effd9ecd1b231fa2cff1e4112afc33607860d1a661823efd5ba95218479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96124effd9ecd1b231fa2cff1e4112afc33607860d1a661823efd5ba95218479", kill_on_drop: false }`
[INFO] [stdout] 96124effd9ecd1b231fa2cff1e4112afc33607860d1a661823efd5ba95218479
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51265a6d3dcf3922a8ff9ad43cb09d16f1a8e8723e8ba988889787fed06555b8
[INFO] running `Command { std: "docker" "start" "-a" "51265a6d3dcf3922a8ff9ad43cb09d16f1a8e8723e8ba988889787fed06555b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking strum v0.19.5
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking fraction v0.6.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling include_dir_impl v0.6.0
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]     Checking include_dir v0.6.0
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking zip v0.5.8
[INFO] [stderr]     Checking lingua v1.0.0 (https://github.com/pemistahl/lingua-rs#587a33b8)
[INFO] [stderr]     Checking lingua-mzansi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.10s
[INFO] running `Command { std: "docker" "inspect" "51265a6d3dcf3922a8ff9ad43cb09d16f1a8e8723e8ba988889787fed06555b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51265a6d3dcf3922a8ff9ad43cb09d16f1a8e8723e8ba988889787fed06555b8", kill_on_drop: false }`
[INFO] [stdout] 51265a6d3dcf3922a8ff9ad43cb09d16f1a8e8723e8ba988889787fed06555b8
[INFO] checking nevi-me/lingua-mzansi against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnevi-me%2Flingua-mzansi" "/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/nevi-me/lingua-mzansi on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nevi-me/lingua-mzansi
[INFO] finished tweaking git repo https://github.com/nevi-me/lingua-mzansi
[INFO] tweaked toml for git repo https://github.com/nevi-me/lingua-mzansi written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nevi-me/lingua-mzansi 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ee525a1000aa603d77e71eb5cedcd173a36f28ecc960228b45d6e65b52aa193
[INFO] running `Command { std: "docker" "start" "-a" "9ee525a1000aa603d77e71eb5cedcd173a36f28ecc960228b45d6e65b52aa193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ee525a1000aa603d77e71eb5cedcd173a36f28ecc960228b45d6e65b52aa193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ee525a1000aa603d77e71eb5cedcd173a36f28ecc960228b45d6e65b52aa193", kill_on_drop: false }`
[INFO] [stdout] 9ee525a1000aa603d77e71eb5cedcd173a36f28ecc960228b45d6e65b52aa193
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3edf2a28a191e84ee74fd01aa04ba1889a7183d2ae39146c4a024f969cead1b6
[INFO] running `Command { std: "docker" "start" "-a" "3edf2a28a191e84ee74fd01aa04ba1889a7183d2ae39146c4a024f969cead1b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking strum v0.19.5
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking fraction v0.6.3
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling include_dir_impl v0.6.0
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]     Checking include_dir v0.6.0
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking zip v0.5.8
[INFO] [stderr]     Checking lingua v1.0.0 (https://github.com/pemistahl/lingua-rs#587a33b8)
[INFO] [stderr]     Checking lingua-mzansi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.67s
[INFO] running `Command { std: "docker" "inspect" "3edf2a28a191e84ee74fd01aa04ba1889a7183d2ae39146c4a024f969cead1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3edf2a28a191e84ee74fd01aa04ba1889a7183d2ae39146c4a024f969cead1b6", kill_on_drop: false }`
[INFO] [stdout] 3edf2a28a191e84ee74fd01aa04ba1889a7183d2ae39146c4a024f969cead1b6