[INFO] cloning repository https://github.com/BurntSushi/ripgrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BurntSushi/ripgrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBurntSushi%2Fripgrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBurntSushi%2Fripgrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d922b7ac114c24d6800ae5f79d2967481f380c83
[INFO] checking BurntSushi/ripgrep against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBurntSushi%2Fripgrep" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BurntSushi/ripgrep 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] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/BurntSushi/ripgrep
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/BurntSushi/ripgrep
[INFO] tweaked toml for git repo https://github.com/BurntSushi/ripgrep written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BurntSushi/ripgrep 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 crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap2 v0.9.4
[INFO] [stderr]   Downloaded pcre2 v0.2.7
[INFO] [stderr]   Downloaded encoding_rs_io v0.1.7
[INFO] [stderr]   Downloaded lexopt v0.3.0
[INFO] [stderr]   Downloaded syn v2.0.55
[INFO] [stderr]   Downloaded pcre2-sys v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bb703e45e48b29dabaf04de159a3f148f9b4e568b6888130195b52d1c851f270
[INFO] running `Command { std: "docker" "start" "-a" "bb703e45e48b29dabaf04de159a3f148f9b4e568b6888130195b52d1c851f270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb703e45e48b29dabaf04de159a3f148f9b4e568b6888130195b52d1c851f270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb703e45e48b29dabaf04de159a3f148f9b4e568b6888130195b52d1c851f270", kill_on_drop: false }`
[INFO] [stdout] bb703e45e48b29dabaf04de159a3f148f9b4e568b6888130195b52d1c851f270
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b37a2e210e8b9f54318bd33f6a9ad41f1128823b5ff1a56c980f1176a676f0cb
[INFO] running `Command { std: "docker" "start" "-a" "b37a2e210e8b9f54318bd33f6a9ad41f1128823b5ff1a56c980f1176a676f0cb", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]    Compiling pcre2-sys v0.2.9
[INFO] [stderr]    Compiling ripgrep v14.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]     Checking lexopt v0.3.0
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking pcre2 v0.2.7
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking grep-matcher v0.1.7 (/opt/rustwide/workdir/crates/matcher)
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking grep-pcre2 v0.1.7 (/opt/rustwide/workdir/crates/pcre2)
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking globset v0.4.14 (/opt/rustwide/workdir/crates/globset)
[INFO] [stderr]     Checking grep-searcher v0.1.13 (/opt/rustwide/workdir/crates/searcher)
[INFO] [stderr]     Checking grep-regex v0.1.12 (/opt/rustwide/workdir/crates/regex)
[INFO] [stderr]     Checking grep-cli v0.1.10 (/opt/rustwide/workdir/crates/cli)
[INFO] [stderr]     Checking ignore v0.4.22 (/opt/rustwide/workdir/crates/ignore)
[INFO] [stderr]     Checking grep-printer v0.2.1 (/opt/rustwide/workdir/crates/printer)
[INFO] [stderr]     Checking grep v0.3.1 (/opt/rustwide/workdir/crates/grep)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.77s
[INFO] running `Command { std: "docker" "inspect" "b37a2e210e8b9f54318bd33f6a9ad41f1128823b5ff1a56c980f1176a676f0cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b37a2e210e8b9f54318bd33f6a9ad41f1128823b5ff1a56c980f1176a676f0cb", kill_on_drop: false }`
[INFO] [stdout] b37a2e210e8b9f54318bd33f6a9ad41f1128823b5ff1a56c980f1176a676f0cb
[INFO] checking BurntSushi/ripgrep against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBurntSushi%2Fripgrep" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BurntSushi/ripgrep 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] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/BurntSushi/ripgrep
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/BurntSushi/ripgrep
[INFO] tweaked toml for git repo https://github.com/BurntSushi/ripgrep written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/BurntSushi/ripgrep 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 75ff9fdd6afb28ee4821e347940b29bac96d6b2f313c0aaf11cd842c59c507e9
[INFO] running `Command { std: "docker" "start" "-a" "75ff9fdd6afb28ee4821e347940b29bac96d6b2f313c0aaf11cd842c59c507e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75ff9fdd6afb28ee4821e347940b29bac96d6b2f313c0aaf11cd842c59c507e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ff9fdd6afb28ee4821e347940b29bac96d6b2f313c0aaf11cd842c59c507e9", kill_on_drop: false }`
[INFO] [stdout] 75ff9fdd6afb28ee4821e347940b29bac96d6b2f313c0aaf11cd842c59c507e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a6cb52da0b736dc9e6dc019391fb86094362a4c7ba28cae8f883029f66e8689c
[INFO] running `Command { std: "docker" "start" "-a" "a6cb52da0b736dc9e6dc019391fb86094362a4c7ba28cae8f883029f66e8689c", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]    Compiling pcre2-sys v0.2.9
[INFO] [stderr]    Compiling ripgrep v14.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking lexopt v0.3.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking grep-matcher v0.1.7 (/opt/rustwide/workdir/crates/matcher)
[INFO] [stderr]     Checking pcre2 v0.2.7
[INFO] [stderr]     Checking grep-pcre2 v0.1.7 (/opt/rustwide/workdir/crates/pcre2)
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking globset v0.4.14 (/opt/rustwide/workdir/crates/globset)
[INFO] [stderr]     Checking grep-searcher v0.1.13 (/opt/rustwide/workdir/crates/searcher)
[INFO] [stderr]     Checking grep-regex v0.1.12 (/opt/rustwide/workdir/crates/regex)
[INFO] [stderr]     Checking grep-cli v0.1.10 (/opt/rustwide/workdir/crates/cli)
[INFO] [stderr]     Checking ignore v0.4.22 (/opt/rustwide/workdir/crates/ignore)
[INFO] [stderr]     Checking grep-printer v0.2.1 (/opt/rustwide/workdir/crates/printer)
[INFO] [stderr]     Checking grep v0.3.1 (/opt/rustwide/workdir/crates/grep)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.13s
[INFO] running `Command { std: "docker" "inspect" "a6cb52da0b736dc9e6dc019391fb86094362a4c7ba28cae8f883029f66e8689c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6cb52da0b736dc9e6dc019391fb86094362a4c7ba28cae8f883029f66e8689c", kill_on_drop: false }`
[INFO] [stdout] a6cb52da0b736dc9e6dc019391fb86094362a4c7ba28cae8f883029f66e8689c