[INFO] cloning repository https://github.com/Acollie/rust_ls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Acollie/rust_ls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcollie%2Frust_ls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcollie%2Frust_ls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58ddc064d22be2af228ee1dd84d8fefd71f301af
[INFO] checking Acollie/rust_ls against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcollie%2Frust_ls" "/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/Acollie/rust_ls 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/Acollie/rust_ls
[INFO] finished tweaking git repo https://github.com/Acollie/rust_ls
[INFO] tweaked toml for git repo https://github.com/Acollie/rust_ls written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Acollie/rust_ls 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 colour v0.6.0
[INFO] [stderr]   Downloaded getrandom v0.2.9
[INFO] [stderr]   Downloaded android_system_properties v0.1.4
[INFO] [stderr]   Downloaded thiserror v1.0.39
[INFO] [stderr]   Downloaded iana-time-zone v0.1.44
[INFO] [stderr]   Downloaded thiserror-impl v1.0.39
[INFO] [stderr]   Downloaded rustix v0.37.19
[INFO] [stderr]   Downloaded libc v0.2.144
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39572c5a8ef540e883748b8b71b12d863284521bb89cf105a638b62d7b33edd2
[INFO] running `Command { std: "docker" "start" "-a" "39572c5a8ef540e883748b8b71b12d863284521bb89cf105a638b62d7b33edd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39572c5a8ef540e883748b8b71b12d863284521bb89cf105a638b62d7b33edd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39572c5a8ef540e883748b8b71b12d863284521bb89cf105a638b62d7b33edd2", kill_on_drop: false }`
[INFO] [stdout] 39572c5a8ef540e883748b8b71b12d863284521bb89cf105a638b62d7b33edd2
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b11b063bd58c88cb75bbc0f28c4baef4de46094dc8317078f8a6a1fb6bae0765
[INFO] running `Command { std: "docker" "start" "-a" "b11b063bd58c88cb75bbc0f28c4baef4de46094dc8317078f8a6a1fb6bae0765", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking encode_unicode v1.0.0
[INFO] [stderr]     Checking iana-time-zone v0.1.44
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking colour v0.6.0
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking prettytable-rs v0.10.0
[INFO] [stderr]     Checking rust_ls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.62s
[INFO] running `Command { std: "docker" "inspect" "b11b063bd58c88cb75bbc0f28c4baef4de46094dc8317078f8a6a1fb6bae0765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b11b063bd58c88cb75bbc0f28c4baef4de46094dc8317078f8a6a1fb6bae0765", kill_on_drop: false }`
[INFO] [stdout] b11b063bd58c88cb75bbc0f28c4baef4de46094dc8317078f8a6a1fb6bae0765
[INFO] checking Acollie/rust_ls against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcollie%2Frust_ls" "/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/Acollie/rust_ls 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/Acollie/rust_ls
[INFO] finished tweaking git repo https://github.com/Acollie/rust_ls
[INFO] tweaked toml for git repo https://github.com/Acollie/rust_ls written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Acollie/rust_ls 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-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01a2b5279ab77ea7c5a6d834b56da537d07c7f9bc5d0ba326445f2c2e67a2579
[INFO] running `Command { std: "docker" "start" "-a" "01a2b5279ab77ea7c5a6d834b56da537d07c7f9bc5d0ba326445f2c2e67a2579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01a2b5279ab77ea7c5a6d834b56da537d07c7f9bc5d0ba326445f2c2e67a2579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01a2b5279ab77ea7c5a6d834b56da537d07c7f9bc5d0ba326445f2c2e67a2579", kill_on_drop: false }`
[INFO] [stdout] 01a2b5279ab77ea7c5a6d834b56da537d07c7f9bc5d0ba326445f2c2e67a2579
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99d82759e2649f537f671e06b5307432c53cb919ef2966f81167cb908d1bd500
[INFO] running `Command { std: "docker" "start" "-a" "99d82759e2649f537f671e06b5307432c53cb919ef2966f81167cb908d1bd500", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking encode_unicode v1.0.0
[INFO] [stderr]     Checking iana-time-zone v0.1.44
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking colour v0.6.0
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking prettytable-rs v0.10.0
[INFO] [stderr]     Checking rust_ls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.68s
[INFO] running `Command { std: "docker" "inspect" "99d82759e2649f537f671e06b5307432c53cb919ef2966f81167cb908d1bd500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d82759e2649f537f671e06b5307432c53cb919ef2966f81167cb908d1bd500", kill_on_drop: false }`
[INFO] [stdout] 99d82759e2649f537f671e06b5307432c53cb919ef2966f81167cb908d1bd500