[INFO] cloning repository https://github.com/oldmanfleming/smoldb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oldmanfleming/smoldb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foldmanfleming%2Fsmoldb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foldmanfleming%2Fsmoldb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba8ee2a2c1182470b1afcc4572373a16718ff2b8
[INFO] checking oldmanfleming/smoldb against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foldmanfleming%2Fsmoldb" "/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/oldmanfleming/smoldb 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/oldmanfleming/smoldb
[INFO] finished tweaking git repo https://github.com/oldmanfleming/smoldb
[INFO] tweaked toml for git repo https://github.com/oldmanfleming/smoldb written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/oldmanfleming/smoldb 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]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_cmd v2.0.13
[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] 4fe69e916fe18b1539dac26b4bf5b996b9b53f15ba3f3733557db08f2a43701b
[INFO] running `Command { std: "docker" "start" "-a" "4fe69e916fe18b1539dac26b4bf5b996b9b53f15ba3f3733557db08f2a43701b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fe69e916fe18b1539dac26b4bf5b996b9b53f15ba3f3733557db08f2a43701b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe69e916fe18b1539dac26b4bf5b996b9b53f15ba3f3733557db08f2a43701b", kill_on_drop: false }`
[INFO] [stdout] 4fe69e916fe18b1539dac26b4bf5b996b9b53f15ba3f3733557db08f2a43701b
[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] f840a20c27ff38b9658471a7daf38d005b22f82811b4e7029b44a2be48e943e5
[INFO] running `Command { std: "docker" "start" "-a" "f840a20c27ff38b9658471a7daf38d005b22f82811b4e7029b44a2be48e943e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking anstream v0.6.11
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking clap_builder v4.4.18
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]     Checking crc v3.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking bstr v1.9.0
[INFO] [stderr]     Checking predicates v3.1.0
[INFO] [stderr]     Checking assert_cmd v2.0.13
[INFO] [stderr]     Checking tempfile v3.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking clap v4.4.18
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking smoldb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.59s
[INFO] running `Command { std: "docker" "inspect" "f840a20c27ff38b9658471a7daf38d005b22f82811b4e7029b44a2be48e943e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f840a20c27ff38b9658471a7daf38d005b22f82811b4e7029b44a2be48e943e5", kill_on_drop: false }`
[INFO] [stdout] f840a20c27ff38b9658471a7daf38d005b22f82811b4e7029b44a2be48e943e5
[INFO] checking oldmanfleming/smoldb against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foldmanfleming%2Fsmoldb" "/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/oldmanfleming/smoldb 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/oldmanfleming/smoldb
[INFO] finished tweaking git repo https://github.com/oldmanfleming/smoldb
[INFO] tweaked toml for git repo https://github.com/oldmanfleming/smoldb written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/oldmanfleming/smoldb 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] a63ef7012f92fa3b4818e66927baed184d259a43f41e785f040011422e7a5248
[INFO] running `Command { std: "docker" "start" "-a" "a63ef7012f92fa3b4818e66927baed184d259a43f41e785f040011422e7a5248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a63ef7012f92fa3b4818e66927baed184d259a43f41e785f040011422e7a5248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63ef7012f92fa3b4818e66927baed184d259a43f41e785f040011422e7a5248", kill_on_drop: false }`
[INFO] [stdout] a63ef7012f92fa3b4818e66927baed184d259a43f41e785f040011422e7a5248
[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] 25d3233c84860ffee56aa4d49677d810a004feacd703249f77921f6d704dabe3
[INFO] running `Command { std: "docker" "start" "-a" "25d3233c84860ffee56aa4d49677d810a004feacd703249f77921f6d704dabe3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking anstream v0.6.11
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking clap_builder v4.4.18
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking crc v3.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking bstr v1.9.0
[INFO] [stderr]     Checking predicates v3.1.0
[INFO] [stderr]     Checking assert_cmd v2.0.13
[INFO] [stderr]     Checking tempfile v3.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking clap v4.4.18
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking smoldb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.40s
[INFO] running `Command { std: "docker" "inspect" "25d3233c84860ffee56aa4d49677d810a004feacd703249f77921f6d704dabe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d3233c84860ffee56aa4d49677d810a004feacd703249f77921f6d704dabe3", kill_on_drop: false }`
[INFO] [stdout] 25d3233c84860ffee56aa4d49677d810a004feacd703249f77921f6d704dabe3