[INFO] cloning repository https://github.com/conceptlove/db-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/conceptlove/db-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconceptlove%2Fdb-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconceptlove%2Fdb-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 685eab4af511480b29976674ab34d10075174e09
[INFO] checking conceptlove/db-rs against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconceptlove%2Fdb-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/conceptlove/db-rs on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/conceptlove/db-rs
[INFO] finished tweaking git repo https://github.com/conceptlove/db-rs
[INFO] tweaked toml for git repo https://github.com/conceptlove/db-rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/conceptlove/db-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 19fd40a886be959abc191b3686c41870286841693bb575bc3b0a633d7bf0cea8
[INFO] running `Command { std: "docker" "start" "-a" "19fd40a886be959abc191b3686c41870286841693bb575bc3b0a633d7bf0cea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19fd40a886be959abc191b3686c41870286841693bb575bc3b0a633d7bf0cea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19fd40a886be959abc191b3686c41870286841693bb575bc3b0a633d7bf0cea8", kill_on_drop: false }`
[INFO] [stdout] 19fd40a886be959abc191b3686c41870286841693bb575bc3b0a633d7bf0cea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b70cf6655d754802b3c8fad548ed548560c58b8c89a5a1de8fcfc94be12d70f3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b70cf6655d754802b3c8fad548ed548560c58b8c89a5a1de8fcfc94be12d70f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking tui v0.10.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking rustyline v6.2.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking conceptdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "b70cf6655d754802b3c8fad548ed548560c58b8c89a5a1de8fcfc94be12d70f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b70cf6655d754802b3c8fad548ed548560c58b8c89a5a1de8fcfc94be12d70f3", kill_on_drop: false }`
[INFO] [stdout] b70cf6655d754802b3c8fad548ed548560c58b8c89a5a1de8fcfc94be12d70f3