[INFO] cloning repository https://github.com/contextfreecode/records
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/contextfreecode/records" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcontextfreecode%2Frecords", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcontextfreecode%2Frecords'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 606529b1a22b352caf541b17ffbd3b48c67e8219
[INFO] checking contextfreecode/records against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcontextfreecode%2Frecords" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/contextfreecode/records
[INFO] finished tweaking git repo https://github.com/contextfreecode/records
[INFO] tweaked toml for git repo https://github.com/contextfreecode/records written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/contextfreecode/records on toolchain 040e2f8b9ff2d76fbe2146d6003e297ed4532088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/contextfreecode/records 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" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sized-chunks v0.6.2
[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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 678c9c7d3722669c38599917cf428aed11711f50dd016d885afed648d5580336
[INFO] running `Command { std: "docker" "start" "-a" "678c9c7d3722669c38599917cf428aed11711f50dd016d885afed648d5580336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "678c9c7d3722669c38599917cf428aed11711f50dd016d885afed648d5580336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678c9c7d3722669c38599917cf428aed11711f50dd016d885afed648d5580336", kill_on_drop: false }`
[INFO] [stdout] 678c9c7d3722669c38599917cf428aed11711f50dd016d885afed648d5580336
[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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cefa3c1bc274b0987487c16025826b3dad438a81d0db9041d4f4a6379673b8ba
[INFO] running `Command { std: "docker" "start" "-a" "cefa3c1bc274b0987487c16025826b3dad438a81d0db9041d4f4a6379673b8ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]     Checking records v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DetailEmployee` is never constructed
[INFO] [stdout]   --> records.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct DetailEmployee<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DetailEmployee` is never constructed
[INFO] [stdout]   --> records.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct DetailEmployee<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.65s
[INFO] running `Command { std: "docker" "inspect" "cefa3c1bc274b0987487c16025826b3dad438a81d0db9041d4f4a6379673b8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cefa3c1bc274b0987487c16025826b3dad438a81d0db9041d4f4a6379673b8ba", kill_on_drop: false }`
[INFO] [stdout] cefa3c1bc274b0987487c16025826b3dad438a81d0db9041d4f4a6379673b8ba