[INFO] fetching crate dims_core 0.5.1...
[INFO] checking dims_core-0.5.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate dims_core 0.5.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate dims_core 0.5.1 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dims_core 0.5.1
[INFO] finished tweaking crates.io crate dims_core 0.5.1
[INFO] tweaked toml for crates.io crate dims_core 0.5.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opimps v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 900cec3d10c6d38c5385fa299e49739b2cfb903a271ea4573233fc6dca5e83f7
[INFO] running `Command { std: "docker" "start" "-a" "900cec3d10c6d38c5385fa299e49739b2cfb903a271ea4573233fc6dca5e83f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "900cec3d10c6d38c5385fa299e49739b2cfb903a271ea4573233fc6dca5e83f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900cec3d10c6d38c5385fa299e49739b2cfb903a271ea4573233fc6dca5e83f7", kill_on_drop: false }`
[INFO] [stdout] 900cec3d10c6d38c5385fa299e49739b2cfb903a271ea4573233fc6dca5e83f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5659870cb68e3ea420808931007c1bc8bcb77ff2d3b4028f4d8c5b41be10f1d6
[INFO] running `Command { std: "docker" "start" "-a" "5659870cb68e3ea420808931007c1bc8bcb77ff2d3b4028f4d8c5b41be10f1d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling opimps v0.2.2
[INFO] [stderr]     Checking dims_core v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `SQFT` is never used
[INFO] [stdout]   --> tests/common/mod.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub const SQFT: UnitFormat<'static, Area> = UnitFormat {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SQFT` is never used
[INFO] [stdout]   --> tests/common/mod.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub const SQFT: UnitFormat<'static, Area> = UnitFormat {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SQFT` is never used
[INFO] [stdout]   --> tests/common/mod.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub const SQFT: UnitFormat<'static, Area> = UnitFormat {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SQFT` is never used
[INFO] [stdout]   --> tests/common/mod.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub const SQFT: UnitFormat<'static, Area> = UnitFormat {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "5659870cb68e3ea420808931007c1bc8bcb77ff2d3b4028f4d8c5b41be10f1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5659870cb68e3ea420808931007c1bc8bcb77ff2d3b4028f4d8c5b41be10f1d6", kill_on_drop: false }`
[INFO] [stdout] 5659870cb68e3ea420808931007c1bc8bcb77ff2d3b4028f4d8c5b41be10f1d6