[INFO] cloning repository https://github.com/qchen-fdii-cardc/metrology4rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qchen-fdii-cardc/metrology4rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqchen-fdii-cardc%2Fmetrology4rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqchen-fdii-cardc%2Fmetrology4rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fcd7676698431e5cf7486eb82d1bcfcb44aea56e
[INFO] checking qchen-fdii-cardc/metrology4rs against master#ba412a6e70ac84641be7764d088acabd0eb3fa39 for pr-145457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqchen-fdii-cardc%2Fmetrology4rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/qchen-fdii-cardc/metrology4rs
[INFO] finished tweaking git repo https://github.com/qchen-fdii-cardc/metrology4rs
[INFO] tweaked toml for git repo https://github.com/qchen-fdii-cardc/metrology4rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qchen-fdii-cardc/metrology4rs on toolchain ba412a6e70ac84641be7764d088acabd0eb3fa39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qchen-fdii-cardc/metrology4rs 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" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11819dcdb855ca59eb2f60ab75f065a750cf0a25dcc108cd811853bfb9cfccb9
[INFO] running `Command { std: "docker" "start" "-a" "11819dcdb855ca59eb2f60ab75f065a750cf0a25dcc108cd811853bfb9cfccb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11819dcdb855ca59eb2f60ab75f065a750cf0a25dcc108cd811853bfb9cfccb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11819dcdb855ca59eb2f60ab75f065a750cf0a25dcc108cd811853bfb9cfccb9", kill_on_drop: false }`
[INFO] [stdout] 11819dcdb855ca59eb2f60ab75f065a750cf0a25dcc108cd811853bfb9cfccb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6e81d9cd9f9b14e63ff74a7874672486395abbe9299b55d79e0697e8120c36a
[INFO] running `Command { std: "docker" "start" "-a" "d6e81d9cd9f9b14e63ff74a7874672486395abbe9299b55d79e0697e8120c36a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking metrology4rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `mat2`
[INFO] [stdout]    --> tests/matrix_tests.rs:718:9
[INFO] [stdout]     |
[INFO] [stdout] 718 |     let mat2 = Matrix::from_rows(vec![
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_mat2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mat2`
[INFO] [stdout]    --> tests/matrix_tests.rs:718:9
[INFO] [stdout]     |
[INFO] [stdout] 718 |     let mat2 = Matrix::from_rows(vec![
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_mat2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.49s
[INFO] running `Command { std: "docker" "inspect" "d6e81d9cd9f9b14e63ff74a7874672486395abbe9299b55d79e0697e8120c36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6e81d9cd9f9b14e63ff74a7874672486395abbe9299b55d79e0697e8120c36a", kill_on_drop: false }`
[INFO] [stdout] d6e81d9cd9f9b14e63ff74a7874672486395abbe9299b55d79e0697e8120c36a