[INFO] cloning repository https://github.com/thomfuhrmann/box-algebra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomfuhrmann/box-algebra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomfuhrmann%2Fbox-algebra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomfuhrmann%2Fbox-algebra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4dff68269e4ab43807241adf31d845cd72d03687
[INFO] checking thomfuhrmann/box-algebra against try#3f7e3b175fda7edbf81081bcd9b91b73f2f7993f for pr-156157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomfuhrmann%2Fbox-algebra" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thomfuhrmann/box-algebra
[INFO] finished tweaking git repo https://github.com/thomfuhrmann/box-algebra
[INFO] tweaked toml for git repo https://github.com/thomfuhrmann/box-algebra written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thomfuhrmann/box-algebra on toolchain 3f7e3b175fda7edbf81081bcd9b91b73f2f7993f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thomfuhrmann/box-algebra 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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49dfa1f93c7d47dd444f0205f545e49d957163eaade4a967b1a30ee505e687d0
[INFO] running `Command { std: "docker" "start" "-a" "49dfa1f93c7d47dd444f0205f545e49d957163eaade4a967b1a30ee505e687d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49dfa1f93c7d47dd444f0205f545e49d957163eaade4a967b1a30ee505e687d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49dfa1f93c7d47dd444f0205f545e49d957163eaade4a967b1a30ee505e687d0", kill_on_drop: false }`
[INFO] [stdout] 49dfa1f93c7d47dd444f0205f545e49d957163eaade4a967b1a30ee505e687d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efa490d01303a98389544995a813827988fbcfa38b4172f909215c35c3d5d4ce
[INFO] running `Command { std: "docker" "start" "-a" "efa490d01303a98389544995a813827988fbcfa38b4172f909215c35c3d5d4ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]     Checking colored v3.1.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]     Checking derive_more v2.1.1
[INFO] [stderr]     Checking crossterm v0.29.0
[INFO] [stderr]     Checking box-algebra v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]   --> src/derivative.rs:52:32
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn derivative_multi(&self, var: &MBox) -> Option<MBox> {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]   --> src/derivative.rs:52:32
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn derivative_multi(&self, var: &MBox) -> Option<MBox> {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.51s
[INFO] running `Command { std: "docker" "inspect" "efa490d01303a98389544995a813827988fbcfa38b4172f909215c35c3d5d4ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa490d01303a98389544995a813827988fbcfa38b4172f909215c35c3d5d4ce", kill_on_drop: false }`
[INFO] [stdout] efa490d01303a98389544995a813827988fbcfa38b4172f909215c35c3d5d4ce
