[INFO] fetching crate kda-tools 0.1.1...
[INFO] checking kda-tools-0.1.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate kda-tools 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate kda-tools 0.1.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kda-tools 0.1.1
[INFO] finished tweaking crates.io crate kda-tools 0.1.1
[INFO] tweaked toml for crates.io crate kda-tools 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate kda-tools 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kvc v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 359405fea76977aeffa211836348b4aa8af8886f1c65940596bd90d0c799039a
[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" "359405fea76977aeffa211836348b4aa8af8886f1c65940596bd90d0c799039a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "359405fea76977aeffa211836348b4aa8af8886f1c65940596bd90d0c799039a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "359405fea76977aeffa211836348b4aa8af8886f1c65940596bd90d0c799039a", kill_on_drop: false }`
[INFO] [stdout] 359405fea76977aeffa211836348b4aa8af8886f1c65940596bd90d0c799039a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72b97d71c995ad714b075a0ca65ce43c3ded621ba50779d1a4aace50a00d5c7f
[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" "72b97d71c995ad714b075a0ca65ce43c3ded621ba50779d1a4aace50a00d5c7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking kvc v0.1.0
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking matrixmultiply v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking simba v0.4.0
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking nalgebra v0.25.3
[INFO] [stderr]     Checking kda-tools v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/bin/kda-compare.rs:210:12
[INFO] [stdout]     |
[INFO] [stdout] 210 |         |i,j| 
[INFO] [stdout]     |            ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kdab_sum`
[INFO] [stdout]    --> src/bin/kda-compare.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let kdab_sum = x_all.row_sum();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kdab_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kds_mean`
[INFO] [stdout]    --> src/bin/kda-compare.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let kds_mean = kd_spread.row_mean();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kds_mean`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kds_var`
[INFO] [stdout]    --> src/bin/kda-compare.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let kds_var = kd_spread.row_variance();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kds_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kdsa_mean`
[INFO] [stdout]    --> src/bin/kda-compare.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let kdsa_mean = kda_spread.row_mean();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kdsa_mean`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kdsa_var`
[INFO] [stdout]    --> src/bin/kda-compare.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let kdsa_var = kda_spread.row_variance();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kdsa_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/bin/kda-compare.rs:210:12
[INFO] [stdout]     |
[INFO] [stdout] 210 |         |i,j| 
[INFO] [stdout]     |            ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kdab_sum`
[INFO] [stdout]    --> src/bin/kda-compare.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let kdab_sum = x_all.row_sum();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kdab_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kds_mean`
[INFO] [stdout]    --> src/bin/kda-compare.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let kds_mean = kd_spread.row_mean();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kds_mean`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kds_var`
[INFO] [stdout]    --> src/bin/kda-compare.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let kds_var = kd_spread.row_variance();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kds_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kdsa_mean`
[INFO] [stdout]    --> src/bin/kda-compare.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let kdsa_mean = kda_spread.row_mean();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kdsa_mean`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kdsa_var`
[INFO] [stdout]    --> src/bin/kda-compare.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let kdsa_var = kda_spread.row_variance();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kdsa_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.93s
[INFO] running `Command { std: "docker" "inspect" "72b97d71c995ad714b075a0ca65ce43c3ded621ba50779d1a4aace50a00d5c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b97d71c995ad714b075a0ca65ce43c3ded621ba50779d1a4aace50a00d5c7f", kill_on_drop: false }`
[INFO] [stdout] 72b97d71c995ad714b075a0ca65ce43c3ded621ba50779d1a4aace50a00d5c7f