[INFO] fetching crate rustencils 0.1.6...
[INFO] checking rustencils-0.1.6 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate rustencils 0.1.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rustencils 0.1.6 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustencils 0.1.6
[INFO] finished tweaking crates.io crate rustencils 0.1.6
[INFO] tweaked toml for crates.io crate rustencils 0.1.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blas-src v0.6.1
[INFO] [stderr]   Downloaded lapack v0.17.0
[INFO] [stderr]   Downloaded zstd v0.5.4+zstd.1.4.7
[INFO] [stderr]   Downloaded cauchy v0.3.0
[INFO] [stderr]   Downloaded intel-mkl-tool v0.2.0+mkl2020.1
[INFO] [stderr]   Downloaded intel-mkl-src v0.6.0+mkl2020.1
[INFO] [stderr]   Downloaded openblas-build v0.1.1
[INFO] [stderr]   Downloaded lax v0.1.0
[INFO] [stderr]   Downloaded factorial v0.2.1
[INFO] [stderr]   Downloaded lapack-sys v0.12.1
[INFO] [stderr]   Downloaded ndarray v0.14.0
[INFO] [stderr]   Downloaded ndarray-linalg v0.13.1
[INFO] [stderr]   Downloaded zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]   Downloaded openblas-src v0.10.4
[INFO] [stderr]   Downloaded zstd-sys v1.4.18+zstd.1.4.7
[INFO] [stderr]   Downloaded netlib-src v0.8.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45f6f465b876cb11bad68050bf5358ebdf636d34f3ded5a929e0cdc08e78f38a
[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" "45f6f465b876cb11bad68050bf5358ebdf636d34f3ded5a929e0cdc08e78f38a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45f6f465b876cb11bad68050bf5358ebdf636d34f3ded5a929e0cdc08e78f38a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f6f465b876cb11bad68050bf5358ebdf636d34f3ded5a929e0cdc08e78f38a", kill_on_drop: false }`
[INFO] [stdout] 45f6f465b876cb11bad68050bf5358ebdf636d34f3ded5a929e0cdc08e78f38a
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f42c70f4acafb755f971b9427621f707272358268b36d86b93b7237415bbf70c
[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" "f42c70f4acafb755f971b9427621f707272358268b36d86b93b7237415bbf70c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]     Checking blas-src v0.6.1
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking lapack-sys v0.12.1
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking factorial v0.2.1
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking lapack v0.17.0
[INFO] [stderr]     Checking cauchy v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling openblas-build v0.1.1
[INFO] [stderr]    Compiling openblas-src v0.10.4
[INFO] [stderr]     Checking lax v0.1.0
[INFO] [stderr]     Checking ndarray-linalg v0.13.1
[INFO] [stderr]     Checking rustencils v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]     --> src/lib.rs:1302:9
[INFO] [stdout]      |
[INFO] [stdout] 1302 |     use super::*;
[INFO] [stdout]      |         ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bc_type`
[INFO] [stdout]     --> src/lib.rs:1295:9
[INFO] [stdout]      |
[INFO] [stdout] 1295 |         bc_type: String,
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bc_list`
[INFO] [stdout]     --> src/lib.rs:1296:9
[INFO] [stdout]      |
[INFO] [stdout] 1296 |         bc_list: Vec<T>,
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bc_type`
[INFO] [stdout]     --> src/lib.rs:1295:9
[INFO] [stdout]      |
[INFO] [stdout] 1295 |         bc_type: String,
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bc_list`
[INFO] [stdout]     --> src/lib.rs:1296:9
[INFO] [stdout]      |
[INFO] [stdout] 1296 |         bc_list: Vec<T>,
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 13s
[INFO] running `Command { std: "docker" "inspect" "f42c70f4acafb755f971b9427621f707272358268b36d86b93b7237415bbf70c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42c70f4acafb755f971b9427621f707272358268b36d86b93b7237415bbf70c", kill_on_drop: false }`
[INFO] [stdout] f42c70f4acafb755f971b9427621f707272358268b36d86b93b7237415bbf70c