[INFO] crate matrixnum 0.1.0 is already in cache
[INFO] checking matrixnum-0.1.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate matrixnum 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate matrixnum 0.1.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate matrixnum 0.1.0
[INFO] finished tweaking crates.io crate matrixnum 0.1.0
[INFO] tweaked toml for crates.io crate matrixnum 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 83f5abb6e0cc77a5f3fad319de0907f6c4b8cfa2bd16172ea491402f6ef49f20
[INFO] running `"docker" "start" "-a" "83f5abb6e0cc77a5f3fad319de0907f6c4b8cfa2bd16172ea491402f6ef49f20"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking matrixnum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/matrix_trait.rs:8:41
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn generate(m: usize, n: usize, f: &Fn(usize, usize) -> f64) -> Self;
[INFO] [stderr]   |                                         ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matrix_trait.rs:15:23
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn map(&self, f: &Fn(f64) -> f64) -> Self;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/basic.rs:23:41
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn generate(m: usize, n: usize, f: &Fn(usize, usize) -> f64) -> BasicMatrix {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/basic.rs:104:23
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn map(&self, f: &Fn(f64) -> f64) -> BasicMatrix {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/matrix_trait.rs:8:41
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn generate(m: usize, n: usize, f: &Fn(usize, usize) -> f64) -> Self;
[INFO] [stderr]   |                                         ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matrix_trait.rs:15:23
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn map(&self, f: &Fn(f64) -> f64) -> Self;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/basic.rs:23:41
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn generate(m: usize, n: usize, f: &Fn(usize, usize) -> f64) -> BasicMatrix {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/basic.rs:104:23
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn map(&self, f: &Fn(f64) -> f64) -> BasicMatrix {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `"docker" "inspect" "83f5abb6e0cc77a5f3fad319de0907f6c4b8cfa2bd16172ea491402f6ef49f20"`
[INFO] running `"docker" "rm" "-f" "83f5abb6e0cc77a5f3fad319de0907f6c4b8cfa2bd16172ea491402f6ef49f20"`
[INFO] [stdout] 83f5abb6e0cc77a5f3fad319de0907f6c4b8cfa2bd16172ea491402f6ef49f20