[INFO] fetching crate la 0.2.0...
[INFO] checking la-0.2.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate la 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate la 0.2.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate la 0.2.0
[INFO] finished tweaking crates.io crate la 0.2.0
[INFO] tweaked toml for crates.io crate la 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ce25b06119a03c3cabf24e03f34e816a41fce43cd14a65c2436c4758354b7df
[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" "9ce25b06119a03c3cabf24e03f34e816a41fce43cd14a65c2436c4758354b7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ce25b06119a03c3cabf24e03f34e816a41fce43cd14a65c2436c4758354b7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ce25b06119a03c3cabf24e03f34e816a41fce43cd14a65c2436c4758354b7df", kill_on_drop: false }`
[INFO] [stdout] 9ce25b06119a03c3cabf24e03f34e816a41fce43cd14a65c2436c4758354b7df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0e0d33a26e34450a9d4823531c3d660f1230f97730c9f22c36831f6ddba7068a
[INFO] running `Command { std: "docker" "start" "-a" "0e0d33a26e34450a9d4823531c3d660f1230f97730c9f22c36831f6ddba7068a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking la v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matrix/mmatrix.rs:19:38
[INFO] [stdout]    |
[INFO] [stdout] 19 |   pub fn mmap<'a>(&'a mut self, f : &Fn(&T) -> T) -> &'a mut Matrix<T> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matrix/mod.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |   pub fn map<S : Copy>(&self, f : &Fn(&T) -> S) -> Matrix<S> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> S`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matrix/mod.rs:198:53
[INFO] [stdout]     |
[INFO] [stdout] 198 |   pub fn reduce<S : Copy>(&self, init: &Vec<S>, f: &Fn(&S, &T) -> S) -> Matrix<S> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&S, &T) -> S`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matrix/mod.rs:494:34
[INFO] [stdout]     |
[INFO] [stdout] 494 |   pub fn filter_rows(&self, f : &Fn(&Matrix<T>, usize) -> bool) -> Matrix<T> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Matrix<T>, usize) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matrix/mod.rs:504:37
[INFO] [stdout]     |
[INFO] [stdout] 504 |   pub fn filter_columns(&self, f : &Fn(&Matrix<T>, usize) -> bool) -> Matrix<T> {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Matrix<T>, usize) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/matrix/mod.rs:552:5
[INFO] [stdout]     |
[INFO] [stdout] 552 |     try!(write!(fmt, "\n"));
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/matrix/mod.rs:554:7
[INFO] [stdout]     |
[INFO] [stdout] 554 |       try!(write!(fmt, "|"));
[INFO] [stdout]     |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/matrix/mod.rs:562:9
[INFO] [stdout]     |
[INFO] [stdout] 562 |         try!(write!(fmt, "{}{:?}", padding, v));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/matrix/mod.rs:564:7
[INFO] [stdout]     |
[INFO] [stdout] 564 |       try!(write!(fmt, " |\n"));
[INFO] [stdout]     |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/util.rs:9:61
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn read_csv<T : Copy>(buf_reader_name : &str, parser : &Fn(&str) -> T) -> Matrix<T> {
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matrix/mmatrix.rs:19:38
[INFO] [stdout]    |
[INFO] [stdout] 19 |   pub fn mmap<'a>(&'a mut self, f : &Fn(&T) -> T) -> &'a mut Matrix<T> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matrix/mod.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |   pub fn map<S : Copy>(&self, f : &Fn(&T) -> S) -> Matrix<S> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> S`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matrix/mod.rs:198:53
[INFO] [stdout]     |
[INFO] [stdout] 198 |   pub fn reduce<S : Copy>(&self, init: &Vec<S>, f: &Fn(&S, &T) -> S) -> Matrix<S> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&S, &T) -> S`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matrix/mod.rs:494:34
[INFO] [stdout]     |
[INFO] [stdout] 494 |   pub fn filter_rows(&self, f : &Fn(&Matrix<T>, usize) -> bool) -> Matrix<T> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Matrix<T>, usize) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matrix/mod.rs:504:37
[INFO] [stdout]     |
[INFO] [stdout] 504 |   pub fn filter_columns(&self, f : &Fn(&Matrix<T>, usize) -> bool) -> Matrix<T> {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Matrix<T>, usize) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/matrix/mod.rs:552:5
[INFO] [stdout]     |
[INFO] [stdout] 552 |     try!(write!(fmt, "\n"));
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/matrix/mod.rs:554:7
[INFO] [stdout]     |
[INFO] [stdout] 554 |       try!(write!(fmt, "|"));
[INFO] [stdout]     |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/matrix/mod.rs:562:9
[INFO] [stdout]     |
[INFO] [stdout] 562 |         try!(write!(fmt, "{}{:?}", padding, v));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/matrix/mod.rs:564:7
[INFO] [stdout]     |
[INFO] [stdout] 564 |       try!(write!(fmt, " |\n"));
[INFO] [stdout]     |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/matrix/mod.rs:1154:38
[INFO] [stdout]      |
[INFO] [stdout] 1154 |   let m2 = m.filter_rows(&|_, row| { ((row % 2) == 0) });
[INFO] [stdout]      |                                      ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/matrix/mod.rs:1163:41
[INFO] [stdout]      |
[INFO] [stdout] 1163 |   let m2 = m.filter_columns(&|_, col| { (col >= 1) });
[INFO] [stdout]      |                                         ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/util.rs:9:61
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn read_csv<T : Copy>(buf_reader_name : &str, parser : &Fn(&str) -> T) -> Matrix<T> {
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.79s
[INFO] running `Command { std: "docker" "inspect" "0e0d33a26e34450a9d4823531c3d660f1230f97730c9f22c36831f6ddba7068a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e0d33a26e34450a9d4823531c3d660f1230f97730c9f22c36831f6ddba7068a", kill_on_drop: false }`
[INFO] [stdout] 0e0d33a26e34450a9d4823531c3d660f1230f97730c9f22c36831f6ddba7068a