[INFO] fetching crate rsmath 0.1.6...
[INFO] checking rsmath-0.1.6 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate rsmath 0.1.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rsmath 0.1.6 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rsmath 0.1.6
[INFO] finished tweaking crates.io crate rsmath 0.1.6
[INFO] tweaked toml for crates.io crate rsmath 0.1.6 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 3f0f67f705aa3e5973cef4c15aa5a93c1bd2c380ee4abab1c49bc08267a09267
[INFO] running `"docker" "start" "-a" "3f0f67f705aa3e5973cef4c15aa5a93c1bd2c380ee4abab1c49bc08267a09267"`
[INFO] [stderr]     Checking rsmath v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/algebra/matrix.rs:898:9
[INFO] [stderr]     |
[INFO] [stderr] 898 |         try!(writeln!(f, "{{"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/algebra/matrix.rs:900:13
[INFO] [stderr]     |
[INFO] [stderr] 900 |             try!(write!(f, "[ "));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/algebra/matrix.rs:902:17
[INFO] [stderr]     |
[INFO] [stderr] 902 |                 try!(write!(f, "{} ", el));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/algebra/matrix.rs:904:13
[INFO] [stderr]     |
[INFO] [stderr] 904 |             try!(writeln!(f, "]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/algebra/matrix.rs:906:9
[INFO] [stderr]     |
[INFO] [stderr] 906 |         try!(writeln!(f, "}}"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/algebra/vector.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |         try!(write!(f, "[ "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/algebra/vector.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |             try!(write!(f, "{el} ",  el = el));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/linspace/point.rs:113:29
[INFO] [stderr]     |
[INFO] [stderr] 113 |         let val: f64 = (pow((a.x() - b.x()), 2) +
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/linspace/point.rs:114:29
[INFO] [stderr]     |
[INFO] [stderr] 114 |                         pow((a.y() - b.y()), 2) +
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/linspace/point.rs:115:29
[INFO] [stderr]     |
[INFO] [stderr] 115 |                         pow((a.z() - b.z()), 2)).into();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/algebra/matrix.rs:898:9
[INFO] [stderr]     |
[INFO] [stderr] 898 |         try!(writeln!(f, "{{"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/algebra/matrix.rs:900:13
[INFO] [stderr]     |
[INFO] [stderr] 900 |             try!(write!(f, "[ "));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/algebra/matrix.rs:902:17
[INFO] [stderr]     |
[INFO] [stderr] 902 |                 try!(write!(f, "{} ", el));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/algebra/matrix.rs:904:13
[INFO] [stderr]     |
[INFO] [stderr] 904 |             try!(writeln!(f, "]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/algebra/matrix.rs:906:9
[INFO] [stderr]     |
[INFO] [stderr] 906 |         try!(writeln!(f, "}}"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/algebra/vector.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |         try!(write!(f, "[ "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/algebra/vector.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |             try!(write!(f, "{el} ",  el = el));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/linspace/point.rs:113:29
[INFO] [stderr]     |
[INFO] [stderr] 113 |         let val: f64 = (pow((a.x() - b.x()), 2) +
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/linspace/point.rs:114:29
[INFO] [stderr]     |
[INFO] [stderr] 114 |                         pow((a.y() - b.y()), 2) +
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/linspace/point.rs:115:29
[INFO] [stderr]     |
[INFO] [stderr] 115 |                         pow((a.z() - b.z()), 2)).into();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]   --> benches/matrix.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 |     #[bench]
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[deny(soft_unstable)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]  --> benches/matrix.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate test;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]   = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]  --> benches/matrix.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     use test::Bencher;
[INFO] [stderr]   |         ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]   = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]   --> benches/matrix.rs:11:36
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn create_random_bench(b: &mut Bencher) {
[INFO] [stderr]    |                                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]    = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]   --> benches/matrix.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 |     b.iter(|| Matrix::<f32>::random(3, 3, &range));
[INFO] [stderr]    |       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]    = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `rsmath`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3f0f67f705aa3e5973cef4c15aa5a93c1bd2c380ee4abab1c49bc08267a09267"`
[INFO] running `"docker" "rm" "-f" "3f0f67f705aa3e5973cef4c15aa5a93c1bd2c380ee4abab1c49bc08267a09267"`
[INFO] [stdout] 3f0f67f705aa3e5973cef4c15aa5a93c1bd2c380ee4abab1c49bc08267a09267