[INFO] crate rowcol 0.3.3 is already in cache
[INFO] checking rowcol-0.3.3 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate rowcol 0.3.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rowcol 0.3.3 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rowcol 0.3.3
[INFO] finished tweaking crates.io crate rowcol 0.3.3
[INFO] tweaked toml for crates.io crate rowcol 0.3.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 19df34c0525c2d49c1c3da8362d86bd33096d660176382bc42d56a22204689b5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "19df34c0525c2d49c1c3da8362d86bd33096d660176382bc42d56a22204689b5"`
[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 rowcol v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vector.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         try!(f.write_str("Vector"));
[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/matrix/mod.rs:309:9
[INFO] [stderr]     |
[INFO] [stderr] 309 |         try!(write!(fmt, "Matrix["));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/matrix/mod.rs:313:13
[INFO] [stderr]     |
[INFO] [stderr] 313 |             try!(row.as_slice().fmt(fmt));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/matrix/mod.rs:314:28
[INFO] [stderr]     |
[INFO] [stderr] 314 |             if i != last { try!(write!(fmt, ", ")); }
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/matrix/mod.rs:369:17
[INFO] [stderr]     |
[INFO] [stderr] 369 |                 try!(f.write_char(
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/matrix/mod.rs:381:43
[INFO] [stderr]     |
[INFO] [stderr] 381 |                     for _ in 0..leftpad { try!(f.write_char(' ')); }
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/matrix/mod.rs:384:21
[INFO] [stderr]     |
[INFO] [stderr] 384 |                     try!(f.write_str(line));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/matrix/mod.rs:388:44
[INFO] [stderr]     |
[INFO] [stderr] 388 |                     for _ in 0..rightpad { try!(f.write_char(' ')); }
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/matrix/mod.rs:391:17
[INFO] [stderr]     |
[INFO] [stderr] 391 |                 try!(f.write_str(
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | #[macro_use] extern crate approx;
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/vector.rs:699:39
[INFO] [stderr]     |
[INFO] [stderr] 699 |             let mut arr = NoDrop::new(mem::uninitialized::<N::Array>());
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vector.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         try!(f.write_str("Vector"));
[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/matrix/mod.rs:309:9
[INFO] [stderr]     |
[INFO] [stderr] 309 |         try!(write!(fmt, "Matrix["));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/matrix/mod.rs:313:13
[INFO] [stderr]     |
[INFO] [stderr] 313 |             try!(row.as_slice().fmt(fmt));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/matrix/mod.rs:314:28
[INFO] [stderr]     |
[INFO] [stderr] 314 |             if i != last { try!(write!(fmt, ", ")); }
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/matrix/mod.rs:369:17
[INFO] [stderr]     |
[INFO] [stderr] 369 |                 try!(f.write_char(
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/matrix/mod.rs:381:43
[INFO] [stderr]     |
[INFO] [stderr] 381 |                     for _ in 0..leftpad { try!(f.write_char(' ')); }
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/matrix/mod.rs:384:21
[INFO] [stderr]     |
[INFO] [stderr] 384 |                     try!(f.write_str(line));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/matrix/mod.rs:388:44
[INFO] [stderr]     |
[INFO] [stderr] 388 |                     for _ in 0..rightpad { try!(f.write_char(' ')); }
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/matrix/mod.rs:391:17
[INFO] [stderr]     |
[INFO] [stderr] 391 |                 try!(f.write_str(
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/vector.rs:699:39
[INFO] [stderr]     |
[INFO] [stderr] 699 |             let mut arr = NoDrop::new(mem::uninitialized::<N::Array>());
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.27s
[INFO] running `"docker" "inspect" "19df34c0525c2d49c1c3da8362d86bd33096d660176382bc42d56a22204689b5"`
[INFO] running `"docker" "rm" "-f" "19df34c0525c2d49c1c3da8362d86bd33096d660176382bc42d56a22204689b5"`
[INFO] [stdout] 19df34c0525c2d49c1c3da8362d86bd33096d660176382bc42d56a22204689b5