[INFO] fetching crate nacl 0.3.0...
[INFO] checking nacl-0.3.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate nacl 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate nacl 0.3.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nacl 0.3.0
[INFO] finished tweaking crates.io crate nacl 0.3.0
[INFO] tweaked toml for crates.io crate nacl 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 4629f33c29681730fdd33f147d52e3fe8d60a416da0dc17cdb7ca159d32bc4ac
[INFO] running `"docker" "start" "-a" "4629f33c29681730fdd33f147d52e3fe8d60a416da0dc17cdb7ca159d32bc4ac"`
[INFO] [stderr]     Checking nacl v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/boxes/public_box.rs:71:14
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let mut k = try!(calc_dhshared_key(pk, sk));
[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/boxes/public_box.rs:83:14
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let mut k = try!(calc_dhshared_key(pk, sk));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/boxes/public_box.rs:106:15
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let mut k = try!(calc_dhshared_key(pk, sk));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/boxes/public_box.rs:116:15
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let mut k = try!(calc_dhshared_key(pk, sk));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/util/verify.rs:24:2
[INFO] [stderr]    |
[INFO] [stderr] 24 |     (differentbits == 0)
[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 block return value
[INFO] [stderr]   --> src/util/verify.rs:32:2
[INFO] [stderr]    |
[INFO] [stderr] 32 |     (differentbits == 0)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/util/verify.rs:42:2
[INFO] [stderr]    |
[INFO] [stderr] 42 |     (differentbits == 0)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/boxes/public_box.rs:71:14
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let mut k = try!(calc_dhshared_key(pk, sk));
[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/boxes/public_box.rs:83:14
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let mut k = try!(calc_dhshared_key(pk, sk));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/boxes/public_box.rs:106:15
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let mut k = try!(calc_dhshared_key(pk, sk));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/boxes/public_box.rs:116:15
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let mut k = try!(calc_dhshared_key(pk, sk));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/util/verify.rs:24:2
[INFO] [stderr]    |
[INFO] [stderr] 24 |     (differentbits == 0)
[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 block return value
[INFO] [stderr]   --> src/util/verify.rs:32:2
[INFO] [stderr]    |
[INFO] [stderr] 32 |     (differentbits == 0)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/util/verify.rs:42:2
[INFO] [stderr]    |
[INFO] [stderr] 42 |     (differentbits == 0)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/boxes/scalarmult.rs:99:7
[INFO] [stderr]    |
[INFO] [stderr] 99 |         let mut t = bminus1 & (r[j] ^ s[j]);
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/signing/sc25519.rs:119:7
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let mut b = lt(r1[i],pb);
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/boxes/scalarmult.rs:99:7
[INFO] [stderr]    |
[INFO] [stderr] 99 |         let mut t = bminus1 & (r[j] ^ s[j]);
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/signing/sc25519.rs:119:7
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let mut b = lt(r1[i],pb);
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.80s
[INFO] running `"docker" "inspect" "4629f33c29681730fdd33f147d52e3fe8d60a416da0dc17cdb7ca159d32bc4ac"`
[INFO] running `"docker" "rm" "-f" "4629f33c29681730fdd33f147d52e3fe8d60a416da0dc17cdb7ca159d32bc4ac"`
[INFO] [stdout] 4629f33c29681730fdd33f147d52e3fe8d60a416da0dc17cdb7ca159d32bc4ac