[INFO] fetching crate containers 0.9.5...
[INFO] checking containers-0.9.5 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate containers 0.9.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate containers 0.9.5 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate containers 0.9.5
[INFO] finished tweaking crates.io crate containers 0.9.5
[INFO] tweaked toml for crates.io crate containers 0.9.5 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 51865d8d95098d5b37f42beb263ffff6ca0f727eab8b70cf49a13e41712d8a7d
[INFO] running `"docker" "start" "-a" "51865d8d95098d5b37f42beb263ffff6ca0f727eab8b70cf49a13e41712d8a7d"`
[INFO] [stderr]    Compiling ptr v0.2.1
[INFO] [stderr]    Compiling hash-table v0.2.2
[INFO] [stderr]     Checking slot v0.2.5
[INFO] [stderr]    Compiling containers v0.9.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rel v0.2.0
[INFO] [stderr]     Checking heap v0.1.0
[INFO] [stderr]     Checking fallible v0.1.2
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]     Checking loca v0.7.2
[INFO] [stderr]     Checking default_allocator v0.3.0
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collections/b_tree.rs:414:9
[INFO] [stderr]     |
[INFO] [stderr] 414 |         try!(fmt::Debug::fmt(&self.p, fmt));
[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/collections/b_tree.rs:415:9
[INFO] [stderr]     |
[INFO] [stderr] 415 |         try!(fmt.write_str(":["));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collections/b_tree.rs:418:17
[INFO] [stderr]     |
[INFO] [stderr] 418 |                 try!(self.children(b, depth)[i].debug_fmt(b, depth-1, fmt));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collections/b_tree.rs:420:13
[INFO] [stderr]     |
[INFO] [stderr] 420 |             try!(fmt.write_fmt(format_args!(",{:?}:{:?},", self.keys(b)[i], self.vals(b)[i])))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collections/b_tree.rs:422:25
[INFO] [stderr]     |
[INFO] [stderr] 422 |         if depth != 0 { try!(self.children(b, depth)[self.m].debug_fmt(b, depth-1, fmt)); }
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collections/b_tree.rs:423:9
[INFO] [stderr]     |
[INFO] [stderr] 423 |         try!(fmt.write_str("]"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0635]: unknown feature `const_slice_len`
[INFO] [stderr]  --> src/lib.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![feature(const_slice_len)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `dead_flag` should have an upper case name
[INFO] [stderr]    --> src/collections/hash_table.rs:175:7
[INFO] [stderr]     |
[INFO] [stderr] 175 | const dead_flag: usize = !(!0>>1);
[INFO] [stderr]     |       ^^^^^^^^^ help: convert the identifier to upper case: `DEAD_FLAG`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `hash_flag` should have an upper case name
[INFO] [stderr]    --> src/collections/hash_table.rs:176:7
[INFO] [stderr]     |
[INFO] [stderr] 176 | const hash_flag: usize = dead_flag>>1;
[INFO] [stderr]     |       ^^^^^^^^^ help: convert the identifier to upper case: `HASH_FLAG`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `empty` should have an upper case name
[INFO] [stderr]    --> src/collections/raw_vec.rs:115:15
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub const empty: Self = RawVec { ptr: Unique::empty(), cap: 0,
[INFO] [stderr]     |               ^^^^^ help: convert the identifier to upper case: `EMPTY`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0635`.
[INFO] [stderr] error: could not compile `containers`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "51865d8d95098d5b37f42beb263ffff6ca0f727eab8b70cf49a13e41712d8a7d"`
[INFO] running `"docker" "rm" "-f" "51865d8d95098d5b37f42beb263ffff6ca0f727eab8b70cf49a13e41712d8a7d"`
[INFO] [stdout] 51865d8d95098d5b37f42beb263ffff6ca0f727eab8b70cf49a13e41712d8a7d