[INFO] fetching crate bitvec 0.21.2...
[INFO] checking bitvec-0.21.2 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate bitvec 0.21.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bitvec 0.21.2 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitvec 0.21.2
[INFO] finished tweaking crates.io crate bitvec 0.21.2
[INFO] tweaked toml for crates.io crate bitvec 0.21.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate bitvec 0.21.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 719bbab725f94a2664e574b592b986dd213398df14e97c88ed44530b0ca8635a
[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" "719bbab725f94a2664e574b592b986dd213398df14e97c88ed44530b0ca8635a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "719bbab725f94a2664e574b592b986dd213398df14e97c88ed44530b0ca8635a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "719bbab725f94a2664e574b592b986dd213398df14e97c88ed44530b0ca8635a", kill_on_drop: false }`
[INFO] [stdout] 719bbab725f94a2664e574b592b986dd213398df14e97c88ed44530b0ca8635a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 795a707da43a4f854853cdf2a050e446616753324f04ba6eadb3a3f0ec1530d9
[INFO] running `Command { std: "docker" "start" "-a" "795a707da43a4f854853cdf2a050e446616753324f04ba6eadb3a3f0ec1530d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bitvec v0.21.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking serde_test v1.0.125
[INFO] [stderr]     Checking bincode v1.3.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stdout] error[E0576]: cannot find method or associated constant `BITS` in trait `BitMemory`
[INFO] [stdout]   --> benches/memcpy.rs:71:37
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 n * FACTOR * <u8 as BitMemory>::BITS as usize,
[INFO] [stdout]    |                                                 ^^^^ not found in `BitMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0576]: cannot find method or associated constant `BITS` in trait `BitMemory`
[INFO] [stdout]   --> benches/memcpy.rs:96:44
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let words = bits / <usize as BitMemory>::BITS as usize;
[INFO] [stdout]    |                                                  ^^^^ not found in `BitMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0576]: cannot find method or associated constant `BITS` in trait `BitMemory`
[INFO] [stdout]   --> benches/memcpy.rs:97:41
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let bytes = bits / <u8 as BitMemory>::BITS as usize;
[INFO] [stdout]    |                                               ^^^^ not found in `BitMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0576]: cannot find method or associated constant `BITS` in trait `BitMemory`
[INFO] [stdout]    --> benches/memcpy.rs:138:44
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let words = bits / <usize as BitMemory>::BITS as usize;
[INFO] [stdout]     |                                                  ^^^^ not found in `BitMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0576]: cannot find method or associated constant `BITS` in trait `BitMemory`
[INFO] [stdout]    --> benches/memcpy.rs:139:41
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let bytes = bits / <u8 as BitMemory>::BITS as usize;
[INFO] [stdout]     |                                               ^^^^ not found in `BitMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0576]: cannot find method or associated constant `BITS` in trait `BitMemory`
[INFO] [stdout]    --> benches/memcpy.rs:202:44
[INFO] [stdout]     |
[INFO] [stdout] 202 |         let words = bits / <usize as BitMemory>::BITS as usize;
[INFO] [stdout]     |                                                  ^^^^ not found in `BitMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0576]: cannot find method or associated constant `BITS` in trait `BitMemory`
[INFO] [stdout]    --> benches/memcpy.rs:203:41
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let bytes = bits / <u8 as BitMemory>::BITS as usize;
[INFO] [stdout]     |                                               ^^^^ not found in `BitMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0576`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitvec`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "795a707da43a4f854853cdf2a050e446616753324f04ba6eadb3a3f0ec1530d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795a707da43a4f854853cdf2a050e446616753324f04ba6eadb3a3f0ec1530d9", kill_on_drop: false }`
[INFO] [stdout] 795a707da43a4f854853cdf2a050e446616753324f04ba6eadb3a3f0ec1530d9