[INFO] fetching crate sliceslice 0.2.0...
[INFO] checking sliceslice-0.2.0 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate sliceslice 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate sliceslice 0.2.0 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sliceslice 0.2.0
[INFO] finished tweaking crates.io crate sliceslice 0.2.0
[INFO] tweaked toml for crates.io crate sliceslice 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded twoway v0.2.1
[INFO] [stderr]   Downloaded memmem v0.1.1
[INFO] [stderr]   Downloaded unchecked-index v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", 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] ac8ef95f5ea734cfcdda768876717916b46f6a39611fedaaa2f4feb822380f38
[INFO] running `Command { std: "docker" "start" "-a" "ac8ef95f5ea734cfcdda768876717916b46f6a39611fedaaa2f4feb822380f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac8ef95f5ea734cfcdda768876717916b46f6a39611fedaaa2f4feb822380f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac8ef95f5ea734cfcdda768876717916b46f6a39611fedaaa2f4feb822380f38", kill_on_drop: false }`
[INFO] [stdout] ac8ef95f5ea734cfcdda768876717916b46f6a39611fedaaa2f4feb822380f38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cc00a79f4e347ce7405c722acf2f97571ff785532d179a3b4021af5a6b2ee7e
[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" "5cc00a79f4e347ce7405c722acf2f97571ff785532d179a3b4021af5a6b2ee7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking memmem v0.1.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]     Checking sliceslice v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `sse4_strstr`
[INFO] [stdout]   --> benches/i386.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 | ...                   sse4_strstr::avx2_strstr_v2(haystack.as_bytes(), needle.as_bytes())
[INFO] [stdout]    |                       ^^^^^^^^^^^ use of undeclared crate or module `sse4_strstr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `sse4_strstr`
[INFO] [stdout]    --> benches/i386.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |                         sse4_strstr::avx2_strstr_v2(haystack.as_bytes(), needle.as_bytes())
[INFO] [stdout]     |                         ^^^^^^^^^^^ use of undeclared crate or module `sse4_strstr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `sse4_strstr`
[INFO] [stdout]   --> benches/random.rs:55:48
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   black_box(unsafe { sse4_strstr::avx2_strstr_v2(haystack, needle) })
[INFO] [stdout]    |                                          ^^^^^^^^^^^ use of undeclared crate or module `sse4_strstr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sliceslice`
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5cc00a79f4e347ce7405c722acf2f97571ff785532d179a3b4021af5a6b2ee7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cc00a79f4e347ce7405c722acf2f97571ff785532d179a3b4021af5a6b2ee7e", kill_on_drop: false }`
[INFO] [stdout] 5cc00a79f4e347ce7405c722acf2f97571ff785532d179a3b4021af5a6b2ee7e