[INFO] cloning repository https://github.com/KoharaKazuya/cocore
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KoharaKazuya/cocore" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoharaKazuya%2Fcocore", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoharaKazuya%2Fcocore'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 979cd3e47ef724b0931e7b7354201675b5774f77
[INFO] checking KoharaKazuya/cocore against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoharaKazuya%2Fcocore" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KoharaKazuya/cocore on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KoharaKazuya/cocore
[INFO] finished tweaking git repo https://github.com/KoharaKazuya/cocore
[INFO] tweaked toml for git repo https://github.com/KoharaKazuya/cocore written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/KoharaKazuya/cocore already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cssparser v0.25.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fc873dff791e8c9d3716b9e0df110a528033a2e9747fdd27e60a4b97a3e5cbc
[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" "2fc873dff791e8c9d3716b9e0df110a528033a2e9747fdd27e60a4b97a3e5cbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fc873dff791e8c9d3716b9e0df110a528033a2e9747fdd27e60a4b97a3e5cbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc873dff791e8c9d3716b9e0df110a528033a2e9747fdd27e60a4b97a3e5cbc", kill_on_drop: false }`
[INFO] [stdout] 2fc873dff791e8c9d3716b9e0df110a528033a2e9747fdd27e60a4b97a3e5cbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fed83974941ef8e86858e4e4565a65569449a17a3488ad4867651b5eea21423d
[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" "fed83974941ef8e86858e4e4565a65569449a17a3488ad4867651b5eea21423d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling rand_jitter v0.1.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling cssparser v0.25.2
[INFO] [stderr]    Compiling cssparser-macros v0.3.5
[INFO] [stdout] error[E0506]: cannot assign to `self.input.cached_token` because it is borrowed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.2/src/parser.rs:584:17
[INFO] [stdout]     |
[INFO] [stdout] 559 |     pub fn next_including_whitespace_and_comments(&mut self) -> Result<&Token<'i>, BasicParseError<'i>> {
[INFO] [stdout]     |                                                   - let's call the lifetime of this reference `'1`
[INFO] [stdout] ...
[INFO] [stdout] 572 |             Some(ref cached_token)
[INFO] [stdout]     |                  ---------------- borrow of `self.input.cached_token` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 584 |                 self.input.cached_token = Some(CachedToken {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ assignment to borrowed `self.input.cached_token` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 596 |         Ok(token)
[INFO] [stdout]     |         --------- returning this value requires that `self.input.cached_token.0` is borrowed for `'1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0506`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cssparser`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "fed83974941ef8e86858e4e4565a65569449a17a3488ad4867651b5eea21423d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fed83974941ef8e86858e4e4565a65569449a17a3488ad4867651b5eea21423d", kill_on_drop: false }`
[INFO] [stdout] fed83974941ef8e86858e4e4565a65569449a17a3488ad4867651b5eea21423d