[INFO] updating cached repository https://github.com/yinyanlv/runner
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4dc537bb55cf4e3be997430c80ea98526692b6aa
[INFO] checking yinyanlv/runner against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyinyanlv%2Frunner" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yinyanlv/runner on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/yinyanlv/runner
[INFO] finished tweaking git repo https://github.com/yinyanlv/runner
[INFO] tweaked toml for git repo https://github.com/yinyanlv/runner written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/yinyanlv/runner already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] f7dc332d7eedfac1709bab01fd9c7e6046a0993d6f8339baa3b8a4b130f3622e
[INFO] running `"docker" "start" "-a" "f7dc332d7eedfac1709bab01fd9c7e6046a0993d6f8339baa3b8a4b130f3622e"`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking matches v0.1.7
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.12
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling redis v0.7.1
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking sequence_trie v0.2.1
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking bufstream v0.1.3
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking buf_redux v0.6.3
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking atoi v0.2.3
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling email v0.0.19
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking r2d2 v0.7.4
[INFO] [stderr]     Checking quick-xml v0.4.2
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr] error[E0277]: cannot add `&std::borrow::Cow<'_, str>` to `std::string::String`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pulldown-cmark-0.1.2/src/utils.rs:51:30
[INFO] [stderr]    |
[INFO] [stderr] 51 |         Owned(a.into_owned() + &b)
[INFO] [stderr]    |                              ^ no implementation for `std::string::String + &std::borrow::Cow<'_, str>`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::ops::Add<&std::borrow::Cow<'_, str>>` is not implemented for `std::string::String`
[INFO] [stderr] 
[INFO] [stderr]     Checking url v0.2.38
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `pulldown-cmark`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f7dc332d7eedfac1709bab01fd9c7e6046a0993d6f8339baa3b8a4b130f3622e"`
[INFO] running `"docker" "rm" "-f" "f7dc332d7eedfac1709bab01fd9c7e6046a0993d6f8339baa3b8a4b130f3622e"`
[INFO] [stdout] f7dc332d7eedfac1709bab01fd9c7e6046a0993d6f8339baa3b8a4b130f3622e