[INFO] crate pact_verifier_cli 0.6.1 is already in cache
[INFO] checking pact_verifier_cli-0.6.1 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate pact_verifier_cli 0.6.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pact_verifier_cli 0.6.1 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pact_verifier_cli 0.6.1
[INFO] finished tweaking crates.io crate pact_verifier_cli 0.6.1
[INFO] tweaked toml for crates.io crate pact_verifier_cli 0.6.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate pact_verifier_cli 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+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] 4e0ec1dd895d1f6f20907b1ca120b086faedf76e098596fed85c3531e1b11a89
[INFO] running `"docker" "start" "-a" "4e0ec1dd895d1f6f20907b1ca120b086faedf76e098596fed85c3531e1b11a89"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]     Checking indexmap v1.2.0
[INFO] [stderr]     Checking typed-arena v1.6.1
[INFO] [stderr]     Checking indextree v1.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]     Checking semver v0.7.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]     Checking difference v0.4.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking base64 v0.7.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling parse-zoneinfo v0.1.1
[INFO] [stderr]     Checking sxd-document v0.2.6
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking rand_regex v0.12.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling failure_derive v0.1.5
[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-0.0.3/src/utils.rs:45:30
[INFO] [stderr]    |
[INFO] [stderr] 45 |         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] 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" "4e0ec1dd895d1f6f20907b1ca120b086faedf76e098596fed85c3531e1b11a89"`
[INFO] running `"docker" "rm" "-f" "4e0ec1dd895d1f6f20907b1ca120b086faedf76e098596fed85c3531e1b11a89"`
[INFO] [stdout] 4e0ec1dd895d1f6f20907b1ca120b086faedf76e098596fed85c3531e1b11a89