[INFO] updating cached repository https://github.com/euclio/travis-cargo-rust
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7e66fd9122ff0e6f8e44bec93cab03b23225d73
[INFO] checking euclio/travis-cargo-rust against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclio%2Ftravis-cargo-rust" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/euclio/travis-cargo-rust on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/euclio/travis-cargo-rust
[INFO] finished tweaking git repo https://github.com/euclio/travis-cargo-rust
[INFO] tweaked toml for git repo https://github.com/euclio/travis-cargo-rust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/euclio/travis-cargo-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-13/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f22f9793c34427ab71e73eed232caa0cf4bfc91cae42bcbeff8d6afa6f799bae
[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" "f22f9793c34427ab71e73eed232caa0cf4bfc91cae42bcbeff8d6afa6f799bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f22f9793c34427ab71e73eed232caa0cf4bfc91cae42bcbeff8d6afa6f799bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f22f9793c34427ab71e73eed232caa0cf4bfc91cae42bcbeff8d6afa6f799bae", kill_on_drop: false }`
[INFO] [stdout] f22f9793c34427ab71e73eed232caa0cf4bfc91cae42bcbeff8d6afa6f799bae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f835771ac4a126357ac8a09d6c04e3e216e5de432705801b223197db95c43934
[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" "f835771ac4a126357ac8a09d6c04e3e216e5de432705801b223197db95c43934", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking regex-syntax v0.1.3
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.2.2
[INFO] [stderr]     Checking regex v0.1.38
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]     Checking travis-cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `&&[std::string::String]` is not an iterator
[INFO] [stdout]    --> src/coverage.rs:209:75
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let output = utils::run_output(Command::new("cargo").arg("test").args(&test_args));
[INFO] [stdout]     |                                                                           ^^^^^^^^^^ `&&[std::string::String]` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::iter::Iterator` is not implemented for `&&[std::string::String]`
[INFO] [stdout]     = note: required because of the requirements on the impl of `std::iter::IntoIterator` for `&&[std::string::String]`
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `travis-cargo`.
[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[E0277]: `&&[std::string::String]` is not an iterator
[INFO] [stdout]    --> src/coverage.rs:209:75
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let output = utils::run_output(Command::new("cargo").arg("test").args(&test_args));
[INFO] [stdout]     |                                                                           ^^^^^^^^^^ `&&[std::string::String]` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::iter::Iterator` is not implemented for `&&[std::string::String]`
[INFO] [stdout]     = note: required because of the requirements on the impl of `std::iter::IntoIterator` for `&&[std::string::String]`
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f835771ac4a126357ac8a09d6c04e3e216e5de432705801b223197db95c43934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f835771ac4a126357ac8a09d6c04e3e216e5de432705801b223197db95c43934", kill_on_drop: false }`
[INFO] [stdout] f835771ac4a126357ac8a09d6c04e3e216e5de432705801b223197db95c43934