[INFO] updating cached repository https://github.com/Gonzih/temperature-service.rs
[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] d67e0b74a96e778ad1d6dc032b83ebce2a46be16
[INFO] checking Gonzih/temperature-service.rs against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGonzih%2Ftemperature-service.rs" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gonzih/temperature-service.rs on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Gonzih/temperature-service.rs
[INFO] finished tweaking git repo https://github.com/Gonzih/temperature-service.rs
[INFO] tweaked toml for git repo https://github.com/Gonzih/temperature-service.rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Gonzih/temperature-service.rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/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[INFO] the lockfile is outdated, regenerating it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 `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] f00d830d5c53ff0755531fdb5063623bc5782a2e3caf58da6dd6f7f10a1214a4
[INFO] running `"docker" "start" "-a" "f00d830d5c53ff0755531fdb5063623bc5782a2e3caf58da6dd6f7f10a1214a4"`
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]     Checking pest v0.3.3
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]    Compiling rocket_codegen v0.1.6
[INFO] [stderr]     Checking term-painter v0.2.4
[INFO] [stderr]     Checking hyper v0.9.14
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking handlebars v0.23.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]     Checking rocket v0.1.6
[INFO] [stderr] error[E0283]: type annotations needed
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.1.6/src/http/header.rs:444:47
[INFO] [stderr]     |
[INFO] [stderr] 444 |                 Header::new(key.as_str(), val.borrow())
[INFO] [stderr]     |                                               ^^^^^^ cannot infer type for enum `std::borrow::Cow<'_, str>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: cannot satisfy `std::borrow::Cow<'_, str>: std::borrow::Borrow<_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: could not compile `rocket`.
[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] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f00d830d5c53ff0755531fdb5063623bc5782a2e3caf58da6dd6f7f10a1214a4"`
[INFO] running `"docker" "rm" "-f" "f00d830d5c53ff0755531fdb5063623bc5782a2e3caf58da6dd6f7f10a1214a4"`
[INFO] [stdout] f00d830d5c53ff0755531fdb5063623bc5782a2e3caf58da6dd6f7f10a1214a4
