[INFO] updating cached repository https://github.com/l1x/hammer [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] 49c7d20f9a93c734390b335f77e2592979beabed [INFO] testing l1x/hammer against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fl1x%2Fhammer" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/l1x/hammer on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/l1x/hammer [INFO] finished tweaking git repo https://github.com/l1x/hammer [INFO] tweaked toml for git repo https://github.com/l1x/hammer written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/l1x/hammer already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /workspace/builds/worker-8/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 [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7a5493997c12a4b74823e7c6110e0504f3218cec345492ef24bea9184bd0f3f7 [INFO] running `"docker" "start" "-a" "7a5493997c12a4b74823e7c6110e0504f3218cec345492ef24bea9184bd0f3f7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling hyper v0.10.16 [INFO] [stderr] Compiling hammer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0599]: no method named `read_to_end` found for struct `hyper::client::Response` in the current scope [INFO] [stderr] --> src/main.rs:26:69 [INFO] [stderr] | [INFO] [stderr] 26 | let res = client.get("http://localhost:8080/hello").send()?.read_to_end(); [INFO] [stderr] | ^^^^^^^^^^^ method not found in `hyper::client::Response` [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::Read; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stderr] --> src/main.rs:26:19 [INFO] [stderr] | [INFO] [stderr] 19 | thread::spawn(move || { [INFO] [stderr] | ___________________- [INFO] [stderr] 20 | | let client = Client::new(); [INFO] [stderr] 21 | | let mut perf = Vec::with_capacity(NREQ as usize); [INFO] [stderr] 22 | | [INFO] [stderr] ... | [INFO] [stderr] 26 | | let res = client.get("http://localhost:8080/hello").send()?.read_to_end(); [INFO] [stderr] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a closure that returns `()` [INFO] [stderr] ... | [INFO] [stderr] 42 | | [INFO] [stderr] 43 | | }); [INFO] [stderr] | |_____- this function should return `Result` or `Option` to accept `?` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stderr] = note: required by `std::ops::Try::from_error` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0277, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: could not compile `hammer`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "7a5493997c12a4b74823e7c6110e0504f3218cec345492ef24bea9184bd0f3f7"` [INFO] running `"docker" "rm" "-f" "7a5493997c12a4b74823e7c6110e0504f3218cec345492ef24bea9184bd0f3f7"` [INFO] [stdout] 7a5493997c12a4b74823e7c6110e0504f3218cec345492ef24bea9184bd0f3f7