[INFO] updating cached repository https://github.com/O-I/nickel-demo
[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] 6a4e3f63f30bd6b76deb7a2ae40f91f891f353b5
[INFO] checking O-I/nickel-demo against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FO-I%2Fnickel-demo" "/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/O-I/nickel-demo 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/O-I/nickel-demo
[INFO] finished tweaking git repo https://github.com/O-I/nickel-demo
[INFO] tweaked toml for git repo https://github.com/O-I/nickel-demo written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/O-I/nickel-demo 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]     Blocking waiting for file lock on package cache
[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[INFO] the lockfile is outdated, regenerating it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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/nickel-org/nickel.rs.git`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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-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] 2e82e2506178b1687b18d46c76315dfda014acc702f0ee4ae2ea6b6fc26e6040
[INFO] running `"docker" "start" "-a" "2e82e2506178b1687b18d46c76315dfda014acc702f0ee4ae2ea6b6fc26e6040"`
[INFO] [stderr]     Checking groupable v0.2.0
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking nickel v0.11.0 (https://github.com/nickel-org/nickel.rs.git#da7770a8)
[INFO] [stderr]     Checking nickel-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: could not find `net` in `io`
[INFO] [stderr]  --> src/main.rs:3:14
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::net::ip::Ipv4Addr;
[INFO] [stderr]   |              ^^^ could not find `net` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function, tuple struct or tuple variant `Ipv4Addr` in this scope
[INFO] [stderr]   --> src/main.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 |   server.listen(Ipv4Addr(127, 0, 0, 1), 6767);
[INFO] [stderr]    |                 ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `net` in `io`
[INFO] [stderr]  --> src/main.rs:3:14
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::net::ip::Ipv4Addr;
[INFO] [stderr]   |              ^^^ could not find `net` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function, tuple struct or tuple variant `Ipv4Addr` in this scope
[INFO] [stderr]   --> src/main.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 |   server.listen(Ipv4Addr(127, 0, 0, 1), 6767);
[INFO] [stderr]    |                 ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `get` found for struct `nickel::Nickel` in the current scope
[INFO] [stderr]    --> src/main.rs:13:10
[INFO] [stderr]     |
[INFO] [stderr] 13  |   server.get("/hello", a_handler);
[INFO] [stderr]     |          ^^^ method not found in `nickel::Nickel`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/git/checkouts/nickel.rs-55228712a341ef3c/da7770a/src/router/http_router.rs:124:8
[INFO] [stderr]     |
[INFO] [stderr] 124 |     fn get<M: Into<Matcher>, H: Middleware<D>>(&mut self, matcher: M, handler: H) -> &mut Self {
[INFO] [stderr]     |        ---
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<nickel::Nickel>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<nickel::Nickel>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<nickel::Nickel>` here
[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] 3   | use nickel::HttpRouter;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stderr]   --> src/main.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 |   server.listen(Ipv4Addr(127, 0, 0, 1), 6767);
[INFO] [stderr]    |          ^^^^^^ ----------------------  ---- supplied 2 arguments
[INFO] [stderr]    |          |
[INFO] [stderr]    |          expected 1 argument
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `get` found for struct `nickel::Nickel` in the current scope
[INFO] [stderr]    --> src/main.rs:13:10
[INFO] [stderr]     |
[INFO] [stderr] 13  |   server.get("/hello", a_handler);
[INFO] [stderr]     |          ^^^ method not found in `nickel::Nickel`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/git/checkouts/nickel.rs-55228712a341ef3c/da7770a/src/router/http_router.rs:124:8
[INFO] [stderr]     |
[INFO] [stderr] 124 |     fn get<M: Into<Matcher>, H: Middleware<D>>(&mut self, matcher: M, handler: H) -> &mut Self {
[INFO] [stderr]     |        ---
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<nickel::Nickel>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<nickel::Nickel>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<nickel::Nickel>` here
[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] 3   | use nickel::HttpRouter;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stderr]   --> src/main.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 |   server.listen(Ipv4Addr(127, 0, 0, 1), 6767);
[INFO] [stderr]    |          ^^^^^^ ----------------------  ---- supplied 2 arguments
[INFO] [stderr]    |          |
[INFO] [stderr]    |          expected 1 argument
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0425, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0425, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: could not compile `nickel-demo`.
[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: could not compile `nickel-demo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2e82e2506178b1687b18d46c76315dfda014acc702f0ee4ae2ea6b6fc26e6040"`
[INFO] running `"docker" "rm" "-f" "2e82e2506178b1687b18d46c76315dfda014acc702f0ee4ae2ea6b6fc26e6040"`
[INFO] [stdout] 2e82e2506178b1687b18d46c76315dfda014acc702f0ee4ae2ea6b6fc26e6040
