[INFO] updating cached repository https://github.com/buntine/pfnp-course
[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] b7cc87ac5307628e4f68dfe8d3a49e560bd248ed
[INFO] testing buntine/pfnp-course against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuntine%2Fpfnp-course" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  58% (48/82)   
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Checking out files: 100% (82/82), done.
[INFO] validating manifest of git repo https://github.com/buntine/pfnp-course 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/buntine/pfnp-course
[INFO] finished tweaking git repo https://github.com/buntine/pfnp-course
[INFO] tweaked toml for git repo https://github.com/buntine/pfnp-course written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/buntine/pfnp-course 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]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-11/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[INFO] the lockfile is outdated, regenerating it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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 34d2540b29bd6d2c57ff04cb0fd0fd998fdf229a7674fd82e3f8a30e09933cca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "34d2540b29bd6d2c57ff04cb0fd0fd998fdf229a7674fd82e3f8a30e09933cca"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling mustache v0.9.0
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stderr]    Compiling nickel v0.11.0
[INFO] [stderr]    Compiling pfnp-course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:11:35
[INFO] [stderr]     |
[INFO] [stderr] 11  |       router.get("/course/:course", middleware! { |req, res|
[INFO] [stderr]     |  ___________________________________^
[INFO] [stderr] 12  | |         let mut data = HashMap::new();
[INFO] [stderr] 13  | |         let course = req.param("course").unwrap();
[INFO] [stderr] 14  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 17  | |         return res.render(format!("views/{}.tpl", course), &data);
[INFO] [stderr] 18  | |     });
[INFO] [stderr]     | |_____^ unreachable expression
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nickel-0.11.0/src/macros/middleware.rs:117:41
[INFO] [stderr]     |
[INFO] [stderr] 117 |   macro_rules! as_block { ($b:block) => ( $b ) }
[INFO] [stderr]     |                                           -- any code following this expression is unreachable
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     server.listen("127.0.0.1:6767");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.71s
[INFO] running `"docker" "inspect" "34d2540b29bd6d2c57ff04cb0fd0fd998fdf229a7674fd82e3f8a30e09933cca"`
[INFO] running `"docker" "rm" "-f" "34d2540b29bd6d2c57ff04cb0fd0fd998fdf229a7674fd82e3f8a30e09933cca"`
[INFO] [stdout] 34d2540b29bd6d2c57ff04cb0fd0fd998fdf229a7674fd82e3f8a30e09933cca
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4681deb81a9188394418b53e6e049658c6bec93d0a6a788208fed17973e7ae0e
[INFO] running `"docker" "start" "-a" "4681deb81a9188394418b53e6e049658c6bec93d0a6a788208fed17973e7ae0e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pfnp-course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:11:35
[INFO] [stderr]     |
[INFO] [stderr] 11  |       router.get("/course/:course", middleware! { |req, res|
[INFO] [stderr]     |  ___________________________________^
[INFO] [stderr] 12  | |         let mut data = HashMap::new();
[INFO] [stderr] 13  | |         let course = req.param("course").unwrap();
[INFO] [stderr] 14  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 17  | |         return res.render(format!("views/{}.tpl", course), &data);
[INFO] [stderr] 18  | |     });
[INFO] [stderr]     | |_____^ unreachable expression
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nickel-0.11.0/src/macros/middleware.rs:117:41
[INFO] [stderr]     |
[INFO] [stderr] 117 |   macro_rules! as_block { ($b:block) => ( $b ) }
[INFO] [stderr]     |                                           -- any code following this expression is unreachable
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     server.listen("127.0.0.1:6767");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "4681deb81a9188394418b53e6e049658c6bec93d0a6a788208fed17973e7ae0e"`
[INFO] running `"docker" "rm" "-f" "4681deb81a9188394418b53e6e049658c6bec93d0a6a788208fed17973e7ae0e"`
[INFO] [stdout] 4681deb81a9188394418b53e6e049658c6bec93d0a6a788208fed17973e7ae0e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 96488655457aa76b48b1ce0c360a44c7f00a19dadf0262c43c17b5ac622c3174
[INFO] running `"docker" "start" "-a" "96488655457aa76b48b1ce0c360a44c7f00a19dadf0262c43c17b5ac622c3174"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:11:35
[INFO] [stderr]     |
[INFO] [stderr] 11  |       router.get("/course/:course", middleware! { |req, res|
[INFO] [stderr]     |  ___________________________________^
[INFO] [stderr] 12  | |         let mut data = HashMap::new();
[INFO] [stderr] 13  | |         let course = req.param("course").unwrap();
[INFO] [stderr] 14  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 17  | |         return res.render(format!("views/{}.tpl", course), &data);
[INFO] [stderr] 18  | |     });
[INFO] [stderr]     | |_____^ unreachable expression
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nickel-0.11.0/src/macros/middleware.rs:117:41
[INFO] [stderr]     |
[INFO] [stderr] 117 |   macro_rules! as_block { ($b:block) => ( $b ) }
[INFO] [stderr]     |                                           -- any code following this expression is unreachable
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     server.listen("127.0.0.1:6767");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pfnp_course-ee3605ada2f1490e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "96488655457aa76b48b1ce0c360a44c7f00a19dadf0262c43c17b5ac622c3174"`
[INFO] running `"docker" "rm" "-f" "96488655457aa76b48b1ce0c360a44c7f00a19dadf0262c43c17b5ac622c3174"`
[INFO] [stdout] 96488655457aa76b48b1ce0c360a44c7f00a19dadf0262c43c17b5ac622c3174