[INFO] cloning repository https://github.com/pwoolcoc/nickel-error-example [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pwoolcoc/nickel-error-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwoolcoc%2Fnickel-error-example"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwoolcoc%2Fnickel-error-example'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 873c5140a67ab90f246aee93453c96eb4649964d [INFO] testing pwoolcoc/nickel-error-example against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwoolcoc%2Fnickel-error-example" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pwoolcoc/nickel-error-example 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/pwoolcoc/nickel-error-example [INFO] finished tweaking git repo https://github.com/pwoolcoc/nickel-error-example [INFO] tweaked toml for git repo https://github.com/pwoolcoc/nickel-error-example written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/pwoolcoc/nickel-error-example 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] error: the lock file /workspace/builds/worker-6/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 [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`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] 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 3edd390565c81f6682c90a048e7ce1b90a882429194c7cb71d0c44b654c892a9 [INFO] running `"docker" "start" "-a" "3edd390565c81f6682c90a048e7ce1b90a882429194c7cb71d0c44b654c892a9"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling serde v1.0.111 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling smallvec v1.4.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling groupable v0.2.0 [INFO] [stderr] Compiling modifier v0.1.0 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling plugin v0.2.6 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling unicode-normalization v0.1.12 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling hyper v0.10.16 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling serde_json v1.0.53 [INFO] [stderr] Compiling mustache v0.9.0 [INFO] [stderr] Compiling nickel v0.11.0 [INFO] [stderr] Compiling nickel-error-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:12:16 [INFO] [stderr] | [INFO] [stderr] 12 | / middleware! { |_, res| [INFO] [stderr] 13 | | return res.send("foo") [INFO] [stderr] | | ---------------------- any code following this expression is unreachable [INFO] [stderr] 14 | | }); [INFO] [stderr] | |_____^ unreachable expression [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:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | server.listen("0.0.0.0:0"); [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 34.48s [INFO] running `"docker" "inspect" "3edd390565c81f6682c90a048e7ce1b90a882429194c7cb71d0c44b654c892a9"` [INFO] running `"docker" "rm" "-f" "3edd390565c81f6682c90a048e7ce1b90a882429194c7cb71d0c44b654c892a9"` [INFO] [stdout] 3edd390565c81f6682c90a048e7ce1b90a882429194c7cb71d0c44b654c892a9 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ce6e9099e2d51aa366fbde8b0d268aa87a2a6e01d622845f7b8a60448a236153 [INFO] running `"docker" "start" "-a" "ce6e9099e2d51aa366fbde8b0d268aa87a2a6e01d622845f7b8a60448a236153"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling nickel-error-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:12:16 [INFO] [stderr] | [INFO] [stderr] 12 | / middleware! { |_, res| [INFO] [stderr] 13 | | return res.send("foo") [INFO] [stderr] | | ---------------------- any code following this expression is unreachable [INFO] [stderr] 14 | | }); [INFO] [stderr] | |_____^ unreachable expression [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:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | server.listen("0.0.0.0:0"); [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 0.64s [INFO] running `"docker" "inspect" "ce6e9099e2d51aa366fbde8b0d268aa87a2a6e01d622845f7b8a60448a236153"` [INFO] running `"docker" "rm" "-f" "ce6e9099e2d51aa366fbde8b0d268aa87a2a6e01d622845f7b8a60448a236153"` [INFO] [stdout] ce6e9099e2d51aa366fbde8b0d268aa87a2a6e01d622845f7b8a60448a236153 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1d65ee344dee676e6c668093e7793827cdc080f41205b9e5b0a893487e7c0ce4 [INFO] running `"docker" "start" "-a" "1d65ee344dee676e6c668093e7793827cdc080f41205b9e5b0a893487e7c0ce4"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:12:16 [INFO] [stderr] | [INFO] [stderr] 12 | / middleware! { |_, res| [INFO] [stderr] 13 | | return res.send("foo") [INFO] [stderr] | | ---------------------- any code following this expression is unreachable [INFO] [stderr] 14 | | }); [INFO] [stderr] | |_____^ unreachable expression [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:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | server.listen("0.0.0.0:0"); [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 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/nickel_error_test-c3b908d01fb9271f [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" "1d65ee344dee676e6c668093e7793827cdc080f41205b9e5b0a893487e7c0ce4"` [INFO] running `"docker" "rm" "-f" "1d65ee344dee676e6c668093e7793827cdc080f41205b9e5b0a893487e7c0ce4"` [INFO] [stdout] 1d65ee344dee676e6c668093e7793827cdc080f41205b9e5b0a893487e7c0ce4