[INFO] cloning repository https://github.com/pwoolcoc/nickel-error-example [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwoolcoc%2Fnickel-error-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 873c5140a67ab90f246aee93453c96eb4649964d [INFO] testing pwoolcoc/nickel-error-example against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwoolcoc%2Fnickel-error-example" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pwoolcoc/nickel-error-example on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-9/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-9/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 [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fff33dc244250016a4728e1912e8b1dbecf897b26a22a427b209dfa81d36949b [INFO] running `Command { std: "docker" "start" "-a" "fff33dc244250016a4728e1912e8b1dbecf897b26a22a427b209dfa81d36949b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fff33dc244250016a4728e1912e8b1dbecf897b26a22a427b209dfa81d36949b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fff33dc244250016a4728e1912e8b1dbecf897b26a22a427b209dfa81d36949b", kill_on_drop: false }` [INFO] [stdout] fff33dc244250016a4728e1912e8b1dbecf897b26a22a427b209dfa81d36949b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 80e424ddf9d9ca53ff2f7142fd1c7e8b034d8a125e0d804b4537bdcb3995a0cc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "80e424ddf9d9ca53ff2f7142fd1c7e8b034d8a125e0d804b4537bdcb3995a0cc", kill_on_drop: false }` [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling groupable v0.2.0 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling mustache v0.9.0 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling hyper v0.10.16 [INFO] [stderr] Compiling nickel v0.11.0 [INFO] [stderr] Compiling nickel-error-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | / middleware! { |_, res| [INFO] [stdout] 13 | | return res.send("foo") [INFO] [stdout] | | ---------------------- any code following this expression is unreachable [INFO] [stdout] 14 | | }); [INFO] [stdout] | |_____^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | server.listen("0.0.0.0:0"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.17s [INFO] running `Command { std: "docker" "inspect" "80e424ddf9d9ca53ff2f7142fd1c7e8b034d8a125e0d804b4537bdcb3995a0cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80e424ddf9d9ca53ff2f7142fd1c7e8b034d8a125e0d804b4537bdcb3995a0cc", kill_on_drop: false }` [INFO] [stdout] 80e424ddf9d9ca53ff2f7142fd1c7e8b034d8a125e0d804b4537bdcb3995a0cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 253127f66574e532823309780484831c19b57129e7a9804424af4ae68ffbc246 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "253127f66574e532823309780484831c19b57129e7a9804424af4ae68ffbc246", kill_on_drop: false }` [INFO] [stderr] Compiling nickel-error-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | / middleware! { |_, res| [INFO] [stdout] 13 | | return res.send("foo") [INFO] [stdout] | | ---------------------- any code following this expression is unreachable [INFO] [stdout] 14 | | }); [INFO] [stdout] | |_____^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | server.listen("0.0.0.0:0"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `Command { std: "docker" "inspect" "253127f66574e532823309780484831c19b57129e7a9804424af4ae68ffbc246", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "253127f66574e532823309780484831c19b57129e7a9804424af4ae68ffbc246", kill_on_drop: false }` [INFO] [stdout] 253127f66574e532823309780484831c19b57129e7a9804424af4ae68ffbc246 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 90246a3bc717a99f211f103b92f191415839b6d97aa4a38c8159b160ba6e394a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "90246a3bc717a99f211f103b92f191415839b6d97aa4a38c8159b160ba6e394a", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unreachable expression [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:12:16 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] 12 | / middleware! { |_, res| [INFO] [stdout] [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-cfa9300809a66c03 [INFO] running `Command { std: "docker" "inspect" "90246a3bc717a99f211f103b92f191415839b6d97aa4a38c8159b160ba6e394a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90246a3bc717a99f211f103b92f191415839b6d97aa4a38c8159b160ba6e394a", kill_on_drop: false }` [INFO] [stdout] 90246a3bc717a99f211f103b92f191415839b6d97aa4a38c8159b160ba6e394a