[INFO] updating cached repository https://github.com/pepeul1191/rust-tutorial [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] b6a44b11db61c9d3e3eecf17c68275655e18cdde [INFO] testing pepeul1191/rust-tutorial against 1.38.0 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepeul1191%2Frust-tutorial" "work/builds/worker-3/source"` [INFO] [stderr] Cloning into 'work/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pepeul1191/rust-tutorial on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/pepeul1191/rust-tutorial [INFO] finished tweaking git repo https://github.com/pepeul1191/rust-tutorial [INFO] tweaked toml for git repo https://github.com/pepeul1191/rust-tutorial written to work/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/pepeul1191/rust-tutorial already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"` [INFO] [stdout] b9e1f7cf7146a9a55d2af73417af1c92299db18d533795a0a723ae118317741e [INFO] running `"docker" "start" "-a" "b9e1f7cf7146a9a55d2af73417af1c92299db18d533795a0a723ae118317741e"` [INFO] [stderr] Compiling mustache v0.8.2 [INFO] [stderr] Compiling nickel v0.10.1 [INFO] [stderr] Compiling nickel-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `is_it_true` [INFO] [stderr] --> src/main.rs:11:7 [INFO] [stderr] | [INFO] [stderr] 11 | let is_it_true: bool = true; [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_is_it_true` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `let_x` [INFO] [stderr] --> src/main.rs:12:7 [INFO] [stderr] | [INFO] [stderr] 12 | let let_x: char = 'x'; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_let_x` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:10:7 [INFO] [stderr] | [INFO] [stderr] 10 | let mut num: i32 = 10; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `func2` [INFO] [stderr] --> src/constants.rs:2:2 [INFO] [stderr] | [INFO] [stderr] 2 | pub fn func2() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `goodbye` [INFO] [stderr] --> src/english/farewells.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | fn goodbye() -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `hello` [INFO] [stderr] --> src/japanese/greetings.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | fn hello() -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `goodbye` [INFO] [stderr] --> src/japanese/farewells.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | fn goodbye() -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:32:3 [INFO] [stderr] | [INFO] [stderr] 32 | 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] Finished dev [unoptimized + debuginfo] target(s) in 14.09s [INFO] running `"docker" "inspect" "b9e1f7cf7146a9a55d2af73417af1c92299db18d533795a0a723ae118317741e"` [INFO] running `"docker" "rm" "-f" "b9e1f7cf7146a9a55d2af73417af1c92299db18d533795a0a723ae118317741e"` [INFO] [stdout] b9e1f7cf7146a9a55d2af73417af1c92299db18d533795a0a723ae118317741e [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen" "--no-run"` [INFO] [stdout] a824ee578978aecae4d6cd4e13560f80d12575e893df7656de1633cdd872bbd4 [INFO] running `"docker" "start" "-a" "a824ee578978aecae4d6cd4e13560f80d12575e893df7656de1633cdd872bbd4"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling nickel-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `is_it_true` [INFO] [stderr] --> src/main.rs:11:7 [INFO] [stderr] | [INFO] [stderr] 11 | let is_it_true: bool = true; [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_is_it_true` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `let_x` [INFO] [stderr] --> src/main.rs:12:7 [INFO] [stderr] | [INFO] [stderr] 12 | let let_x: char = 'x'; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_let_x` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:10:7 [INFO] [stderr] | [INFO] [stderr] 10 | let mut num: i32 = 10; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `func2` [INFO] [stderr] --> src/constants.rs:2:2 [INFO] [stderr] | [INFO] [stderr] 2 | pub fn func2() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `goodbye` [INFO] [stderr] --> src/english/farewells.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | fn goodbye() -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `hello` [INFO] [stderr] --> src/japanese/greetings.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | fn hello() -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `goodbye` [INFO] [stderr] --> src/japanese/farewells.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | fn goodbye() -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:32:3 [INFO] [stderr] | [INFO] [stderr] 32 | 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] Finished dev [unoptimized + debuginfo] target(s) in 2.60s [INFO] running `"docker" "inspect" "a824ee578978aecae4d6cd4e13560f80d12575e893df7656de1633cdd872bbd4"` [INFO] running `"docker" "rm" "-f" "a824ee578978aecae4d6cd4e13560f80d12575e893df7656de1633cdd872bbd4"` [INFO] [stdout] a824ee578978aecae4d6cd4e13560f80d12575e893df7656de1633cdd872bbd4 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen"` [INFO] [stdout] 72b80a316ce7d87c3a0d7ae157ebf5e8c0148f66d973fe8b1ceca1f7a290586a [INFO] running `"docker" "start" "-a" "72b80a316ce7d87c3a0d7ae157ebf5e8c0148f66d973fe8b1ceca1f7a290586a"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/nickel_demo-b67a7c820886fafb [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" "72b80a316ce7d87c3a0d7ae157ebf5e8c0148f66d973fe8b1ceca1f7a290586a"` [INFO] running `"docker" "rm" "-f" "72b80a316ce7d87c3a0d7ae157ebf5e8c0148f66d973fe8b1ceca1f7a290586a"` [INFO] [stdout] 72b80a316ce7d87c3a0d7ae157ebf5e8c0148f66d973fe8b1ceca1f7a290586a