[INFO] cloning repository https://github.com/staszewski/teaching-material-assignments [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/staszewski/teaching-material-assignments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstaszewski%2Fteaching-material-assignments", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstaszewski%2Fteaching-material-assignments'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b10424f08d88aba455f69553493aa199fbd22693 [INFO] testing staszewski/teaching-material-assignments against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstaszewski%2Fteaching-material-assignments" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/staszewski/teaching-material-assignments on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/staszewski/teaching-material-assignments [INFO] finished tweaking git repo https://github.com/staszewski/teaching-material-assignments [INFO] tweaked toml for git repo https://github.com/staszewski/teaching-material-assignments written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/staszewski/teaching-material-assignments already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cf3bafb884d9425fa0646df04965efc0f54eeb8369607a706d08159c591e8066 [INFO] running `Command { std: "docker" "start" "-a" "cf3bafb884d9425fa0646df04965efc0f54eeb8369607a706d08159c591e8066", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cf3bafb884d9425fa0646df04965efc0f54eeb8369607a706d08159c591e8066", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf3bafb884d9425fa0646df04965efc0f54eeb8369607a706d08159c591e8066", kill_on_drop: false }` [INFO] [stdout] cf3bafb884d9425fa0646df04965efc0f54eeb8369607a706d08159c591e8066 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b099919c0600da45d3842de0d2b347280d544ace5c5733a78a6a4200677a139a [INFO] running `Command { std: "docker" "start" "-a" "b099919c0600da45d3842de0d2b347280d544ace5c5733a78a6a4200677a139a", kill_on_drop: false }` [INFO] [stderr] Compiling tinyvec v0.3.4 [INFO] [stderr] Compiling unicode-normalization v0.1.13 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling hello_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/io.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | Err(e) => None, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fizz_buzz` [INFO] [stdout] --> src/fizz_buzz.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn fizz_buzz(i: i32) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse_line` [INFO] [stdout] --> src/io.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn parse_line(line: String) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `io` [INFO] [stdout] --> src/io.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn io() { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.73s [INFO] running `Command { std: "docker" "inspect" "b099919c0600da45d3842de0d2b347280d544ace5c5733a78a6a4200677a139a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b099919c0600da45d3842de0d2b347280d544ace5c5733a78a6a4200677a139a", kill_on_drop: false }` [INFO] [stdout] b099919c0600da45d3842de0d2b347280d544ace5c5733a78a6a4200677a139a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1623d871c2d3e91708ffa205d7d9e3548f7e64e7e3a3adb94ab01dd52fa1ffaf [INFO] running `Command { std: "docker" "start" "-a" "1623d871c2d3e91708ffa205d7d9e3548f7e64e7e3a3adb94ab01dd52fa1ffaf", kill_on_drop: false }` [INFO] [stderr] Compiling hello_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/io.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | Err(e) => None, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `io` [INFO] [stdout] --> src/io.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn io() { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "1623d871c2d3e91708ffa205d7d9e3548f7e64e7e3a3adb94ab01dd52fa1ffaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1623d871c2d3e91708ffa205d7d9e3548f7e64e7e3a3adb94ab01dd52fa1ffaf", kill_on_drop: false }` [INFO] [stdout] 1623d871c2d3e91708ffa205d7d9e3548f7e64e7e3a3adb94ab01dd52fa1ffaf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 803e3fcc3f175494ee9405fd4626357cb6ee51648ffd478d8e3d2e64fb0056ad [INFO] running `Command { std: "docker" "start" "-a" "803e3fcc3f175494ee9405fd4626357cb6ee51648ffd478d8e3d2e64fb0056ad", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/io.rs:10:13 [INFO] [stderr] | [INFO] [stderr] 10 | Err(e) => None, [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `io` [INFO] [stderr] --> src/io.rs:14:4 [INFO] [stderr] | [INFO] [stderr] 14 | fn io() { [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `hello_world` (bin "hello_world" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hello_world-67c1d01f610395c2) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test fizz_buzz::tests::test_buzz ... ok [INFO] [stdout] test fizz_buzz::tests::test_fizzbuzz ... ok [INFO] [stdout] test fizz_buzz::tests::test_fizz ... ok [INFO] [stdout] test fizz_buzz::tests::test_non_fizz_buzz_value ... ok [INFO] [stdout] test io::tests::no_url ... ok [INFO] [stdout] test io::tests::parse_correctly ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "803e3fcc3f175494ee9405fd4626357cb6ee51648ffd478d8e3d2e64fb0056ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "803e3fcc3f175494ee9405fd4626357cb6ee51648ffd478d8e3d2e64fb0056ad", kill_on_drop: false }` [INFO] [stdout] 803e3fcc3f175494ee9405fd4626357cb6ee51648ffd478d8e3d2e64fb0056ad