[INFO] cloning repository https://github.com/Askaholic/rust-intro [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Askaholic/rust-intro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAskaholic%2Frust-intro", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAskaholic%2Frust-intro'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 863aaad62137c038592c5392e56e8b015f301c74 [INFO] testing Askaholic/rust-intro against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAskaholic%2Frust-intro" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Askaholic/rust-intro on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Askaholic/rust-intro [INFO] finished tweaking git repo https://github.com/Askaholic/rust-intro [INFO] tweaked toml for git repo https://github.com/Askaholic/rust-intro written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/Askaholic/rust-intro already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bitflags v1.0.3 [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.3.3 [INFO] [stderr] Downloaded libc v0.2.41 [INFO] [stderr] Downloaded rand_core v0.2.0 [INFO] [stderr] Downloaded fuchsia-zircon v0.3.3 [INFO] [stderr] Downloaded rand v0.5.0 [INFO] [stderr] Downloaded winapi v0.3.4 [INFO] running `Command { std: "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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 49024f851aae737f5330fbaa60fab2c2c61be8b40b59c1d1fffe991eaf3fd54a [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" "49024f851aae737f5330fbaa60fab2c2c61be8b40b59c1d1fffe991eaf3fd54a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "49024f851aae737f5330fbaa60fab2c2c61be8b40b59c1d1fffe991eaf3fd54a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49024f851aae737f5330fbaa60fab2c2c61be8b40b59c1d1fffe991eaf3fd54a", kill_on_drop: false }` [INFO] [stdout] 49024f851aae737f5330fbaa60fab2c2c61be8b40b59c1d1fffe991eaf3fd54a [INFO] running `Command { std: "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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53277e9aa166dc099ee9e9eed3d376522993167c56305f7147456fb9ab6c8ae0 [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" "53277e9aa166dc099ee9e9eed3d376522993167c56305f7147456fb9ab6c8ae0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.41 [INFO] [stderr] Compiling rand_core v0.2.0 [INFO] [stderr] Compiling rand v0.5.0 [INFO] [stderr] Compiling hello_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `guess` [INFO] [stdout] --> src/guess.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn guess() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_guess` [INFO] [stdout] --> src/guess.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | fn get_guess() -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.50s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "53277e9aa166dc099ee9e9eed3d376522993167c56305f7147456fb9ab6c8ae0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53277e9aa166dc099ee9e9eed3d376522993167c56305f7147456fb9ab6c8ae0", kill_on_drop: false }` [INFO] [stdout] 53277e9aa166dc099ee9e9eed3d376522993167c56305f7147456fb9ab6c8ae0 [INFO] running `Command { std: "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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f97d0eb10b7b300ad17283f4cd1262ef6b5acce4a6f9a81f6c0cb3fa9b804f24 [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" "f97d0eb10b7b300ad17283f4cd1262ef6b5acce4a6f9a81f6c0cb3fa9b804f24", kill_on_drop: false }` [INFO] [stderr] Compiling hello_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `guess` [INFO] [stdout] --> src/guess.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn guess() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_guess` [INFO] [stdout] --> src/guess.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | fn get_guess() -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.06s [INFO] running `Command { std: "docker" "inspect" "f97d0eb10b7b300ad17283f4cd1262ef6b5acce4a6f9a81f6c0cb3fa9b804f24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f97d0eb10b7b300ad17283f4cd1262ef6b5acce4a6f9a81f6c0cb3fa9b804f24", kill_on_drop: false }` [INFO] [stdout] f97d0eb10b7b300ad17283f4cd1262ef6b5acce4a6f9a81f6c0cb3fa9b804f24 [INFO] running `Command { std: "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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", 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] 41cac8cb68c31248703c7e96d74cca55d506632cfeaf60e3620decff18caea6b [INFO] running `Command { std: "docker" "start" "-a" "41cac8cb68c31248703c7e96d74cca55d506632cfeaf60e3620decff18caea6b", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: function is never used: `guess` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/guess.rs:14:8 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 14 | pub fn guess() { [INFO] [stdout] [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_guess` [INFO] [stderr] --> src/guess.rs:41:4 [INFO] [stderr] | [INFO] [stderr] 41 | fn get_guess() -> Result { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `hello_world` (bin "hello_world" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hello_world-f5f2fc2b9dbb0bab) [INFO] running `Command { std: "docker" "inspect" "41cac8cb68c31248703c7e96d74cca55d506632cfeaf60e3620decff18caea6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41cac8cb68c31248703c7e96d74cca55d506632cfeaf60e3620decff18caea6b", kill_on_drop: false }` [INFO] [stdout] 41cac8cb68c31248703c7e96d74cca55d506632cfeaf60e3620decff18caea6b