[INFO] cloning repository https://github.com/alisyahidin/learn-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alisyahidin/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falisyahidin%2Flearn-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falisyahidin%2Flearn-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 39e06a4c47405f6bd1d3bfee0b1d08a704491315 [INFO] testing alisyahidin/learn-rust against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falisyahidin%2Flearn-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alisyahidin/learn-rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/alisyahidin/learn-rust [INFO] finished tweaking git repo https://github.com/alisyahidin/learn-rust [INFO] tweaked toml for git repo https://github.com/alisyahidin/learn-rust written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/alisyahidin/learn-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5c5c8d92a516fad4d89974fdd5c0568e24db2f4a922ccd6074442f84def75290 [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" "5c5c8d92a516fad4d89974fdd5c0568e24db2f4a922ccd6074442f84def75290", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c5c8d92a516fad4d89974fdd5c0568e24db2f4a922ccd6074442f84def75290", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c5c8d92a516fad4d89974fdd5c0568e24db2f4a922ccd6074442f84def75290", kill_on_drop: false }` [INFO] [stdout] 5c5c8d92a516fad4d89974fdd5c0568e24db2f4a922ccd6074442f84def75290 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d25c84cc0f58f019f1884ac3d22b156fd469c03eb173cd96bb4becfd405a0133 [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" "d25c84cc0f58f019f1884ac3d22b156fd469c03eb173cd96bb4becfd405a0133", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.104 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.14 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Monday` [INFO] [stdout] --> src/main.rs:127:5 [INFO] [stdout] | [INFO] [stdout] 127 | Monday, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Tuesday` [INFO] [stdout] --> src/main.rs:128:5 [INFO] [stdout] | [INFO] [stdout] 128 | Tuesday, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Wednesday` [INFO] [stdout] --> src/main.rs:129:5 [INFO] [stdout] | [INFO] [stdout] 129 | Wednesday, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Thursday` [INFO] [stdout] --> src/main.rs:130:5 [INFO] [stdout] | [INFO] [stdout] 130 | Thursday, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Friday` [INFO] [stdout] --> src/main.rs:131:5 [INFO] [stdout] | [INFO] [stdout] 131 | Friday, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Sunday` [INFO] [stdout] --> src/main.rs:133:5 [INFO] [stdout] | [INFO] [stdout] 133 | Sunday, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.45s [INFO] running `Command { std: "docker" "inspect" "d25c84cc0f58f019f1884ac3d22b156fd469c03eb173cd96bb4becfd405a0133", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d25c84cc0f58f019f1884ac3d22b156fd469c03eb173cd96bb4becfd405a0133", kill_on_drop: false }` [INFO] [stdout] d25c84cc0f58f019f1884ac3d22b156fd469c03eb173cd96bb4becfd405a0133 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66babcd1a846eac07d9554a857b8b130c93b7d570b025404f8e73f074ce7c778 [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" "66babcd1a846eac07d9554a857b8b130c93b7d570b025404f8e73f074ce7c778", kill_on_drop: false }` [INFO] [stderr] Compiling hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Monday` [INFO] [stdout] --> src/main.rs:127:5 [INFO] [stdout] | [INFO] [stdout] 127 | Monday, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Tuesday` [INFO] [stdout] --> src/main.rs:128:5 [INFO] [stdout] | [INFO] [stdout] 128 | Tuesday, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Wednesday` [INFO] [stdout] --> src/main.rs:129:5 [INFO] [stdout] | [INFO] [stdout] 129 | Wednesday, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Thursday` [INFO] [stdout] --> src/main.rs:130:5 [INFO] [stdout] | [INFO] [stdout] 130 | Thursday, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Friday` [INFO] [stdout] --> src/main.rs:131:5 [INFO] [stdout] | [INFO] [stdout] 131 | Friday, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Sunday` [INFO] [stdout] --> src/main.rs:133:5 [INFO] [stdout] | [INFO] [stdout] 133 | Sunday, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "66babcd1a846eac07d9554a857b8b130c93b7d570b025404f8e73f074ce7c778", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66babcd1a846eac07d9554a857b8b130c93b7d570b025404f8e73f074ce7c778", kill_on_drop: false }` [INFO] [stdout] 66babcd1a846eac07d9554a857b8b130c93b7d570b025404f8e73f074ce7c778 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] f1d111dcc5a447d157d48b80366d1e266c984cd0822a2d361a9025366d96cabb [INFO] running `Command { std: "docker" "start" "-a" "f1d111dcc5a447d157d48b80366d1e266c984cd0822a2d361a9025366d96cabb", kill_on_drop: false }` [INFO] [stderr] warning: variant is never constructed: `Monday` [INFO] [stderr] --> src/main.rs:127:5 [INFO] [stderr] | [INFO] [stderr] 127 | Monday, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Tuesday` [INFO] [stderr] --> src/main.rs:128:5 [INFO] [stderr] | [INFO] [stderr] 128 | Tuesday, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Wednesday` [INFO] [stderr] --> src/main.rs:129:5 [INFO] [stderr] | [INFO] [stderr] 129 | Wednesday, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Thursday` [INFO] [stderr] --> src/main.rs:130:5 [INFO] [stderr] | [INFO] [stderr] 130 | Thursday, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Friday` [INFO] [stderr] --> src/main.rs:131:5 [INFO] [stderr] | [INFO] [stderr] 131 | Friday, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Sunday` [INFO] [stderr] --> src/main.rs:133:5 [INFO] [stderr] | [INFO] [stderr] 133 | Sunday, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `hello-rust` (bin "hello-rust" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hello_rust-a9d774df55c5341c) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f1d111dcc5a447d157d48b80366d1e266c984cd0822a2d361a9025366d96cabb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1d111dcc5a447d157d48b80366d1e266c984cd0822a2d361a9025366d96cabb", kill_on_drop: false }` [INFO] [stdout] f1d111dcc5a447d157d48b80366d1e266c984cd0822a2d361a9025366d96cabb