[INFO] cloning repository https://github.com/SyedHzf/Rusting [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SyedHzf/Rusting" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyedHzf%2FRusting", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyedHzf%2FRusting'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a5e4e7eb14bd82ab1429aa9c4210bc208bbc3e48 [INFO] testing SyedHzf/Rusting against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyedHzf%2FRusting" "/workspace/builds/worker-21/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SyedHzf/Rusting on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SyedHzf/Rusting [INFO] finished tweaking git repo https://github.com/SyedHzf/Rusting [INFO] tweaked toml for git repo https://github.com/SyedHzf/Rusting written to /workspace/builds/worker-21/source/Cargo.toml [INFO] crate git repo https://github.com/SyedHzf/Rusting already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d82f3c454d454af62170d75016c3b1267d48417f9b2da1818c6c65e649dc7820 [INFO] running `Command { std: "docker" "start" "-a" "d82f3c454d454af62170d75016c3b1267d48417f9b2da1818c6c65e649dc7820", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d82f3c454d454af62170d75016c3b1267d48417f9b2da1818c6c65e649dc7820", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d82f3c454d454af62170d75016c3b1267d48417f9b2da1818c6c65e649dc7820", kill_on_drop: false }` [INFO] [stdout] d82f3c454d454af62170d75016c3b1267d48417f9b2da1818c6c65e649dc7820 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 040dba0d4f9a2fbd9bc74ffd3669113fe0955991484c73f4445a0e1a0d76d2d9 [INFO] running `Command { std: "docker" "start" "-a" "040dba0d4f9a2fbd9bc74ffd3669113fe0955991484c73f4445a0e1a0d76d2d9", kill_on_drop: false }` [INFO] [stderr] Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/Ref_count.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let c = Node(6,Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/Ref_count.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | let b = Node(5,Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `Ref_count` should have a snake case name [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | mod Ref_count; [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `ref_count` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![warn(non_snake_case)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "040dba0d4f9a2fbd9bc74ffd3669113fe0955991484c73f4445a0e1a0d76d2d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "040dba0d4f9a2fbd9bc74ffd3669113fe0955991484c73f4445a0e1a0d76d2d9", kill_on_drop: false }` [INFO] [stdout] 040dba0d4f9a2fbd9bc74ffd3669113fe0955991484c73f4445a0e1a0d76d2d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cced3235dac769218fba4134030ddc09938bd76ec26d42e9e1f2eef59c30d28e [INFO] running `Command { std: "docker" "start" "-a" "cced3235dac769218fba4134030ddc09938bd76ec26d42e9e1f2eef59c30d28e", kill_on_drop: false }` [INFO] [stderr] Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/Ref_count.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let c = Node(6,Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/Ref_count.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | let b = Node(5,Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `Ref_count` should have a snake case name [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | mod Ref_count; [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `ref_count` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![warn(non_snake_case)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.30s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_cargo-762aea2865690774) [INFO] running `Command { std: "docker" "inspect" "cced3235dac769218fba4134030ddc09938bd76ec26d42e9e1f2eef59c30d28e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cced3235dac769218fba4134030ddc09938bd76ec26d42e9e1f2eef59c30d28e", kill_on_drop: false }` [INFO] [stdout] cced3235dac769218fba4134030ddc09938bd76ec26d42e9e1f2eef59c30d28e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 690987b9b26d3f3a2f9c2e30e3a4e91ab65bd11022926acfac53b880b9674fbd [INFO] running `Command { std: "docker" "start" "-a" "690987b9b26d3f3a2f9c2e30e3a4e91ab65bd11022926acfac53b880b9674fbd", 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] warning: unused variable: `c` [INFO] [stderr] --> src/Ref_count.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let c = Node(6,Rc::clone(&a)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/Ref_count.rs:17:13 [INFO] [stderr] | [INFO] [stderr] 17 | let b = Node(5,Rc::clone(&a)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: module `Ref_count` should have a snake case name [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | mod Ref_count; [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `ref_count` [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/main.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![warn(non_snake_case)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `hello_cargo` (bin "hello_cargo" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.64s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_cargo-762aea2865690774) [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" "690987b9b26d3f3a2f9c2e30e3a4e91ab65bd11022926acfac53b880b9674fbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "690987b9b26d3f3a2f9c2e30e3a4e91ab65bd11022926acfac53b880b9674fbd", kill_on_drop: false }` [INFO] [stdout] 690987b9b26d3f3a2f9c2e30e3a4e91ab65bd11022926acfac53b880b9674fbd