[INFO] cloning repository https://github.com/Tanzeel-khan/rust-datatypes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tanzeel-khan/rust-datatypes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTanzeel-khan%2Frust-datatypes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTanzeel-khan%2Frust-datatypes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d67acbbd16f94385b7b5064ecba0e592a941321
[INFO] testing Tanzeel-khan/rust-datatypes 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%2FTanzeel-khan%2Frust-datatypes" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tanzeel-khan/rust-datatypes 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/Tanzeel-khan/rust-datatypes
[INFO] finished tweaking git repo https://github.com/Tanzeel-khan/rust-datatypes
[INFO] tweaked toml for git repo https://github.com/Tanzeel-khan/rust-datatypes written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Tanzeel-khan/rust-datatypes 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cca6aca20f10b7bf2bf2457fd35958ed6c172ee0bc1354f2530b30ad624e0520
[INFO] running `Command { std: "docker" "start" "-a" "cca6aca20f10b7bf2bf2457fd35958ed6c172ee0bc1354f2530b30ad624e0520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cca6aca20f10b7bf2bf2457fd35958ed6c172ee0bc1354f2530b30ad624e0520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca6aca20f10b7bf2bf2457fd35958ed6c172ee0bc1354f2530b30ad624e0520", kill_on_drop: false }`
[INFO] [stdout] cca6aca20f10b7bf2bf2457fd35958ed6c172ee0bc1354f2530b30ad624e0520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 855874fbb57c994cab7c15dda611313f6a27523bd2c46840c459bda612b8c00e
[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" "855874fbb57c994cab7c15dda611313f6a27523bd2c46840c459bda612b8c00e", kill_on_drop: false }`
[INFO] [stderr]    Compiling datatype-1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `age`
[INFO] [stdout]  --> src/main.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let age = 30;
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_age`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `percentage`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let percentage = 80.3;
[INFO] [stdout]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_percentage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grade`
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let grade = 'A';
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_grade`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `passed`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let passed = true;
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_passed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "855874fbb57c994cab7c15dda611313f6a27523bd2c46840c459bda612b8c00e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "855874fbb57c994cab7c15dda611313f6a27523bd2c46840c459bda612b8c00e", kill_on_drop: false }`
[INFO] [stdout] 855874fbb57c994cab7c15dda611313f6a27523bd2c46840c459bda612b8c00e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 9bbd477d423bc4c73fb4403cdfc71ab23bbb540296c16fce6ac3621a1cf0aed6
[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" "9bbd477d423bc4c73fb4403cdfc71ab23bbb540296c16fce6ac3621a1cf0aed6", kill_on_drop: false }`
[INFO] [stderr]    Compiling datatype-1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `age`
[INFO] [stdout]  --> src/main.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let age = 30;
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_age`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `percentage`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let percentage = 80.3;
[INFO] [stdout]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_percentage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grade`
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let grade = 'A';
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_grade`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `passed`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let passed = true;
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_passed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "9bbd477d423bc4c73fb4403cdfc71ab23bbb540296c16fce6ac3621a1cf0aed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bbd477d423bc4c73fb4403cdfc71ab23bbb540296c16fce6ac3621a1cf0aed6", kill_on_drop: false }`
[INFO] [stdout] 9bbd477d423bc4c73fb4403cdfc71ab23bbb540296c16fce6ac3621a1cf0aed6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] d087c72d69b07872f01fa456d602bf2c8b83fc182ab4eb82969c6c242472849a
[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" "d087c72d69b07872f01fa456d602bf2c8b83fc182ab4eb82969c6c242472849a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `age`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:3:9
[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] 3 |     let age = 30;
[INFO] [stdout] 
[INFO] [stderr]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_age`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `percentage`
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let percentage = 80.3;
[INFO] [stderr]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_percentage`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `grade`
[INFO] [stderr]  --> src/main.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let grade = 'A';
[INFO] [stderr]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_grade`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `passed`
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let passed = true;
[INFO] [stderr]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_passed`
[INFO] [stderr] 
[INFO] [stderr] warning: `datatype-1` (bin "datatype-1" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/datatype_1-07b7e00df9afc21f)
[INFO] running `Command { std: "docker" "inspect" "d087c72d69b07872f01fa456d602bf2c8b83fc182ab4eb82969c6c242472849a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d087c72d69b07872f01fa456d602bf2c8b83fc182ab4eb82969c6c242472849a", kill_on_drop: false }`
[INFO] [stdout] d087c72d69b07872f01fa456d602bf2c8b83fc182ab4eb82969c6c242472849a