[INFO] cloning repository https://github.com/Abhishek8394/rust-tut-unsafe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Abhishek8394/rust-tut-unsafe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhishek8394%2Frust-tut-unsafe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhishek8394%2Frust-tut-unsafe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f8cd4a9670fe9d7bd10f7281cfd24e05b872eb0
[INFO] testing Abhishek8394/rust-tut-unsafe 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%2FAbhishek8394%2Frust-tut-unsafe" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Abhishek8394/rust-tut-unsafe 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/Abhishek8394/rust-tut-unsafe
[INFO] finished tweaking git repo https://github.com/Abhishek8394/rust-tut-unsafe
[INFO] tweaked toml for git repo https://github.com/Abhishek8394/rust-tut-unsafe written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Abhishek8394/rust-tut-unsafe 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0320f05038c4aac86c1ab4634512cf89e884496aaa7c6d2f78934e2017babd0d
[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" "0320f05038c4aac86c1ab4634512cf89e884496aaa7c6d2f78934e2017babd0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0320f05038c4aac86c1ab4634512cf89e884496aaa7c6d2f78934e2017babd0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0320f05038c4aac86c1ab4634512cf89e884496aaa7c6d2f78934e2017babd0d", kill_on_drop: false }`
[INFO] [stdout] 0320f05038c4aac86c1ab4634512cf89e884496aaa7c6d2f78934e2017babd0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c579f496f37f31784b1c46bfaea0198a077a2183a1b7208cf0b812d24d86663a
[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" "c579f496f37f31784b1c46bfaea0198a077a2183a1b7208cf0b812d24d86663a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling my_macros v0.1.0 (/opt/rustwide/workdir/my_macros)
[INFO] [stderr]    Compiling unsafe_tut_core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling hello_macro_derive v0.1.0 (/opt/rustwide/workdir/my_macros/hello_macro_derive)
[INFO] [stderr]    Compiling unsafe_tut_app v0.1.0 (/opt/rustwide/workdir/app)
[INFO] [stdout] warning: unused variable: `mm`
[INFO] [stdout]    --> app/src/main.rs:220:13
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let mm = Millimeters(5);
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_mm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> app/src/main.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let m = Meters(10);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> app/src/main.rs:172:34
[INFO] [stdout]     |
[INFO] [stdout] 172 |             fn foobar<T: ?Sized>(s: &T){
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foobar`
[INFO] [stdout]    --> app/src/main.rs:172:16
[INFO] [stdout]     |
[INFO] [stdout] 172 |             fn foobar<T: ?Sized>(s: &T){
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stop`
[INFO] [stdout]    --> app/src/main.rs:199:17
[INFO] [stdout]     |
[INFO] [stdout] 199 |                 Stop
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Status` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> app/src/main.rs:196:22
[INFO] [stdout]     |
[INFO] [stdout] 196 |             #[derive(Debug)]
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `list_of_strings__lambdaOrFnTrait` should have a snake case name
[INFO] [stdout]    --> app/src/main.rs:188:17
[INFO] [stdout]     |
[INFO] [stdout] 188 |             let list_of_strings__lambdaOrFnTrait : Vec<String> = list_of_numbers
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `list_of_strings_lambda_or_fn_trait`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `list_of_strings__fnPointer` should have a snake case name
[INFO] [stdout]    --> app/src/main.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |             let list_of_strings__fnPointer : Vec<String> = list_of_numbers
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `list_of_strings_fn_pointer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.30s
[INFO] running `Command { std: "docker" "inspect" "c579f496f37f31784b1c46bfaea0198a077a2183a1b7208cf0b812d24d86663a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c579f496f37f31784b1c46bfaea0198a077a2183a1b7208cf0b812d24d86663a", kill_on_drop: false }`
[INFO] [stdout] c579f496f37f31784b1c46bfaea0198a077a2183a1b7208cf0b812d24d86663a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a81fe916350316f8e4a427df7456d6b78f6b8218da07a2ad22334fe874a31e0b
[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" "a81fe916350316f8e4a427df7456d6b78f6b8218da07a2ad22334fe874a31e0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_macros v0.1.0 (/opt/rustwide/workdir/my_macros)
[INFO] [stderr]    Compiling unsafe_tut_core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]    Compiling hello_macro_derive v0.1.0 (/opt/rustwide/workdir/my_macros/hello_macro_derive)
[INFO] [stderr]    Compiling unsafe_tut_app v0.1.0 (/opt/rustwide/workdir/app)
[INFO] [stdout] warning: unused variable: `mm`
[INFO] [stdout]    --> app/src/main.rs:220:13
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let mm = Millimeters(5);
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_mm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> app/src/main.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let m = Meters(10);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> app/src/main.rs:172:34
[INFO] [stdout]     |
[INFO] [stdout] 172 |             fn foobar<T: ?Sized>(s: &T){
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `list_of_strings__lambdaOrFnTrait` should have a snake case name
[INFO] [stdout]    --> app/src/main.rs:188:17
[INFO] [stdout]     |
[INFO] [stdout] 188 |             let list_of_strings__lambdaOrFnTrait : Vec<String> = list_of_numbers
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `list_of_strings_lambda_or_fn_trait`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `list_of_strings__fnPointer` should have a snake case name
[INFO] [stdout]    --> app/src/main.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |             let list_of_strings__fnPointer : Vec<String> = list_of_numbers
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `list_of_strings_fn_pointer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "a81fe916350316f8e4a427df7456d6b78f6b8218da07a2ad22334fe874a31e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a81fe916350316f8e4a427df7456d6b78f6b8218da07a2ad22334fe874a31e0b", kill_on_drop: false }`
[INFO] [stdout] a81fe916350316f8e4a427df7456d6b78f6b8218da07a2ad22334fe874a31e0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 15b76d54cb870c2172c359e82ab4a31c8852f546b51b9c13134f2ec739d9606c
[INFO] running `Command { std: "docker" "start" "-a" "15b76d54cb870c2172c359e82ab4a31c8852f546b51b9c13134f2ec739d9606c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `mm`
[INFO] [stderr]    --> app/src/main.rs:220:13
[INFO] [stderr]     |
[INFO] [stderr] 220 |         let mm = Millimeters(5);
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_mm`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> app/src/main.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 221 |         let m = Meters(10);
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> app/src/main.rs:172:34
[INFO] [stderr]     |
[INFO] [stderr] 172 |             fn foobar<T: ?Sized>(s: &T){
[INFO] [stderr]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `list_of_strings__lambdaOrFnTrait` should have a snake case name
[INFO] [stderr]    --> app/src/main.rs:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 |             let list_of_strings__lambdaOrFnTrait : Vec<String> = list_of_numbers
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `list_of_strings_lambda_or_fn_trait`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `list_of_strings__fnPointer` should have a snake case name
[INFO] [stderr]    --> app/src/main.rs:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |             let list_of_strings__fnPointer : Vec<String> = list_of_numbers
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `list_of_strings_fn_pointer`
[INFO] [stderr] 
[INFO] [stderr] warning: `unsafe_tut_app` (bin "unsafe_tut_app" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_macro_derive-d4d999b05a68f9cc)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/my_macros-7f567eacbdf39b2c)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unsafe_tut_app-a4c232ee6487f4fb)
[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] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unsafe_tut_core-5b146a289b2e6a4d)
[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] [stderr]    Doc-tests hello_macro_derive
[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] [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] [stderr]    Doc-tests my_macros
[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] [stderr]    Doc-tests unsafe_tut_core
[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" "15b76d54cb870c2172c359e82ab4a31c8852f546b51b9c13134f2ec739d9606c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b76d54cb870c2172c359e82ab4a31c8852f546b51b9c13134f2ec739d9606c", kill_on_drop: false }`
[INFO] [stdout] 15b76d54cb870c2172c359e82ab4a31c8852f546b51b9c13134f2ec739d9606c