[INFO] cloning repository https://github.com/jonahf0/mem_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonahf0/mem_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonahf0%2Fmem_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonahf0%2Fmem_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25b1501991af14e7dedf94396a66c0dbc0d7484d
[INFO] testing jonahf0/mem_test against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonahf0%2Fmem_test" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonahf0/mem_test on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jonahf0/mem_test
[INFO] finished tweaking git repo https://github.com/jonahf0/mem_test
[INFO] tweaked toml for git repo https://github.com/jonahf0/mem_test written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/jonahf0/mem_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a562065a4cb6fd22d012cd25609e87db620f74cad083e4c0555cbf82432b5bc
[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" "7a562065a4cb6fd22d012cd25609e87db620f74cad083e4c0555cbf82432b5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a562065a4cb6fd22d012cd25609e87db620f74cad083e4c0555cbf82432b5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a562065a4cb6fd22d012cd25609e87db620f74cad083e4c0555cbf82432b5bc", kill_on_drop: false }`
[INFO] [stdout] 7a562065a4cb6fd22d012cd25609e87db620f74cad083e4c0555cbf82432b5bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1af954b84c89f95c189921cff1751a6f86514888eb5f54eaa910a7049b200f7
[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" "f1af954b84c89f95c189921cff1751a6f86514888eb5f54eaa910a7049b200f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling mem_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `interval_unit`
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let interval_unit = interval.1;
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interval_unit`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]    --> src/main.rs:163:14
[INFO] [stdout]     |
[INFO] [stdout] 163 |         Some(location) => println!("writing to file not currently implemented!"),//write_to_file(mem_info, location),
[INFO] [stdout]     |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_location`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_heap`
[INFO] [stdout]   --> src/read_proc.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn read_heap(pid: u32) -> Option<Vec<u8>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.38s
[INFO] running `Command { std: "docker" "inspect" "f1af954b84c89f95c189921cff1751a6f86514888eb5f54eaa910a7049b200f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1af954b84c89f95c189921cff1751a6f86514888eb5f54eaa910a7049b200f7", kill_on_drop: false }`
[INFO] [stdout] f1af954b84c89f95c189921cff1751a6f86514888eb5f54eaa910a7049b200f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f1dec17da721c91f87028f805067429310508d4631a89313916b0734a8aaf66
[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" "7f1dec17da721c91f87028f805067429310508d4631a89313916b0734a8aaf66", kill_on_drop: false }`
[INFO] [stderr]    Compiling mem_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `interval_unit`
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let interval_unit = interval.1;
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interval_unit`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]    --> src/main.rs:163:14
[INFO] [stdout]     |
[INFO] [stdout] 163 |         Some(location) => println!("writing to file not currently implemented!"),//write_to_file(mem_info, location),
[INFO] [stdout]     |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_location`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_heap`
[INFO] [stdout]   --> src/read_proc.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn read_heap(pid: u32) -> Option<Vec<u8>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "7f1dec17da721c91f87028f805067429310508d4631a89313916b0734a8aaf66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f1dec17da721c91f87028f805067429310508d4631a89313916b0734a8aaf66", kill_on_drop: false }`
[INFO] [stdout] 7f1dec17da721c91f87028f805067429310508d4631a89313916b0734a8aaf66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 372ec5cd5b12c356ba7fc9aa6105ef800c2a4f1187ef1a8e804788bf5e0ad8e6
[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" "372ec5cd5b12c356ba7fc9aa6105ef800c2a4f1187ef1a8e804788bf5e0ad8e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `interval_unit`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:24:9
[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] 24 |     let interval_unit = interval.1;
[INFO] [stdout] 
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interval_unit`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `location`
[INFO] [stderr]    --> src/main.rs:163:14
[INFO] [stderr]     |
[INFO] [stderr] 163 |         Some(location) => println!("writing to file not currently implemented!"),//write_to_file(mem_info, location),
[INFO] [stderr]     |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_location`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_heap`
[INFO] [stderr]   --> src/read_proc.rs:58:8
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub fn read_heap(pid: u32) -> Option<Vec<u8>> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mem_test-c8c764f9dee744e4)
[INFO] running `Command { std: "docker" "inspect" "372ec5cd5b12c356ba7fc9aa6105ef800c2a4f1187ef1a8e804788bf5e0ad8e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372ec5cd5b12c356ba7fc9aa6105ef800c2a4f1187ef1a8e804788bf5e0ad8e6", kill_on_drop: false }`
[INFO] [stdout] 372ec5cd5b12c356ba7fc9aa6105ef800c2a4f1187ef1a8e804788bf5e0ad8e6