[INFO] cloning repository https://github.com/ls1-sys-prog-course/task5-memory
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ls1-sys-prog-course/task5-memory" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fls1-sys-prog-course%2Ftask5-memory", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fls1-sys-prog-course%2Ftask5-memory'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6848921ee3e0572f049f1415e6c43457887aa854
[INFO] checking ls1-sys-prog-course/task5-memory against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fls1-sys-prog-course%2Ftask5-memory" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ls1-sys-prog-course/task5-memory on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ls1-sys-prog-course/task5-memory
[INFO] finished tweaking git repo https://github.com/ls1-sys-prog-course/task5-memory
[INFO] tweaked toml for git repo https://github.com/ls1-sys-prog-course/task5-memory written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ls1-sys-prog-course/task5-memory already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12ccb778d01d269ce6940342c8f6fcc79a1ca2fe0dd502f3df36e42fcc78ee1d
[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" "12ccb778d01d269ce6940342c8f6fcc79a1ca2fe0dd502f3df36e42fcc78ee1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12ccb778d01d269ce6940342c8f6fcc79a1ca2fe0dd502f3df36e42fcc78ee1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12ccb778d01d269ce6940342c8f6fcc79a1ca2fe0dd502f3df36e42fcc78ee1d", kill_on_drop: false }`
[INFO] [stdout] 12ccb778d01d269ce6940342c8f6fcc79a1ca2fe0dd502f3df36e42fcc78ee1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97f5953f5d851b1210daf01070e457e3b66617ace8ad02116abdc6ce5c8dd25c
[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" "97f5953f5d851b1210daf01070e457e3b66617ace8ad02116abdc6ce5c8dd25c", kill_on_drop: false }`
[INFO] [stderr]     Checking mymalloc v0.0.1 (/opt/rustwide/workdir/mymalloc)
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]  --> mymalloc/src/lib.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub unsafe extern "C" fn malloc(size: libc::size_t) -> *mut libc::c_void {
[INFO] [stdout]   |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]  --> mymalloc/src/lib.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub unsafe extern "C" fn free(p: *mut libc::c_void) {}
[INFO] [stdout]   |                               ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nobj`
[INFO] [stdout]   --> mymalloc/src/lib.rs:13:33
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub unsafe extern "C" fn calloc(nobj: libc::size_t, size: libc::size_t) -> *mut libc::c_void {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_nobj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> mymalloc/src/lib.rs:13:53
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub unsafe extern "C" fn calloc(nobj: libc::size_t, size: libc::size_t) -> *mut libc::c_void {
[INFO] [stdout]    |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> mymalloc/src/lib.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub unsafe extern "C" fn realloc(p: *mut libc::c_void, size: libc::size_t) -> *mut libc::c_void {
[INFO] [stdout]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> mymalloc/src/lib.rs:19:56
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub unsafe extern "C" fn realloc(p: *mut libc::c_void, size: libc::size_t) -> *mut libc::c_void {
[INFO] [stdout]    |                                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]  --> mymalloc/src/lib.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub unsafe extern "C" fn malloc(size: libc::size_t) -> *mut libc::c_void {
[INFO] [stdout]   |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]  --> mymalloc/src/lib.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub unsafe extern "C" fn free(p: *mut libc::c_void) {}
[INFO] [stdout]   |                               ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nobj`
[INFO] [stdout]   --> mymalloc/src/lib.rs:13:33
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub unsafe extern "C" fn calloc(nobj: libc::size_t, size: libc::size_t) -> *mut libc::c_void {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_nobj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> mymalloc/src/lib.rs:13:53
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub unsafe extern "C" fn calloc(nobj: libc::size_t, size: libc::size_t) -> *mut libc::c_void {
[INFO] [stdout]    |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> mymalloc/src/lib.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub unsafe extern "C" fn realloc(p: *mut libc::c_void, size: libc::size_t) -> *mut libc::c_void {
[INFO] [stdout]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> mymalloc/src/lib.rs:19:56
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub unsafe extern "C" fn realloc(p: *mut libc::c_void, size: libc::size_t) -> *mut libc::c_void {
[INFO] [stdout]    |                                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "97f5953f5d851b1210daf01070e457e3b66617ace8ad02116abdc6ce5c8dd25c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f5953f5d851b1210daf01070e457e3b66617ace8ad02116abdc6ce5c8dd25c", kill_on_drop: false }`
[INFO] [stdout] 97f5953f5d851b1210daf01070e457e3b66617ace8ad02116abdc6ce5c8dd25c