[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] testing ls1-sys-prog-course/task5-memory against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fls1-sys-prog-course%2Ftask5-memory" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ls1-sys-prog-course/task5-memory on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-1/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] f889b9a70fb616c53d72f834143aa6edf40bf76a85c9242408a29866664841d4
[INFO] running `Command { std: "docker" "start" "-a" "f889b9a70fb616c53d72f834143aa6edf40bf76a85c9242408a29866664841d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f889b9a70fb616c53d72f834143aa6edf40bf76a85c9242408a29866664841d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f889b9a70fb616c53d72f834143aa6edf40bf76a85c9242408a29866664841d4", kill_on_drop: false }`
[INFO] [stdout] f889b9a70fb616c53d72f834143aa6edf40bf76a85c9242408a29866664841d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 833473998fec5a022c3639d9c6e2beacab54a9b5dff79ba2d4315f6fe9fd4f83
[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" "833473998fec5a022c3639d9c6e2beacab54a9b5dff79ba2d4315f6fe9fd4f83", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "833473998fec5a022c3639d9c6e2beacab54a9b5dff79ba2d4315f6fe9fd4f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "833473998fec5a022c3639d9c6e2beacab54a9b5dff79ba2d4315f6fe9fd4f83", kill_on_drop: false }`
[INFO] [stdout] 833473998fec5a022c3639d9c6e2beacab54a9b5dff79ba2d4315f6fe9fd4f83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41fe2656ed8ed2316f6ccfdf63d4451eb7dca8182daee4b832de8a859d150c7e
[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" "41fe2656ed8ed2316f6ccfdf63d4451eb7dca8182daee4b832de8a859d150c7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "41fe2656ed8ed2316f6ccfdf63d4451eb7dca8182daee4b832de8a859d150c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41fe2656ed8ed2316f6ccfdf63d4451eb7dca8182daee4b832de8a859d150c7e", kill_on_drop: false }`
[INFO] [stdout] 41fe2656ed8ed2316f6ccfdf63d4451eb7dca8182daee4b832de8a859d150c7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] d8fcf4f135d2ed7c6822e87e5903e09244dd397e69e5283f5bbefdfdba61b59e
[INFO] running `Command { std: "docker" "start" "-a" "d8fcf4f135d2ed7c6822e87e5903e09244dd397e69e5283f5bbefdfdba61b59e", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]  --> mymalloc/src/lib.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub unsafe extern "C" fn malloc(size: libc::size_t) -> *mut libc::c_void {
[INFO] [stderr]   |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]  --> mymalloc/src/lib.rs:9:31
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub unsafe extern "C" fn free(p: *mut libc::c_void) {}
[INFO] [stderr]   |                               ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nobj`
[INFO] [stderr]   --> mymalloc/src/lib.rs:13:33
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub unsafe extern "C" fn calloc(nobj: libc::size_t, size: libc::size_t) -> *mut libc::c_void {
[INFO] [stderr]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_nobj`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]   --> mymalloc/src/lib.rs:13:53
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub unsafe extern "C" fn calloc(nobj: libc::size_t, size: libc::size_t) -> *mut libc::c_void {
[INFO] [stderr]    |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> mymalloc/src/lib.rs:19:34
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub unsafe extern "C" fn realloc(p: *mut libc::c_void, size: libc::size_t) -> *mut libc::c_void {
[INFO] [stderr]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]   --> mymalloc/src/lib.rs:19:56
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub unsafe extern "C" fn realloc(p: *mut libc::c_void, size: libc::size_t) -> *mut libc::c_void {
[INFO] [stderr]    |                                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: `mymalloc` (lib test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mymalloc-2e3cce0b6505cc0e)
[INFO] [stderr] memory allocation of 4 bytes failed
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/mymalloc-2e3cce0b6505cc0e` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "d8fcf4f135d2ed7c6822e87e5903e09244dd397e69e5283f5bbefdfdba61b59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8fcf4f135d2ed7c6822e87e5903e09244dd397e69e5283f5bbefdfdba61b59e", kill_on_drop: false }`
[INFO] [stdout] d8fcf4f135d2ed7c6822e87e5903e09244dd397e69e5283f5bbefdfdba61b59e