[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 master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fls1-sys-prog-course%2Ftask5-memory" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ls1-sys-prog-course/task5-memory on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-11/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2739c17860a74fd9094fdc6a31644e0445d460b74e13bcc39ff4de457d32974e
[INFO] running `Command { std: "docker" "start" "-a" "2739c17860a74fd9094fdc6a31644e0445d460b74e13bcc39ff4de457d32974e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2739c17860a74fd9094fdc6a31644e0445d460b74e13bcc39ff4de457d32974e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2739c17860a74fd9094fdc6a31644e0445d460b74e13bcc39ff4de457d32974e", kill_on_drop: false }`
[INFO] [stdout] 2739c17860a74fd9094fdc6a31644e0445d460b74e13bcc39ff4de457d32974e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6609232ba9e6ac50e74a27820f1ba280ac524b487444822abe0f0d84caba77d9
[INFO] running `Command { std: "docker" "start" "-a" "6609232ba9e6ac50e74a27820f1ba280ac524b487444822abe0f0d84caba77d9", 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6609232ba9e6ac50e74a27820f1ba280ac524b487444822abe0f0d84caba77d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6609232ba9e6ac50e74a27820f1ba280ac524b487444822abe0f0d84caba77d9", kill_on_drop: false }`
[INFO] [stdout] 6609232ba9e6ac50e74a27820f1ba280ac524b487444822abe0f0d84caba77d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2645e102c856f0c87fbbc1ab05f9461cff040530305a085c7ea802996604707
[INFO] running `Command { std: "docker" "start" "-a" "e2645e102c856f0c87fbbc1ab05f9461cff040530305a085c7ea802996604707", 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 0.23s
[INFO] running `Command { std: "docker" "inspect" "e2645e102c856f0c87fbbc1ab05f9461cff040530305a085c7ea802996604707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2645e102c856f0c87fbbc1ab05f9461cff040530305a085c7ea802996604707", kill_on_drop: false }`
[INFO] [stdout] e2645e102c856f0c87fbbc1ab05f9461cff040530305a085c7ea802996604707
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5fb92e61a71651d46c13a5eba173d229bcba4337bad43d28a91b6252f53a33f
[INFO] running `Command { std: "docker" "start" "-a" "e5fb92e61a71651d46c13a5eba173d229bcba4337bad43d28a91b6252f53a33f", 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: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mymalloc-212f68461b74d8ff)
[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-212f68461b74d8ff` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "e5fb92e61a71651d46c13a5eba173d229bcba4337bad43d28a91b6252f53a33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5fb92e61a71651d46c13a5eba173d229bcba4337bad43d28a91b6252f53a33f", kill_on_drop: false }`
[INFO] [stdout] e5fb92e61a71651d46c13a5eba173d229bcba4337bad43d28a91b6252f53a33f