[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#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fls1-sys-prog-course%2Ftask5-memory" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ls1-sys-prog-course/task5-memory on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-2/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6518b3c42dd5c1aecfa9765ebbae046201ee25e436d22a1ddc8c3b1388921cac
[INFO] running `Command { std: "docker" "start" "-a" "6518b3c42dd5c1aecfa9765ebbae046201ee25e436d22a1ddc8c3b1388921cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6518b3c42dd5c1aecfa9765ebbae046201ee25e436d22a1ddc8c3b1388921cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6518b3c42dd5c1aecfa9765ebbae046201ee25e436d22a1ddc8c3b1388921cac", kill_on_drop: false }`
[INFO] [stdout] 6518b3c42dd5c1aecfa9765ebbae046201ee25e436d22a1ddc8c3b1388921cac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a97d26be2051e342cd46c8ebcd24d87d1413043e812a83c2fa48ca5edfd4087
[INFO] running `Command { std: "docker" "start" "-a" "2a97d26be2051e342cd46c8ebcd24d87d1413043e812a83c2fa48ca5edfd4087", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[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 1.69s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2a97d26be2051e342cd46c8ebcd24d87d1413043e812a83c2fa48ca5edfd4087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a97d26be2051e342cd46c8ebcd24d87d1413043e812a83c2fa48ca5edfd4087", kill_on_drop: false }`
[INFO] [stdout] 2a97d26be2051e342cd46c8ebcd24d87d1413043e812a83c2fa48ca5edfd4087
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a18b9ae48b06b8202c8dbde0ccae312fe3d54bea36cdb16848ebf4162e410ef
[INFO] running `Command { std: "docker" "start" "-a" "7a18b9ae48b06b8202c8dbde0ccae312fe3d54bea36cdb16848ebf4162e410ef", 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 0.24s
[INFO] running `Command { std: "docker" "inspect" "7a18b9ae48b06b8202c8dbde0ccae312fe3d54bea36cdb16848ebf4162e410ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a18b9ae48b06b8202c8dbde0ccae312fe3d54bea36cdb16848ebf4162e410ef", kill_on_drop: false }`
[INFO] [stdout] 7a18b9ae48b06b8202c8dbde0ccae312fe3d54bea36cdb16848ebf4162e410ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf0064b0def8705d5e6e657cf9e4bff81ea6016fef0be406f56391fc732c79d4
[INFO] running `Command { std: "docker" "start" "-a" "cf0064b0def8705d5e6e657cf9e4bff81ea6016fef0be406f56391fc732c79d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.02s
[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" "cf0064b0def8705d5e6e657cf9e4bff81ea6016fef0be406f56391fc732c79d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf0064b0def8705d5e6e657cf9e4bff81ea6016fef0be406f56391fc732c79d4", kill_on_drop: false }`
[INFO] [stdout] cf0064b0def8705d5e6e657cf9e4bff81ea6016fef0be406f56391fc732c79d4