[INFO] cloning repository https://github.com/wojciechmurimi/heap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wojciechmurimi/heap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwojciechmurimi%2Fheap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwojciechmurimi%2Fheap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7582e5505f807e102cbeed639c0566db09fce06
[INFO] testing wojciechmurimi/heap against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwojciechmurimi%2Fheap" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wojciechmurimi/heap on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wojciechmurimi/heap
[INFO] finished tweaking git repo https://github.com/wojciechmurimi/heap
[INFO] tweaked toml for git repo https://github.com/wojciechmurimi/heap written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wojciechmurimi/heap already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df659e5653e21f2e75813c711b071451a17895b572541ca5cf5bd968bf0e4a23
[INFO] running `Command { std: "docker" "start" "-a" "df659e5653e21f2e75813c711b071451a17895b572541ca5cf5bd968bf0e4a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df659e5653e21f2e75813c711b071451a17895b572541ca5cf5bd968bf0e4a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df659e5653e21f2e75813c711b071451a17895b572541ca5cf5bd968bf0e4a23", kill_on_drop: false }`
[INFO] [stdout] df659e5653e21f2e75813c711b071451a17895b572541ca5cf5bd968bf0e4a23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9fbef62d4fb62bd24da96428a04f73e6586169ed2b882ba2860b619731fad57
[INFO] running `Command { std: "docker" "start" "-a" "f9fbef62d4fb62bd24da96428a04f73e6586169ed2b882ba2860b619731fad57", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling my-alloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `addr_of`
[INFO] [stdout]  --> src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ptr::{addr_of, addr_of_mut, null}, sync::Mutex,
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/main.rs:217:46
[INFO] [stdout]     |
[INFO] [stdout] 217 |     let suitable_heap = match get_heap(size, unsafe{ addr_of_mut!(heap_lock.heap) }) {
[INFO] [stdout]     |                                              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_heap` is never used
[INFO] [stdout]    --> src/main.rs:274:4
[INFO] [stdout]     |
[INFO] [stdout] 274 | fn print_heap() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "f9fbef62d4fb62bd24da96428a04f73e6586169ed2b882ba2860b619731fad57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9fbef62d4fb62bd24da96428a04f73e6586169ed2b882ba2860b619731fad57", kill_on_drop: false }`
[INFO] [stdout] f9fbef62d4fb62bd24da96428a04f73e6586169ed2b882ba2860b619731fad57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbfb1de57fed16f3e9d9f495b7bb175c6bfd8f33639075d5eab64e576de653a6
[INFO] running `Command { std: "docker" "start" "-a" "fbfb1de57fed16f3e9d9f495b7bb175c6bfd8f33639075d5eab64e576de653a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling my-alloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `addr_of`
[INFO] [stdout]  --> src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ptr::{addr_of, addr_of_mut, null}, sync::Mutex,
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/main.rs:217:46
[INFO] [stdout]     |
[INFO] [stdout] 217 |     let suitable_heap = match get_heap(size, unsafe{ addr_of_mut!(heap_lock.heap) }) {
[INFO] [stdout]     |                                              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_heap` is never used
[INFO] [stdout]    --> src/main.rs:274:4
[INFO] [stdout]     |
[INFO] [stdout] 274 | fn print_heap() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "fbfb1de57fed16f3e9d9f495b7bb175c6bfd8f33639075d5eab64e576de653a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbfb1de57fed16f3e9d9f495b7bb175c6bfd8f33639075d5eab64e576de653a6", kill_on_drop: false }`
[INFO] [stdout] fbfb1de57fed16f3e9d9f495b7bb175c6bfd8f33639075d5eab64e576de653a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 589aa3e5339c1e6716c513c4d8f6a260bcd48d8a878d5bbc3b58177277b1a22f
[INFO] running `Command { std: "docker" "start" "-a" "589aa3e5339c1e6716c513c4d8f6a260bcd48d8a878d5bbc3b58177277b1a22f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `addr_of`
[INFO] [stderr]  --> src/main.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 |     ptr::{addr_of, addr_of_mut, null}, sync::Mutex,
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/main.rs:217:46
[INFO] [stderr]     |
[INFO] [stderr] 217 |     let suitable_heap = match get_heap(size, unsafe{ addr_of_mut!(heap_lock.heap) }) {
[INFO] [stderr]     |                                              ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `print_heap` is never used
[INFO] [stderr]    --> src/main.rs:274:4
[INFO] [stderr]     |
[INFO] [stderr] 274 | fn print_heap() {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `my-alloc` (bin "my-alloc" test) generated 3 warnings (run `cargo fix --bin "my-alloc" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/my_alloc-656e76409155e5d7)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::behavior ... ok
[INFO] [stdout] test mmap::map_tests::unmap_invalid - should panic ... ok
[INFO] [stdout] test tests::ivalid_free - should panic ... ok
[INFO] [stdout] test tests::double_free - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "589aa3e5339c1e6716c513c4d8f6a260bcd48d8a878d5bbc3b58177277b1a22f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "589aa3e5339c1e6716c513c4d8f6a260bcd48d8a878d5bbc3b58177277b1a22f", kill_on_drop: false }`
[INFO] [stdout] 589aa3e5339c1e6716c513c4d8f6a260bcd48d8a878d5bbc3b58177277b1a22f