[INFO] fetching crate lib_malloc_freq 0.1.2...
[INFO] testing lib_malloc_freq-0.1.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate lib_malloc_freq 0.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate lib_malloc_freq 0.1.2
[INFO] finished tweaking crates.io crate lib_malloc_freq 0.1.2
[INFO] tweaked toml for crates.io crate lib_malloc_freq 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lib_malloc_freq 0.1.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded args v2.2.0
[INFO] [stderr]   Downloaded malloc_freq v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 246725efa0051d90c1e02d0f425f3c38f04a064b5f273d102d34649d7cc03aab
[INFO] running `Command { std: "docker" "start" "-a" "246725efa0051d90c1e02d0f425f3c38f04a064b5f273d102d34649d7cc03aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "246725efa0051d90c1e02d0f425f3c38f04a064b5f273d102d34649d7cc03aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246725efa0051d90c1e02d0f425f3c38f04a064b5f273d102d34649d7cc03aab", kill_on_drop: false }`
[INFO] [stdout] 246725efa0051d90c1e02d0f425f3c38f04a064b5f273d102d34649d7cc03aab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1413d5da17a825c3adbdbd0df9b54d0914fe4e5af33953446f1b56bfe7b50876
[INFO] running `Command { std: "docker" "start" "-a" "1413d5da17a825c3adbdbd0df9b54d0914fe4e5af33953446f1b56bfe7b50876", kill_on_drop: false }`
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling args v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling malloc_freq v0.1.2
[INFO] [stderr]    Compiling lib_malloc_freq v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.71s
[INFO] running `Command { std: "docker" "inspect" "1413d5da17a825c3adbdbd0df9b54d0914fe4e5af33953446f1b56bfe7b50876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1413d5da17a825c3adbdbd0df9b54d0914fe4e5af33953446f1b56bfe7b50876", kill_on_drop: false }`
[INFO] [stdout] 1413d5da17a825c3adbdbd0df9b54d0914fe4e5af33953446f1b56bfe7b50876
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 870ccf776b4c67ee520ec70cd6cfad3dc3ec904f4393f805903255b044899a13
[INFO] running `Command { std: "docker" "start" "-a" "870ccf776b4c67ee520ec70cd6cfad3dc3ec904f4393f805903255b044899a13", kill_on_drop: false }`
[INFO] [stderr]    Compiling lib_malloc_freq v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "870ccf776b4c67ee520ec70cd6cfad3dc3ec904f4393f805903255b044899a13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "870ccf776b4c67ee520ec70cd6cfad3dc3ec904f4393f805903255b044899a13", kill_on_drop: false }`
[INFO] [stdout] 870ccf776b4c67ee520ec70cd6cfad3dc3ec904f4393f805903255b044899a13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13f283f417a3d2ee03a9eeb116def2ae38420360d06cb34647d02f63890d6ad8
[INFO] running `Command { std: "docker" "start" "-a" "13f283f417a3d2ee03a9eeb116def2ae38420360d06cb34647d02f63890d6ad8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/malloc_freq-bdd11facc8a328da)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] failed to write malloc profile: No such file or directory (os error 2)
[INFO] running `Command { std: "docker" "inspect" "13f283f417a3d2ee03a9eeb116def2ae38420360d06cb34647d02f63890d6ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f283f417a3d2ee03a9eeb116def2ae38420360d06cb34647d02f63890d6ad8", kill_on_drop: false }`
[INFO] [stdout] 13f283f417a3d2ee03a9eeb116def2ae38420360d06cb34647d02f63890d6ad8