[INFO] fetching crate lib_malloc_freq 0.1.2...
[INFO] testing lib_malloc_freq-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate lib_malloc_freq 0.1.2 into /workspace/builds/worker-5-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lib_malloc_freq 0.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f2c3c1dc0e3b2e9925ef11ac6e1b7a8202b8bd9e60eab22e3fefee9459f551d
[INFO] running `Command { std: "docker" "start" "-a" "8f2c3c1dc0e3b2e9925ef11ac6e1b7a8202b8bd9e60eab22e3fefee9459f551d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f2c3c1dc0e3b2e9925ef11ac6e1b7a8202b8bd9e60eab22e3fefee9459f551d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f2c3c1dc0e3b2e9925ef11ac6e1b7a8202b8bd9e60eab22e3fefee9459f551d", kill_on_drop: false }`
[INFO] [stdout] 8f2c3c1dc0e3b2e9925ef11ac6e1b7a8202b8bd9e60eab22e3fefee9459f551d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f647990d30895adb87d607350f722d127ecf3dc5c04c0b5b7a459194bcefe8ee
[INFO] running `Command { std: "docker" "start" "-a" "f647990d30895adb87d607350f722d127ecf3dc5c04c0b5b7a459194bcefe8ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling args v2.2.0
[INFO] [stderr]    Compiling num-format v0.4.4
[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 13.48s
[INFO] running `Command { std: "docker" "inspect" "f647990d30895adb87d607350f722d127ecf3dc5c04c0b5b7a459194bcefe8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f647990d30895adb87d607350f722d127ecf3dc5c04c0b5b7a459194bcefe8ee", kill_on_drop: false }`
[INFO] [stdout] f647990d30895adb87d607350f722d127ecf3dc5c04c0b5b7a459194bcefe8ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d0c68e189e3b4e0d8823198d0fac73107b978b27f8879744d7d0732b878a9f6
[INFO] running `Command { std: "docker" "start" "-a" "9d0c68e189e3b4e0d8823198d0fac73107b978b27f8879744d7d0732b878a9f6", 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 0.45s
[INFO] running `Command { std: "docker" "inspect" "9d0c68e189e3b4e0d8823198d0fac73107b978b27f8879744d7d0732b878a9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d0c68e189e3b4e0d8823198d0fac73107b978b27f8879744d7d0732b878a9f6", kill_on_drop: false }`
[INFO] [stdout] 9d0c68e189e3b4e0d8823198d0fac73107b978b27f8879744d7d0732b878a9f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1eb77bbdcca19eb20ac54da16a3d9ad20ffda49c8b69f75c473e37c228c3f3c1
[INFO] running `Command { std: "docker" "start" "-a" "1eb77bbdcca19eb20ac54da16a3d9ad20ffda49c8b69f75c473e37c228c3f3c1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[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" "1eb77bbdcca19eb20ac54da16a3d9ad20ffda49c8b69f75c473e37c228c3f3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb77bbdcca19eb20ac54da16a3d9ad20ffda49c8b69f75c473e37c228c3f3c1", kill_on_drop: false }`
[INFO] [stdout] 1eb77bbdcca19eb20ac54da16a3d9ad20ffda49c8b69f75c473e37c228c3f3c1