[INFO] fetching crate lib_malloc_freq 0.1.2...
[INFO] testing lib_malloc_freq-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate lib_malloc_freq 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate lib_malloc_freq 0.1.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] [stderr]   Downloaded num-format v0.4.0
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 53cf27b27510ccf831134af37bcdb017c0386ddd99db15825fd6a31f297d04e6
[INFO] running `Command { std: "docker" "start" "-a" "53cf27b27510ccf831134af37bcdb017c0386ddd99db15825fd6a31f297d04e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53cf27b27510ccf831134af37bcdb017c0386ddd99db15825fd6a31f297d04e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53cf27b27510ccf831134af37bcdb017c0386ddd99db15825fd6a31f297d04e6", kill_on_drop: false }`
[INFO] [stdout] 53cf27b27510ccf831134af37bcdb017c0386ddd99db15825fd6a31f297d04e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 141c2be1adaeac99b513a3fc3bec7b53953f6fbd7b970c85371d716738c42ea3
[INFO] running `Command { std: "docker" "start" "-a" "141c2be1adaeac99b513a3fc3bec7b53953f6fbd7b970c85371d716738c42ea3", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling args v2.2.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling num-format v0.4.0
[INFO] [stderr]    Compiling serde_yaml v0.8.20
[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 [unoptimized + debuginfo] target(s) in 10.40s
[INFO] running `Command { std: "docker" "inspect" "141c2be1adaeac99b513a3fc3bec7b53953f6fbd7b970c85371d716738c42ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "141c2be1adaeac99b513a3fc3bec7b53953f6fbd7b970c85371d716738c42ea3", kill_on_drop: false }`
[INFO] [stdout] 141c2be1adaeac99b513a3fc3bec7b53953f6fbd7b970c85371d716738c42ea3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2da5142e1ddd789dae235f0f3e7f0e307b79625e0ecfdbc75f6d3cd0b6b81898
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2da5142e1ddd789dae235f0f3e7f0e307b79625e0ecfdbc75f6d3cd0b6b81898", kill_on_drop: false }`
[INFO] [stderr]    Compiling lib_malloc_freq v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "2da5142e1ddd789dae235f0f3e7f0e307b79625e0ecfdbc75f6d3cd0b6b81898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da5142e1ddd789dae235f0f3e7f0e307b79625e0ecfdbc75f6d3cd0b6b81898", kill_on_drop: false }`
[INFO] [stdout] 2da5142e1ddd789dae235f0f3e7f0e307b79625e0ecfdbc75f6d3cd0b6b81898
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 21d689576c852f8e122638510ba1ea3af7196c108f635945e5e47fca925af9fc
[INFO] running `Command { std: "docker" "start" "-a" "21d689576c852f8e122638510ba1ea3af7196c108f635945e5e47fca925af9fc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/malloc_freq-850b2a3883f5cfdf)
[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" "21d689576c852f8e122638510ba1ea3af7196c108f635945e5e47fca925af9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21d689576c852f8e122638510ba1ea3af7196c108f635945e5e47fca925af9fc", kill_on_drop: false }`
[INFO] [stdout] 21d689576c852f8e122638510ba1ea3af7196c108f635945e5e47fca925af9fc