[INFO] fetching crate lib_malloc_freq 0.1.2...
[INFO] testing lib_malloc_freq-0.1.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate lib_malloc_freq 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lib_malloc_freq 0.1.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] [stderr]   Downloaded malloc_freq v0.1.2
[INFO] [stderr]   Downloaded args v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b30b3a4c8b94fd2ddbfbcb3fb1255691d0a25ffaca905ad588bd83f15a675e4b
[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" "b30b3a4c8b94fd2ddbfbcb3fb1255691d0a25ffaca905ad588bd83f15a675e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b30b3a4c8b94fd2ddbfbcb3fb1255691d0a25ffaca905ad588bd83f15a675e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b30b3a4c8b94fd2ddbfbcb3fb1255691d0a25ffaca905ad588bd83f15a675e4b", kill_on_drop: false }`
[INFO] [stdout] b30b3a4c8b94fd2ddbfbcb3fb1255691d0a25ffaca905ad588bd83f15a675e4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8010415566b19eba91e5ffc3302a53e45d164f99ce63c9a7bb95189f985609cd
[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" "8010415566b19eba91e5ffc3302a53e45d164f99ce63c9a7bb95189f985609cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling args v2.2.0
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling num-format v0.4.0
[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 12.94s
[INFO] running `Command { std: "docker" "inspect" "8010415566b19eba91e5ffc3302a53e45d164f99ce63c9a7bb95189f985609cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8010415566b19eba91e5ffc3302a53e45d164f99ce63c9a7bb95189f985609cd", kill_on_drop: false }`
[INFO] [stdout] 8010415566b19eba91e5ffc3302a53e45d164f99ce63c9a7bb95189f985609cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f813acb1d8104de527198a6773bf5e36312ea2394b9853933330d2ddee10eaeb
[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" "f813acb1d8104de527198a6773bf5e36312ea2394b9853933330d2ddee10eaeb", 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 1.71s
[INFO] running `Command { std: "docker" "inspect" "f813acb1d8104de527198a6773bf5e36312ea2394b9853933330d2ddee10eaeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f813acb1d8104de527198a6773bf5e36312ea2394b9853933330d2ddee10eaeb", kill_on_drop: false }`
[INFO] [stdout] f813acb1d8104de527198a6773bf5e36312ea2394b9853933330d2ddee10eaeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a069f64e0fe41698183a71e53434c59dfc5375f10d7862452c508ca56df50b5
[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" "5a069f64e0fe41698183a71e53434c59dfc5375f10d7862452c508ca56df50b5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/malloc_freq-a616b7cbfda17e89)
[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" "5a069f64e0fe41698183a71e53434c59dfc5375f10d7862452c508ca56df50b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a069f64e0fe41698183a71e53434c59dfc5375f10d7862452c508ca56df50b5", kill_on_drop: false }`
[INFO] [stdout] 5a069f64e0fe41698183a71e53434c59dfc5375f10d7862452c508ca56df50b5