[INFO] fetching crate malloc_freq 0.1.2...
[INFO] checking malloc_freq-0.1.2 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate malloc_freq 0.1.2 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate malloc_freq 0.1.2 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate malloc_freq 0.1.2
[INFO] finished tweaking crates.io crate malloc_freq 0.1.2
[INFO] tweaked toml for crates.io crate malloc_freq 0.1.2 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate crates.io crate malloc_freq 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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 args v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf61a6b7ee19dde5ff4617b3c7f280a11abc357d6546436060d07d04fac6987d
[INFO] running `Command { std: "docker" "start" "-a" "bf61a6b7ee19dde5ff4617b3c7f280a11abc357d6546436060d07d04fac6987d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf61a6b7ee19dde5ff4617b3c7f280a11abc357d6546436060d07d04fac6987d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf61a6b7ee19dde5ff4617b3c7f280a11abc357d6546436060d07d04fac6987d", kill_on_drop: false }`
[INFO] [stdout] bf61a6b7ee19dde5ff4617b3c7f280a11abc357d6546436060d07d04fac6987d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d25307307ea0839e9fe5fc3a25b752d021740c6d80938c237bea691605391798
[INFO] running `Command { std: "docker" "start" "-a" "d25307307ea0839e9fe5fc3a25b752d021740c6d80938c237bea691605391798", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking args v2.2.0
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking malloc_freq v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.90s
[INFO] running `Command { std: "docker" "inspect" "d25307307ea0839e9fe5fc3a25b752d021740c6d80938c237bea691605391798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d25307307ea0839e9fe5fc3a25b752d021740c6d80938c237bea691605391798", kill_on_drop: false }`
[INFO] [stdout] d25307307ea0839e9fe5fc3a25b752d021740c6d80938c237bea691605391798