[INFO] fetching crate lib_malloc_freq 0.1.2...
[INFO] building lib_malloc_freq-0.1.2 against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] extracting crate lib_malloc_freq 0.1.2 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate lib_malloc_freq 0.1.2 on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "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-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e81eadfecc6e9f1d20941aa54c31c99a306c6e117d84b193aaf6f5a81d222dc
[INFO] running `Command { std: "docker" "start" "-a" "1e81eadfecc6e9f1d20941aa54c31c99a306c6e117d84b193aaf6f5a81d222dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e81eadfecc6e9f1d20941aa54c31c99a306c6e117d84b193aaf6f5a81d222dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e81eadfecc6e9f1d20941aa54c31c99a306c6e117d84b193aaf6f5a81d222dc", kill_on_drop: false }`
[INFO] [stdout] 1e81eadfecc6e9f1d20941aa54c31c99a306c6e117d84b193aaf6f5a81d222dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47d9317b8cda002381be8a68e2c4a6975247b3f7d985b06ff74fcc6d61cc5e19
[INFO] running `Command { std: "docker" "start" "-a" "47d9317b8cda002381be8a68e2c4a6975247b3f7d985b06ff74fcc6d61cc5e19", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.3
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling num-format v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling args v2.2.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling object v0.28.4
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling serde_yaml v0.8.24
[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 26.53s
[INFO] running `Command { std: "docker" "inspect" "47d9317b8cda002381be8a68e2c4a6975247b3f7d985b06ff74fcc6d61cc5e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d9317b8cda002381be8a68e2c4a6975247b3f7d985b06ff74fcc6d61cc5e19", kill_on_drop: false }`
[INFO] [stdout] 47d9317b8cda002381be8a68e2c4a6975247b3f7d985b06ff74fcc6d61cc5e19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55ae37e00bb51bf4fc244847c9077549b0733c212d13c8410841237d7902273a
[INFO] running `Command { std: "docker" "start" "-a" "55ae37e00bb51bf4fc244847c9077549b0733c212d13c8410841237d7902273a", 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 0.64s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/malloc_freq-323818eb0ac458d4)
[INFO] running `Command { std: "docker" "inspect" "55ae37e00bb51bf4fc244847c9077549b0733c212d13c8410841237d7902273a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ae37e00bb51bf4fc244847c9077549b0733c212d13c8410841237d7902273a", kill_on_drop: false }`
[INFO] [stdout] 55ae37e00bb51bf4fc244847c9077549b0733c212d13c8410841237d7902273a