[INFO] fetching crate malloc_freq 0.1.2...
[INFO] testing malloc_freq-0.1.2 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate malloc_freq 0.1.2 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate malloc_freq 0.1.2 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-102/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f9c5e272d1cd1761467deede1255eaad2648afb3df143b0c795f8a0bf749619
[INFO] running `Command { std: "docker" "start" "-a" "0f9c5e272d1cd1761467deede1255eaad2648afb3df143b0c795f8a0bf749619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f9c5e272d1cd1761467deede1255eaad2648afb3df143b0c795f8a0bf749619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f9c5e272d1cd1761467deede1255eaad2648afb3df143b0c795f8a0bf749619", kill_on_drop: false }`
[INFO] [stdout] 0f9c5e272d1cd1761467deede1255eaad2648afb3df143b0c795f8a0bf749619
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 696231c326b6bb7dfd1e1607b34677daa65c7e11e51da70302bad0af1a298a9f
[INFO] running `Command { std: "docker" "start" "-a" "696231c326b6bb7dfd1e1607b34677daa65c7e11e51da70302bad0af1a298a9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[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 log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling num-format v0.4.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling args v2.2.0
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling malloc_freq v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.34s
[INFO] running `Command { std: "docker" "inspect" "696231c326b6bb7dfd1e1607b34677daa65c7e11e51da70302bad0af1a298a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "696231c326b6bb7dfd1e1607b34677daa65c7e11e51da70302bad0af1a298a9f", kill_on_drop: false }`
[INFO] [stdout] 696231c326b6bb7dfd1e1607b34677daa65c7e11e51da70302bad0af1a298a9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48f2c5c95e1d2d0d1427d81fb051e2f6405cf146c3d8850944ca8a245afa046c
[INFO] running `Command { std: "docker" "start" "-a" "48f2c5c95e1d2d0d1427d81fb051e2f6405cf146c3d8850944ca8a245afa046c", kill_on_drop: false }`
[INFO] [stderr]    Compiling malloc_freq v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.37s
[INFO] running `Command { std: "docker" "inspect" "48f2c5c95e1d2d0d1427d81fb051e2f6405cf146c3d8850944ca8a245afa046c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f2c5c95e1d2d0d1427d81fb051e2f6405cf146c3d8850944ca8a245afa046c", kill_on_drop: false }`
[INFO] [stdout] 48f2c5c95e1d2d0d1427d81fb051e2f6405cf146c3d8850944ca8a245afa046c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76bdf13b9368879b2343674078f18e4c9d18ab831719bd3c62c705eabdd231e8
[INFO] running `Command { std: "docker" "start" "-a" "76bdf13b9368879b2343674078f18e4c9d18ab831719bd3c62c705eabdd231e8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/malloc_freq-adda88427ec05ad7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] failed to write malloc profile: No such file or directory (os error 2)
[INFO] [stdout] test tests::alloc_vectors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.17s
[INFO] [stdout] 
[INFO] [stderr] failed to write malloc profile: No such file or directory (os error 2)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mf_print-6c8e568af5b6ceb0)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests malloc_freq
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - ProfAllocator (line 464) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "76bdf13b9368879b2343674078f18e4c9d18ab831719bd3c62c705eabdd231e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76bdf13b9368879b2343674078f18e4c9d18ab831719bd3c62c705eabdd231e8", kill_on_drop: false }`
[INFO] [stdout] 76bdf13b9368879b2343674078f18e4c9d18ab831719bd3c62c705eabdd231e8