[INFO] fetching crate mimalloc 0.1.26...
[INFO] testing mimalloc-0.1.26 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mimalloc 0.1.26 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate mimalloc 0.1.26 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mimalloc 0.1.26
[INFO] finished tweaking crates.io crate mimalloc 0.1.26
[INFO] tweaked toml for crates.io crate mimalloc 0.1.26 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c946cd8ff20a4b7bb6e1cfa5fb8cf382058bd4dce109e5e605b61f36360da685
[INFO] running `Command { std: "docker" "start" "-a" "c946cd8ff20a4b7bb6e1cfa5fb8cf382058bd4dce109e5e605b61f36360da685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c946cd8ff20a4b7bb6e1cfa5fb8cf382058bd4dce109e5e605b61f36360da685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c946cd8ff20a4b7bb6e1cfa5fb8cf382058bd4dce109e5e605b61f36360da685", kill_on_drop: false }`
[INFO] [stdout] c946cd8ff20a4b7bb6e1cfa5fb8cf382058bd4dce109e5e605b61f36360da685
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66e852c7a6d1680b58a373b9438fc793ba5c76bd2fb665924538ce74bfb86db4
[INFO] running `Command { std: "docker" "start" "-a" "66e852c7a6d1680b58a373b9438fc793ba5c76bd2fb665924538ce74bfb86db4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.22
[INFO] [stderr]    Compiling mimalloc v0.1.26 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "66e852c7a6d1680b58a373b9438fc793ba5c76bd2fb665924538ce74bfb86db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66e852c7a6d1680b58a373b9438fc793ba5c76bd2fb665924538ce74bfb86db4", kill_on_drop: false }`
[INFO] [stdout] 66e852c7a6d1680b58a373b9438fc793ba5c76bd2fb665924538ce74bfb86db4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6e0ba388c13c680d61ad62e1d84d63f55570daf3378a6d9db978d88a9863db6
[INFO] running `Command { std: "docker" "start" "-a" "b6e0ba388c13c680d61ad62e1d84d63f55570daf3378a6d9db978d88a9863db6", kill_on_drop: false }`
[INFO] [stderr]    Compiling mimalloc v0.1.26 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "b6e0ba388c13c680d61ad62e1d84d63f55570daf3378a6d9db978d88a9863db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e0ba388c13c680d61ad62e1d84d63f55570daf3378a6d9db978d88a9863db6", kill_on_drop: false }`
[INFO] [stdout] b6e0ba388c13c680d61ad62e1d84d63f55570daf3378a6d9db978d88a9863db6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e827922325d08d395140e6867d611263b70582ebdc742f76f06de508a0474d99
[INFO] running `Command { std: "docker" "start" "-a" "e827922325d08d395140e6867d611263b70582ebdc742f76f06de508a0474d99", 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]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mimalloc-0aa8fcaaa4a20c44)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::it_frees_allocated_big_memory ... ok
[INFO] [stdout] test tests::it_frees_reallocated_memory ... ok
[INFO] [stdout] test tests::it_frees_zero_allocated_big_memory ... ok
[INFO] [stdout] test tests::it_frees_allocated_memory ... ok
[INFO] [stdout] test tests::it_frees_zero_allocated_memory ... ok
[INFO] [stdout] test tests::it_frees_reallocated_big_memory ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mimalloc
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 21) ... ignored
[INFO] [stdout] test src/lib.rs - (line 9) ... ignored
[INFO] [stdout] test src/lib.rs - MiMalloc (line 62) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e827922325d08d395140e6867d611263b70582ebdc742f76f06de508a0474d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e827922325d08d395140e6867d611263b70582ebdc742f76f06de508a0474d99", kill_on_drop: false }`
[INFO] [stdout] e827922325d08d395140e6867d611263b70582ebdc742f76f06de508a0474d99