[INFO] fetching crate mimalloc 0.1.22...
[INFO] testing mimalloc-0.1.22 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mimalloc 0.1.22 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mimalloc 0.1.22 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mimalloc 0.1.22
[INFO] finished tweaking crates.io crate mimalloc 0.1.22
[INFO] tweaked toml for crates.io crate mimalloc 0.1.22 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30ddf642d585f0d3766035c8268af5bbabe4e5085623db261b6bec3ff089ccf9
[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" "30ddf642d585f0d3766035c8268af5bbabe4e5085623db261b6bec3ff089ccf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30ddf642d585f0d3766035c8268af5bbabe4e5085623db261b6bec3ff089ccf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ddf642d585f0d3766035c8268af5bbabe4e5085623db261b6bec3ff089ccf9", kill_on_drop: false }`
[INFO] [stdout] 30ddf642d585f0d3766035c8268af5bbabe4e5085623db261b6bec3ff089ccf9
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b6197396bea6ab8dbe3f0e8b3c39327a2257635282a12681c3b51d7746621e1
[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" "3b6197396bea6ab8dbe3f0e8b3c39327a2257635282a12681c3b51d7746621e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.18
[INFO] [stderr]    Compiling mimalloc v0.1.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "3b6197396bea6ab8dbe3f0e8b3c39327a2257635282a12681c3b51d7746621e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6197396bea6ab8dbe3f0e8b3c39327a2257635282a12681c3b51d7746621e1", kill_on_drop: false }`
[INFO] [stdout] 3b6197396bea6ab8dbe3f0e8b3c39327a2257635282a12681c3b51d7746621e1
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ceb2d31ca65db28ec94b412817a3d443bfe82c053b7f58e0938438ae025fac14
[INFO] running `Command { std: "docker" "start" "-a" "ceb2d31ca65db28ec94b412817a3d443bfe82c053b7f58e0938438ae025fac14", kill_on_drop: false }`
[INFO] [stderr]    Compiling mimalloc v0.1.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "ceb2d31ca65db28ec94b412817a3d443bfe82c053b7f58e0938438ae025fac14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceb2d31ca65db28ec94b412817a3d443bfe82c053b7f58e0938438ae025fac14", kill_on_drop: false }`
[INFO] [stdout] ceb2d31ca65db28ec94b412817a3d443bfe82c053b7f58e0938438ae025fac14
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fe6f346e378736862ea6dc5160cb293e651ff429ee031ac16080b8705e9d535a
[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" "fe6f346e378736862ea6dc5160cb293e651ff429ee031ac16080b8705e9d535a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mimalloc-2feb0a2a4b91bdcb
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::it_frees_allocated_big_memory ... ok
[INFO] [stdout] test tests::it_frees_allocated_memory ... ok
[INFO] [stdout] test tests::it_frees_reallocated_memory ... ok
[INFO] [stdout] test tests::it_frees_zero_allocated_memory ... ok
[INFO] [stdout] test tests::it_frees_zero_allocated_big_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
[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 56) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fe6f346e378736862ea6dc5160cb293e651ff429ee031ac16080b8705e9d535a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6f346e378736862ea6dc5160cb293e651ff429ee031ac16080b8705e9d535a", kill_on_drop: false }`
[INFO] [stdout] fe6f346e378736862ea6dc5160cb293e651ff429ee031ac16080b8705e9d535a