[INFO] crate hamt-rs 0.3.0 is already in cache
[INFO] extracting crate hamt-rs 0.3.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/hamt-rs/0.3.0
[INFO] extracting crate hamt-rs 0.3.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/hamt-rs/0.3.0
[INFO] validating manifest of hamt-rs-0.3.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hamt-rs-0.3.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hamt-rs-0.3.0
[INFO] finished frobbing hamt-rs-0.3.0
[INFO] frobbed toml for hamt-rs-0.3.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/hamt-rs/0.3.0/Cargo.toml
[INFO] started frobbing hamt-rs-0.3.0
[INFO] finished frobbing hamt-rs-0.3.0
[INFO] frobbed toml for hamt-rs-0.3.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/hamt-rs/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hamt-rs-0.3.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/hamt-rs/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 8f18e40a575599f08b5cf20c41a1cafed6c4c3b0a195438f39111544e9bf61a6
[INFO] running `"docker" "start" "-a" "8f18e40a575599f08b5cf20c41a1cafed6c4c3b0a195438f39111544e9bf61a6"`
[INFO] [stderr]    Compiling hamt-rs v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "8f18e40a575599f08b5cf20c41a1cafed6c4c3b0a195438f39111544e9bf61a6"`
[INFO] running `"docker" "rm" "-f" "8f18e40a575599f08b5cf20c41a1cafed6c4c3b0a195438f39111544e9bf61a6"`
[INFO] [stdout] 8f18e40a575599f08b5cf20c41a1cafed6c4c3b0a195438f39111544e9bf61a6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/hamt-rs/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 88069b8b53b02fb3ecf125008d3bb86d11bfe86a3bc2423ffe0ba72f8caf0800
[INFO] running `"docker" "start" "-a" "88069b8b53b02fb3ecf125008d3bb86d11bfe86a3bc2423ffe0ba72f8caf0800"`
[INFO] [stderr]    Compiling hamt-rs v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.27s
[INFO] running `"docker" "inspect" "88069b8b53b02fb3ecf125008d3bb86d11bfe86a3bc2423ffe0ba72f8caf0800"`
[INFO] running `"docker" "rm" "-f" "88069b8b53b02fb3ecf125008d3bb86d11bfe86a3bc2423ffe0ba72f8caf0800"`
[INFO] [stdout] 88069b8b53b02fb3ecf125008d3bb86d11bfe86a3bc2423ffe0ba72f8caf0800
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/hamt-rs/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 84fbf51a864e86193e169eaa94eeee52a79b7f3b7922a067c23fbf96c291e89d
[INFO] running `"docker" "start" "-a" "84fbf51a864e86193e169eaa94eeee52a79b7f3b7922a067c23fbf96c291e89d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hamt_rs-e4bf0e712bf0b85e
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test hamt::tests::test_insert_ascending_copy ... ok
[INFO] [stdout] test hamt::tests::test_get_index ... ok
[INFO] [stdout] test hamt::tests::test_insert_descending_copy ... ok
[INFO] [stdout] test hamt::tests::test_insert_copy ... ok
[INFO] [stdout] test hamt::tests::test_eq_empty_copy ... ok
[INFO] [stdout] test hamt::tests::test_default_copy ... ok
[INFO] [stdout] test hamt::tests::test_insert_ascending_share ... ok
[INFO] [stdout] test hamt::tests::test_insert_descending_share ... ok
[INFO] [stdout] test hamt::tests::test_insert_overwrite_share ... ok
[INFO] [stdout] test hamt::tests::test_insert_overwrite_copy ... ok
[INFO] [stdout] test hamt::tests::test_insert_share ... ok
[INFO] [stdout] test hamt::tests::test_remove_copy ... ok
[INFO] [stdout] test hamt::tests::test_remove_share ... ok
[INFO] [stdout] test hamt::tests::test_iterator_share ... ok
[INFO] [stdout] test hamt::tests::test_iterator_copy ... ok
[INFO] [stdout] test hamt::tests::test_eq_random_copy ... ok
[INFO] [stdout] test hamt::tests::stress_test_copy ... test hamt::tests::stress_test_copy has been running for over 60 seconds
[INFO] [stdout] test hamt::tests::stress_test_share ... test hamt::tests::stress_test_share has been running for over 60 seconds
[INFO] [stdout] test hamt::tests::stress_test_copy ... ok
[INFO] [stdout] test hamt::tests::stress_test_share ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hamt-rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "84fbf51a864e86193e169eaa94eeee52a79b7f3b7922a067c23fbf96c291e89d"`
[INFO] running `"docker" "rm" "-f" "84fbf51a864e86193e169eaa94eeee52a79b7f3b7922a067c23fbf96c291e89d"`
[INFO] [stdout] 84fbf51a864e86193e169eaa94eeee52a79b7f3b7922a067c23fbf96c291e89d