[INFO] updating cached repository foriequal0/heap-size-of-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/foriequal0/heap-size-of-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/foriequal0/heap-size-of-test" "work/ex/beta-1.38-1/sources/1.37.0/gh/foriequal0/heap-size-of-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/foriequal0/heap-size-of-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/foriequal0/heap-size-of-test" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/foriequal0/heap-size-of-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/foriequal0/heap-size-of-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ddcc41b011c20f0c51ef7e178edf213339ebb9a
[INFO] sha for GitHub repo foriequal0/heap-size-of-test: 6ddcc41b011c20f0c51ef7e178edf213339ebb9a
[INFO] validating manifest of foriequal0/heap-size-of-test on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of foriequal0/heap-size-of-test on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing foriequal0/heap-size-of-test
[INFO] finished frobbing foriequal0/heap-size-of-test
[INFO] frobbed toml for foriequal0/heap-size-of-test written to work/ex/beta-1.38-1/sources/1.37.0/gh/foriequal0/heap-size-of-test/Cargo.toml
[INFO] started frobbing foriequal0/heap-size-of-test
[INFO] finished frobbing foriequal0/heap-size-of-test
[INFO] frobbed toml for foriequal0/heap-size-of-test written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/foriequal0/heap-size-of-test/Cargo.toml
[INFO] crate foriequal0/heap-size-of-test already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing foriequal0/heap-size-of-test against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/foriequal0/heap-size-of-test:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 719420221f4a54b1d431a103020e11bff84935a95c46e0a54d22d19a9b9088bf
[INFO] running `"docker" "start" "-a" "719420221f4a54b1d431a103020e11bff84935a95c46e0a54d22d19a9b9088bf"`
[INFO] [stderr]    Compiling heap-size-of v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:35
[INFO] [stderr]    |
[INFO] [stderr] 39 |         Box::new(A::new()) as Box<Buf>,
[INFO] [stderr]    |                                   ^^^ help: use `dyn`: `dyn Buf`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:40:35
[INFO] [stderr]    |
[INFO] [stderr] 40 |         Box::new(B::new()) as Box<Buf>,
[INFO] [stderr]    |                                   ^^^ help: use `dyn`: `dyn Buf`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `buf`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     buf: [u8; 8],
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `buf`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     buf: [u8; 15],
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "719420221f4a54b1d431a103020e11bff84935a95c46e0a54d22d19a9b9088bf"`
[INFO] running `"docker" "rm" "-f" "719420221f4a54b1d431a103020e11bff84935a95c46e0a54d22d19a9b9088bf"`
[INFO] [stdout] 719420221f4a54b1d431a103020e11bff84935a95c46e0a54d22d19a9b9088bf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/foriequal0/heap-size-of-test:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7e349968f8ca376861422e9bdc28d24e39d981eb65a03dd6815cddb26f03c2ea
[INFO] running `"docker" "start" "-a" "7e349968f8ca376861422e9bdc28d24e39d981eb65a03dd6815cddb26f03c2ea"`
[INFO] [stderr]    Compiling heap-size-of v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:35
[INFO] [stderr]    |
[INFO] [stderr] 39 |         Box::new(A::new()) as Box<Buf>,
[INFO] [stderr]    |                                   ^^^ help: use `dyn`: `dyn Buf`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:40:35
[INFO] [stderr]    |
[INFO] [stderr] 40 |         Box::new(B::new()) as Box<Buf>,
[INFO] [stderr]    |                                   ^^^ help: use `dyn`: `dyn Buf`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `buf`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     buf: [u8; 8],
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `buf`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     buf: [u8; 15],
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "7e349968f8ca376861422e9bdc28d24e39d981eb65a03dd6815cddb26f03c2ea"`
[INFO] running `"docker" "rm" "-f" "7e349968f8ca376861422e9bdc28d24e39d981eb65a03dd6815cddb26f03c2ea"`
[INFO] [stdout] 7e349968f8ca376861422e9bdc28d24e39d981eb65a03dd6815cddb26f03c2ea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/foriequal0/heap-size-of-test:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2046b0cee50147fea1a059d6aed2fb91d79fcd7e92a7af471af71dc0ed0135aa
[INFO] running `"docker" "start" "-a" "2046b0cee50147fea1a059d6aed2fb91d79fcd7e92a7af471af71dc0ed0135aa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/heap_size_of-3b0f4c78f37d6eee
[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" "2046b0cee50147fea1a059d6aed2fb91d79fcd7e92a7af471af71dc0ed0135aa"`
[INFO] running `"docker" "rm" "-f" "2046b0cee50147fea1a059d6aed2fb91d79fcd7e92a7af471af71dc0ed0135aa"`
[INFO] [stdout] 2046b0cee50147fea1a059d6aed2fb91d79fcd7e92a7af471af71dc0ed0135aa