[INFO] crate orc 0.0.1 is already in cache
[INFO] extracting crate orc 0.0.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/orc/0.0.1
[INFO] extracting crate orc 0.0.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/orc/0.0.1
[INFO] validating manifest of orc-0.0.1 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 orc-0.0.1 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 orc-0.0.1
[INFO] finished frobbing orc-0.0.1
[INFO] frobbed toml for orc-0.0.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/orc/0.0.1/Cargo.toml
[INFO] started frobbing orc-0.0.1
[INFO] finished frobbing orc-0.0.1
[INFO] frobbed toml for orc-0.0.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/orc/0.0.1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing orc-0.0.1 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/orc/0.0.1:/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] 23866480919af5a1e4d0afd8ec9379bc5f8b5c813207dde31b1dbdc0404f7880
[INFO] running `"docker" "start" "-a" "23866480919af5a1e4d0afd8ec9379bc5f8b5c813207dde31b1dbdc0404f7880"`
[INFO] [stderr]    Compiling orc v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `position` is never read
[INFO] [stderr]    --> src/lib.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 position = 0;
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "23866480919af5a1e4d0afd8ec9379bc5f8b5c813207dde31b1dbdc0404f7880"`
[INFO] running `"docker" "rm" "-f" "23866480919af5a1e4d0afd8ec9379bc5f8b5c813207dde31b1dbdc0404f7880"`
[INFO] [stdout] 23866480919af5a1e4d0afd8ec9379bc5f8b5c813207dde31b1dbdc0404f7880
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/orc/0.0.1:/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] 52b2fab0d5d881f6b96d5175c55977f3c51aaf5fec622c4396fdcb2dba55bc95
[INFO] running `"docker" "start" "-a" "52b2fab0d5d881f6b96d5175c55977f3c51aaf5fec622c4396fdcb2dba55bc95"`
[INFO] [stderr]    Compiling orc v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `position` is never read
[INFO] [stderr]    --> src/lib.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 position = 0;
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "52b2fab0d5d881f6b96d5175c55977f3c51aaf5fec622c4396fdcb2dba55bc95"`
[INFO] running `"docker" "rm" "-f" "52b2fab0d5d881f6b96d5175c55977f3c51aaf5fec622c4396fdcb2dba55bc95"`
[INFO] [stdout] 52b2fab0d5d881f6b96d5175c55977f3c51aaf5fec622c4396fdcb2dba55bc95
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/orc/0.0.1:/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] a167cfbb7424b641cb11cfaf0fe57bbd85d4f2a35b54e2385d542faf9335eb9f
[INFO] running `"docker" "start" "-a" "a167cfbb7424b641cb11cfaf0fe57bbd85d4f2a35b54e2385d542faf9335eb9f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/orc-2dccb5abd3575c47
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_two_two_the ... ok
[INFO] [stdout] test test_drop::test_heap_freed ... ok
[INFO] [stdout] test test_drop::test_drop ... ok
[INFO] [stdout] test test_concurrency::test_concurrency ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests orc
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - OrcHeap<T>::with_capacity (line 105) ... ok
[INFO] [stdout] test src/lib.rs - OrcHeap<T>::new (line 94) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a167cfbb7424b641cb11cfaf0fe57bbd85d4f2a35b54e2385d542faf9335eb9f"`
[INFO] running `"docker" "rm" "-f" "a167cfbb7424b641cb11cfaf0fe57bbd85d4f2a35b54e2385d542faf9335eb9f"`
[INFO] [stdout] a167cfbb7424b641cb11cfaf0fe57bbd85d4f2a35b54e2385d542faf9335eb9f