[INFO] updating cached repository amccreight/heapgraph
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/amccreight/heapgraph
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/amccreight/heapgraph" "work/ex/beta-1.38-1/sources/1.37.0/gh/amccreight/heapgraph"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/amccreight/heapgraph'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/amccreight/heapgraph" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amccreight/heapgraph"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amccreight/heapgraph'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1dd17f6e89bb10a0a0189e22bfde3dc564b175c7
[INFO] sha for GitHub repo amccreight/heapgraph: 1dd17f6e89bb10a0a0189e22bfde3dc564b175c7
[INFO] validating manifest of amccreight/heapgraph 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 amccreight/heapgraph 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 amccreight/heapgraph
[INFO] finished frobbing amccreight/heapgraph
[INFO] frobbed toml for amccreight/heapgraph written to work/ex/beta-1.38-1/sources/1.37.0/gh/amccreight/heapgraph/Cargo.toml
[INFO] started frobbing amccreight/heapgraph
[INFO] finished frobbing amccreight/heapgraph
[INFO] frobbed toml for amccreight/heapgraph written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amccreight/heapgraph/Cargo.toml
[INFO] crate amccreight/heapgraph 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing amccreight/heapgraph against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/amccreight/heapgraph:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 877fe1b959ace5223cb56e4aa9086107f3c0afc8adb1fb339c9cd6b4224b2e7b
[INFO] running `"docker" "start" "-a" "877fe1b959ace5223cb56e4aa9086107f3c0afc8adb1fb339c9cd6b4224b2e7b"`
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling regex-syntax v0.3.7
[INFO] [stderr]    Compiling fnv v1.0.5
[INFO] [stderr]    Compiling lazy_static v0.2.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.77
[INFO] [stderr]    Compiling heapgraph_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cc_log.rs:98:11
[INFO] [stderr]    |
[INFO] [stderr] 98 |         48...57 => u64::from(c) - 48, // digits
[INFO] [stderr]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cc_log.rs:99:11
[INFO] [stderr]    |
[INFO] [stderr] 99 |         97...102 => u64::from(c) - 97 + 10, // lower case a-f
[INFO] [stderr]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/cc_log.rs:120:11
[INFO] [stderr]     |
[INFO] [stderr] 120 |         48...57 => Some(i32::from(c) - 48), // digits
[INFO] [stderr]     |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_known_edges`
[INFO] [stderr]   --> src/find_roots.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn print_known_edges(log: &CCLog, x: &Addr, known_edges: &Vec<Addr>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.61s
[INFO] running `"docker" "inspect" "877fe1b959ace5223cb56e4aa9086107f3c0afc8adb1fb339c9cd6b4224b2e7b"`
[INFO] running `"docker" "rm" "-f" "877fe1b959ace5223cb56e4aa9086107f3c0afc8adb1fb339c9cd6b4224b2e7b"`
[INFO] [stdout] 877fe1b959ace5223cb56e4aa9086107f3c0afc8adb1fb339c9cd6b4224b2e7b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/amccreight/heapgraph:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0550d1131c7dd7aeadcb592b94ccd3c2ba3e01300c02eb676dcd833896862196
[INFO] running `"docker" "start" "-a" "0550d1131c7dd7aeadcb592b94ccd3c2ba3e01300c02eb676dcd833896862196"`
[INFO] [stderr]    Compiling heapgraph_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cc_log.rs:98:11
[INFO] [stderr]    |
[INFO] [stderr] 98 |         48...57 => u64::from(c) - 48, // digits
[INFO] [stderr]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cc_log.rs:99:11
[INFO] [stderr]    |
[INFO] [stderr] 99 |         97...102 => u64::from(c) - 97 + 10, // lower case a-f
[INFO] [stderr]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/cc_log.rs:120:11
[INFO] [stderr]     |
[INFO] [stderr] 120 |         48...57 => Some(i32::from(c) - 48), // digits
[INFO] [stderr]     |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_known_edges`
[INFO] [stderr]   --> src/find_roots.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn print_known_edges(log: &CCLog, x: &Addr, known_edges: &Vec<Addr>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "0550d1131c7dd7aeadcb592b94ccd3c2ba3e01300c02eb676dcd833896862196"`
[INFO] running `"docker" "rm" "-f" "0550d1131c7dd7aeadcb592b94ccd3c2ba3e01300c02eb676dcd833896862196"`
[INFO] [stdout] 0550d1131c7dd7aeadcb592b94ccd3c2ba3e01300c02eb676dcd833896862196
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/amccreight/heapgraph:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 610a9d46e057775b0c3ad9acbb578ad9dbb793e9a38af73ebd987bd0379cc8eb
[INFO] running `"docker" "start" "-a" "610a9d46e057775b0c3ad9acbb578ad9dbb793e9a38af73ebd987bd0379cc8eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/heapgraph_rust-0cbf6e75b9a17ff2
[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" "610a9d46e057775b0c3ad9acbb578ad9dbb793e9a38af73ebd987bd0379cc8eb"`
[INFO] running `"docker" "rm" "-f" "610a9d46e057775b0c3ad9acbb578ad9dbb793e9a38af73ebd987bd0379cc8eb"`
[INFO] [stdout] 610a9d46e057775b0c3ad9acbb578ad9dbb793e9a38af73ebd987bd0379cc8eb