[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/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/amccreight/heapgraph"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/amccreight/heapgraph'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/amccreight/heapgraph" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/amccreight/heapgraph"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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 master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of amccreight/heapgraph on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "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/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking amccreight/heapgraph against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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=forbid" "-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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 72b770a9b318d9504c6f07e911e3f0c6460e66164e6d8c352ad834a5f683f5e4
[INFO] running `"docker" "start" "-a" "72b770a9b318d9504c6f07e911e3f0c6460e66164e6d8c352ad834a5f683f5e4"`
[INFO] [stderr]     Checking regex-syntax v0.3.7
[INFO] [stderr]     Checking regex v0.1.77
[INFO] [stderr]     Checking 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: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/cc_log.rs:92:1
[INFO] [stderr]    |
[INFO] [stderr] 92 | / lazy_static! {
[INFO] [stderr] 93 | |     static ref WEAK_MAP_RE: Regex = Regex::new(r"^WeakMapEntry map=(?:0x)?([:xdigit:]+|\(nil\)) key=(?:0x)?([:xdigit:]+|\(nil\)) keyDelegate=(?:0x)?([:xdigit:]+|\(nil\)) value=(?:0x)?([:xdigit:]+)\r?").unwrap();
[INFO] [stderr] 94 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/cc_log.rs:92:1
[INFO] [stderr]    |
[INFO] [stderr] 92 | / lazy_static! {
[INFO] [stderr] 93 | |     static ref WEAK_MAP_RE: Regex = Regex::new(r"^WeakMapEntry map=(?:0x)?([:xdigit:]+|\(nil\)) key=(?:0x)?([:xdigit:]+|\(nil\)) keyDelegate=(?:0x)?([:xdigit:]+|\(nil\)) value=(?:0x)?([:xdigit:]+)\r?").unwrap();
[INFO] [stderr] 94 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[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: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/cc_log.rs:92:1
[INFO] [stderr]    |
[INFO] [stderr] 92 | / lazy_static! {
[INFO] [stderr] 93 | |     static ref WEAK_MAP_RE: Regex = Regex::new(r"^WeakMapEntry map=(?:0x)?([:xdigit:]+|\(nil\)) key=(?:0x)?([:xdigit:]+|\(nil\)) keyDelegate=(?:0x)?([:xdigit:]+|\(nil\)) value=(?:0x)?([:xdigit:]+)\r?").unwrap();
[INFO] [stderr] 94 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/cc_log.rs:92:1
[INFO] [stderr]    |
[INFO] [stderr] 92 | / lazy_static! {
[INFO] [stderr] 93 | |     static ref WEAK_MAP_RE: Regex = Regex::new(r"^WeakMapEntry map=(?:0x)?([:xdigit:]+|\(nil\)) key=(?:0x)?([:xdigit:]+|\(nil\)) keyDelegate=(?:0x)?([:xdigit:]+|\(nil\)) value=(?:0x)?([:xdigit:]+)\r?").unwrap();
[INFO] [stderr] 94 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[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] 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 5.35s
[INFO] running `"docker" "inspect" "72b770a9b318d9504c6f07e911e3f0c6460e66164e6d8c352ad834a5f683f5e4"`
[INFO] running `"docker" "rm" "-f" "72b770a9b318d9504c6f07e911e3f0c6460e66164e6d8c352ad834a5f683f5e4"`
[INFO] [stdout] 72b770a9b318d9504c6f07e911e3f0c6460e66164e6d8c352ad834a5f683f5e4