[INFO] updating cached repository https://github.com/amccreight/heapgraph
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1dd17f6e89bb10a0a0189e22bfde3dc564b175c7
[INFO] checking amccreight/heapgraph against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Famccreight%2Fheapgraph" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amccreight/heapgraph on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/amccreight/heapgraph
[INFO] finished tweaking git repo https://github.com/amccreight/heapgraph
[INFO] tweaked toml for git repo https://github.com/amccreight/heapgraph written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/amccreight/heapgraph already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7e634f3d5203cf8aeb592a572e967e74bc83864450d77510e4551c1db0c82f33
[INFO] running `"docker" "start" "-a" "7e634f3d5203cf8aeb592a572e967e74bc83864450d77510e4551c1db0c82f33"`
[INFO] [stderr]     Checking heapgraph_rust v0.1.0 (/opt/rustwide/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: 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: `...` 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]     Finished dev [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `"docker" "inspect" "7e634f3d5203cf8aeb592a572e967e74bc83864450d77510e4551c1db0c82f33"`
[INFO] running `"docker" "rm" "-f" "7e634f3d5203cf8aeb592a572e967e74bc83864450d77510e4551c1db0c82f33"`
[INFO] [stdout] 7e634f3d5203cf8aeb592a572e967e74bc83864450d77510e4551c1db0c82f33