[INFO] cloning repository https://github.com/amccreight/heapgraph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amccreight/heapgraph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famccreight%2Fheapgraph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famccreight%2Fheapgraph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dd17f6e89bb10a0a0189e22bfde3dc564b175c7
[INFO] checking amccreight/heapgraph against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famccreight%2Fheapgraph" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amccreight/heapgraph on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/amccreight/heapgraph already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cdab074463c37f7e5e02bbf3afdcc5a112309eb5845cf55fe4b069f898f1af3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6cdab074463c37f7e5e02bbf3afdcc5a112309eb5845cf55fe4b069f898f1af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cdab074463c37f7e5e02bbf3afdcc5a112309eb5845cf55fe4b069f898f1af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cdab074463c37f7e5e02bbf3afdcc5a112309eb5845cf55fe4b069f898f1af3", kill_on_drop: false }`
[INFO] [stdout] 6cdab074463c37f7e5e02bbf3afdcc5a112309eb5845cf55fe4b069f898f1af3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cea65fc35ccfed3575338e65a8557e419a2191464e8076e85f4239cd78a98b5f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cea65fc35ccfed3575338e65a8557e419a2191464e8076e85f4239cd78a98b5f", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.3.7
[INFO] [stderr]     Checking lazy_static v0.2.1
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking regex v0.1.77
[INFO] [stderr]     Checking heapgraph_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/cc_log.rs:98:11
[INFO] [stdout]    |
[INFO] [stdout] 98 |         48...57 => u64::from(c) - 48, // digits
[INFO] [stdout]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/cc_log.rs:99:11
[INFO] [stdout]    |
[INFO] [stdout] 99 |         97...102 => u64::from(c) - 97 + 10, // lower case a-f
[INFO] [stdout]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/cc_log.rs:120:11
[INFO] [stdout]     |
[INFO] [stdout] 120 |         48...57 => Some(i32::from(c) - 48), // digits
[INFO] [stdout]     |           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/cc_log.rs:98:11
[INFO] [stdout]    |
[INFO] [stdout] 98 |         48...57 => u64::from(c) - 48, // digits
[INFO] [stdout]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/cc_log.rs:99:11
[INFO] [stdout]    |
[INFO] [stdout] 99 |         97...102 => u64::from(c) - 97 + 10, // lower case a-f
[INFO] [stdout]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/cc_log.rs:120:11
[INFO] [stdout]     |
[INFO] [stdout] 120 |         48...57 => Some(i32::from(c) - 48), // digits
[INFO] [stdout]     |           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cc_log.rs:92:1
[INFO] [stdout]    |
[INFO] [stdout] 92 | / lazy_static! {
[INFO] [stdout] 93 | |     static ref WEAK_MAP_RE: Regex = Regex::new(r"^WeakMapEntry map=(?:0x)?([:xdigit:]+|\(nil\)) key=(?:0x)?([:xdigit:]+|\(nil\)) keyDeleg...
[INFO] [stdout] 94 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cc_log.rs:92:1
[INFO] [stdout]    |
[INFO] [stdout] 92 | / lazy_static! {
[INFO] [stdout] 93 | |     static ref WEAK_MAP_RE: Regex = Regex::new(r"^WeakMapEntry map=(?:0x)?([:xdigit:]+|\(nil\)) key=(?:0x)?([:xdigit:]+|\(nil\)) keyDeleg...
[INFO] [stdout] 94 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cc_log.rs:92:1
[INFO] [stdout]    |
[INFO] [stdout] 92 | / lazy_static! {
[INFO] [stdout] 93 | |     static ref WEAK_MAP_RE: Regex = Regex::new(r"^WeakMapEntry map=(?:0x)?([:xdigit:]+|\(nil\)) key=(?:0x)?([:xdigit:]+|\(nil\)) keyDeleg...
[INFO] [stdout] 94 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cc_log.rs:92:1
[INFO] [stdout]    |
[INFO] [stdout] 92 | / lazy_static! {
[INFO] [stdout] 93 | |     static ref WEAK_MAP_RE: Regex = Regex::new(r"^WeakMapEntry map=(?:0x)?([:xdigit:]+|\(nil\)) key=(?:0x)?([:xdigit:]+|\(nil\)) keyDeleg...
[INFO] [stdout] 94 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_known_edges`
[INFO] [stdout]   --> src/find_roots.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn print_known_edges(log: &CCLog, x: &Addr, known_edges: &Vec<Addr>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_known_edges`
[INFO] [stdout]   --> src/find_roots.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn print_known_edges(log: &CCLog, x: &Addr, known_edges: &Vec<Addr>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `Command { std: "docker" "inspect" "cea65fc35ccfed3575338e65a8557e419a2191464e8076e85f4239cd78a98b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea65fc35ccfed3575338e65a8557e419a2191464e8076e85f4239cd78a98b5f", kill_on_drop: false }`
[INFO] [stdout] cea65fc35ccfed3575338e65a8557e419a2191464e8076e85f4239cd78a98b5f