[INFO] cloning repository https://github.com/tomhosking/MarkovTrump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomhosking/MarkovTrump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomhosking%2FMarkovTrump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomhosking%2FMarkovTrump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 768c8f21f6edbc9a2ef3e0b1ab88a1041a2805f5
[INFO] checking tomhosking/MarkovTrump against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomhosking%2FMarkovTrump" "/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/tomhosking/MarkovTrump on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomhosking/MarkovTrump
[INFO] finished tweaking git repo https://github.com/tomhosking/MarkovTrump
[INFO] tweaked toml for git repo https://github.com/tomhosking/MarkovTrump written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tomhosking/MarkovTrump already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 114887d136d3f31e177d63c4899a657e676831acb9ba23a429ed3141be4833e8
[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" "114887d136d3f31e177d63c4899a657e676831acb9ba23a429ed3141be4833e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "114887d136d3f31e177d63c4899a657e676831acb9ba23a429ed3141be4833e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114887d136d3f31e177d63c4899a657e676831acb9ba23a429ed3141be4833e8", kill_on_drop: false }`
[INFO] [stdout] 114887d136d3f31e177d63c4899a657e676831acb9ba23a429ed3141be4833e8
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3eb20aa72fce9f7a5adf3cecffd59257924a9b5ac544a500df69f2215673656b
[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" "3eb20aa72fce9f7a5adf3cecffd59257924a9b5ac544a500df69f2215673656b", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         lazy_static! {
[INFO] [stdout] 41 | |             static ref RE_NONALPHA : regex::Regex = regex::Regex::new(r"[^A-Za-z\s@#_\-,!?.0-9]").unwrap();
[INFO] [stdout] 42 | |             static ref RE_URL : regex::Regex = regex::Regex::new(r"https?://[^\s]+").unwrap(); // This is very greedy!
[INFO] [stdout] 43 | |             static ref RE_TERMINATORS : regex::Regex = regex::Regex::new(r"([^A-Z])([!.?]+)(\s|$)").unwrap();
[INFO] [stdout] 44 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         lazy_static! {
[INFO] [stdout] 41 | |             static ref RE_NONALPHA : regex::Regex = regex::Regex::new(r"[^A-Za-z\s@#_\-,!?.0-9]").unwrap();
[INFO] [stdout] 42 | |             static ref RE_URL : regex::Regex = regex::Regex::new(r"https?://[^\s]+").unwrap(); // This is very greedy!
[INFO] [stdout] 43 | |             static ref RE_TERMINATORS : regex::Regex = regex::Regex::new(r"([^A-Z])([!.?]+)(\s|$)").unwrap();
[INFO] [stdout] 44 | |         }
[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/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         lazy_static! {
[INFO] [stdout] 41 | |             static ref RE_NONALPHA : regex::Regex = regex::Regex::new(r"[^A-Za-z\s@#_\-,!?.0-9]").unwrap();
[INFO] [stdout] 42 | |             static ref RE_URL : regex::Regex = regex::Regex::new(r"https?://[^\s]+").unwrap(); // This is very greedy!
[INFO] [stdout] 43 | |             static ref RE_TERMINATORS : regex::Regex = regex::Regex::new(r"([^A-Z])([!.?]+)(\s|$)").unwrap();
[INFO] [stdout] 44 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         lazy_static! {
[INFO] [stdout] 41 | |             static ref RE_NONALPHA : regex::Regex = regex::Regex::new(r"[^A-Za-z\s@#_\-,!?.0-9]").unwrap();
[INFO] [stdout] 42 | |             static ref RE_URL : regex::Regex = regex::Regex::new(r"https?://[^\s]+").unwrap(); // This is very greedy!
[INFO] [stdout] 43 | |             static ref RE_TERMINATORS : regex::Regex = regex::Regex::new(r"([^A-Z])([!.?]+)(\s|$)").unwrap();
[INFO] [stdout] 44 | |         }
[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/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         lazy_static! {
[INFO] [stdout] 41 | |             static ref RE_NONALPHA : regex::Regex = regex::Regex::new(r"[^A-Za-z\s@#_\-,!?.0-9]").unwrap();
[INFO] [stdout] 42 | |             static ref RE_URL : regex::Regex = regex::Regex::new(r"https?://[^\s]+").unwrap(); // This is very greedy!
[INFO] [stdout] 43 | |             static ref RE_TERMINATORS : regex::Regex = regex::Regex::new(r"([^A-Z])([!.?]+)(\s|$)").unwrap();
[INFO] [stdout] 44 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         lazy_static! {
[INFO] [stdout] 41 | |             static ref RE_NONALPHA : regex::Regex = regex::Regex::new(r"[^A-Za-z\s@#_\-,!?.0-9]").unwrap();
[INFO] [stdout] 42 | |             static ref RE_URL : regex::Regex = regex::Regex::new(r"https?://[^\s]+").unwrap(); // This is very greedy!
[INFO] [stdout] 43 | |             static ref RE_TERMINATORS : regex::Regex = regex::Regex::new(r"([^A-Z])([!.?]+)(\s|$)").unwrap();
[INFO] [stdout] 44 | |         }
[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/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         lazy_static! {
[INFO] [stdout] 41 | |             static ref RE_NONALPHA : regex::Regex = regex::Regex::new(r"[^A-Za-z\s@#_\-,!?.0-9]").unwrap();
[INFO] [stdout] 42 | |             static ref RE_URL : regex::Regex = regex::Regex::new(r"https?://[^\s]+").unwrap(); // This is very greedy!
[INFO] [stdout] 43 | |             static ref RE_TERMINATORS : regex::Regex = regex::Regex::new(r"([^A-Z])([!.?]+)(\s|$)").unwrap();
[INFO] [stdout] 44 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         lazy_static! {
[INFO] [stdout] 41 | |             static ref RE_NONALPHA : regex::Regex = regex::Regex::new(r"[^A-Za-z\s@#_\-,!?.0-9]").unwrap();
[INFO] [stdout] 42 | |             static ref RE_URL : regex::Regex = regex::Regex::new(r"https?://[^\s]+").unwrap(); // This is very greedy!
[INFO] [stdout] 43 | |             static ref RE_TERMINATORS : regex::Regex = regex::Regex::new(r"([^A-Z])([!.?]+)(\s|$)").unwrap();
[INFO] [stdout] 44 | |         }
[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/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         lazy_static! {
[INFO] [stdout] 41 | |             static ref RE_NONALPHA : regex::Regex = regex::Regex::new(r"[^A-Za-z\s@#_\-,!?.0-9]").unwrap();
[INFO] [stdout] 42 | |             static ref RE_URL : regex::Regex = regex::Regex::new(r"https?://[^\s]+").unwrap(); // This is very greedy!
[INFO] [stdout] 43 | |             static ref RE_TERMINATORS : regex::Regex = regex::Regex::new(r"([^A-Z])([!.?]+)(\s|$)").unwrap();
[INFO] [stdout] 44 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         lazy_static! {
[INFO] [stdout] 41 | |             static ref RE_NONALPHA : regex::Regex = regex::Regex::new(r"[^A-Za-z\s@#_\-,!?.0-9]").unwrap();
[INFO] [stdout] 42 | |             static ref RE_URL : regex::Regex = regex::Regex::new(r"https?://[^\s]+").unwrap(); // This is very greedy!
[INFO] [stdout] 43 | |             static ref RE_TERMINATORS : regex::Regex = regex::Regex::new(r"([^A-Z])([!.?]+)(\s|$)").unwrap();
[INFO] [stdout] 44 | |         }
[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/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         lazy_static! {
[INFO] [stdout] 41 | |             static ref RE_NONALPHA : regex::Regex = regex::Regex::new(r"[^A-Za-z\s@#_\-,!?.0-9]").unwrap();
[INFO] [stdout] 42 | |             static ref RE_URL : regex::Regex = regex::Regex::new(r"https?://[^\s]+").unwrap(); // This is very greedy!
[INFO] [stdout] 43 | |             static ref RE_TERMINATORS : regex::Regex = regex::Regex::new(r"([^A-Z])([!.?]+)(\s|$)").unwrap();
[INFO] [stdout] 44 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         lazy_static! {
[INFO] [stdout] 41 | |             static ref RE_NONALPHA : regex::Regex = regex::Regex::new(r"[^A-Za-z\s@#_\-,!?.0-9]").unwrap();
[INFO] [stdout] 42 | |             static ref RE_URL : regex::Regex = regex::Regex::new(r"https?://[^\s]+").unwrap(); // This is very greedy!
[INFO] [stdout] 43 | |             static ref RE_TERMINATORS : regex::Regex = regex::Regex::new(r"([^A-Z])([!.?]+)(\s|$)").unwrap();
[INFO] [stdout] 44 | |         }
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.14s
[INFO] running `Command { std: "docker" "inspect" "3eb20aa72fce9f7a5adf3cecffd59257924a9b5ac544a500df69f2215673656b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eb20aa72fce9f7a5adf3cecffd59257924a9b5ac544a500df69f2215673656b", kill_on_drop: false }`
[INFO] [stdout] 3eb20aa72fce9f7a5adf3cecffd59257924a9b5ac544a500df69f2215673656b