[INFO] cloning repository https://github.com/mbyio/chatbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mbyio/chatbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbyio%2Fchatbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbyio%2Fchatbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 682e43ca6b7b51b21d00cbfc378c1345a06beb3e
[INFO] testing mbyio/chatbot against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbyio%2Fchatbot" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mbyio/chatbot on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mbyio/chatbot
[INFO] finished tweaking git repo https://github.com/mbyio/chatbot
[INFO] tweaked toml for git repo https://github.com/mbyio/chatbot written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mbyio/chatbot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v0.1.56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d42b49a1e2d0e6fb733994196f92503dd49cc1b6ebbe051aec0dcf601d62aec
[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" "0d42b49a1e2d0e6fb733994196f92503dd49cc1b6ebbe051aec0dcf601d62aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d42b49a1e2d0e6fb733994196f92503dd49cc1b6ebbe051aec0dcf601d62aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d42b49a1e2d0e6fb733994196f92503dd49cc1b6ebbe051aec0dcf601d62aec", kill_on_drop: false }`
[INFO] [stdout] 0d42b49a1e2d0e6fb733994196f92503dd49cc1b6ebbe051aec0dcf601d62aec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4aaf14bf732360fb00fc35d734b09ca5e6c653165d052ff6901831bfc44cbcd8
[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" "4aaf14bf732360fb00fc35d734b09ca5e6c653165d052ff6901831bfc44cbcd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.8
[INFO] [stderr]    Compiling regex-syntax v0.3.0
[INFO] [stderr]    Compiling lazy_static v0.1.15
[INFO] [stderr]    Compiling memchr v0.1.10
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling aho-corasick v0.5.1
[INFO] [stderr]    Compiling regex v0.1.56
[INFO] [stderr]    Compiling chatbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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:167:1
[INFO] [stdout]     |
[INFO] [stdout] 167 | / lazy_static! {
[INFO] [stdout] 168 | |     static ref TOKEN_REGEX: Regex = {
[INFO] [stdout] 169 | |         let mut s = String::new();
[INFO] [stdout] 170 | |         s.push_str("^(");
[INFO] [stdout] ...   |
[INFO] [stdout] 177 | |     };
[INFO] [stdout] 178 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `lazy_static` (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:167:1
[INFO] [stdout]     |
[INFO] [stdout] 167 | / lazy_static! {
[INFO] [stdout] 168 | |     static ref TOKEN_REGEX: Regex = {
[INFO] [stdout] 169 | |         let mut s = String::new();
[INFO] [stdout] 170 | |         s.push_str("^(");
[INFO] [stdout] ...   |
[INFO] [stdout] 177 | |     };
[INFO] [stdout] 178 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_name`
[INFO] [stdout]   --> src/main.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn with_name(s: &str) -> TokenKind {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token`
[INFO] [stdout]   --> src/main.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     token: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `num_tokens`
[INFO] [stdout]    --> src/main.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn num_tokens(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.11s
[INFO] running `Command { std: "docker" "inspect" "4aaf14bf732360fb00fc35d734b09ca5e6c653165d052ff6901831bfc44cbcd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aaf14bf732360fb00fc35d734b09ca5e6c653165d052ff6901831bfc44cbcd8", kill_on_drop: false }`
[INFO] [stdout] 4aaf14bf732360fb00fc35d734b09ca5e6c653165d052ff6901831bfc44cbcd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71399abe59a7bb4f070c622503abbbfab20a26c2869f321e4d8a0667d3257b74
[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" "71399abe59a7bb4f070c622503abbbfab20a26c2869f321e4d8a0667d3257b74", kill_on_drop: false }`
[INFO] [stderr]    Compiling chatbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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:167:1
[INFO] [stdout]     |
[INFO] [stdout] 167 | / lazy_static! {
[INFO] [stdout] 168 | |     static ref TOKEN_REGEX: Regex = {
[INFO] [stdout] 169 | |         let mut s = String::new();
[INFO] [stdout] 170 | |         s.push_str("^(");
[INFO] [stdout] ...   |
[INFO] [stdout] 177 | |     };
[INFO] [stdout] 178 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `lazy_static` (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:167:1
[INFO] [stdout]     |
[INFO] [stdout] 167 | / lazy_static! {
[INFO] [stdout] 168 | |     static ref TOKEN_REGEX: Regex = {
[INFO] [stdout] 169 | |         let mut s = String::new();
[INFO] [stdout] 170 | |         s.push_str("^(");
[INFO] [stdout] ...   |
[INFO] [stdout] 177 | |     };
[INFO] [stdout] 178 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_name`
[INFO] [stdout]   --> src/main.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn with_name(s: &str) -> TokenKind {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token`
[INFO] [stdout]   --> src/main.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     token: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `num_tokens`
[INFO] [stdout]    --> src/main.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn num_tokens(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "71399abe59a7bb4f070c622503abbbfab20a26c2869f321e4d8a0667d3257b74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71399abe59a7bb4f070c622503abbbfab20a26c2869f321e4d8a0667d3257b74", kill_on_drop: false }`
[INFO] [stdout] 71399abe59a7bb4f070c622503abbbfab20a26c2869f321e4d8a0667d3257b74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 307769367b1274202ee926348fe726a812f10cccc0c1ce847f666bbe27da0a8a
[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" "307769367b1274202ee926348fe726a812f10cccc0c1ce847f666bbe27da0a8a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/main.rs:167:1
[INFO] [stderr]     |
[INFO] [stderr] 167 | / lazy_static! {
[INFO] [stderr] 168 | |     static ref TOKEN_REGEX: Regex = {
[INFO] [stderr] 169 | |         let mut s = String::new();
[INFO] [stderr] 170 | |         s.push_str("^(");
[INFO] [stderr] ...   |
[INFO] [stderr] 177 | |     };
[INFO] [stderr] 178 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/main.rs:167:1
[INFO] [stderr]     |
[INFO] [stderr] 167 | / lazy_static! {
[INFO] [stderr] 168 | |     static ref TOKEN_REGEX: Regex = {
[INFO] [stderr] 169 | |         let mut s = String::new();
[INFO] [stderr] 170 | |         s.push_str("^(");
[INFO] [stderr] ...   |
[INFO] [stderr] 177 | |     };
[INFO] [stderr] 178 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `with_name`
[INFO] [stderr]   --> src/main.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn with_name(s: &str) -> TokenKind {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `token`
[INFO] [stderr]   --> src/main.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     token: Token,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `num_tokens`
[INFO] [stderr]    --> src/main.rs:138:8
[INFO] [stderr]     |
[INFO] [stderr] 138 |     fn num_tokens(&self) -> usize {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chatbot-25ba5dfedff664ee)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "307769367b1274202ee926348fe726a812f10cccc0c1ce847f666bbe27da0a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "307769367b1274202ee926348fe726a812f10cccc0c1ce847f666bbe27da0a8a", kill_on_drop: false }`
[INFO] [stdout] 307769367b1274202ee926348fe726a812f10cccc0c1ce847f666bbe27da0a8a