[INFO] updating cached repository https://github.com/sweetcoco/jsc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b894d004c27bbaa1aef344b14cbb583109f68a82
[INFO] testing sweetcoco/jsc against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsweetcoco%2Fjsc" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sweetcoco/jsc on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sweetcoco/jsc
[INFO] finished tweaking git repo https://github.com/sweetcoco/jsc
[INFO] tweaked toml for git repo https://github.com/sweetcoco/jsc written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/sweetcoco/jsc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a53634fa8aa00a3b32a5d2d143532bc29d307b07a4ee979e81931f3eeba36a3
[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" "0a53634fa8aa00a3b32a5d2d143532bc29d307b07a4ee979e81931f3eeba36a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a53634fa8aa00a3b32a5d2d143532bc29d307b07a4ee979e81931f3eeba36a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a53634fa8aa00a3b32a5d2d143532bc29d307b07a4ee979e81931f3eeba36a3", kill_on_drop: false }`
[INFO] [stdout] 0a53634fa8aa00a3b32a5d2d143532bc29d307b07a4ee979e81931f3eeba36a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 03350f676225f1206be2729cd49008b41d0207d73d27e2d51a314348312d881b
[INFO] running `Command { std: "docker" "start" "-a" "03350f676225f1206be2729cd49008b41d0207d73d27e2d51a314348312d881b", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::parser_state_result::ParserStateResult`
[INFO] [stdout]  --> src/parsers/choice_parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::parser_state_result::ParserStateResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parsers::parser_state_result::ParserStateResult`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use parsers::parser_state_result::ParserStateResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string1`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let string1 = String::from("hello there!");
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parsers/sequence_of_parser.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(parsers: Vec<Parser>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_string_parser`
[INFO] [stdout]   --> src/parsers/parser.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new_string_parser(string: String) -> Parser {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_sequence_of_parser`
[INFO] [stdout]   --> src/parsers/parser.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn new_sequence_of_parser(parsers: Vec<Parser>) -> Parser {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `map`
[INFO] [stdout]   --> src/parsers/parser.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn map(self,  map_lambda: impl Fn(ParserStateResult) -> ParserStateResult + 'static) -> Parser {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `error_map`
[INFO] [stdout]   --> src/parsers/parser.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn error_map(self,  error_map_lambda: impl Fn(ParserStateResult, usize) -> String + 'static) -> Parser {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "03350f676225f1206be2729cd49008b41d0207d73d27e2d51a314348312d881b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03350f676225f1206be2729cd49008b41d0207d73d27e2d51a314348312d881b", kill_on_drop: false }`
[INFO] [stdout] 03350f676225f1206be2729cd49008b41d0207d73d27e2d51a314348312d881b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f7c14b7803bdb5c90fbf80b23808c8fe0701d8737114daad87458482dc7fd52
[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" "2f7c14b7803bdb5c90fbf80b23808c8fe0701d8737114daad87458482dc7fd52", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::parser_state_result::ParserStateResult`
[INFO] [stdout]  --> src/parsers/choice_parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::parser_state_result::ParserStateResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parsers::parser_state_result::ParserStateResult`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use parsers::parser_state_result::ParserStateResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string1`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let string1 = String::from("hello there!");
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parsers/sequence_of_parser.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(parsers: Vec<Parser>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_string_parser`
[INFO] [stdout]   --> src/parsers/parser.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new_string_parser(string: String) -> Parser {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_sequence_of_parser`
[INFO] [stdout]   --> src/parsers/parser.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn new_sequence_of_parser(parsers: Vec<Parser>) -> Parser {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `map`
[INFO] [stdout]   --> src/parsers/parser.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn map(self,  map_lambda: impl Fn(ParserStateResult) -> ParserStateResult + 'static) -> Parser {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `error_map`
[INFO] [stdout]   --> src/parsers/parser.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn error_map(self,  error_map_lambda: impl Fn(ParserStateResult, usize) -> String + 'static) -> Parser {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "2f7c14b7803bdb5c90fbf80b23808c8fe0701d8737114daad87458482dc7fd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f7c14b7803bdb5c90fbf80b23808c8fe0701d8737114daad87458482dc7fd52", kill_on_drop: false }`
[INFO] [stdout] 2f7c14b7803bdb5c90fbf80b23808c8fe0701d8737114daad87458482dc7fd52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e054580b166bc7191b020dbdc6167bc166607dc8915c123da94094163fcd0cbf
[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" "e054580b166bc7191b020dbdc6167bc166607dc8915c123da94094163fcd0cbf", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::parser_state_result::ParserStateResult`
[INFO] [stderr]  --> src/parsers/choice_parser.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use super::parser_state_result::ParserStateResult;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parsers::parser_state_result::ParserStateResult`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use parsers::parser_state_result::ParserStateResult;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `string1`
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let string1 = String::from("hello there!");
[INFO] [stderr]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string1`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/parsers/sequence_of_parser.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(parsers: Vec<Parser>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_string_parser`
[INFO] [stderr]   --> src/parsers/parser.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new_string_parser(string: String) -> Parser {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_sequence_of_parser`
[INFO] [stderr]   --> src/parsers/parser.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn new_sequence_of_parser(parsers: Vec<Parser>) -> Parser {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `map`
[INFO] [stderr]   --> src/parsers/parser.rs:65:12
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn map(self,  map_lambda: impl Fn(ParserStateResult) -> ParserStateResult + 'static) -> Parser {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `error_map`
[INFO] [stderr]   --> src/parsers/parser.rs:73:12
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn error_map(self,  error_map_lambda: impl Fn(ParserStateResult, usize) -> String + 'static) -> Parser {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jsc-cc6037d2a8cbc86a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e054580b166bc7191b020dbdc6167bc166607dc8915c123da94094163fcd0cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e054580b166bc7191b020dbdc6167bc166607dc8915c123da94094163fcd0cbf", kill_on_drop: false }`
[INFO] [stdout] e054580b166bc7191b020dbdc6167bc166607dc8915c123da94094163fcd0cbf