[INFO] cloning repository https://github.com/sweetcoco/jsc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sweetcoco/jsc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsweetcoco%2Fjsc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsweetcoco%2Fjsc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b894d004c27bbaa1aef344b14cbb583109f68a82
[INFO] testing sweetcoco/jsc against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsweetcoco%2Fjsc" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sweetcoco/jsc on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-13/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 790ba3b2b0e1bd2424a142b7d68ef0bc090304fea24106723a764c4f086921f8
[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" "790ba3b2b0e1bd2424a142b7d68ef0bc090304fea24106723a764c4f086921f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "790ba3b2b0e1bd2424a142b7d68ef0bc090304fea24106723a764c4f086921f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790ba3b2b0e1bd2424a142b7d68ef0bc090304fea24106723a764c4f086921f8", kill_on_drop: false }`
[INFO] [stdout] 790ba3b2b0e1bd2424a142b7d68ef0bc090304fea24106723a764c4f086921f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f05b06542420b8511c19bb426b99eb6527f4b2a52820f86ad9eb6395b39a44bc
[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" "f05b06542420b8511c19bb426b99eb6527f4b2a52820f86ad9eb6395b39a44bc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2.11s
[INFO] running `Command { std: "docker" "inspect" "f05b06542420b8511c19bb426b99eb6527f4b2a52820f86ad9eb6395b39a44bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f05b06542420b8511c19bb426b99eb6527f4b2a52820f86ad9eb6395b39a44bc", kill_on_drop: false }`
[INFO] [stdout] f05b06542420b8511c19bb426b99eb6527f4b2a52820f86ad9eb6395b39a44bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 005bebd8c87faf1407d3d1bc59c64c11117d3a196982c7780450abf1bded4df1
[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" "005bebd8c87faf1407d3d1bc59c64c11117d3a196982c7780450abf1bded4df1", 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 0.80s
[INFO] running `Command { std: "docker" "inspect" "005bebd8c87faf1407d3d1bc59c64c11117d3a196982c7780450abf1bded4df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "005bebd8c87faf1407d3d1bc59c64c11117d3a196982c7780450abf1bded4df1", kill_on_drop: false }`
[INFO] [stdout] 005bebd8c87faf1407d3d1bc59c64c11117d3a196982c7780450abf1bded4df1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ab84fcc939689917aa91ad2a9836ccc6b4815ed18d88b781dbd7543db70bc585
[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" "ab84fcc939689917aa91ad2a9836ccc6b4815ed18d88b781dbd7543db70bc585", 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: `jsc` (bin "jsc" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jsc-5e81e3c47f2b7f98)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ab84fcc939689917aa91ad2a9836ccc6b4815ed18d88b781dbd7543db70bc585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab84fcc939689917aa91ad2a9836ccc6b4815ed18d88b781dbd7543db70bc585", kill_on_drop: false }`
[INFO] [stdout] ab84fcc939689917aa91ad2a9836ccc6b4815ed18d88b781dbd7543db70bc585