[INFO] cloning repository https://github.com/it1shka/language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/it1shka/language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fit1shka%2Flanguage", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fit1shka%2Flanguage'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34bade7d9c3f51c543b14494c5e09237863a8db6
[INFO] testing it1shka/language against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fit1shka%2Flanguage" "/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/it1shka/language on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/it1shka/language
[INFO] finished tweaking git repo https://github.com/it1shka/language
[INFO] tweaked toml for git repo https://github.com/it1shka/language written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/it1shka/language already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 75db201f7dd6fb5b8eedebd8f441ca21ada5d92f79803b754bbf69e89c00aa4e
[INFO] running `Command { std: "docker" "start" "-a" "75db201f7dd6fb5b8eedebd8f441ca21ada5d92f79803b754bbf69e89c00aa4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75db201f7dd6fb5b8eedebd8f441ca21ada5d92f79803b754bbf69e89c00aa4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75db201f7dd6fb5b8eedebd8f441ca21ada5d92f79803b754bbf69e89c00aa4e", kill_on_drop: false }`
[INFO] [stdout] 75db201f7dd6fb5b8eedebd8f441ca21ada5d92f79803b754bbf69e89c00aa4e
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] b4be011d1516cf04a938d0a66f5055f3aa7ce31abd2845967ffd41bab8e6582a
[INFO] running `Command { std: "docker" "start" "-a" "b4be011d1516cf04a938d0a66f5055f3aa7ce31abd2845967ffd41bab8e6582a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/launcher/from_file.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Mem` in public interface (error E0446)
[INFO] [stdout]   --> src/runner/storage.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn scope(&mut self) -> &mut Mem {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_ident`
[INFO] [stdout]   --> src/lexer/token.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn is_ident(&self) -> bool {
[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: `is_int`
[INFO] [stdout]   --> src/lexer/token.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn is_int(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_float`
[INFO] [stdout]   --> src/lexer/token.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn is_float(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_str`
[INFO] [stdout]   --> src/lexer/token.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn is_str(&self) -> bool {
[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 6.17s
[INFO] running `Command { std: "docker" "inspect" "b4be011d1516cf04a938d0a66f5055f3aa7ce31abd2845967ffd41bab8e6582a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4be011d1516cf04a938d0a66f5055f3aa7ce31abd2845967ffd41bab8e6582a", kill_on_drop: false }`
[INFO] [stdout] b4be011d1516cf04a938d0a66f5055f3aa7ce31abd2845967ffd41bab8e6582a
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] 3a880a0011bfa4ccea8a6028d3be37370aa85f4cc09dbeddb84e34c7b4fe7a5e
[INFO] running `Command { std: "docker" "start" "-a" "3a880a0011bfa4ccea8a6028d3be37370aa85f4cc09dbeddb84e34c7b4fe7a5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/launcher/from_file.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Mem` in public interface (error E0446)
[INFO] [stdout]   --> src/runner/storage.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn scope(&mut self) -> &mut Mem {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_ident`
[INFO] [stdout]   --> src/lexer/token.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn is_ident(&self) -> bool {
[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: `is_int`
[INFO] [stdout]   --> src/lexer/token.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn is_int(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_float`
[INFO] [stdout]   --> src/lexer/token.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn is_float(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_str`
[INFO] [stdout]   --> src/lexer/token.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn is_str(&self) -> bool {
[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 1.34s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/language-165bcd8b14a93e75)
[INFO] running `Command { std: "docker" "inspect" "3a880a0011bfa4ccea8a6028d3be37370aa85f4cc09dbeddb84e34c7b4fe7a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a880a0011bfa4ccea8a6028d3be37370aa85f4cc09dbeddb84e34c7b4fe7a5e", kill_on_drop: false }`
[INFO] [stdout] 3a880a0011bfa4ccea8a6028d3be37370aa85f4cc09dbeddb84e34c7b4fe7a5e
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 04bd27771c6a1daf9cd770a8f59907f116e8c94ae6867b5723fa1623443c1ec0
[INFO] running `Command { std: "docker" "start" "-a" "04bd27771c6a1daf9cd770a8f59907f116e8c94ae6867b5723fa1623443c1ec0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/launcher/from_file.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: private type `Mem` in public interface (error E0446)
[INFO] [stderr]   --> src/runner/storage.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn scope(&mut self) -> &mut Mem {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_ident`
[INFO] [stderr]   --> src/lexer/token.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn is_ident(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_int`
[INFO] [stderr]   --> src/lexer/token.rs:65:12
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn is_int(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_float`
[INFO] [stderr]   --> src/lexer/token.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn is_float(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_str`
[INFO] [stderr]   --> src/lexer/token.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn is_str(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `language` (bin "language" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/language-165bcd8b14a93e75)
[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" "04bd27771c6a1daf9cd770a8f59907f116e8c94ae6867b5723fa1623443c1ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04bd27771c6a1daf9cd770a8f59907f116e8c94ae6867b5723fa1623443c1ec0", kill_on_drop: false }`
[INFO] [stdout] 04bd27771c6a1daf9cd770a8f59907f116e8c94ae6867b5723fa1623443c1ec0