[INFO] updating cached repository https://github.com/Yuhanun/y-lang
[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] 5b626cdac5239bec6fd920327ad31bd04cc2bab7
[INFO] testing Yuhanun/y-lang 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%2FYuhanun%2Fy-lang" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yuhanun/y-lang 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/Yuhanun/y-lang
[INFO] finished tweaking git repo https://github.com/Yuhanun/y-lang
[INFO] tweaked toml for git repo https://github.com/Yuhanun/y-lang written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Yuhanun/y-lang 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3db1ad32c6967abed7fd16bc50799f4e9ee7b69243be6342a443ea2ee82fe6b2
[INFO] running `Command { std: "docker" "start" "-a" "3db1ad32c6967abed7fd16bc50799f4e9ee7b69243be6342a443ea2ee82fe6b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3db1ad32c6967abed7fd16bc50799f4e9ee7b69243be6342a443ea2ee82fe6b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db1ad32c6967abed7fd16bc50799f4e9ee7b69243be6342a443ea2ee82fe6b2", kill_on_drop: false }`
[INFO] [stdout] 3db1ad32c6967abed7fd16bc50799f4e9ee7b69243be6342a443ea2ee82fe6b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f224026a1c431f81abb017fcf058fc2ff7b916ceda6a3e59cb881aebdd0b8a50
[INFO] running `Command { std: "docker" "start" "-a" "f224026a1c431f81abb017fcf058fc2ff7b916ceda6a3e59cb881aebdd0b8a50", kill_on_drop: false }`
[INFO] [stderr]    Compiling y_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `own_tokens`
[INFO] [stdout]  --> tokenizer/tokens.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     own_tokens: &'a [&'a str],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delimiters`
[INFO] [stdout]  --> tokenizer/tokens.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     delimiters: &'a [&'a str],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_token_end`
[INFO] [stdout]  --> tokenizer/tokens.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     last_token_end: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "f224026a1c431f81abb017fcf058fc2ff7b916ceda6a3e59cb881aebdd0b8a50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f224026a1c431f81abb017fcf058fc2ff7b916ceda6a3e59cb881aebdd0b8a50", kill_on_drop: false }`
[INFO] [stdout] f224026a1c431f81abb017fcf058fc2ff7b916ceda6a3e59cb881aebdd0b8a50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2ef52b4f0ab864bae52501078e6e95e826cff6b707ea46ffcdd12b29c1c8ad6e
[INFO] running `Command { std: "docker" "start" "-a" "2ef52b4f0ab864bae52501078e6e95e826cff6b707ea46ffcdd12b29c1c8ad6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling y_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `own_tokens`
[INFO] [stdout]  --> tokenizer/tokens.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     own_tokens: &'a [&'a str],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delimiters`
[INFO] [stdout]  --> tokenizer/tokens.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     delimiters: &'a [&'a str],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_token_end`
[INFO] [stdout]  --> tokenizer/tokens.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     last_token_end: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `own_tokens`
[INFO] [stdout]  --> tokenizer/tokens.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     own_tokens: &'a [&'a str],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delimiters`
[INFO] [stdout]  --> tokenizer/tokens.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     delimiters: &'a [&'a str],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_token_end`
[INFO] [stdout]  --> tokenizer/tokens.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     last_token_end: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "2ef52b4f0ab864bae52501078e6e95e826cff6b707ea46ffcdd12b29c1c8ad6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef52b4f0ab864bae52501078e6e95e826cff6b707ea46ffcdd12b29c1c8ad6e", kill_on_drop: false }`
[INFO] [stdout] 2ef52b4f0ab864bae52501078e6e95e826cff6b707ea46ffcdd12b29c1c8ad6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91ceac4d25bd85e7ad9bd557a0bdb93375943d5361b3be77ff8b64df94d08d61
[INFO] running `Command { std: "docker" "start" "-a" "91ceac4d25bd85e7ad9bd557a0bdb93375943d5361b3be77ff8b64df94d08d61", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `own_tokens`
[INFO] [stderr]  --> tokenizer/tokens.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     own_tokens: &'a [&'a str],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `delimiters`
[INFO] [stderr]  --> tokenizer/tokens.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     delimiters: &'a [&'a str],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `last_token_end`
[INFO] [stderr]  --> tokenizer/tokens.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     last_token_end: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `own_tokens`
[INFO] [stderr]  --> tokenizer/tokens.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     own_tokens: &'a [&'a str],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `delimiters`
[INFO] [stderr]  --> tokenizer/tokens.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     delimiters: &'a [&'a str],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `last_token_end`
[INFO] [stderr]  --> tokenizer/tokens.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     last_token_end: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tokenizer-7f1a852389ce3242
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/y_lang-0b3c55af86309d87
[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] [stderr]      Running /opt/rustwide/target/debug/deps/tokenizer_basic-843a0bec4501a625
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--test tokenizer_basic'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/tokenizer_basic-843a0bec4501a625` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "91ceac4d25bd85e7ad9bd557a0bdb93375943d5361b3be77ff8b64df94d08d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91ceac4d25bd85e7ad9bd557a0bdb93375943d5361b3be77ff8b64df94d08d61", kill_on_drop: false }`
[INFO] [stdout] 91ceac4d25bd85e7ad9bd557a0bdb93375943d5361b3be77ff8b64df94d08d61